v3.40.0

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.editorconfig

@@ -8,6 +8,6 @@ charset = utf-8
 trim_trailing_whitespace = true
 indent_style = tab
 
-[*.{md,yml,yaml,json,toml,htm,html,js,css,svg,sh,bash,fish}]
+[*.{md,mdx,yml,yaml,json,toml,htm,html,js,css,svg,sh,bash,fish}]
 indent_style = space
 indent_size = 2

.gitattributes

@@ -1 +1,2 @@
 * text=auto
+*.mdx -linguist-detectable

.github/FUNDING.yml

@@ -1,3 +1,3 @@
-github: [andreynering, pd93]
+github: [andreynering, pd93, vmaerten]
 open_collective: task
 custom: https://taskfile.dev/donate/

.github/pull_request_template.md

@@ -1,5 +1,9 @@
-> Thanks for your pull request, we really appreciate contributions!
->
-> Please understand that it may take some time to be reviewed.
->
-> Also, make sure to follow the [Contribution Guide](https://taskfile.dev/contributing/).
+<!--
+
+Thanks for your pull request, we really appreciate contributions!
+
+Please understand that it may take some time to be reviewed.
+
+Also, make sure to follow the [Contribution Guide](https://taskfile.dev/contributing/).
+
+-->

.github/renovate.json

@@ -0,0 +1,48 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    "group:allNonMajor",
+    "schedule:monthly"
+  ],
+  "mode": "full",
+  "reviewers": ["team:developer"],
+  "packageRules": [
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "Github Action",
+      "labels": ["area: github actions", "area: dependencies"],
+      "matchPackageNames": [
+        "*"
+      ],
+      "matchUpdateTypes": [
+        "minor",
+        "patch"
+      ]
+    },
+    {
+      "matchManagers": ["npm", "nvm"],
+      "groupName": "Website",
+      "labels": ["lang: javascript", "area: dependencies"],
+      "matchPackageNames": [
+        "*"
+      ],
+      "matchUpdateTypes": [
+        "minor",
+        "patch"
+      ]
+    },
+    {
+      "matchManagers": ["gomod"],
+      "groupName": "golang",
+      "labels": ["lang: go", "area: dependencies"],
+      "matchPackageNames": [
+        "*"
+      ],
+      "matchUpdateTypes": [
+        "minor",
+        "patch"
+      ]
+    }
+  ]
+}

.github/workflows/issue-awaiting-response.yml

@@ -8,7 +8,7 @@ jobs:
   issue-awaiting-response:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |

.github/workflows/issue-closed.yml

@@ -8,7 +8,7 @@ jobs:
   issue-closed:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |

.github/workflows/issue-experiment.yml

@@ -9,7 +9,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} proposed', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -23,7 +23,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} draft', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -37,7 +37,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} candidate', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -51,7 +51,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} stable', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -65,7 +65,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} released', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -85,7 +85,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} abandoned', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |
@@ -105,7 +105,7 @@ jobs:
     if: github.event.label.name == format('experiment{0} superseded', ':')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |

.github/workflows/issue-needs-triage.yml

@@ -8,7 +8,7 @@ jobs:
   issue-needs-triage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v7
         with:
           github-token: ${{secrets.GH_PAT}}
           script: |

.github/workflows/lint.yml

@@ -13,19 +13,19 @@ jobs:
     name: Lint
     strategy:
       matrix:
-        go-version: [1.21.x, 1.22.x]
+        go-version: [1.22.x, 1.23.x]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v5
         with:
           go-version: ${{matrix.go-version}}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.55.2
+          version: v1.60.1
 
   lint-jsonschema:
     runs-on: ubuntu-latest
@@ -34,10 +34,25 @@ jobs:
         with:
           python-version: 3.12
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install check-jsonschema
         run: python -m pip install 'check-jsonschema==0.27.3'
 
       - name: check-jsonschema (metaschema)
         run: check-jsonschema --check-metaschema website/static/schema.json
+  check_doc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Get changed files in the docs folder
+        id: changed-files-specific
+        uses: tj-actions/changed-files@v45
+        with:
+          files: website/versioned_docs/**
+
+      - uses: actions/github-script@v7
+        if: steps.changed-files-specific.outputs.any_changed == 'true'
+        with:
+          script: |
+            core.setFailed('website/versioned_docs has changed. Instead you need to update the docs in the website/docs folder.')

.github/workflows/release.yml

@@ -10,15 +10,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
-          go-version: 1.21.x
+          go-version: 1.22.x
 
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v2
+        uses: goreleaser/goreleaser-action@v6
         with:
           version: latest
           args: release --clean

.github/workflows/test.yml

@@ -13,18 +13,18 @@ jobs:
     name: Test
     strategy:
       matrix:
-        go-version: [1.21.x, 1.22.x]
+        go-version: [1.22.x, 1.23.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{matrix.platform}}
     steps:
       - name: Set up Go ${{matrix.go-version}}
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
           go-version: ${{matrix.go-version}}
         id: go
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download Go modules
         run: go mod download

.github/workflows/upload-source-documents.yml

@@ -1,38 +0,0 @@
-name: Upload Source Documents
-
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  push_files_to_crowdin:
-    name: Push files to Crowdin
-    if: github.repository == 'go-task/task'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Verify changed files
-        id: changed-files
-        uses: tj-actions/changed-files@v41
-        with:
-          files: |
-            website/docs
-            website/blog
-            website/i18n/en
-            website/src/pages
-
-      - name: Install Task
-        uses: arduino/setup-task@v1
-        with:
-          version: 3.x
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Upload source documents
-        if: steps.changed-files.outputs.any_changed == 'true'
-        run: task crowdin:push
-        env:
-          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}
-        working-directory: ./website

.gitignore

@@ -24,8 +24,7 @@ dist/
 
 # editors
 .idea/
-.vscode/*
-!.vscode/*-sample.json
+.vscode/settings.json
 .fleet/
 
 # exuberant ctags

.goreleaser.yml

@@ -1,3 +1,6 @@
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+version: 2
+
 builds:
   - binary: task
     main: ./cmd/task
@@ -11,11 +14,16 @@ builds:
       - amd64
       - arm
       - arm64
+      - riscv64
     goarm:
       - '6'
     ignore:
       - goos: darwin
         goarch: '386'
+      - goos: darwin
+        goarch: riscv64
+      - goos: windows
+        goarch: riscv64
     env:
       - CGO_ENABLED=0
     mod_timestamp: '{{ .CommitTimestamp }}'
@@ -41,7 +49,7 @@ release:
   draft: true
 
 snapshot:
-  name_template: "{{.Tag}}"
+  version_template: "{{.Version}}"
 
 checksum:
   name_template: "task_checksums.txt"

.nvmrc

@@ -1 +1 @@
-18.12.1
+18.20.4

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "editorconfig.editorconfig",
+    "golang.go",
+    "task.vscode-task"
+  ]
+}

CHANGELOG.md

@@ -1,5 +1,117 @@
 # Changelog
 
+## v3.40.0 - 2024-11-05
+
+- Fixed output of some functions (e.g. `splitArgs`/`splitLines`) not working in
+  for loops (#1822, #1823 by @stawii).
+- Added a new `TASK_OFFLINE` environment variable to configure the `--offline`
+  flag and expose it as a special variable in the templating system (#1470,
+  #1716 by @vmaerten and @pd93).
+- Fixed a bug where multiple remote includes caused all prompts to display
+  without waiting for user input (#1832, #1833 by @vmaerten and @pd93).
+- When using the
+  "[Remote Taskfiles](https://taskfile.dev/experiments/remote-taskfiles/)".
+  experiment, you can now include Taskfiles from Git repositories (#1652 by
+  @vmaerten).
+- Improved the error message when a dotenv file cannot be parsed (#1842 by
+  @pbitty).
+- Fix issue with directory when using the remote experiment (#1757 by @pbitty).
+- Fixed an issue where a special variable was used in combination with a dotenv
+  file (#1232, #1810 by @vmaerten).
+- Refactor the way Task reads Taskfiles to improve readability (#1771 by
+  @pbitty).
+- Added a new option to ensure variable is within the list of values (#1827 by
+  @vmaerten).
+- Allow multiple prompts to be specified for a task (#1861, #1866 by @mfbmina).
+- Added new template function: `numCPU`, which returns the number of logical
+  CPUs usable (#1890, #1887 by @Amoghrd).
+- Fixed a bug where non-nil, empty dynamic variables are returned as an empty
+  interface (#1903, #1904 by @pd93).
+
+## v3.39.2 - 2024-09-19
+
+- Fix dynamic variables not working properly for a defer: statement (#1803,
+  #1818 by @vmaerten).
+
+## v3.39.1 - 2024-09-18
+
+- Added Renovate configuration to automatically create PRs to keep dependencies
+  up to date (#1783 by @vmaerten).
+- Fixed a bug where the help was displayed twice (#1805, #1806 by @vmaerten).
+- Fixed a bug where ZSH and PowerShell completions did not work when using the
+  recommended method. (#1813, #1809 by @vmaerten and @shirayu)
+- Fix variables not working properly for a `defer:` statement (#1803, #1814 by
+  @vmaerten and @andreynering).
+
+## v3.39.0 - 2024-09-07
+
+- Added
+  [Env Precedence Experiment](https://taskfile.dev/experiments/env-precedence)
+  (#1038, #1633 by @vmaerten).
+- Added a CI lint job to ensure that the docs are updated correctly (#1719 by
+  @vmaerten).
+- Updated minimum required Go version to 1.22 (#1758 by @pd93).
+- Expose a new `EXIT_CODE` special variable on `defer:` when a command finishes
+  with a non-zero exit code (#1484, #1762 by @dorimon-1 and @andreynering).
+- Expose a new `ALIAS` special variable, which will contain the alias used to
+  call the current task. Falls back to the task name. (#1764 by @DanStory).
+- Fixed `TASK_REMOTE_DIR` environment variable not working when the path was
+  absolute. (#1715 by @vmaerten).
+- Added an option to declare an included Taskfile as flattened (#1704 by
+  @vmaerten).
+- Added a new
+  [`--completion` flag](https://taskfile.dev/installation/#setup-completions) to
+  output completion scripts for various shells (#293, #1157 by @pd93).
+  - This is now the preferred way to install completions.
+  - The completion scripts in the `completion` directory
+    [are now deprecated](https://taskfile.dev/deprecations/completion-scripts/).
+- Added the ability to
+  [loop over a matrix of values](https://taskfile.dev/usage/#looping-over-a-matrix)
+  (#1766, #1767, #1784 by @pd93).
+- Fixed a bug in fish completion where aliases were not displayed (#1781, #1782
+  by @vmaerten).
+- Fixed panic when having a flattened included Taskfile that contains a
+  `default` task (#1777, #1778 by @vmaerten).
+- Optimized file existence checks for remote Taskfiles (#1713 by @vmaerten).
+
+## v3.38.0 - 2024-06-30
+
+- Added `TASK_EXE` special variable (#1616, #1624 by @pd93 and @andreynering).
+- Some YAML parsing errors will now show in a more user friendly way (#1619 by
+  @pd93).
+- Prefixed outputs will now be colorized by default (#1572 by
+  @AlexanderArvidsson)
+- [References](https://taskfile.dev/usage/#referencing-other-variables) are now
+  generally available (no experiments required) (#1654 by @pd93).
+- Templating functions can now be used in references (#1645, #1654 by @pd93).
+- Added a new
+  [templating reference page](https://taskfile.dev/reference/templating/) to the
+  documentation (#1614, #1653 by @pd93).
+- If using the
+  [Map Variables experiment (1)](https://taskfile.dev/experiments/map-variables/?proposal=1),
+  references are available by
+  [prefixing a string with a `#`](https://taskfile.dev/experiments/map-variables/?proposal=1#references)
+  (#1654 by @pd93).
+- If using the
+  [Map Variables experiment (2)](https://taskfile.dev/experiments/map-variables/?proposal=2),
+  the `yaml` and `json` keys are no longer available (#1654 by @pd93).
+- Added a new `TASK_REMOTE_DIR` environment variable to configure where cached
+  remote Taskfiles are stored (#1661 by @vmaerten).
+- Added a new `--clear-cache` flag to clear the cache of remote Taskfiles (#1639
+  by @vmaerten).
+- Improved the readability of cached remote Taskfile filenames (#1636 by
+  @vmaerten).
+- Starting releasing a binary for the `riscv64` architecture on Linux (#1699 by
+  @mengzhuo).
+- Added `CLI_SILENT` and `CLI_VERBOSE` variables (#1480, #1669 by @Vince-Smith).
+- Fixed a couple of bugs with the `prompt:` feature (#1657 by @pd93).
+- Fixed JSON Schema to disallow invalid properties (#1657 by @pd93).
+- Fixed version checks not working as intended (#872, #1663 by @vmaerten).
+- Fixed a bug where included tasks were run multiple times even if `run: once`
+  was set (#852, #1655 by @pd93).
+- Fixed some bugs related to column formatting in the terminal (#1350, #1637,
+  #1656 by @vmaerten).
+
 ## v3.37.2 - 2024-05-12
 
 - Fixed a bug where an empty Taskfile would cause a panic (#1648 by @pd93).
@@ -20,7 +132,7 @@
 - Refactored how Task reads, parses and merges Taskfiles using a DAG (#1563,
   #1607 by @pd93).
 - Fix a bug which stopped tasks from using `stdin` as input (#1593, #1623 by
-  @pd03).
+  @pd93).
 - Fix error when a file or directory in the project contained a special char
   like `&`, `(` or `)` (#1551, #1584 by @andreynering).
 - Added alias `q` for template function `shellQuote` (#1601, #1603 by @vergenzt)

Taskfile.yml

@@ -27,7 +27,7 @@ tasks:
       - go install -v ./cmd/task
 
   generate:
-    desc: Runs Go generate to create mocks
+    desc: Runs Mockery to create mocks
     aliases: [gen, g]
     deps: [install:mockery]
     sources:
@@ -57,6 +57,7 @@ tasks:
 
   clean:
     desc: Cleans temp files and folders
+    aliases: [clear]
     cmds:
       - rm -rf dist/
       - rm -rf tmp/
@@ -123,10 +124,53 @@ tasks:
     cmds:
       - go install github.com/goreleaser/goreleaser@latest
 
-  release:
+  release:*:
     desc: Prepare the project for a new release
+    summary: |
+      This task will do the following:
+
+      - Update the version and date in the CHANGELOG.md file
+      - Update the version in the package.json and package-lock.json files
+      - Copy the latest docs to the "current" version on the website
+      - Commit the changes
+      - Create a new tag
+      - Push the commit/tag to the repository
+      - Create a GitHub release
+
+      To use the task, simply run "task release:<version>" where "<version>" is is one of:
+
+      - "major" - Bumps the major number
+      - "minor" - Bumps the minor number
+      - "patch" - Bumps the patch number
+      - A semver compatible version number (e.g. "1.2.3")
+    vars:
+      VERSION:
+        sh: "go run ./cmd/release --version {{index .MATCH 0}}"
+      COMPLETE_MESSAGE: |
+        Creating release with GoReleaser: https://github.com/go-task/task/actions/workflows/release.yml
+
+        Please wait for the CI to finish and then do the following:
+
+        - Copy the changelog for v{{.VERSION}} to the GitHub release
+        - Publish the package to NPM with `task npm:publish`
+        - Update and push the snapcraft manifest in https://github.com/go-task/snap/blob/main/snap/snapcraft.yaml
+    preconditions:
+      - sh: test $(git rev-parse --abbrev-ref HEAD) = "main"
+        msg: "You must be on the main branch to release"
+      - sh: "[[ -z $(git diff --shortstat main) ]]"
+        msg: "You must have a clean working tree to release"
+    prompt: "Are you sure you want to release version {{.VERSION}}?"
     cmds:
-      - go run ./cmd/release {{.CLI_ARGS}}
+      - cmd: echo "Releasing v{{.VERSION}}"
+        silent: true
+      - "go run ./cmd/release {{.VERSION}}"
+      - "git add --all"
+      - "git commit -m v{{.VERSION}}"
+      - "git push"
+      - "git tag v{{.VERSION}}"
+      - "git push origin tag v{{.VERSION}}"
+      - cmd: printf "%s" '{{.COMPLETE_MESSAGE}}'
+        silent: true
 
   npm:publish:
     desc: Publish release to npm

cmd/release/main.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/otiai10/copy"
+	"github.com/spf13/pflag"
 )
 
 const (
@@ -25,6 +26,16 @@ var (
 	versionRegex          = regexp.MustCompile(`(?m)^  "version": "\d+\.\d+\.\d+",$`)
 )
 
+// Flags
+var (
+	versionFlag bool
+)
+
+func init() {
+	pflag.BoolVarP(&versionFlag, "version", "v", false, "resolved version number")
+	pflag.Parse()
+}
+
 func main() {
 	if err := release(); err != nil {
 		fmt.Println(err)
@@ -33,7 +44,7 @@ func main() {
 }
 
 func release() error {
-	if len(os.Args) != 2 {
+	if len(pflag.Args()) != 1 {
 		return errors.New("error: expected version number")
 	}
 
@@ -42,11 +53,14 @@ func release() error {
 		return err
 	}
 
-	if err := bumpVersion(version, os.Args[1]); err != nil {
+	if err := bumpVersion(version, pflag.Arg(0)); err != nil {
 		return err
 	}
 
-	fmt.Println(version)
+	if versionFlag {
+		fmt.Println(version)
+		return nil
+	}
 
 	if err := changelog(version); err != nil {
 		return err

cmd/task/task.go

@@ -17,6 +17,7 @@ import (
 	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/internal/sort"
 	ver "github.com/go-task/task/v3/internal/version"
+	"github.com/go-task/task/v3/taskfile"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
@@ -58,7 +59,7 @@ func run() error {
 	entrypoint := flags.Entrypoint
 
 	if flags.Version {
-		fmt.Printf("Task version: %s\n", ver.GetVersion())
+		fmt.Printf("Task version: %s\n", ver.GetVersionWithSum())
 		return nil
 	}
 
@@ -82,6 +83,15 @@ func run() error {
 		return nil
 	}
 
+	if flags.Completion != "" {
+		script, err := task.Completion(flags.Completion)
+		if err != nil {
+			return err
+		}
+		fmt.Println(script)
+		return nil
+	}
+
 	if flags.Global {
 		home, err := os.UserHomeDir()
 		if err != nil {
@@ -125,16 +135,15 @@ func run() error {
 		OutputStyle: flags.Output,
 		TaskSorter:  taskSorter,
 	}
-
 	listOptions := task.NewListOptions(flags.List, flags.ListAll, flags.ListJson, flags.NoStatus)
 	if err := listOptions.Validate(); err != nil {
 		return err
 	}
 
-	if err := e.Setup(); err != nil {
+	err := e.Setup()
+	if err != nil {
 		return err
 	}
-
 	if experiments.AnyVariables.Enabled {
 		logger.Warnf("The 'Any Variables' experiment flag is no longer required to use non-map variable types. If you wish to use map variables, please use 'TASK_X_MAP_VARIABLES' instead. See https://github.com/go-task/task/issues/1585\n")
 	}
@@ -145,6 +154,14 @@ func run() error {
 		return nil
 	}
 
+	if flags.ClearCache {
+		cache, err := taskfile.NewCache(e.TempDir.Remote)
+		if err != nil {
+			return err
+		}
+		return cache.Clear()
+	}
+
 	if (listOptions.ShouldListTasks()) && flags.Silent {
 		return e.ListTaskNames(flags.ListAll)
 	}
@@ -179,6 +196,9 @@ func run() error {
 
 	globals.Set("CLI_ARGS", ast.Var{Value: cliArgs})
 	globals.Set("CLI_FORCE", ast.Var{Value: flags.Force || flags.ForceAll})
+	globals.Set("CLI_SILENT", ast.Var{Value: flags.Silent})
+	globals.Set("CLI_VERBOSE", ast.Var{Value: flags.Verbose})
+	globals.Set("CLI_OFFLINE", ast.Var{Value: flags.Offline})
 	e.Taskfile.Vars.Merge(globals, nil)
 
 	if !flags.Watch {

completion.go

@@ -0,0 +1,34 @@
+package task
+
+import (
+	_ "embed"
+	"fmt"
+)
+
+//go:embed completion/bash/task.bash
+var completionBash string
+
+//go:embed completion/fish/task.fish
+var completionFish string
+
+//go:embed completion/ps/task.ps1
+var completionPowershell string
+
+//go:embed completion/zsh/_task
+var completionZsh string
+
+func Completion(completion string) (string, error) {
+	// Get the file extension for the selected shell
+	switch completion {
+	case "bash":
+		return completionBash, nil
+	case "fish":
+		return completionFish, nil
+	case "powershell":
+		return completionPowershell, nil
+	case "zsh":
+		return completionZsh, nil
+	default:
+		return "", fmt.Errorf("unknown shell: %s", completion)
+	}
+}

completion/fish/task.fish

@@ -10,7 +10,7 @@ function __task_get_tasks --description "Prints all available tasks with their d
   end
 
   # Grab names and descriptions (if any) of the tasks
-  set -l output (echo $rawOutput | sed -e '1d; s/\* \(.*\):\s*\(.*\)\s*(aliases.*/\1\t\2/' -e 's/\* \(.*\):\s*\(.*\)/\1\t\2/'| string split0)
+  set -l output (echo $rawOutput | sed -e '1d; s/\* \(.*\):\s*\(.*\)\s*(\(aliases.*\))/\1\t\2\t\3/' -e 's/\* \(.*\):\s*\(.*\)/\1\t\2/'| string split0)
   if test $output
     echo $output
   end

completion/zsh/_task

@@ -1,6 +1,5 @@
 #compdef task
-
-local context state state_descr line
+compdef _task task
 typeset -A opt_args
 
 _GO_TASK_COMPLETION_LIST_OPTION="${GO_TASK_COMPLETION_LIST_OPTION:---list-all}"
@@ -39,26 +38,33 @@ function __task_list() {
     _describe 'Task to run' scripts
 }
 
-_arguments \
-    '(-C --concurrency)'{-C,--concurrency}'[limit number of concurrent tasks]: ' \
-    '(-p --parallel)'{-p,--parallel}'[run command-line tasks in parallel]' \
-    '(-f --force)'{-f,--force}'[run even if task is up-to-date]' \
-    '(-c --color)'{-c,--color}'[colored output]' \
-    '(-d --dir)'{-d,--dir}'[dir to run in]:execution dir:_dirs' \
-    '(--dry)--dry[dry-run mode, compile and print tasks only]' \
-    '(-o --output)'{-o,--output}'[set output style]:style:(interleaved group prefixed)' \
-    '(--output-group-begin)--output-group-begin[message template before grouped output]:template text: ' \
-    '(--output-group-end)--output-group-end[message template after grouped output]:template text: ' \
-    '(-s --silent)'{-s,--silent}'[disable echoing]' \
-    '(--status)--status[exit non-zero if supplied tasks not up-to-date]' \
-    '(--summary)--summary[show summary\: field from tasks instead of running them]' \
-    '(-t --taskfile)'{-t,--taskfile}'[specify a different taskfile]:taskfile:_files' \
-    '(-v --verbose)'{-v,--verbose}'[verbose mode]' \
-    '(-w --watch)'{-w,--watch}'[watch-mode for given tasks, re-run when inputs change]' \
-    + '(operation)' \
-        {-l,--list}'[list describable tasks]' \
-        {-a,--list-all}'[list all tasks]' \
-        {-i,--init}'[create new Taskfile.yml]' \
-        '(-*)'{-h,--help}'[show help]' \
-        '(-*)--version[show version and exit]' \
-        '*: :__task_list'
+_task() {
+    _arguments \
+        '(-C --concurrency)'{-C,--concurrency}'[limit number of concurrent tasks]: ' \
+        '(-p --parallel)'{-p,--parallel}'[run command-line tasks in parallel]' \
+        '(-f --force)'{-f,--force}'[run even if task is up-to-date]' \
+        '(-c --color)'{-c,--color}'[colored output]' \
+        '(-d --dir)'{-d,--dir}'[dir to run in]:execution dir:_dirs' \
+        '(--dry)--dry[dry-run mode, compile and print tasks only]' \
+        '(-o --output)'{-o,--output}'[set output style]:style:(interleaved group prefixed)' \
+        '(--output-group-begin)--output-group-begin[message template before grouped output]:template text: ' \
+        '(--output-group-end)--output-group-end[message template after grouped output]:template text: ' \
+        '(-s --silent)'{-s,--silent}'[disable echoing]' \
+        '(--status)--status[exit non-zero if supplied tasks not up-to-date]' \
+        '(--summary)--summary[show summary\: field from tasks instead of running them]' \
+        '(-t --taskfile)'{-t,--taskfile}'[specify a different taskfile]:taskfile:_files' \
+        '(-v --verbose)'{-v,--verbose}'[verbose mode]' \
+        '(-w --watch)'{-w,--watch}'[watch-mode for given tasks, re-run when inputs change]' \
+        + '(operation)' \
+            {-l,--list}'[list describable tasks]' \
+            {-a,--list-all}'[list all tasks]' \
+            {-i,--init}'[create new Taskfile.yml]' \
+            '(-*)'{-h,--help}'[show help]' \
+            '(-*)--version[show version and exit]' \
+            '*: :__task_list'
+}
+
+# don't run the completion function when being source-ed or eval-ed
+if [ "$funcstack[1]" = "_task" ]; then
+    _task "$@"
+fi

errors/error_taskfile_decode.go

@@ -0,0 +1,179 @@
+package errors
+
+import (
+	"bytes"
+	"embed"
+	"errors"
+	"fmt"
+	"regexp"
+	"strings"
+
+	"github.com/alecthomas/chroma/v2"
+	"github.com/alecthomas/chroma/v2/quick"
+	"github.com/alecthomas/chroma/v2/styles"
+	"github.com/fatih/color"
+	"gopkg.in/yaml.v3"
+)
+
+//go:embed themes/*.xml
+var embedded embed.FS
+
+var typeErrorRegex = regexp.MustCompile(`line \d+: (.*)`)
+
+func init() {
+	r, err := embedded.Open("themes/task.xml")
+	if err != nil {
+		panic(err)
+	}
+	style, err := chroma.NewXMLStyle(r)
+	if err != nil {
+		panic(err)
+	}
+	styles.Register(style)
+}
+
+type (
+	TaskfileDecodeError struct {
+		Message  string
+		Location string
+		Line     int
+		Column   int
+		Tag      string
+		Snippet  TaskfileSnippet
+		Err      error
+	}
+	TaskfileSnippet struct {
+		Lines     []string
+		StartLine int
+		EndLine   int
+		Padding   int
+	}
+)
+
+func NewTaskfileDecodeError(err error, node *yaml.Node) *TaskfileDecodeError {
+	// If the error is already a DecodeError, return it
+	taskfileInvalidErr := &TaskfileDecodeError{}
+	if errors.As(err, &taskfileInvalidErr) {
+		return taskfileInvalidErr
+	}
+	return &TaskfileDecodeError{
+		Line:   node.Line,
+		Column: node.Column,
+		Tag:    node.ShortTag(),
+		Err:    err,
+	}
+}
+
+func (err *TaskfileDecodeError) Error() string {
+	buf := &bytes.Buffer{}
+
+	// Print the error message
+	if err.Message != "" {
+		fmt.Fprintln(buf, color.RedString("err:  %s", err.Message))
+	} else {
+		// Extract the errors from the TypeError
+		te := &yaml.TypeError{}
+		if errors.As(err.Err, &te) {
+			if len(te.Errors) > 1 {
+				fmt.Fprintln(buf, color.RedString("errs:"))
+				for _, message := range te.Errors {
+					fmt.Fprintln(buf, color.RedString("- %s", extractTypeErrorMessage(message)))
+				}
+			} else {
+				fmt.Fprintln(buf, color.RedString("err:  %s", extractTypeErrorMessage(te.Errors[0])))
+			}
+		} else {
+			// Otherwise print the error message normally
+			fmt.Fprintln(buf, color.RedString("err:  %s", err.Err))
+		}
+	}
+	fmt.Fprintln(buf, color.RedString("file: %s:%d:%d", err.Location, err.Line, err.Column))
+
+	// Print the snippet
+	maxLineNumberDigits := digits(err.Snippet.EndLine)
+	lineNumberSpacer := strings.Repeat(" ", maxLineNumberDigits)
+	columnSpacer := strings.Repeat(" ", err.Column-1)
+	for i, line := range err.Snippet.Lines {
+		currentLine := err.Snippet.StartLine + i + 1
+
+		lineIndicator := " "
+		if currentLine == err.Line {
+			lineIndicator = ">"
+		}
+		columnIndicator := "^"
+
+		// Print each line
+		lineIndicator = color.RedString(lineIndicator)
+		columnIndicator = color.RedString(columnIndicator)
+		lineNumberFormat := fmt.Sprintf("%%%dd", maxLineNumberDigits)
+		lineNumber := fmt.Sprintf(lineNumberFormat, currentLine)
+		fmt.Fprintf(buf, "%s %s | %s", lineIndicator, lineNumber, line)
+
+		// Print the column indicator
+		if currentLine == err.Line {
+			fmt.Fprintf(buf, "\n  %s | %s%s", lineNumberSpacer, columnSpacer, columnIndicator)
+		}
+
+		// If there are more lines to print, add a newline
+		if i < len(err.Snippet.Lines)-1 {
+			fmt.Fprintln(buf)
+		}
+	}
+
+	return buf.String()
+}
+
+func (err *TaskfileDecodeError) Unwrap() error {
+	return err.Err
+}
+
+func (err *TaskfileDecodeError) Code() int {
+	return CodeTaskfileDecode
+}
+
+func (err *TaskfileDecodeError) WithMessage(format string, a ...any) *TaskfileDecodeError {
+	err.Message = fmt.Sprintf(format, a...)
+	return err
+}
+
+func (err *TaskfileDecodeError) WithTypeMessage(t string) *TaskfileDecodeError {
+	err.Message = fmt.Sprintf("cannot unmarshal %s into %s", err.Tag, t)
+	return err
+}
+
+func (err *TaskfileDecodeError) WithFileInfo(location string, b []byte, padding int) *TaskfileDecodeError {
+	buf := &bytes.Buffer{}
+	if err := quick.Highlight(buf, string(b), "yaml", "terminal", "task"); err != nil {
+		buf.WriteString(string(b))
+	}
+	lines := strings.Split(buf.String(), "\n")
+	start := max(err.Line-1-padding, 0)
+	end := min(err.Line+padding, len(lines)-1)
+
+	err.Location = location
+	err.Snippet = TaskfileSnippet{
+		Lines:     lines[start:end],
+		StartLine: start,
+		EndLine:   end,
+		Padding:   padding,
+	}
+
+	return err
+}
+
+func extractTypeErrorMessage(message string) string {
+	matches := typeErrorRegex.FindStringSubmatch(message)
+	if len(matches) == 2 {
+		return matches[1]
+	}
+	return message
+}
+
+func digits(number int) int {
+	count := 0
+	for number != 0 {
+		number /= 10
+		count += 1
+	}
+	return count
+}

errors/errors.go

@@ -12,14 +12,14 @@ const (
 const (
 	CodeTaskfileNotFound int = iota + 100
 	CodeTaskfileAlreadyExists
-	CodeTaskfileInvalid
+	CodeTaskfileDecode
 	CodeTaskfileFetchFailed
 	CodeTaskfileNotTrusted
 	CodeTaskfileNotSecure
 	CodeTaskfileCacheNotFound
 	CodeTaskfileVersionCheckError
 	CodeTaskfileNetworkTimeout
-	_ // CodeTaskfileDuplicateInclude
+	CodeTaskfileInvalid
 	CodeTaskfileCycle
 )
 
@@ -32,6 +32,7 @@ const (
 	CodeTaskCalledTooManyTimes
 	CodeTaskCancelled
 	CodeTaskMissingRequiredVars
+	CodeTaskNotAllowedVars
 )
 
 // TaskError extends the standard error interface with a Code method. This code will
@@ -58,3 +59,8 @@ func Is(err, target error) bool {
 func As(err error, target any) bool {
 	return errors.As(err, target)
 }
+
+// Unwrap wraps the standard errors.Unwrap function so that we don't need to alias that package.
+func Unwrap(err error) error {
+	return errors.Unwrap(err)
+}

errors/errors_task.go

@@ -80,6 +80,19 @@ func (err *TaskNameConflictError) Code() int {
 	return CodeTaskNameConflict
 }
 
+type TaskNameFlattenConflictError struct {
+	TaskName string
+	Include  string
+}
+
+func (err *TaskNameFlattenConflictError) Error() string {
+	return fmt.Sprintf(`task: Found multiple tasks (%s) included by "%s""`, err.TaskName, err.Include)
+}
+
+func (err *TaskNameFlattenConflictError) Code() int {
+	return CodeTaskNameConflict
+}
+
 // TaskCalledTooManyTimesError is returned when the maximum task call limit is
 // exceeded. This is to prevent infinite loops and cyclic dependencies.
 type TaskCalledTooManyTimesError struct {
@@ -145,3 +158,29 @@ func (err *TaskMissingRequiredVars) Error() string {
 func (err *TaskMissingRequiredVars) Code() int {
 	return CodeTaskMissingRequiredVars
 }
+
+type NotAllowedVar struct {
+	Value string
+	Enum  []string
+	Name  string
+}
+
+type TaskNotAllowedVars struct {
+	TaskName       string
+	NotAllowedVars []NotAllowedVar
+}
+
+func (err *TaskNotAllowedVars) Error() string {
+	var builder strings.Builder
+
+	builder.WriteString(fmt.Sprintf("task: Task %q cancelled because it is missing required variables:\n", err.TaskName))
+	for _, s := range err.NotAllowedVars {
+		builder.WriteString(fmt.Sprintf("  - %s has an invalid value : '%s' (allowed values : %v)\n", s.Name, s.Value, s.Enum))
+	}
+
+	return builder.String()
+}
+
+func (err *TaskNotAllowedVars) Code() int {
+	return CodeTaskNotAllowedVars
+}

errors/themes/task.xml

@@ -0,0 +1,17 @@
+<style name="task">
+  <entry type="Background" style="bg:#eee8d5"/>
+  <entry type="Keyword" style="#859900"/>
+  <entry type="KeywordConstant" style=""/>
+  <entry type="KeywordNamespace" style="#dc322f"/>
+  <entry type="KeywordType" style=""/>
+  <entry type="Name" style="#268bd2"/>
+  <entry type="NameBuiltin" style="#cb4b16"/>
+  <entry type="NameClass" style="#cb4b16"/>
+  <entry type="NameTag" style=""/>
+  <entry type="Literal" style="#2aa198"/>
+  <entry type="LiteralNumber" style=""/>
+  <entry type="OperatorWord" style="#859900"/>
+  <entry type="Comment" style="italic #93a1a1"/>
+  <entry type="Generic" style="#d33682"/>
+  <entry type="Text" style="#586e75"/>
+</style>

go.mod

@@ -1,35 +1,60 @@
 module github.com/go-task/task/v3
 
-go 1.21.0
+go 1.22.0
 
 require (
-	github.com/Masterminds/semver/v3 v3.2.1
+	github.com/Ladicle/tabwriter v1.0.0
+	github.com/Masterminds/semver/v3 v3.3.0
+	github.com/alecthomas/chroma/v2 v2.14.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dominikbraun/graph v0.23.0
-	github.com/fatih/color v1.16.0
+	github.com/fatih/color v1.18.0
+	github.com/go-git/go-billy/v5 v5.6.0
+	github.com/go-git/go-git/v5 v5.12.0
 	github.com/go-task/slim-sprig/v3 v3.0.0
-	github.com/go-task/template v0.0.0-20240422130016-8f6b279b1e90
+	github.com/go-task/template v0.1.0
 	github.com/joho/godotenv v1.5.1
-	github.com/mattn/go-zglob v0.0.4
+	github.com/mattn/go-zglob v0.0.6
 	github.com/mitchellh/hashstructure/v2 v2.0.2
 	github.com/otiai10/copy v1.14.0
 	github.com/radovskyb/watcher v1.0.7
 	github.com/sajari/fuzzy v1.0.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.9.0
+	github.com/whilp/git-urls v1.0.0
 	github.com/zeebo/xxh3 v1.0.2
-	golang.org/x/sync v0.7.0
-	golang.org/x/term v0.19.0
+	golang.org/x/sync v0.8.0
+	golang.org/x/term v0.25.0
 	gopkg.in/yaml.v3 v3.0.1
-	mvdan.cc/sh/v3 v3.8.0
+	mvdan.cc/sh/v3 v3.10.0
 )
 
 require (
-	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
+	dario.cat/mergo v1.0.0 // indirect
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/ProtonMail/go-crypto v1.0.0 // indirect
+	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/cyphar/filepath-securejoin v0.2.5 // indirect
+	github.com/dlclark/regexp2 v1.11.0 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/pjbgf/sha1cd v0.3.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
+	github.com/skeema/knownhosts v1.2.2 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/mod v0.18.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/tools v0.22.0 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
 )

go.sum

@@ -1,27 +1,80 @@
-github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=
-github.com/Masterminds/semver/v3 v3.2.1/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
-github.com/creack/pty v1.1.21 h1:1/QdRyBaHHJP61QkWMXlOIBfsgdDeeKfK8SYVUWJKf0=
-github.com/creack/pty v1.1.21/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+github.com/Ladicle/tabwriter v1.0.0 h1:DZQqPvMumBDwVNElso13afjYLNp0Z7pHqHnu0r4t9Dg=
+github.com/Ladicle/tabwriter v1.0.0/go.mod h1:c4MdCjxQyTbGuQO/gvqJ+IA/89UEwrsD6hUCW98dyp4=
+github.com/Masterminds/semver/v3 v3.3.0 h1:B8LGeaivUe71a5qox1ICM/JLl0NqZSW5CHyL+hmvYS0=
+github.com/Masterminds/semver/v3 v3.3.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
+github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
+github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+github.com/ProtonMail/go-crypto v1.0.0 h1:LRuvITjQWX+WIfr930YHG2HNfjR1uOfyf5vE0kC2U78=
+github.com/ProtonMail/go-crypto v1.0.0/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0=
+github.com/alecthomas/assert/v2 v2.7.0 h1:QtqSACNS3tF7oasA8CU6A6sXZSBDqnm7RfpLl9bZqbE=
+github.com/alecthomas/assert/v2 v2.7.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/chroma/v2 v2.14.0 h1:R3+wzpnUArGcQz7fCETQBzO5n9IMNi13iIs46aU4V9E=
+github.com/alecthomas/chroma/v2 v2.14.0/go.mod h1:QolEbTfmUHIMVpBqxeDnNBj2uoeI4EbYP4i6n68SG4I=
+github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
+github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
+github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
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+golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
+golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
+golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.19.0 h1:+ThwsDv+tYfnJFhF4L8jITxu1tdTWRTZpdsWgEgjL6Q=
-golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
+golang.org/x/term v0.25.0 h1:WtHI/ltw4NvSUig5KARz9h521QvRC8RmF/cuYqifU24=
+golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
+golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-mvdan.cc/sh/v3 v3.8.0 h1:ZxuJipLZwr/HLbASonmXtcvvC9HXY9d2lXZHnKGjFc8=
-mvdan.cc/sh/v3 v3.8.0/go.mod h1:w04623xkgBVo7/IUK89E0g8hBykgEpN0vgOj3RJr6MY=
+mvdan.cc/sh/v3 v3.10.0 h1:v9z7N1DLZ7owyLM/SXZQkBSXcwr2IGMm2LY2pmhVXj4=
+mvdan.cc/sh/v3 v3.10.0/go.mod h1:z/mSSVyLFGZzqb3ZIKojjyqIx/xbmz/UHdCSv9HmqXY=

hash.go

@@ -1,6 +1,7 @@
 package task
 
 import (
+	"cmp"
 	"fmt"
 
 	"github.com/go-task/task/v3/internal/hash"
@@ -8,11 +9,7 @@ import (
 )
 
 func (e *Executor) GetHash(t *ast.Task) (string, error) {
-	r := t.Run
-	if r == "" {
-		r = e.Taskfile.Run
-	}
-
+	r := cmp.Or(t.Run, e.Taskfile.Run)
 	var h hash.HashFunc
 	switch r {
 	case "always":

help.go

@@ -7,8 +7,8 @@ import (
 	"io"
 	"os"
 	"strings"
-	"text/tabwriter"
 
+	"github.com/Ladicle/tabwriter"
 	"golang.org/x/sync/errgroup"
 
 	"github.com/go-task/task/v3/internal/editors"
@@ -105,7 +105,8 @@ func (e *Executor) ListTasks(o ListOptions) (bool, error) {
 	for _, task := range tasks {
 		e.Logger.FOutf(w, logger.Yellow, "* ")
 		e.Logger.FOutf(w, logger.Green, task.Task)
-		e.Logger.FOutf(w, logger.Default, ": \t%s", task.Desc)
+		desc := strings.ReplaceAll(task.Desc, "\n", " ")
+		e.Logger.FOutf(w, logger.Default, ": \t%s", desc)
 		if len(task.Aliases) > 0 {
 			e.Logger.FOutf(w, logger.Cyan, "\t(aliases: %s)", strings.Join(task.Aliases, ", "))
 		}
@@ -159,23 +160,21 @@ func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Ta
 	}
 	var g errgroup.Group
 	for i := range tasks {
-		task := tasks[i]
-		j := i
 		aliases := []string{}
-		if len(task.Aliases) > 0 {
-			aliases = task.Aliases
+		if len(tasks[i].Aliases) > 0 {
+			aliases = tasks[i].Aliases
 		}
 		g.Go(func() error {
-			o.Tasks[j] = editors.Task{
-				Name:     task.Name(),
-				Desc:     task.Desc,
-				Summary:  task.Summary,
+			o.Tasks[i] = editors.Task{
+				Name:     tasks[i].Name(),
+				Desc:     tasks[i].Desc,
+				Summary:  tasks[i].Summary,
 				Aliases:  aliases,
 				UpToDate: false,
 				Location: &editors.Location{
-					Line:     task.Location.Line,
-					Column:   task.Location.Column,
-					Taskfile: task.Location.Taskfile,
+					Line:     tasks[i].Location.Line,
+					Column:   tasks[i].Location.Column,
+					Taskfile: tasks[i].Location.Taskfile,
 				},
 			}
 
@@ -185,12 +184,12 @@ func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Ta
 
 			// Get the fingerprinting method to use
 			method := e.Taskfile.Method
-			if task.Method != "" {
-				method = task.Method
+			if tasks[i].Method != "" {
+				method = tasks[i].Method
 			}
-			upToDate, err := fingerprint.IsTaskUpToDate(context.Background(), task,
+			upToDate, err := fingerprint.IsTaskUpToDate(context.Background(), tasks[i],
 				fingerprint.WithMethod(method),
-				fingerprint.WithTempDir(e.TempDir),
+				fingerprint.WithTempDir(e.TempDir.Fingerprint),
 				fingerprint.WithDry(e.Dry),
 				fingerprint.WithLogger(e.Logger),
 			)
@@ -198,7 +197,7 @@ func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Ta
 				return err
 			}
 
-			o.Tasks[j].UpToDate = upToDate
+			o.Tasks[i].UpToDate = upToDate
 
 			return nil
 		})

internal/compiler/compiler.go

@@ -3,14 +3,13 @@ package compiler
 import (
 	"bytes"
 	"context"
-	"encoding/json"
 	"fmt"
+	"maps"
+	"os"
 	"path/filepath"
 	"strings"
 	"sync"
 
-	"gopkg.in/yaml.v3"
-
 	"github.com/go-task/task/v3/internal/execext"
 	"github.com/go-task/task/v3/internal/filepathext"
 	"github.com/go-task/task/v3/internal/logger"
@@ -47,14 +46,12 @@ func (c *Compiler) FastGetVariables(t *ast.Task, call *ast.Call) (*ast.Vars, err
 
 func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool) (*ast.Vars, error) {
 	result := GetEnviron()
-	if t != nil {
-		specialVars, err := c.getSpecialVars(t)
-		if err != nil {
-			return nil, err
-		}
-		for k, v := range specialVars {
-			result.Set(k, ast.Var{Value: v})
-		}
+	specialVars, err := c.getSpecialVars(t, call)
+	if err != nil {
+		return nil, err
+	}
+	for k, v := range specialVars {
+		result.Set(k, ast.Var{Value: v})
 	}
 
 	getRangeFunc := func(dir string) func(k string, v ast.Var) error {
@@ -77,20 +74,8 @@ func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool
 			if err := cache.Err(); err != nil {
 				return err
 			}
-			// Evaluate JSON
-			if newVar.Json != "" {
-				if err := json.Unmarshal([]byte(newVar.Json), &newVar.Value); err != nil {
-					return err
-				}
-			}
-			// Evaluate YAML
-			if newVar.Yaml != "" {
-				if err := yaml.Unmarshal([]byte(newVar.Yaml), &newVar.Value); err != nil {
-					return err
-				}
-			}
-			// If the variable is not dynamic, we can set it and return
-			if newVar.Value != nil || newVar.Sh == "" {
+			// If the variable is already set, we can set it and return
+			if newVar.Value != nil {
 				result.Set(k, ast.Var{Value: newVar.Value})
 				return nil
 			}
@@ -151,10 +136,15 @@ func (c *Compiler) HandleDynamicVar(v ast.Var, dir string) (string, error) {
 	c.muDynamicCache.Lock()
 	defer c.muDynamicCache.Unlock()
 
+	// If the variable is not dynamic or it is empty, return an empty string
+	if v.Sh == nil || *v.Sh == "" {
+		return "", nil
+	}
+
 	if c.dynamicCache == nil {
 		c.dynamicCache = make(map[string]string, 30)
 	}
-	if result, ok := c.dynamicCache[v.Sh]; ok {
+	if result, ok := c.dynamicCache[*v.Sh]; ok {
 		return result, nil
 	}
 
@@ -165,7 +155,7 @@ func (c *Compiler) HandleDynamicVar(v ast.Var, dir string) (string, error) {
 
 	var stdout bytes.Buffer
 	opts := &execext.RunCommandOptions{
-		Command: v.Sh,
+		Command: *v.Sh,
 		Dir:     dir,
 		Stdout:  &stdout,
 		Stderr:  c.Logger.Stderr,
@@ -179,7 +169,7 @@ func (c *Compiler) HandleDynamicVar(v ast.Var, dir string) (string, error) {
 	result := strings.TrimSuffix(stdout.String(), "\r\n")
 	result = strings.TrimSuffix(result, "\n")
 
-	c.dynamicCache[v.Sh] = result
+	c.dynamicCache[*v.Sh] = result
 	c.Logger.VerboseErrf(logger.Magenta, "task: dynamic variable: %q result: %q\n", v.Sh, result)
 
 	return result, nil
@@ -193,14 +183,19 @@ func (c *Compiler) ResetCache() {
 	c.dynamicCache = nil
 }
 
-func (c *Compiler) getSpecialVars(t *ast.Task) (map[string]string, error) {
-	return map[string]string{
-		"TASK":             t.Task,
+func (c *Compiler) getSpecialVars(t *ast.Task, call *ast.Call) (map[string]string, error) {
+	allVars := map[string]string{
+		"TASK_EXE":         filepath.ToSlash(os.Args[0]),
 		"ROOT_TASKFILE":    filepathext.SmartJoin(c.Dir, c.Entrypoint),
 		"ROOT_DIR":         c.Dir,
-		"TASKFILE":         t.Location.Taskfile,
-		"TASKFILE_DIR":     filepath.Dir(t.Location.Taskfile),
 		"USER_WORKING_DIR": c.UserWorkingDir,
 		"TASK_VERSION":     version.GetVersion(),
-	}, nil
+	}
+	if t != nil {
+		maps.Copy(allVars, map[string]string{"TASK": t.Task, "TASKFILE": t.Location.Taskfile, "TASKFILE_DIR": filepath.Dir(t.Location.Taskfile)})
+	}
+	if call != nil {
+		maps.Copy(allVars, map[string]string{"ALIAS": call.Task})
+	}
+	return allVars, nil
 }

internal/deepcopy/deepcopy.go

@@ -85,7 +85,7 @@ func TraverseStringsFunc[T any](v T, fn func(v string) (string, error)) (T, erro
 
 		case reflect.Struct:
 			// Loop over each field and call traverseFunc recursively
-			for i := 0; i < v.NumField(); i += 1 {
+			for i := range v.NumField() {
 				if err := traverseFunc(copy.Field(i), v.Field(i)); err != nil {
 					return err
 				}
@@ -95,7 +95,7 @@ func TraverseStringsFunc[T any](v T, fn func(v string) (string, error)) (T, erro
 			// Create an empty copy from the original value's type
 			copy.Set(reflect.MakeSlice(v.Type(), v.Len(), v.Cap()))
 			// Loop over each element and call traverseFunc recursively
-			for i := 0; i < v.Len(); i += 1 {
+			for i := range v.Len() {
 				if err := traverseFunc(copy.Index(i), v.Index(i)); err != nil {
 					return err
 				}

internal/env/env.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/go-task/task/v3/internal/experiments"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
@@ -11,15 +12,15 @@ func Get(t *ast.Task) []string {
 	if t.Env == nil {
 		return nil
 	}
-
 	environ := os.Environ()
 	for k, v := range t.Env.ToCacheMap() {
 		if !isTypeAllowed(v) {
 			continue
 		}
-
-		if _, alreadySet := os.LookupEnv(k); alreadySet {
-			continue
+		if !experiments.EnvPrecedence.Enabled {
+			if _, alreadySet := os.LookupEnv(k); alreadySet {
+				continue
+			}
 		}
 		environ = append(environ, fmt.Sprintf("%s=%v", k, v))
 	}

internal/execext/exec.go

@@ -90,14 +90,6 @@ func RunCommand(ctx context.Context, opts *RunCommandOptions) error {
 	return r.Run(ctx, p)
 }
 
-// IsExitError returns true the given error is an exis status error
-func IsExitError(err error) bool {
-	if _, ok := interp.IsExitStatus(err); ok {
-		return true
-	}
-	return false
-}
-
 // Expand is a helper to mvdan.cc/shell.Fields that returns the first field
 // if available.
 func Expand(s string) (string, error) {

internal/experiments/experiments.go

@@ -7,8 +7,8 @@ import (
 	"path/filepath"
 	"slices"
 	"strings"
-	"text/tabwriter"
 
+	"github.com/Ladicle/tabwriter"
 	"github.com/joho/godotenv"
 	"github.com/spf13/pflag"
 
@@ -29,6 +29,7 @@ var (
 	RemoteTaskfiles Experiment
 	AnyVariables    Experiment
 	MapVariables    Experiment
+	EnvPrecedence   Experiment
 )
 
 func init() {
@@ -37,6 +38,7 @@ func init() {
 	RemoteTaskfiles = New("REMOTE_TASKFILES")
 	AnyVariables = New("ANY_VARIABLES", "1", "2")
 	MapVariables = New("MAP_VARIABLES", "1", "2")
+	EnvPrecedence = New("ENV_PRECEDENCE")
 }
 
 func New(xName string, enabledValues ...string) Experiment {
@@ -70,6 +72,7 @@ func getEnvFilePath() string {
 	fs := pflag.NewFlagSet("experiments", pflag.ContinueOnError)
 	fs.StringVarP(&dir, "dir", "d", "", "Sets directory of execution.")
 	fs.StringVarP(&taskfile, "taskfile", "t", "", `Choose which Taskfile to run. Defaults to "Taskfile.yml".`)
+	fs.Usage = func() {}
 	_ = fs.Parse(os.Args[1:])
 	// If the directory is set, find a .env file in that directory.
 	if dir != "" {
@@ -104,5 +107,6 @@ func List(l *logger.Logger) error {
 	printExperiment(w, l, GentleForce)
 	printExperiment(w, l, RemoteTaskfiles)
 	printExperiment(w, l, MapVariables)
+	printExperiment(w, l, EnvPrecedence)
 	return w.Flush()
 }

internal/flags/flags.go

@@ -1,9 +1,11 @@
 package flags
 
 import (
+	"cmp"
 	"errors"
 	"log"
 	"os"
+	"strconv"
 	"time"
 
 	"github.com/spf13/pflag"
@@ -38,6 +40,7 @@ var (
 	Version     bool
 	Help        bool
 	Init        bool
+	Completion  string
 	List        bool
 	ListAll     bool
 	ListJson    bool
@@ -65,6 +68,7 @@ var (
 	Experiments bool
 	Download    bool
 	Offline     bool
+	ClearCache  bool
 	Timeout     time.Duration
 )
 
@@ -75,10 +79,14 @@ func init() {
 		log.Print(usage)
 		pflag.PrintDefaults()
 	}
-
+	offline, err := strconv.ParseBool(cmp.Or(os.Getenv("TASK_OFFLINE"), "false"))
+	if err != nil {
+		offline = false
+	}
 	pflag.BoolVar(&Version, "version", false, "Show Task version.")
 	pflag.BoolVarP(&Help, "help", "h", false, "Shows Task usage.")
 	pflag.BoolVarP(&Init, "init", "i", false, "Creates a new Taskfile.yml in the current folder.")
+	pflag.StringVar(&Completion, "completion", "", "Generates shell completion script.")
 	pflag.BoolVarP(&List, "list", "l", false, "Lists tasks with description of current Taskfile.")
 	pflag.BoolVarP(&ListAll, "list-all", "a", false, "Lists tasks with or without a description.")
 	pflag.BoolVarP(&ListJson, "json", "j", false, "Formats task list as JSON.")
@@ -101,7 +109,7 @@ func init() {
 	pflag.StringVar(&Output.Group.End, "output-group-end", "", "Message template to print after a task's grouped output.")
 	pflag.BoolVar(&Output.Group.ErrorOnly, "output-group-error-only", false, "Swallow output from successful tasks.")
 	pflag.BoolVarP(&Color, "color", "c", true, "Colored output. Enabled by default. Set flag to false or use NO_COLOR=1 to disable.")
-	pflag.IntVarP(&Concurrency, "concurrency", "C", 0, "Limit number tasks to run concurrently.")
+	pflag.IntVarP(&Concurrency, "concurrency", "C", 0, "Limit number of tasks to run concurrently.")
 	pflag.DurationVarP(&Interval, "interval", "I", 0, "Interval to watch for changes.")
 	pflag.BoolVarP(&Global, "global", "g", false, "Runs global Taskfile, from $HOME/{T,t}askfile.{yml,yaml}.")
 	pflag.BoolVar(&Experiments, "experiments", false, "Lists all the available experiments and whether or not they are enabled.")
@@ -117,8 +125,9 @@ func init() {
 	// Remote Taskfiles experiment will adds the "download" and "offline" flags
 	if experiments.RemoteTaskfiles.Enabled {
 		pflag.BoolVar(&Download, "download", false, "Downloads a cached version of a remote Taskfile.")
-		pflag.BoolVar(&Offline, "offline", false, "Forces Task to only use local or cached Taskfiles.")
+		pflag.BoolVar(&Offline, "offline", offline, "Forces Task to only use local or cached Taskfiles.")
 		pflag.DurationVar(&Timeout, "timeout", time.Second*10, "Timeout for downloading remote Taskfiles.")
+		pflag.BoolVar(&ClearCache, "clear-cache", false, "Clear the remote cache.")
 	}
 
 	pflag.Parse()
@@ -129,6 +138,10 @@ func Validate() error {
 		return errors.New("task: You can't set both --download and --offline flags")
 	}
 
+	if Download && ClearCache {
+		return errors.New("task: You can't set both --download and --clear-cache flags")
+	}
+
 	if Global && Dir != "" {
 		log.Fatal("task: You can't set both --global and --dir")
 		return nil

internal/hash/hash.go

@@ -15,7 +15,7 @@ func Empty(*ast.Task) (string, error) {
 }
 
 func Name(t *ast.Task) (string, error) {
-	return t.Task, nil
+	return fmt.Sprintf("%s:%s", t.Location.Taskfile, t.LocalName()), nil
 }
 
 func Hash(t *ast.Task) (string, error) {

internal/logger/logger.go

@@ -52,6 +52,30 @@ func Red() PrintFunc {
 	return color.New(envColor("TASK_COLOR_RED", color.FgRed)...).FprintfFunc()
 }
 
+func BrightBlue() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_BLUE", color.FgHiBlue)...).FprintfFunc()
+}
+
+func BrightGreen() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_GREEN", color.FgHiGreen)...).FprintfFunc()
+}
+
+func BrightCyan() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_CYAN", color.FgHiCyan)...).FprintfFunc()
+}
+
+func BrightYellow() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_YELLOW", color.FgHiYellow)...).FprintfFunc()
+}
+
+func BrightMagenta() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_MAGENTA", color.FgHiMagenta)...).FprintfFunc()
+}
+
+func BrightRed() PrintFunc {
+	return color.New(envColor("TASK_COLOR_BRIGHT_RED", color.FgHiRed)...).FprintfFunc()
+}
+
 func envColor(env string, defaultColor color.Attribute) []color.Attribute {
 	if os.Getenv("FORCE_COLOR") != "" {
 		color.NoColor = false
@@ -65,7 +89,7 @@ func envColor(env string, defaultColor color.Attribute) []color.Attribute {
 	// Otherwise, split by semicolons (ANSI color codes) and use them as is.
 	attributeStrs := strings.Split(override, ",")
 	if len(attributeStrs) == 3 {
-		attributeStrs = append([]string{"38", "2"}, attributeStrs...)
+		attributeStrs = slices.Concat([]string{"38", "2"}, attributeStrs)
 	} else {
 		attributeStrs = strings.Split(override, ";")
 	}
@@ -156,7 +180,7 @@ func (l *Logger) Prompt(color Color, prompt string, defaultValue string, continu
 		return errors.New("no continue values provided")
 	}
 
-	l.Outf(color, "%s [%s/%s]\n", prompt, strings.ToLower(continueValues[0]), strings.ToUpper(defaultValue))
+	l.Outf(color, "%s [%s/%s]: ", prompt, strings.ToLower(continueValues[0]), strings.ToUpper(defaultValue))
 
 	reader := bufio.NewReader(l.Stdin)
 	input, err := reader.ReadString('\n')

internal/output/output.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 
+	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/internal/templater"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
@@ -15,7 +16,7 @@ type Output interface {
 type CloseFunc func(err error) error
 
 // Build the Output for the requested ast.Output.
-func BuildFor(o *ast.Output) (Output, error) {
+func BuildFor(o *ast.Output, logger *logger.Logger) (Output, error) {
 	switch o.Name {
 	case "interleaved", "":
 		if err := checkOutputGroupUnset(o); err != nil {
@@ -32,7 +33,7 @@ func BuildFor(o *ast.Output) (Output, error) {
 		if err := checkOutputGroupUnset(o); err != nil {
 			return nil, err
 		}
-		return Prefixed{}, nil
+		return NewPrefixed(logger), nil
 	default:
 		return nil, fmt.Errorf(`task: output style %q not recognized`, o.Name)
 	}

internal/output/output_test.go

@@ -7,9 +7,11 @@ import (
 	"io"
 	"testing"
 
+	"github.com/fatih/color"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/internal/omap"
 	"github.com/go-task/task/v3/internal/output"
 	"github.com/go-task/task/v3/internal/templater"
@@ -107,7 +109,11 @@ func TestGroupErrorOnlyShowsOutputOnError(t *testing.T) {
 
 func TestPrefixed(t *testing.T) {
 	var b bytes.Buffer
-	var o output.Output = output.Prefixed{}
+	l := &logger.Logger{
+		Color: false,
+	}
+
+	var o output.Output = output.NewPrefixed(l)
 	w, _, cleanup := o.WrapWriter(&b, io.Discard, "prefix", nil)
 
 	t.Run("simple use cases", func(t *testing.T) {
@@ -132,3 +138,33 @@ func TestPrefixed(t *testing.T) {
 		assert.Equal(t, "[prefix] Test!\n", b.String())
 	})
 }
+
+func TestPrefixedWithColor(t *testing.T) {
+	color.NoColor = false
+
+	var b bytes.Buffer
+	l := &logger.Logger{
+		Color: true,
+	}
+
+	var o output.Output = output.NewPrefixed(l)
+
+	writers := make([]io.Writer, 16)
+	for i := range writers {
+		writers[i], _, _ = o.WrapWriter(&b, io.Discard, fmt.Sprintf("prefix-%d", i), nil)
+	}
+
+	t.Run("colors should loop", func(t *testing.T) {
+		for i, w := range writers {
+			b.Reset()
+
+			color := output.PrefixColorSequence[i%len(output.PrefixColorSequence)]
+
+			var prefix bytes.Buffer
+			l.FOutf(&prefix, color, fmt.Sprintf("prefix-%d", i))
+
+			fmt.Fprintln(w, "foo\nbar")
+			assert.Equal(t, fmt.Sprintf("[%s] foo\n[%s] bar\n", prefix.String(), prefix.String()), b.String())
+		}
+	})
+}

internal/output/prefixed.go

@@ -6,20 +6,36 @@ import (
 	"io"
 	"strings"
 
+	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/internal/templater"
 )
 
-type Prefixed struct{}
+type Prefixed struct {
+	logger  *logger.Logger
+	seen    map[string]uint
+	counter *uint
+}
 
-func (Prefixed) WrapWriter(stdOut, _ io.Writer, prefix string, _ *templater.Cache) (io.Writer, io.Writer, CloseFunc) {
-	pw := &prefixWriter{writer: stdOut, prefix: prefix}
+func NewPrefixed(logger *logger.Logger) Prefixed {
+	var counter uint
+
+	return Prefixed{
+		seen:    make(map[string]uint),
+		counter: &counter,
+		logger:  logger,
+	}
+}
+
+func (p Prefixed) WrapWriter(stdOut, _ io.Writer, prefix string, _ *templater.Cache) (io.Writer, io.Writer, CloseFunc) {
+	pw := &prefixWriter{writer: stdOut, prefix: prefix, prefixed: &p}
 	return pw, pw, func(error) error { return pw.close() }
 }
 
 type prefixWriter struct {
-	writer io.Writer
-	prefix string
-	buff   bytes.Buffer
+	writer   io.Writer
+	prefixed *Prefixed
+	prefix   string
+	buff     bytes.Buffer
 }
 
 func (pw *prefixWriter) Write(p []byte) (int, error) {
@@ -56,6 +72,11 @@ func (pw *prefixWriter) writeOutputLines(force bool) error {
 	}
 }
 
+var PrefixColorSequence = []logger.Color{
+	logger.Yellow, logger.Blue, logger.Magenta, logger.Cyan, logger.Green, logger.Red,
+	logger.BrightYellow, logger.BrightBlue, logger.BrightMagenta, logger.BrightCyan, logger.BrightGreen, logger.BrightRed,
+}
+
 func (pw *prefixWriter) writeLine(line string) error {
 	if line == "" {
 		return nil
@@ -63,6 +84,27 @@ func (pw *prefixWriter) writeLine(line string) error {
 	if !strings.HasSuffix(line, "\n") {
 		line += "\n"
 	}
-	_, err := fmt.Fprintf(pw.writer, "[%s] %s", pw.prefix, line)
+
+	idx, ok := pw.prefixed.seen[pw.prefix]
+
+	if !ok {
+		idx = *pw.prefixed.counter
+		pw.prefixed.seen[pw.prefix] = idx
+
+		*pw.prefixed.counter++
+	}
+
+	if _, err := fmt.Fprint(pw.writer, "["); err != nil {
+		return nil
+	}
+
+	color := PrefixColorSequence[idx%uint(len(PrefixColorSequence))]
+	pw.prefixed.logger.FOutf(pw.writer, color, pw.prefix)
+
+	if _, err := fmt.Fprint(pw.writer, "] "); err != nil {
+		return nil
+	}
+
+	_, err := fmt.Fprint(pw.writer, line)
 	return err
 }

internal/templater/funcs.go

@@ -17,8 +17,9 @@ var templateFuncs template.FuncMap
 
 func init() {
 	taskFuncs := template.FuncMap{
-		"OS":   func() string { return runtime.GOOS },
-		"ARCH": func() string { return runtime.GOARCH },
+		"OS":     func() string { return runtime.GOOS },
+		"ARCH":   func() string { return runtime.GOARCH },
+		"numCPU": func() int { return runtime.NumCPU() },
 		"catLines": func(s string) string {
 			s = strings.ReplaceAll(s, "\r\n", " ")
 			return strings.ReplaceAll(s, "\n", " ")

internal/templater/templater.go

@@ -2,6 +2,7 @@ package templater
 
 import (
 	"bytes"
+	"fmt"
 	"maps"
 	"strings"
 
@@ -40,7 +41,15 @@ func ResolveRef(ref string, cache *Cache) any {
 		cache.cacheMap = cache.Vars.ToCacheMap()
 	}
 
-	val, err := template.ResolveRef(ref, cache.cacheMap)
+	if ref == "." {
+		return cache.cacheMap
+	}
+	t, err := template.New("resolver").Funcs(templateFuncs).Parse(fmt.Sprintf("{{%s}}", ref))
+	if err != nil {
+		cache.err = err
+		return nil
+	}
+	val, err := t.Resolve(cache.cacheMap)
 	if err != nil {
 		cache.err = err
 		return nil
@@ -119,8 +128,6 @@ func ReplaceVarWithExtra(v ast.Var, cache *Cache, extra map[string]any) ast.Var
 		Live:  v.Live,
 		Ref:   v.Ref,
 		Dir:   v.Dir,
-		Json:  ReplaceWithExtra(v.Json, cache, extra),
-		Yaml:  ReplaceWithExtra(v.Yaml, cache, extra),
 	}
 }
 

internal/version/version.go

@@ -5,21 +5,29 @@ import (
 	"runtime/debug"
 )
 
-var version = ""
-
-func GetVersion() string {
-	if version != "" {
-		return version
-	}
+var (
+	version = ""
+	sum     = ""
+)
 
+func init() {
 	info, ok := debug.ReadBuildInfo()
 	if !ok || info.Main.Version == "" {
-		return "unknown"
+		version = "unknown"
+	} else {
+		if version == "" {
+			version = info.Main.Version
+		}
+		if sum == "" {
+			sum = info.Main.Sum
+		}
 	}
-
-	ver := info.Main.Version
-	if info.Main.Sum != "" {
-		ver += fmt.Sprintf(" (%s)", info.Main.Sum)
-	}
-	return ver
+}
+
+func GetVersion() string {
+	return version
+}
+
+func GetVersionWithSum() string {
+	return fmt.Sprintf("%s (%s)", version, sum)
 }

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@go-task/cli",
-  "version": "3.37.2",
+  "version": "3.40.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@go-task/cli",
-  "version": "3.37.2",
+  "version": "3.40.0",
   "description": "A task runner / simpler Make alternative written in Go",
   "scripts": {
     "postinstall": "go-npm install",

requires.go

@@ -1,13 +1,13 @@
 package task
 
 import (
-	"context"
+	"slices"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
-func (e *Executor) areTaskRequiredVarsSet(ctx context.Context, t *ast.Task, call *ast.Call) error {
+func (e *Executor) areTaskRequiredVarsSet(t *ast.Task, call *ast.Call) error {
 	if t.Requires == nil || len(t.Requires.Vars) == 0 {
 		return nil
 	}
@@ -18,9 +18,19 @@ func (e *Executor) areTaskRequiredVarsSet(ctx context.Context, t *ast.Task, call
 	}
 
 	var missingVars []string
+	var notAllowedValuesVars []errors.NotAllowedVar
 	for _, requiredVar := range t.Requires.Vars {
-		if !vars.Exists(requiredVar) {
-			missingVars = append(missingVars, requiredVar)
+		value, isString := vars.Get(requiredVar.Name).Value.(string)
+		if !vars.Exists(requiredVar.Name) {
+			missingVars = append(missingVars, requiredVar.Name)
+		} else {
+			if isString && requiredVar.Enum != nil && !slices.Contains(requiredVar.Enum, value) {
+				notAllowedValuesVars = append(notAllowedValuesVars, errors.NotAllowedVar{
+					Value: value,
+					Enum:  requiredVar.Enum,
+					Name:  requiredVar.Name,
+				})
+			}
 		}
 	}
 
@@ -31,5 +41,12 @@ func (e *Executor) areTaskRequiredVarsSet(ctx context.Context, t *ast.Task, call
 		}
 	}
 
+	if len(notAllowedValuesVars) > 0 {
+		return &errors.TaskNotAllowedVars{
+			TaskName:       t.Name(),
+			NotAllowedVars: notAllowedValuesVars,
+		}
+	}
+
 	return nil
 }

setup.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"slices"
 	"strings"
 	"sync"
 
@@ -69,7 +70,7 @@ func (e *Executor) readTaskfile(node taskfile.Node) error {
 		e.Download,
 		e.Offline,
 		e.Timeout,
-		e.TempDir,
+		e.TempDir.Remote,
 		e.Logger,
 	)
 	graph, err := reader.Read()
@@ -95,7 +96,7 @@ func (e *Executor) setupFuzzyModel() {
 		words = append(words, taskName)
 
 		for _, task := range e.Taskfile.Tasks.Values() {
-			words = append(words, task.Aliases...)
+			words = slices.Concat(words, task.Aliases)
 		}
 	}
 
@@ -104,12 +105,15 @@ func (e *Executor) setupFuzzyModel() {
 }
 
 func (e *Executor) setupTempDir() error {
-	if e.TempDir != "" {
+	if e.TempDir != (TempDir{}) {
 		return nil
 	}
 
 	if os.Getenv("TASK_TEMP_DIR") == "" {
-		e.TempDir = filepathext.SmartJoin(e.Dir, ".task")
+		e.TempDir = TempDir{
+			Remote:      filepathext.SmartJoin(e.Dir, ".task"),
+			Fingerprint: filepathext.SmartJoin(e.Dir, ".task"),
+		}
 	} else if filepath.IsAbs(os.Getenv("TASK_TEMP_DIR")) || strings.HasPrefix(os.Getenv("TASK_TEMP_DIR"), "~") {
 		tempDir, err := execext.Expand(os.Getenv("TASK_TEMP_DIR"))
 		if err != nil {
@@ -117,9 +121,28 @@ func (e *Executor) setupTempDir() error {
 		}
 		projectDir, _ := filepath.Abs(e.Dir)
 		projectName := filepath.Base(projectDir)
-		e.TempDir = filepathext.SmartJoin(tempDir, projectName)
+		e.TempDir = TempDir{
+			Remote:      tempDir,
+			Fingerprint: filepathext.SmartJoin(tempDir, projectName),
+		}
+
 	} else {
-		e.TempDir = filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR"))
+		e.TempDir = TempDir{
+			Remote:      filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR")),
+			Fingerprint: filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR")),
+		}
+	}
+
+	if os.Getenv("TASK_REMOTE_DIR") != "" {
+		if filepath.IsAbs(os.Getenv("TASK_REMOTE_DIR")) || strings.HasPrefix(os.Getenv("TASK_REMOTE_DIR"), "~") {
+			remoteTempDir, err := execext.Expand(os.Getenv("TASK_REMOTE_DIR"))
+			if err != nil {
+				return err
+			}
+			e.TempDir.Remote = remoteTempDir
+		} else {
+			e.TempDir.Remote = filepathext.SmartJoin(e.Dir, ".task")
+		}
 	}
 
 	return nil
@@ -155,7 +178,7 @@ func (e *Executor) setupOutput() error {
 	}
 
 	var err error
-	e.Output, err = output.BuildFor(&e.OutputStyle)
+	e.Output, err = output.BuildFor(&e.OutputStyle, e.Logger)
 	return err
 }
 

signals.go

@@ -8,24 +8,25 @@ import (
 	"github.com/go-task/task/v3/internal/logger"
 )
 
+const interruptSignalsCount = 3
+
 // NOTE(@andreynering): This function intercepts SIGINT and SIGTERM signals
 // so the Task process is not killed immediately and processes running have
 // time to do cleanup work.
 func (e *Executor) InterceptInterruptSignals() {
-	ch := make(chan os.Signal, 3)
+	ch := make(chan os.Signal, interruptSignalsCount)
 	signal.Notify(ch, os.Interrupt, syscall.SIGTERM)
 
 	go func() {
-		for i := 1; i <= 3; i++ {
+		for i := range interruptSignalsCount {
 			sig := <-ch
 
-			if i < 3 {
-				e.Logger.Outf(logger.Yellow, "task: Signal received: %q\n", sig)
-				continue
+			if i+1 >= interruptSignalsCount {
+				e.Logger.Errf(logger.Red, "task: Signal received for the third time: %q. Forcing shutdown\n", sig)
+				os.Exit(1)
 			}
 
-			e.Logger.Errf(logger.Red, "task: Signal received for the third time: %q. Forcing shutdown\n", sig)
-			os.Exit(1)
+			e.Logger.Outf(logger.Yellow, "task: Signal received: %q\n", sig)
 		}
 	}()
 }

signals_test.go

@@ -20,9 +20,7 @@ import (
 	"time"
 )
 
-var (
-	SLEEPIT, _ = filepath.Abs("./bin/sleepit")
-)
+var SLEEPIT, _ = filepath.Abs("./bin/sleepit")
 
 func TestSignalSentToProcessGroup(t *testing.T) {
 	task, err := getTaskPath()
@@ -147,7 +145,7 @@ func TestSignalSentToProcessGroup(t *testing.T) {
 			// where the negative PID means the corresponding process group. Note that
 			// this negative PID works only as long as the caller of the kill(2) system
 			// call has a different PID, which is the case for this test.
-			for i := 1; i <= tc.sendSigs; i++ {
+			for range tc.sendSigs - 1 {
 				if err := syscall.Kill(-sut.Process.Pid, syscall.SIGINT); err != nil {
 					t.Fatalf("sending INT signal to the process group: %v", err)
 				}

status.go

@@ -27,7 +27,7 @@ func (e *Executor) Status(ctx context.Context, calls ...*ast.Call) error {
 		// Check if the task is up-to-date
 		isUpToDate, err := fingerprint.IsTaskUpToDate(ctx, t,
 			fingerprint.WithMethod(method),
-			fingerprint.WithTempDir(e.TempDir),
+			fingerprint.WithTempDir(e.TempDir.Fingerprint),
 			fingerprint.WithDry(e.Dry),
 			fingerprint.WithLogger(e.Logger),
 		)
@@ -46,7 +46,7 @@ func (e *Executor) statusOnError(t *ast.Task) error {
 	if method == "" {
 		method = e.Taskfile.Method
 	}
-	checker, err := fingerprint.NewSourcesChecker(method, e.TempDir, e.Dry)
+	checker, err := fingerprint.NewSourcesChecker(method, e.TempDir.Fingerprint, e.Dry)
 	if err != nil {
 		return err
 	}

task.go

@@ -11,6 +11,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"mvdan.cc/sh/v3/interp"
+
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/compiler"
 	"github.com/go-task/task/v3/internal/env"
@@ -34,13 +36,18 @@ const (
 	MaximumTaskCall = 1000
 )
 
+type TempDir struct {
+	Remote      string
+	Fingerprint string
+}
+
 // Executor executes a Taskfile
 type Executor struct {
 	Taskfile *ast.Taskfile
 
 	Dir         string
 	Entrypoint  string
-	TempDir     string
+	TempDir     TempDir
 	Force       bool
 	ForceAll    bool
 	Insecure    bool
@@ -183,16 +190,6 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 	release := e.acquireConcurrencyLimit()
 	defer release()
 
-	if t.Prompt != "" {
-		if err := e.Logger.Prompt(logger.Yellow, t.Prompt, "n", "y", "yes"); errors.Is(err, logger.ErrNoTerminal) {
-			return &errors.TaskCancelledNoTerminalError{TaskName: call.Task}
-		} else if errors.Is(err, logger.ErrPromptCancelled) {
-			return &errors.TaskCancelledByUserError{TaskName: call.Task}
-		} else if err != nil {
-			return err
-		}
-	}
-
 	return e.startExecution(ctx, t, func(ctx context.Context) error {
 		e.Logger.VerboseErrf(logger.Magenta, "task: %q started\n", call.Task)
 		if err := e.runDeps(ctx, t); err != nil {
@@ -205,7 +202,7 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 				return err
 			}
 
-			if err := e.areTaskRequiredVarsSet(ctx, t, call); err != nil {
+			if err := e.areTaskRequiredVarsSet(t, call); err != nil {
 				return err
 			}
 
@@ -222,7 +219,7 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 
 			upToDate, err := fingerprint.IsTaskUpToDate(ctx, t,
 				fingerprint.WithMethod(method),
-				fingerprint.WithTempDir(e.TempDir),
+				fingerprint.WithTempDir(e.TempDir.Fingerprint),
 				fingerprint.WithDry(e.Dry),
 				fingerprint.WithLogger(e.Logger),
 			)
@@ -238,13 +235,27 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 			}
 		}
 
+		for _, p := range t.Prompt {
+			if p != "" && !e.Dry {
+				if err := e.Logger.Prompt(logger.Yellow, p, "n", "y", "yes"); errors.Is(err, logger.ErrNoTerminal) {
+					return &errors.TaskCancelledNoTerminalError{TaskName: call.Task}
+				} else if errors.Is(err, logger.ErrPromptCancelled) {
+					return &errors.TaskCancelledByUserError{TaskName: call.Task}
+				} else if err != nil {
+					return err
+				}
+			}
+		}
+
 		if err := e.mkdir(t); err != nil {
 			e.Logger.Errf(logger.Red, "task: cannot make directory %q: %v\n", t.Dir, err)
 		}
 
+		var deferredExitCode uint8
+
 		for i := range t.Cmds {
 			if t.Cmds[i].Defer {
-				defer e.runDeferred(t, call, i)
+				defer e.runDeferred(t, call, i, &deferredExitCode)
 				continue
 			}
 
@@ -253,9 +264,13 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 					e.Logger.VerboseErrf(logger.Yellow, "task: error cleaning status on error: %v\n", err2)
 				}
 
-				if execext.IsExitError(err) && t.IgnoreError {
-					e.Logger.VerboseErrf(logger.Yellow, "task: task error ignored: %v\n", err)
-					continue
+				exitCode, isExitError := interp.IsExitStatus(err)
+				if isExitError {
+					if t.IgnoreError {
+						e.Logger.VerboseErrf(logger.Yellow, "task: task error ignored: %v\n", err)
+						continue
+					}
+					deferredExitCode = exitCode
 				}
 
 				if call.Indirect {
@@ -307,10 +322,26 @@ func (e *Executor) runDeps(ctx context.Context, t *ast.Task) error {
 	return g.Wait()
 }
 
-func (e *Executor) runDeferred(t *ast.Task, call *ast.Call, i int) {
+func (e *Executor) runDeferred(t *ast.Task, call *ast.Call, i int, deferredExitCode *uint8) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
+	origTask, err := e.GetTask(call)
+	if err != nil {
+		return
+	}
+
+	cmd := t.Cmds[i]
+	vars, _ := e.Compiler.GetVariables(origTask, call)
+	cache := &templater.Cache{Vars: vars}
+	extra := map[string]any{}
+
+	if deferredExitCode != nil && *deferredExitCode > 0 {
+		extra["EXIT_CODE"] = fmt.Sprintf("%d", *deferredExitCode)
+	}
+
+	cmd.Cmd = templater.ReplaceWithExtra(cmd.Cmd, cache, extra)
+
 	if err := e.runCommand(ctx, t, call, i); err != nil {
 		e.Logger.VerboseErrf(logger.Yellow, "task: ignored error in deferred cmd: %s\n", err.Error())
 	}
@@ -367,7 +398,7 @@ func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *ast.Call,
 		if closeErr := close(err); closeErr != nil {
 			e.Logger.Errf(logger.Red, "task: unable to close writer: %v\n", closeErr)
 		}
-		if execext.IsExitError(err) && cmd.IgnoreError {
+		if _, isExitError := interp.IsExitStatus(err); isExitError && cmd.IgnoreError {
 			e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v\n", t.Name(), err)
 			return nil
 		}
@@ -489,14 +520,12 @@ func (e *Executor) GetTaskList(filters ...FilterFunc) ([]*ast.Task, error) {
 
 	// Compile the list of tasks
 	for i := range tasks {
-		idx := i
-		task := tasks[idx]
 		g.Go(func() error {
-			compiledTask, err := e.FastCompiledTask(&ast.Call{Task: task.Task})
+			compiledTask, err := e.FastCompiledTask(&ast.Call{Task: tasks[i].Task})
 			if err != nil {
 				return err
 			}
-			tasks[idx] = compiledTask
+			tasks[i] = compiledTask
 			return nil
 		})
 	}

task_test.go

@@ -5,6 +5,10 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"io/fs"
+	rand "math/rand/v2"
+	"net/http"
+	"net/http/httptest"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -12,6 +16,7 @@ import (
 	"strings"
 	"sync"
 	"testing"
+	"time"
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/stretchr/testify/assert"
@@ -19,7 +24,9 @@ import (
 
 	"github.com/go-task/task/v3"
 	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/internal/experiments"
 	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
@@ -60,17 +67,19 @@ func (fct fileContentTest) Run(t *testing.T) {
 	for f := range fct.Files {
 		_ = os.Remove(filepathext.SmartJoin(fct.Dir, f))
 	}
-
 	e := &task.Executor{
-		Dir:        fct.Dir,
-		TempDir:    filepathext.SmartJoin(fct.Dir, ".task"),
+		Dir: fct.Dir,
+		TempDir: task.TempDir{
+			Remote:      filepathext.SmartJoin(fct.Dir, ".task"),
+			Fingerprint: filepathext.SmartJoin(fct.Dir, ".task"),
+		},
 		Entrypoint: fct.Entrypoint,
 		Stdout:     io.Discard,
 		Stderr:     io.Discard,
 	}
+
 	require.NoError(t, e.Setup(), "e.Setup()")
 	require.NoError(t, e.Run(context.Background(), &ast.Call{Task: fct.Target}), "e.Run(target)")
-
 	for name, expectContent := range fct.Files {
 		t.Run(fct.name(name), func(t *testing.T) {
 			path := filepathext.SmartJoin(e.Dir, name)
@@ -105,6 +114,7 @@ func TestEmptyTaskfile(t *testing.T) {
 }
 
 func TestEnv(t *testing.T) {
+	t.Setenv("QUX", "from_os")
 	tt := fileContentTest{
 		Dir:       "testdata/env",
 		Target:    "default",
@@ -113,9 +123,21 @@ func TestEnv(t *testing.T) {
 			"local.txt":         "GOOS='linux' GOARCH='amd64' CGO_ENABLED='0'\n",
 			"global.txt":        "FOO='foo' BAR='overriden' BAZ='baz'\n",
 			"multiple_type.txt": "FOO='1' BAR='true' BAZ='1.1'\n",
+			"not-overriden.txt": "QUX='from_os'\n",
 		},
 	}
 	tt.Run(t)
+	t.Setenv("TASK_X_ENV_PRECEDENCE", "1")
+	experiments.EnvPrecedence = experiments.New("ENV_PRECEDENCE")
+	ttt := fileContentTest{
+		Dir:       "testdata/env",
+		Target:    "overriden",
+		TrimSpace: false,
+		Files: map[string]string{
+			"overriden.txt": "QUX='from_taskfile'\n",
+		},
+	}
+	ttt.Run(t)
 }
 
 func TestVars(t *testing.T) {
@@ -133,6 +155,39 @@ func TestVars(t *testing.T) {
 	tt.Run(t)
 }
 
+func TestRequires(t *testing.T) {
+	const dir = "testdata/requires"
+
+	var buff bytes.Buffer
+	e := &task.Executor{
+		Dir:    dir,
+		Stdout: &buff,
+		Stderr: &buff,
+	}
+
+	require.NoError(t, e.Setup())
+	require.ErrorContains(t, e.Run(context.Background(), &ast.Call{Task: "missing-var"}), "task: Task \"missing-var\" cancelled because it is missing required variables: foo")
+	buff.Reset()
+	require.NoError(t, e.Setup())
+
+	vars := &ast.Vars{}
+	vars.Set("foo", ast.Var{Value: "bar"})
+	require.NoError(t, e.Run(context.Background(), &ast.Call{
+		Task: "missing-var",
+		Vars: vars,
+	}))
+	buff.Reset()
+
+	require.NoError(t, e.Setup())
+	require.ErrorContains(t, e.Run(context.Background(), &ast.Call{Task: "validation-var", Vars: vars}), "task: Task \"validation-var\" cancelled because it is missing required variables:\n  - foo has an invalid value : 'bar' (allowed values : [one two])")
+	buff.Reset()
+
+	require.NoError(t, e.Setup())
+	vars.Set("foo", ast.Var{Value: "one"})
+	require.NoError(t, e.Run(context.Background(), &ast.Call{Task: "validation-var", Vars: vars}))
+	buff.Reset()
+}
+
 func TestSpecialVars(t *testing.T) {
 	const dir = "testdata/special_vars"
 	const subdir = "testdata/special_vars/subdir"
@@ -272,11 +327,14 @@ func TestStatus(t *testing.T) {
 
 	var buff bytes.Buffer
 	e := &task.Executor{
-		Dir:     dir,
-		TempDir: filepathext.SmartJoin(dir, ".task"),
-		Stdout:  &buff,
-		Stderr:  &buff,
-		Silent:  true,
+		Dir: dir,
+		TempDir: task.TempDir{
+			Remote:      filepathext.SmartJoin(dir, ".task"),
+			Fingerprint: filepathext.SmartJoin(dir, ".task"),
+		},
+		Stdout: &buff,
+		Stderr: &buff,
+		Silent: true,
 	}
 	require.NoError(t, e.Setup())
 	// gen-foo creates foo.txt, and will always fail it's status check.
@@ -468,7 +526,10 @@ func TestStatusChecksum(t *testing.T) {
 			}
 
 			var buff bytes.Buffer
-			tempdir := filepathext.SmartJoin(dir, ".task")
+			tempdir := task.TempDir{
+				Remote:      filepathext.SmartJoin(dir, ".task"),
+				Fingerprint: filepathext.SmartJoin(dir, ".task"),
+			}
 			e := task.Executor{
 				Dir:     dir,
 				TempDir: tempdir,
@@ -485,7 +546,7 @@ func TestStatusChecksum(t *testing.T) {
 
 			// Capture the modification time, so we can ensure the checksum file
 			// is not regenerated when the hash hasn't changed.
-			s, err := os.Stat(filepathext.SmartJoin(tempdir, "checksum/"+test.task))
+			s, err := os.Stat(filepathext.SmartJoin(tempdir.Fingerprint, "checksum/"+test.task))
 			require.NoError(t, err)
 			time := s.ModTime()
 
@@ -493,7 +554,7 @@ func TestStatusChecksum(t *testing.T) {
 			require.NoError(t, e.Run(context.Background(), &ast.Call{Task: test.task}))
 			assert.Equal(t, `task: Task "`+test.task+`" is up to date`+"\n", buff.String())
 
-			s, err = os.Stat(filepathext.SmartJoin(tempdir, "checksum/"+test.task))
+			s, err = os.Stat(filepathext.SmartJoin(tempdir.Fingerprint, "checksum/"+test.task))
 			require.NoError(t, err)
 			assert.Equal(t, time, s.ModTime())
 		})
@@ -803,7 +864,8 @@ func TestListDescInterpolation(t *testing.T) {
 		t.Error(err)
 	}
 
-	assert.Contains(t, buff.String(), "bar")
+	assert.Contains(t, buff.String(), "foo-var")
+	assert.Contains(t, buff.String(), "bar-var")
 }
 
 func TestStatusVariables(t *testing.T) {
@@ -814,8 +876,11 @@ func TestStatusVariables(t *testing.T) {
 
 	var buff bytes.Buffer
 	e := task.Executor{
-		Dir:     dir,
-		TempDir: filepathext.SmartJoin(dir, ".task"),
+		Dir: dir,
+		TempDir: task.TempDir{
+			Remote:      filepathext.SmartJoin(dir, ".task"),
+			Fingerprint: filepathext.SmartJoin(dir, ".task"),
+		},
 		Stdout:  &buff,
 		Stderr:  &buff,
 		Silent:  false,
@@ -963,11 +1028,14 @@ func TestDryChecksum(t *testing.T) {
 	_ = os.Remove(checksumFile)
 
 	e := task.Executor{
-		Dir:     dir,
-		TempDir: filepathext.SmartJoin(dir, ".task"),
-		Stdout:  io.Discard,
-		Stderr:  io.Discard,
-		Dry:     true,
+		Dir: dir,
+		TempDir: task.TempDir{
+			Remote:      filepathext.SmartJoin(dir, ".task"),
+			Fingerprint: filepathext.SmartJoin(dir, ".task"),
+		},
+		Stdout: io.Discard,
+		Stderr: io.Discard,
+		Dry:    true,
 	}
 	require.NoError(t, e.Setup())
 	require.NoError(t, e.Run(context.Background(), &ast.Call{Task: "default"}))
@@ -1013,6 +1081,107 @@ func TestIncludesMultiLevel(t *testing.T) {
 	tt.Run(t)
 }
 
+func TestIncludesRemote(t *testing.T) {
+	enableExperimentForTest(t, &experiments.RemoteTaskfiles, "1")
+
+	dir := "testdata/includes_remote"
+
+	srv := httptest.NewServer(http.FileServer(http.Dir(dir)))
+	defer srv.Close()
+
+	tcs := []struct {
+		firstRemote  string
+		secondRemote string
+	}{
+		{
+			firstRemote:  srv.URL + "/first/Taskfile.yml",
+			secondRemote: srv.URL + "/first/second/Taskfile.yml",
+		},
+		{
+			firstRemote:  srv.URL + "/first/Taskfile.yml",
+			secondRemote: "./second/Taskfile.yml",
+		},
+	}
+
+	tasks := []string{
+		"first:write-file",
+		"first:second:write-file",
+	}
+
+	for i, tc := range tcs {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			t.Setenv("FIRST_REMOTE_URL", tc.firstRemote)
+			t.Setenv("SECOND_REMOTE_URL", tc.secondRemote)
+
+			var buff SyncBuffer
+
+			executors := []struct {
+				name     string
+				executor *task.Executor
+			}{
+				{
+					name: "online, always download",
+					executor: &task.Executor{
+						Dir:      dir,
+						Stdout:   &buff,
+						Stderr:   &buff,
+						Timeout:  time.Minute,
+						Insecure: true,
+						Logger:   &logger.Logger{Stdout: &buff, Stderr: &buff, Verbose: true},
+
+						// Without caching
+						AssumeYes: true,
+						Download:  true,
+					},
+				},
+				{
+					name: "offline, use cache",
+					executor: &task.Executor{
+						Dir:      dir,
+						Stdout:   &buff,
+						Stderr:   &buff,
+						Timeout:  time.Minute,
+						Insecure: true,
+						Logger:   &logger.Logger{Stdout: &buff, Stderr: &buff, Verbose: true},
+
+						// With caching
+						AssumeYes: false,
+						Download:  false,
+						Offline:   true,
+					},
+				},
+			}
+
+			for j, e := range executors {
+				t.Run(fmt.Sprint(j), func(t *testing.T) {
+					require.NoError(t, e.executor.Setup())
+
+					for k, task := range tasks {
+						t.Run(task, func(t *testing.T) {
+							expectedContent := fmt.Sprint(rand.Int64())
+							t.Setenv("CONTENT", expectedContent)
+
+							outputFile := fmt.Sprintf("%d.%d.txt", i, k)
+							t.Setenv("OUTPUT_FILE", outputFile)
+
+							path := filepath.Join(dir, outputFile)
+							require.NoError(t, os.RemoveAll(path))
+
+							require.NoError(t, e.executor.Run(context.Background(), &ast.Call{Task: task}))
+
+							actualContent, err := os.ReadFile(path)
+							require.NoError(t, err)
+							assert.Equal(t, expectedContent, strings.TrimSpace(string(actualContent)))
+						})
+					}
+				})
+			}
+
+			t.Log("\noutput:\n", buff.buf.String())
+		})
+	}
+}
+
 func TestIncludeCycle(t *testing.T) {
 	const dir = "testdata/includes_cycle"
 
@@ -1042,7 +1211,7 @@ func TestIncludesIncorrect(t *testing.T) {
 
 	err := e.Setup()
 	require.Error(t, err)
-	assert.Contains(t, err.Error(), "task: Failed to parse testdata/includes_incorrect/incomplete.yml:")
+	assert.Contains(t, err.Error(), "Failed to parse testdata/includes_incorrect/incomplete.yml:", err.Error())
 }
 
 func TestIncludesEmptyMain(t *testing.T) {
@@ -1057,6 +1226,88 @@ func TestIncludesEmptyMain(t *testing.T) {
 	tt.Run(t)
 }
 
+func TestIncludesHttp(t *testing.T) {
+	enableExperimentForTest(t, &experiments.RemoteTaskfiles, "1")
+
+	dir, err := filepath.Abs("testdata/includes_http")
+	require.NoError(t, err)
+
+	srv := httptest.NewServer(http.FileServer(http.Dir(dir)))
+	defer srv.Close()
+
+	t.Cleanup(func() {
+		// This test fills the .task/remote directory with cache entries because the include URL
+		// is different on every test due to the dynamic nature of the TCP port in srv.URL
+		if err := os.RemoveAll(filepath.Join(dir, ".task")); err != nil {
+			t.Logf("error cleaning up: %s", err)
+		}
+	})
+
+	taskfiles, err := fs.Glob(os.DirFS(dir), "root-taskfile-*.yml")
+	require.NoError(t, err)
+
+	remotes := []struct {
+		name string
+		root string
+	}{
+		{
+			name: "local",
+			root: ".",
+		},
+		{
+			name: "http-remote",
+			root: srv.URL,
+		},
+	}
+
+	for _, taskfile := range taskfiles {
+		t.Run(taskfile, func(t *testing.T) {
+			for _, remote := range remotes {
+				t.Run(remote.name, func(t *testing.T) {
+					t.Setenv("INCLUDE_ROOT", remote.root)
+					entrypoint := filepath.Join(dir, taskfile)
+
+					var buff SyncBuffer
+					e := task.Executor{
+						Entrypoint: entrypoint,
+						Dir:        dir,
+						Stdout:     &buff,
+						Stderr:     &buff,
+						Insecure:   true,
+						Download:   true,
+						AssumeYes:  true,
+						Logger:     &logger.Logger{Stdout: &buff, Stderr: &buff, Verbose: true},
+						Timeout:    time.Minute,
+					}
+					require.NoError(t, e.Setup())
+					defer func() { t.Log("output:", buff.buf.String()) }()
+
+					tcs := []struct {
+						name, dir string
+					}{
+						{
+							name: "second-with-dir-1:third-with-dir-1:default",
+							dir:  filepath.Join(dir, "dir-1"),
+						},
+						{
+							name: "second-with-dir-1:third-with-dir-2:default",
+							dir:  filepath.Join(dir, "dir-2"),
+						},
+					}
+
+					for _, tc := range tcs {
+						t.Run(tc.name, func(t *testing.T) {
+							task, err := e.CompiledTask(&ast.Call{Task: tc.name})
+							require.NoError(t, err)
+							assert.Equal(t, tc.dir, task.Dir)
+						})
+					}
+				})
+			}
+		})
+	}
+}
+
 func TestIncludesDependencies(t *testing.T) {
 	tt := fileContentTest{
 		Dir:       "testdata/includes_deps",
@@ -1201,6 +1452,45 @@ func TestIncludesInternal(t *testing.T) {
 	}
 }
 
+func TestIncludesFlatten(t *testing.T) {
+	const dir = "testdata/includes_flatten"
+	tests := []struct {
+		name           string
+		taskfile       string
+		task           string
+		expectedErr    bool
+		expectedOutput string
+	}{
+		{name: "included flatten", taskfile: "Taskfile.yml", task: "gen", expectedOutput: "gen from included\n"},
+		{name: "included flatten with default", taskfile: "Taskfile.yml", task: "default", expectedOutput: "default from included flatten\n"},
+		{name: "included flatten can call entrypoint tasks", taskfile: "Taskfile.yml", task: "from_entrypoint", expectedOutput: "from entrypoint\n"},
+		{name: "included flatten with deps", taskfile: "Taskfile.yml", task: "with_deps", expectedOutput: "gen from included\nwith_deps from included\n"},
+		{name: "included flatten nested", taskfile: "Taskfile.yml", task: "from_nested", expectedOutput: "from nested\n"},
+		{name: "included flatten multiple same task", taskfile: "Taskfile.multiple.yml", task: "gen", expectedErr: true, expectedOutput: "task: Found multiple tasks (gen) included by \"included\"\""},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			var buff bytes.Buffer
+			e := task.Executor{
+				Dir:        dir,
+				Entrypoint: dir + "/" + test.taskfile,
+				Stdout:     &buff,
+				Stderr:     &buff,
+				Silent:     true,
+			}
+			err := e.Setup()
+			if test.expectedErr {
+				assert.EqualError(t, err, test.expectedOutput)
+			} else {
+				require.NoError(t, err)
+				_ = e.Run(context.Background(), &ast.Call{Task: test.task})
+				assert.Equal(t, test.expectedOutput, buff.String())
+			}
+		})
+	}
+}
+
 func TestIncludesInterpolation(t *testing.T) {
 	const dir = "testdata/includes_interpolation"
 	tests := []struct {
@@ -1589,6 +1879,18 @@ func TestDotenvHasEnvVarInPath(t *testing.T) {
 	tt.Run(t)
 }
 
+func TestTaskDotenvParseErrorMessage(t *testing.T) {
+	e := task.Executor{
+		Dir: "testdata/dotenv/parse_error",
+	}
+
+	path, _ := filepath.Abs(filepath.Join(e.Dir, ".env-with-error"))
+	expected := fmt.Sprintf("error reading env file %s:", path)
+
+	err := e.Setup()
+	require.ErrorContains(t, err, expected)
+}
+
 func TestTaskDotenv(t *testing.T) {
 	tt := fileContentTest{
 		Dir:       "testdata/dotenv_task/default",
@@ -1664,6 +1966,26 @@ func TestRunOnlyRunsJobsHashOnce(t *testing.T) {
 	tt.Run(t)
 }
 
+func TestRunOnceSharedDeps(t *testing.T) {
+	const dir = "testdata/run_once_shared_deps"
+
+	var buff bytes.Buffer
+	e := task.Executor{
+		Dir:      dir,
+		Stdout:   &buff,
+		Stderr:   &buff,
+		ForceAll: true,
+	}
+	require.NoError(t, e.Setup())
+	require.NoError(t, e.Run(context.Background(), &ast.Call{Task: "build"}))
+
+	rx := regexp.MustCompile(`task: \[service-[a,b]:library:build\] echo "build library"`)
+	matches := rx.FindAllStringSubmatch(buff.String(), -1)
+	assert.Len(t, matches, 1)
+	assert.Contains(t, buff.String(), `task: [service-a:build] echo "build a"`)
+	assert.Contains(t, buff.String(), `task: [service-b:build] echo "build b"`)
+}
+
 func TestDeferredCmds(t *testing.T) {
 	const dir = "testdata/deferred"
 	var buff bytes.Buffer
@@ -1689,6 +2011,34 @@ task-1 ran successfully
 	assert.Contains(t, buff.String(), expectedOutputOrder)
 }
 
+func TestExitCodeZero(t *testing.T) {
+	const dir = "testdata/exit_code"
+	var buff bytes.Buffer
+	e := task.Executor{
+		Dir:    dir,
+		Stdout: &buff,
+		Stderr: &buff,
+	}
+	require.NoError(t, e.Setup())
+
+	require.NoError(t, e.Run(context.Background(), &ast.Call{Task: "exit-zero"}))
+	assert.Equal(t, "FOO=bar - DYNAMIC_FOO=bar - EXIT_CODE=", strings.TrimSpace(buff.String()))
+}
+
+func TestExitCodeOne(t *testing.T) {
+	const dir = "testdata/exit_code"
+	var buff bytes.Buffer
+	e := task.Executor{
+		Dir:    dir,
+		Stdout: &buff,
+		Stderr: &buff,
+	}
+	require.NoError(t, e.Setup())
+
+	require.Error(t, e.Run(context.Background(), &ast.Call{Task: "exit-one"}))
+	assert.Equal(t, "FOO=bar - DYNAMIC_FOO=bar - EXIT_CODE=1", strings.TrimSpace(buff.String()))
+}
+
 func TestIgnoreNilElements(t *testing.T) {
 	tests := []struct {
 		name string
@@ -2260,6 +2610,10 @@ func TestForCmds(t *testing.T) {
 			name:           "loop-explicit",
 			expectedOutput: "a\nb\nc\n",
 		},
+		{
+			name:           "loop-matrix",
+			expectedOutput: "windows/amd64\nwindows/arm64\nlinux/amd64\nlinux/arm64\ndarwin/amd64\ndarwin/arm64\n",
+		},
 		{
 			name:           "loop-sources",
 			expectedOutput: "bar\nfoo\n",
@@ -2317,6 +2671,17 @@ func TestForDeps(t *testing.T) {
 			name:                   "loop-explicit",
 			expectedOutputContains: []string{"a\n", "b\n", "c\n"},
 		},
+		{
+			name: "loop-matrix",
+			expectedOutputContains: []string{
+				"windows/amd64\n",
+				"windows/arm64\n",
+				"linux/amd64\n",
+				"linux/arm64\n",
+				"darwin/amd64\n",
+				"darwin/arm64\n",
+			},
+		},
 		{
 			name:                   "loop-sources",
 			expectedOutputContains: []string{"bar\n", "foo\n"},
@@ -2357,6 +2722,8 @@ func TestForDeps(t *testing.T) {
 				Stderr: &buff,
 				Silent: true,
 				Force:  true,
+				// Force output of each dep to be grouped together to prevent interleaving
+				OutputStyle: ast.Output{Name: "group"},
 			}
 			require.NoError(t, e.Setup())
 			require.NoError(t, e.Run(context.Background(), &ast.Call{Task: test.name}))
@@ -2426,3 +2793,63 @@ func TestWildcard(t *testing.T) {
 		})
 	}
 }
+
+func TestReference(t *testing.T) {
+	tests := []struct {
+		name           string
+		call           string
+		expectedOutput string
+	}{
+		{
+			name:           "reference in command",
+			call:           "ref-cmd",
+			expectedOutput: "1\n",
+		},
+		{
+			name:           "reference in dependency",
+			call:           "ref-dep",
+			expectedOutput: "1\n",
+		},
+		{
+			name:           "reference using templating resolver",
+			call:           "ref-resolver",
+			expectedOutput: "1\n",
+		},
+		{
+			name:           "reference using templating resolver and dynamic var",
+			call:           "ref-resolver-sh",
+			expectedOutput: "Alice has 3 children called Bob, Charlie, and Diane\n",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.call, func(t *testing.T) {
+			var buff bytes.Buffer
+			e := task.Executor{
+				Dir:    "testdata/var_references",
+				Stdout: &buff,
+				Stderr: &buff,
+				Silent: true,
+				Force:  true,
+			}
+			require.NoError(t, e.Setup())
+			require.NoError(t, e.Run(context.Background(), &ast.Call{Task: test.call}))
+			assert.Equal(t, test.expectedOutput, buff.String())
+		})
+	}
+}
+
+// enableExperimentForTest enables the experiment behind pointer e for the duration of test t and sub-tests,
+// with the experiment being restored to its previous state when tests complete.
+//
+// Typically experiments are controlled via TASK_X_ env vars, but we cannot use those in tests
+// because the experiment settings are parsed during experiments.init(), before any tests run.
+func enableExperimentForTest(t *testing.T, e *experiments.Experiment, val string) {
+	prev := *e
+	*e = experiments.Experiment{
+		Name:    prev.Name,
+		Enabled: true,
+		Value:   val,
+	}
+	t.Cleanup(func() { *e = prev })
+}

taskfile/ast/cmd.go

@@ -1,10 +1,9 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"
 )
 
@@ -46,7 +45,7 @@ func (c *Cmd) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var cmd string
 		if err := node.Decode(&cmd); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		c.Cmd = cmd
 		return nil
@@ -110,8 +109,8 @@ func (c *Cmd) UnmarshalYAML(node *yaml.Node) error {
 			return nil
 		}
 
-		return fmt.Errorf("yaml: line %d: invalid keys in command", node.Line)
+		return errors.NewTaskfileDecodeError(nil, node).WithMessage("invalid keys in command")
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into command", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("command")
 }

taskfile/ast/dep.go

@@ -1,9 +1,9 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
 )
 
 // Dep is a task dependency
@@ -32,7 +32,7 @@ func (d *Dep) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var task string
 		if err := node.Decode(&task); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		d.Task = task
 		return nil
@@ -45,7 +45,7 @@ func (d *Dep) UnmarshalYAML(node *yaml.Node) error {
 			Silent bool
 		}
 		if err := node.Decode(&taskCall); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		d.Task = taskCall.Task
 		d.For = taskCall.For
@@ -54,5 +54,5 @@ func (d *Dep) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("cannot unmarshal %s into dependency", node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("dependency")
 }

taskfile/ast/for.go

@@ -1,19 +1,20 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"
+	"github.com/go-task/task/v3/internal/omap"
 )
 
 type For struct {
-	From  string
-	List  []any
-	Var   string
-	Split string
-	As    string
+	From   string
+	List   []any
+	Matrix omap.OrderedMap[string, []any]
+	Var    string
+	Split  string
+	As     string
 }
 
 func (f *For) UnmarshalYAML(node *yaml.Node) error {
@@ -22,7 +23,7 @@ func (f *For) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var from string
 		if err := node.Decode(&from); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		f.From = from
 		return nil
@@ -30,28 +31,35 @@ func (f *For) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.SequenceNode:
 		var list []any
 		if err := node.Decode(&list); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		f.List = list
 		return nil
 
 	case yaml.MappingNode:
 		var forStruct struct {
-			Var   string
-			Split string
-			As    string
+			Matrix omap.OrderedMap[string, []any]
+			Var    string
+			Split  string
+			As     string
 		}
-		if err := node.Decode(&forStruct); err == nil && forStruct.Var != "" {
-			f.Var = forStruct.Var
-			f.Split = forStruct.Split
-			f.As = forStruct.As
-			return nil
+		if err := node.Decode(&forStruct); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
 		}
-
-		return fmt.Errorf("yaml: line %d: invalid keys in for", node.Line)
+		if forStruct.Var == "" && forStruct.Matrix.Len() == 0 {
+			return errors.NewTaskfileDecodeError(nil, node).WithMessage("invalid keys in for")
+		}
+		if forStruct.Var != "" && forStruct.Matrix.Len() != 0 {
+			return errors.NewTaskfileDecodeError(nil, node).WithMessage("cannot use both var and matrix in for")
+		}
+		f.Matrix = forStruct.Matrix
+		f.Var = forStruct.Var
+		f.Split = forStruct.Split
+		f.As = forStruct.As
+		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into for", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("for")
 }
 
 func (f *For) DeepCopy() *For {
@@ -59,10 +67,11 @@ func (f *For) DeepCopy() *For {
 		return nil
 	}
 	return &For{
-		From:  f.From,
-		List:  deepcopy.Slice(f.List),
-		Var:   f.Var,
-		Split: f.Split,
-		As:    f.As,
+		From:   f.From,
+		List:   deepcopy.Slice(f.List),
+		Matrix: f.Matrix.DeepCopy(),
+		Var:    f.Var,
+		Split:  f.Split,
+		As:     f.As,
 	}
 }

taskfile/ast/glob.go

@@ -1,9 +1,9 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
 )
 
 type Glob struct {
@@ -13,20 +13,22 @@ type Glob struct {
 
 func (g *Glob) UnmarshalYAML(node *yaml.Node) error {
 	switch node.Kind {
+
 	case yaml.ScalarNode:
 		g.Glob = node.Value
 		return nil
+
 	case yaml.MappingNode:
 		var glob struct {
 			Exclude string
 		}
 		if err := node.Decode(&glob); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		g.Glob = glob.Exclude
 		g.Negate = true
 		return nil
-	default:
-		return fmt.Errorf("yaml: line %d: cannot unmarshal %s into task", node.Line, node.ShortTag())
 	}
+
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("glob")
 }

taskfile/ast/include.go

@@ -1,10 +1,9 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	omap "github.com/go-task/task/v3/internal/omap"
 )
 
@@ -18,6 +17,7 @@ type Include struct {
 	Aliases        []string
 	AdvancedImport bool
 	Vars           *Vars
+	Flatten        bool
 }
 
 // Includes represents information about included tasksfiles
@@ -38,7 +38,7 @@ func (includes *Includes) UnmarshalYAML(node *yaml.Node) error {
 
 			var v Include
 			if err := valueNode.Decode(&v); err != nil {
-				return err
+				return errors.NewTaskfileDecodeError(err, node)
 			}
 			v.Namespace = keyNode.Value
 			includes.Set(keyNode.Value, &v)
@@ -46,7 +46,7 @@ func (includes *Includes) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into included taskfiles", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("includes")
 }
 
 // Len returns the length of the map
@@ -71,7 +71,7 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var str string
 		if err := node.Decode(&str); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		include.Taskfile = str
 		return nil
@@ -82,11 +82,12 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 			Dir      string
 			Optional bool
 			Internal bool
+			Flatten  bool
 			Aliases  []string
 			Vars     *Vars
 		}
 		if err := node.Decode(&includedTaskfile); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		include.Taskfile = includedTaskfile.Taskfile
 		include.Dir = includedTaskfile.Dir
@@ -95,10 +96,11 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 		include.Aliases = includedTaskfile.Aliases
 		include.AdvancedImport = true
 		include.Vars = includedTaskfile.Vars
+		include.Flatten = includedTaskfile.Flatten
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into included taskfile", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("include")
 }
 
 // DeepCopy creates a new instance of IncludedTaskfile and copies
@@ -115,5 +117,6 @@ func (include *Include) DeepCopy() *Include {
 		Internal:       include.Internal,
 		AdvancedImport: include.AdvancedImport,
 		Vars:           include.Vars.DeepCopy(),
+		Flatten:        include.Flatten,
 	}
 }

taskfile/ast/output.go

@@ -1,9 +1,9 @@
 package ast
 
 import (
-	"fmt"
-
 	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
 )
 
 // Output of the Task output
@@ -25,7 +25,7 @@ func (s *Output) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var name string
 		if err := node.Decode(&name); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		s.Name = name
 		return nil
@@ -35,10 +35,10 @@ func (s *Output) UnmarshalYAML(node *yaml.Node) error {
 			Group *OutputGroup
 		}
 		if err := node.Decode(&tmp); err != nil {
-			return fmt.Errorf("task: output style must be a string or mapping with a \"group\" key: %w", err)
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		if tmp.Group == nil {
-			return fmt.Errorf("task: output style must have the \"group\" key when in mapping form")
+			return errors.NewTaskfileDecodeError(nil, node).WithMessage(`output style must have the "group" key when in mapping form`)
 		}
 		*s = Output{
 			Name:  "group",
@@ -47,7 +47,7 @@ func (s *Output) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into output", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("output")
 }
 
 // OutputGroup is the style options specific to the Group style.

taskfile/ast/platforms.go

@@ -6,6 +6,7 @@ import (
 
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/goext"
 )
 
@@ -30,7 +31,7 @@ type ErrInvalidPlatform struct {
 }
 
 func (err *ErrInvalidPlatform) Error() string {
-	return fmt.Sprintf(`task: Invalid platform "%s"`, err.Platform)
+	return fmt.Sprintf(`invalid platform "%s"`, err.Platform)
 }
 
 // UnmarshalYAML implements yaml.Unmarshaler interface.
@@ -39,14 +40,14 @@ func (p *Platform) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var platform string
 		if err := node.Decode(&platform); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		if err := p.parsePlatform(platform); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		return nil
 	}
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into platform", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("platform")
 }
 
 // parsePlatform takes a string representing an OS/Arch combination (or either on their own)

taskfile/ast/platforms_test.go

@@ -26,10 +26,10 @@ func TestPlatformParsing(t *testing.T) {
 		{Input: "windows/amd64", ExpectedOS: "windows", ExpectedArch: "amd64"},
 		{Input: "windows/arm64", ExpectedOS: "windows", ExpectedArch: "arm64"},
 
-		{Input: "invalid", Error: `task: Invalid platform "invalid"`},
-		{Input: "invalid/invalid", Error: `task: Invalid platform "invalid/invalid"`},
-		{Input: "windows/invalid", Error: `task: Invalid platform "windows/invalid"`},
-		{Input: "invalid/amd64", Error: `task: Invalid platform "invalid/amd64"`},
+		{Input: "invalid", Error: `invalid platform "invalid"`},
+		{Input: "invalid/invalid", Error: `invalid platform "invalid/invalid"`},
+		{Input: "windows/invalid", Error: `invalid platform "windows/invalid"`},
+		{Input: "invalid/amd64", Error: `invalid platform "invalid/amd64"`},
 	}
 
 	for _, test := range tests {

taskfile/ast/precondition.go

@@ -1,14 +1,12 @@
 package ast
 
 import (
-	"errors"
 	"fmt"
 
 	"gopkg.in/yaml.v3"
-)
 
-// ErrCantUnmarshalPrecondition is returned for invalid precond YAML.
-var ErrCantUnmarshalPrecondition = errors.New("task: Can't unmarshal precondition value")
+	"github.com/go-task/task/v3/errors"
+)
 
 // Precondition represents a precondition necessary for a task to run
 type Precondition struct {
@@ -33,7 +31,7 @@ func (p *Precondition) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var cmd string
 		if err := node.Decode(&cmd); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		p.Sh = cmd
 		p.Msg = fmt.Sprintf("`%s` failed", cmd)
@@ -45,7 +43,7 @@ func (p *Precondition) UnmarshalYAML(node *yaml.Node) error {
 			Msg string
 		}
 		if err := node.Decode(&sh); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		p.Sh = sh.Sh
 		p.Msg = sh.Msg
@@ -55,5 +53,5 @@ func (p *Precondition) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into precondition", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("precondition")
 }

taskfile/ast/prompt.go

@@ -0,0 +1,29 @@
+package ast
+
+import (
+	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
+)
+
+type Prompt []string
+
+func (p *Prompt) UnmarshalYAML(node *yaml.Node) error {
+	switch node.Kind {
+	case yaml.ScalarNode:
+		var str string
+		if err := node.Decode(&str); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		*p = []string{str}
+		return nil
+	case yaml.SequenceNode:
+		var list []string
+		if err := node.Decode(&list); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		*p = list
+		return nil
+	}
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("prompt")
+}

taskfile/ast/requires.go

@@ -1,10 +1,15 @@
 package ast
 
-import "github.com/go-task/task/v3/internal/deepcopy"
+import (
+	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/internal/deepcopy"
+)
 
 // Requires represents a set of required variables necessary for a task to run
 type Requires struct {
-	Vars []string
+	Vars []*VarsWithValidation
 }
 
 func (r *Requires) DeepCopy() *Requires {
@@ -16,3 +21,47 @@ func (r *Requires) DeepCopy() *Requires {
 		Vars: deepcopy.Slice(r.Vars),
 	}
 }
+
+type VarsWithValidation struct {
+	Name string
+	Enum []string
+}
+
+func (v *VarsWithValidation) DeepCopy() *VarsWithValidation {
+	if v == nil {
+		return nil
+	}
+	return &VarsWithValidation{
+		Name: v.Name,
+		Enum: v.Enum,
+	}
+}
+
+// UnmarshalYAML implements yaml.Unmarshaler interface.
+func (v *VarsWithValidation) UnmarshalYAML(node *yaml.Node) error {
+	switch node.Kind {
+
+	case yaml.ScalarNode:
+		var cmd string
+		if err := node.Decode(&cmd); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		v.Name = cmd
+		v.Enum = nil
+		return nil
+
+	case yaml.MappingNode:
+		var vv struct {
+			Name string
+			Enum []string
+		}
+		if err := node.Decode(&vv); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		v.Name = vv.Name
+		v.Enum = vv.Enum
+		return nil
+	}
+
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("requires")
+}

taskfile/ast/task.go

@@ -7,42 +7,45 @@ import (
 
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"
 )
 
 // Task represents a task
 type Task struct {
-	Task                 string
-	Cmds                 []*Cmd
-	Deps                 []*Dep
-	Label                string
-	Desc                 string
-	Prompt               string
-	Summary              string
-	Requires             *Requires
-	Aliases              []string
-	Sources              []*Glob
-	Generates            []*Glob
-	Status               []string
-	Preconditions        []*Precondition
-	Dir                  string
-	Set                  []string
-	Shopt                []string
-	Vars                 *Vars
-	Env                  *Vars
-	Dotenv               []string
-	Silent               bool
-	Interactive          bool
-	Internal             bool
-	Method               string
-	Prefix               string
-	IgnoreError          bool
-	Run                  string
+	Task          string
+	Cmds          []*Cmd
+	Deps          []*Dep
+	Label         string
+	Desc          string
+	Prompt        Prompt
+	Summary       string
+	Requires      *Requires
+	Aliases       []string
+	Sources       []*Glob
+	Generates     []*Glob
+	Status        []string
+	Preconditions []*Precondition
+	Dir           string
+	Set           []string
+	Shopt         []string
+	Vars          *Vars
+	Env           *Vars
+	Dotenv        []string
+	Silent        bool
+	Interactive   bool
+	Internal      bool
+	Method        string
+	Prefix        string
+	IgnoreError   bool
+	Run           string
+	Platforms     []*Platform
+	Watch         bool
+	Location      *Location
+	// Populated during merging
+	Namespace            string
 	IncludeVars          *Vars
 	IncludedTaskfileVars *Vars
-	Platforms            []*Platform
-	Location             *Location
-	Watch                bool
 }
 
 func (t *Task) Name() string {
@@ -52,6 +55,13 @@ func (t *Task) Name() string {
 	return t.Task
 }
 
+func (t *Task) LocalName() string {
+	name := t.Task
+	name = strings.TrimPrefix(name, t.Namespace)
+	name = strings.TrimPrefix(name, ":")
+	return name
+}
+
 // WildcardMatch will check if the given string matches the name of the Task and returns any wildcard values.
 func (t *Task) WildcardMatch(name string) (bool, []string) {
 	// Convert the name into a regex string
@@ -83,7 +93,7 @@ func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.ScalarNode:
 		var cmd Cmd
 		if err := node.Decode(&cmd); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		t.Cmds = append(t.Cmds, &cmd)
 		return nil
@@ -92,7 +102,7 @@ func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.SequenceNode:
 		var cmds []*Cmd
 		if err := node.Decode(&cmds); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		t.Cmds = cmds
 		return nil
@@ -105,7 +115,7 @@ func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 			Deps          []*Dep
 			Label         string
 			Desc          string
-			Prompt        string
+			Prompt        Prompt
 			Summary       string
 			Aliases       []string
 			Sources       []*Glob
@@ -130,11 +140,11 @@ func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 			Watch         bool
 		}
 		if err := node.Decode(&task); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		if task.Cmd != nil {
 			if task.Cmds != nil {
-				return fmt.Errorf("yaml: line %d: task cannot have both cmd and cmds", node.Line)
+				return errors.NewTaskfileDecodeError(nil, node).WithMessage("task cannot have both cmd and cmds")
 			}
 			t.Cmds = []*Cmd{task.Cmd}
 		} else {
@@ -169,7 +179,7 @@ func (t *Task) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into task", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("task")
 }
 
 // DeepCopy creates a new instance of Task and copies
@@ -209,6 +219,7 @@ func (t *Task) DeepCopy() *Task {
 		Platforms:            deepcopy.Slice(t.Platforms),
 		Location:             t.Location.DeepCopy(),
 		Requires:             t.Requires.DeepCopy(),
+		Namespace:            t.Namespace,
 	}
 	return c
 }

taskfile/ast/taskfile.go

@@ -1,12 +1,13 @@
 package ast
 
 import (
-	"errors"
 	"fmt"
 	"time"
 
 	"github.com/Masterminds/semver/v3"
 	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
 )
 
 // NamespaceSeparator contains the character that separates namespaces
@@ -54,8 +55,7 @@ func (t1 *Taskfile) Merge(t2 *Taskfile, include *Include) error {
 	}
 	t1.Vars.Merge(t2.Vars, include)
 	t1.Env.Merge(t2.Env, include)
-	t1.Tasks.Merge(t2.Tasks, include, t1.Vars)
-	return nil
+	return t1.Tasks.Merge(t2.Tasks, include, t1.Vars)
 }
 
 func (tf *Taskfile) UnmarshalYAML(node *yaml.Node) error {
@@ -77,7 +77,7 @@ func (tf *Taskfile) UnmarshalYAML(node *yaml.Node) error {
 			Interval time.Duration
 		}
 		if err := node.Decode(&taskfile); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		tf.Version = taskfile.Version
 		tf.Output = taskfile.Output
@@ -101,5 +101,5 @@ func (tf *Taskfile) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into taskfile", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("taskfile")
 }

taskfile/ast/tasks.go

@@ -2,10 +2,12 @@ package ast
 
 import (
 	"fmt"
+	"slices"
 	"strings"
 
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/filepathext"
 	"github.com/go-task/task/v3/internal/omap"
 )
@@ -45,43 +47,48 @@ func (t *Tasks) FindMatchingTasks(call *Call) []*MatchingTask {
 	return matchingTasks
 }
 
-func (t1 *Tasks) Merge(t2 Tasks, include *Include, includedTaskfileVars *Vars) {
-	_ = t2.Range(func(k string, v *Task) error {
+func (t1 *Tasks) Merge(t2 Tasks, include *Include, includedTaskfileVars *Vars) error {
+	err := t2.Range(func(name string, v *Task) error {
 		// We do a deep copy of the task struct here to ensure that no data can
 		// be changed elsewhere once the taskfile is merged.
 		task := v.DeepCopy()
-
 		// Set the task to internal if EITHER the included task or the included
 		// taskfile are marked as internal
 		task.Internal = task.Internal || (include != nil && include.Internal)
-
-		// Add namespaces to task dependencies
-		for _, dep := range task.Deps {
-			if dep != nil && dep.Task != "" {
-				dep.Task = taskNameWithNamespace(dep.Task, include.Namespace)
-			}
-		}
-
-		// Add namespaces to task commands
-		for _, cmd := range task.Cmds {
-			if cmd != nil && cmd.Task != "" {
-				cmd.Task = taskNameWithNamespace(cmd.Task, include.Namespace)
-			}
-		}
-
-		// Add namespaces to task aliases
-		for i, alias := range task.Aliases {
-			task.Aliases[i] = taskNameWithNamespace(alias, include.Namespace)
-		}
-
-		// Add namespace aliases
-		if include != nil {
-			for _, namespaceAlias := range include.Aliases {
-				task.Aliases = append(task.Aliases, taskNameWithNamespace(task.Task, namespaceAlias))
-				for _, alias := range v.Aliases {
-					task.Aliases = append(task.Aliases, taskNameWithNamespace(alias, namespaceAlias))
+		taskName := name
+		if !include.Flatten {
+			// Add namespaces to task dependencies
+			for _, dep := range task.Deps {
+				if dep != nil && dep.Task != "" {
+					dep.Task = taskNameWithNamespace(dep.Task, include.Namespace)
 				}
 			}
+
+			// Add namespaces to task commands
+			for _, cmd := range task.Cmds {
+				if cmd != nil && cmd.Task != "" {
+					cmd.Task = taskNameWithNamespace(cmd.Task, include.Namespace)
+				}
+			}
+
+			// Add namespaces to task aliases
+			for i, alias := range task.Aliases {
+				task.Aliases[i] = taskNameWithNamespace(alias, include.Namespace)
+			}
+
+			// Add namespace aliases
+			if include != nil {
+				for _, namespaceAlias := range include.Aliases {
+					task.Aliases = append(task.Aliases, taskNameWithNamespace(task.Task, namespaceAlias))
+					for _, alias := range v.Aliases {
+						task.Aliases = append(task.Aliases, taskNameWithNamespace(alias, namespaceAlias))
+					}
+				}
+			}
+
+			taskName = taskNameWithNamespace(name, include.Namespace)
+			task.Namespace = include.Namespace
+			task.Task = taskName
 		}
 
 		if include.AdvancedImport {
@@ -93,24 +100,29 @@ func (t1 *Tasks) Merge(t2 Tasks, include *Include, includedTaskfileVars *Vars) {
 			task.IncludedTaskfileVars = includedTaskfileVars.DeepCopy()
 		}
 
+		if t1.Get(taskName) != nil {
+			return &errors.TaskNameFlattenConflictError{
+				TaskName: taskName,
+				Include:  include.Namespace,
+			}
+		}
 		// Add the task to the merged taskfile
-		taskNameWithNamespace := taskNameWithNamespace(k, include.Namespace)
-		task.Task = taskNameWithNamespace
-		t1.Set(taskNameWithNamespace, task)
+		t1.Set(taskName, task)
 
 		return nil
 	})
 
-	// If the included Taskfile has a default task and the parent namespace has
+	// If the included Taskfile has a default task, being not flattened and the parent namespace has
 	// no task with a matching name, we can add an alias so that the user can
 	// run the included Taskfile's default task without specifying its full
 	// name. If the parent namespace has aliases, we add another alias for each
 	// of them.
-	if t2.Get("default") != nil && t1.Get(include.Namespace) == nil {
+	if t2.Get("default") != nil && t1.Get(include.Namespace) == nil && !include.Flatten {
 		defaultTaskName := fmt.Sprintf("%s:default", include.Namespace)
 		t1.Get(defaultTaskName).Aliases = append(t1.Get(defaultTaskName).Aliases, include.Namespace)
-		t1.Get(defaultTaskName).Aliases = append(t1.Get(defaultTaskName).Aliases, include.Aliases...)
+		t1.Get(defaultTaskName).Aliases = slices.Concat(t1.Get(defaultTaskName).Aliases, include.Aliases)
 	}
+	return err
 }
 
 func (t *Tasks) UnmarshalYAML(node *yaml.Node) error {
@@ -118,7 +130,7 @@ func (t *Tasks) UnmarshalYAML(node *yaml.Node) error {
 	case yaml.MappingNode:
 		tasks := omap.New[string, *Task]()
 		if err := node.Decode(&tasks); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 
 		// nolint: errcheck
@@ -150,7 +162,7 @@ func (t *Tasks) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 	}
 
-	return fmt.Errorf("yaml: line %d: cannot unmarshal %s into tasks", node.Line, node.ShortTag())
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("tasks")
 }
 
 func taskNameWithNamespace(taskName string, namespace string) string {

taskfile/ast/var.go

@@ -1,11 +1,11 @@
 package ast
 
 import (
-	"fmt"
 	"strings"
 
 	"gopkg.in/yaml.v3"
 
+	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/experiments"
 	"github.com/go-task/task/v3/internal/omap"
 )
@@ -20,7 +20,7 @@ type Vars struct {
 func (vs *Vars) ToCacheMap() (m map[string]any) {
 	m = make(map[string]any, vs.Len())
 	_ = vs.Range(func(k string, v Var) error {
-		if v.Sh != "" {
+		if v.Sh != nil && *v.Sh != "" {
 			// Dynamic variable is not yet resolved; trigger
 			// <no value> to be used in templates.
 			return nil
@@ -81,10 +81,8 @@ func (vs *Vars) DeepCopy() *Vars {
 type Var struct {
 	Value any
 	Live  any
-	Sh    string
+	Sh    *string
 	Ref   string
-	Json  string
-	Yaml  string
 	Dir   string
 }
 
@@ -95,12 +93,16 @@ func (v *Var) UnmarshalYAML(node *yaml.Node) error {
 		if experiments.MapVariables.Value == "1" {
 			var value any
 			if err := node.Decode(&value); err != nil {
-				return err
+				return errors.NewTaskfileDecodeError(err, node)
 			}
 			// If the value is a string and it starts with $, then it's a shell command
 			if str, ok := value.(string); ok {
 				if str, ok = strings.CutPrefix(str, "$"); ok {
-					v.Sh = str
+					v.Sh = &str
+					return nil
+				}
+				if str, ok = strings.CutPrefix(str, "#"); ok {
+					v.Ref = str
 					return nil
 				}
 			}
@@ -114,30 +116,26 @@ func (v *Var) UnmarshalYAML(node *yaml.Node) error {
 			case yaml.MappingNode:
 				key := node.Content[0].Value
 				switch key {
-				case "sh", "ref", "map", "json", "yaml":
+				case "sh", "ref", "map":
 					var m struct {
-						Sh   string
-						Ref  string
-						Map  any
-						Json string
-						Yaml string
+						Sh  *string
+						Ref string
+						Map any
 					}
 					if err := node.Decode(&m); err != nil {
-						return err
+						return errors.NewTaskfileDecodeError(err, node)
 					}
 					v.Sh = m.Sh
 					v.Ref = m.Ref
 					v.Value = m.Map
-					v.Json = m.Json
-					v.Yaml = m.Yaml
 					return nil
 				default:
-					return fmt.Errorf(`yaml: line %d: %q is not a valid variable type. Try "sh", "ref", "map", "json", "yaml" or using a scalar value`, node.Line, key)
+					return errors.NewTaskfileDecodeError(nil, node).WithMessage(`%q is not a valid variable type. Try "sh", "ref", "map" or using a scalar value`, key)
 				}
 			default:
 				var value any
 				if err := node.Decode(&value); err != nil {
-					return err
+					return errors.NewTaskfileDecodeError(err, node)
 				}
 				v.Value = value
 				return nil
@@ -148,22 +146,27 @@ func (v *Var) UnmarshalYAML(node *yaml.Node) error {
 	switch node.Kind {
 
 	case yaml.MappingNode:
-		if len(node.Content) > 2 || node.Content[0].Value != "sh" {
-			return fmt.Errorf(`task: line %d: maps cannot be assigned to variables`, node.Line)
+		key := node.Content[0].Value
+		switch key {
+		case "sh", "ref":
+			var m struct {
+				Sh  *string
+				Ref string
+			}
+			if err := node.Decode(&m); err != nil {
+				return errors.NewTaskfileDecodeError(err, node)
+			}
+			v.Sh = m.Sh
+			v.Ref = m.Ref
+			return nil
+		default:
+			return errors.NewTaskfileDecodeError(nil, node).WithMessage("maps cannot be assigned to variables")
 		}
-		var sh struct {
-			Sh string
-		}
-		if err := node.Decode(&sh); err != nil {
-			return err
-		}
-		v.Sh = sh.Sh
-		return nil
 
 	default:
 		var value any
 		if err := node.Decode(&value); err != nil {
-			return err
+			return errors.NewTaskfileDecodeError(err, node)
 		}
 		v.Value = value
 		return nil

taskfile/cache.go

@@ -50,9 +50,23 @@ func (c *Cache) key(node Node) string {
 }
 
 func (c *Cache) cacheFilePath(node Node) string {
-	return filepath.Join(c.dir, fmt.Sprintf("%s.yaml", c.key(node)))
+	return c.filePath(node, "yaml")
 }
 
 func (c *Cache) checksumFilePath(node Node) string {
-	return filepath.Join(c.dir, fmt.Sprintf("%s.checksum", c.key(node)))
+	return c.filePath(node, "checksum")
+}
+
+func (c *Cache) filePath(node Node, suffix string) string {
+	lastDir, filename := node.FilenameAndLastDir()
+	prefix := filename
+	// Means it's not "", nor "." nor "/", so it's a valid directory
+	if len(lastDir) > 1 {
+		prefix = fmt.Sprintf("%s-%s", lastDir, filename)
+	}
+	return filepath.Join(c.dir, fmt.Sprintf("%s.%s.%s", prefix, c.key(node), suffix))
+}
+
+func (c *Cache) Clear() error {
+	return os.RemoveAll(c.dir)
 }

taskfile/dotenv.go

@@ -1,6 +1,7 @@
 package taskfile
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/joho/godotenv"
@@ -37,7 +38,7 @@ func Dotenv(c *compiler.Compiler, tf *ast.Taskfile, dir string) (*ast.Vars, erro
 
 		envs, err := godotenv.Read(dotEnvPath)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("error reading env file %s: %w", dotEnvPath, err)
 		}
 		for key, value := range envs {
 			if ok := env.Exists(key); !ok {

taskfile/node.go

@@ -7,6 +7,8 @@ import (
 	"strings"
 	"time"
 
+	giturls "github.com/whilp/git-urls"
+
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/experiments"
 	"github.com/go-task/task/v3/internal/logger"
@@ -20,6 +22,7 @@ type Node interface {
 	Remote() bool
 	ResolveEntrypoint(entrypoint string) (string, error)
 	ResolveDir(dir string) (string, error)
+	FilenameAndLastDir() (string, string)
 }
 
 func NewRootNode(
@@ -47,24 +50,39 @@ func NewNode(
 ) (Node, error) {
 	var node Node
 	var err error
-	switch getScheme(entrypoint) {
+	scheme, err := getScheme(entrypoint)
+	if err != nil {
+		return nil, err
+	}
+	switch scheme {
+	case "git":
+		node, err = NewGitNode(entrypoint, dir, insecure, opts...)
 	case "http", "https":
 		node, err = NewHTTPNode(l, entrypoint, dir, insecure, timeout, opts...)
 	default:
-		// If no other scheme matches, we assume it's a file
 		node, err = NewFileNode(l, entrypoint, dir, opts...)
+
 	}
+
 	if node.Remote() && !experiments.RemoteTaskfiles.Enabled {
 		return nil, errors.New("task: Remote taskfiles are not enabled. You can read more about this experiment and how to enable it at https://taskfile.dev/experiments/remote-taskfiles")
 	}
 	return node, err
 }
 
-func getScheme(uri string) string {
-	if i := strings.Index(uri, "://"); i != -1 {
-		return uri[:i]
+func getScheme(uri string) (string, error) {
+	u, err := giturls.Parse(uri)
+	if u == nil {
+		return "", err
 	}
-	return ""
+	if strings.HasSuffix(strings.Split(u.Path, "//")[0], ".git") && (u.Scheme == "git" || u.Scheme == "ssh" || u.Scheme == "https" || u.Scheme == "http") {
+		return "git", nil
+	}
+
+	if i := strings.Index(uri, "://"); i != -1 {
+		return uri[:i], nil
+	}
+	return "", nil
 }
 
 func getDefaultDir(entrypoint, dir string) string {

taskfile/node_file.go

@@ -81,6 +81,9 @@ func (node *FileNode) ResolveEntrypoint(entrypoint string) (string, error) {
 	if strings.Contains(entrypoint, "://") {
 		return entrypoint, nil
 	}
+	if strings.HasPrefix(entrypoint, "git") {
+		return entrypoint, nil
+	}
 
 	path, err := execext.Expand(entrypoint)
 	if err != nil {
@@ -112,3 +115,7 @@ func (node *FileNode) ResolveDir(dir string) (string, error) {
 	entrypointDir := filepath.Dir(node.Entrypoint)
 	return filepathext.SmartJoin(entrypointDir, path), nil
 }
+
+func (node *FileNode) FilenameAndLastDir() (string, string) {
+	return "", filepath.Base(node.Entrypoint)
+}

taskfile/node_git.go

@@ -0,0 +1,126 @@
+package taskfile
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/url"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-git/go-billy/v5/memfs"
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/storage/memory"
+	giturls "github.com/whilp/git-urls"
+
+	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/internal/execext"
+	"github.com/go-task/task/v3/internal/filepathext"
+)
+
+// An GitNode is a node that reads a Taskfile from a remote location via Git.
+type GitNode struct {
+	*BaseNode
+	URL    *url.URL
+	rawUrl string
+	ref    string
+	path   string
+}
+
+func NewGitNode(
+	entrypoint string,
+	dir string,
+	insecure bool,
+	opts ...NodeOption,
+) (*GitNode, error) {
+	base := NewBaseNode(dir, opts...)
+	u, err := giturls.Parse(entrypoint)
+	if err != nil {
+		return nil, err
+	}
+
+	basePath, path := func() (string, string) {
+		x := strings.Split(u.Path, "//")
+		return x[0], x[1]
+	}()
+	ref := u.Query().Get("ref")
+
+	rawUrl := u.String()
+
+	u.RawQuery = ""
+	u.Path = basePath
+
+	if u.Scheme == "http" && !insecure {
+		return nil, &errors.TaskfileNotSecureError{URI: entrypoint}
+	}
+	return &GitNode{
+		BaseNode: base,
+		URL:      u,
+		rawUrl:   rawUrl,
+		ref:      ref,
+		path:     path,
+	}, nil
+}
+
+func (node *GitNode) Location() string {
+	return node.rawUrl
+}
+
+func (node *GitNode) Remote() bool {
+	return true
+}
+
+func (node *GitNode) Read(_ context.Context) ([]byte, error) {
+	fs := memfs.New()
+	storer := memory.NewStorage()
+	_, err := git.Clone(storer, fs, &git.CloneOptions{
+		URL:           node.URL.String(),
+		ReferenceName: plumbing.ReferenceName(node.ref),
+		SingleBranch:  true,
+		Depth:         1,
+	})
+	if err != nil {
+		return nil, err
+	}
+	file, err := fs.Open(node.path)
+	if err != nil {
+		return nil, err
+	}
+	// Read the entire response body
+	b, err := io.ReadAll(file)
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}
+
+func (node *GitNode) ResolveEntrypoint(entrypoint string) (string, error) {
+	dir, _ := filepath.Split(node.path)
+	resolvedEntrypoint := fmt.Sprintf("%s//%s", node.URL, filepath.Join(dir, entrypoint))
+	if node.ref != "" {
+		return fmt.Sprintf("%s?ref=%s", resolvedEntrypoint, node.ref), nil
+	}
+	return resolvedEntrypoint, nil
+}
+
+func (node *GitNode) ResolveDir(dir string) (string, error) {
+	path, err := execext.Expand(dir)
+	if err != nil {
+		return "", err
+	}
+
+	if filepathext.IsAbs(path) {
+		return path, nil
+	}
+
+	// NOTE: Uses the directory of the entrypoint (Taskfile), not the current working directory
+	// This means that files are included relative to one another
+	entrypointDir := filepath.Dir(node.Dir())
+	return filepathext.SmartJoin(entrypointDir, path), nil
+}
+
+func (node *GitNode) FilenameAndLastDir() (string, string) {
+	return filepath.Base(node.path), filepath.Base(filepath.Dir(node.path))
+}

taskfile/node_git_test.go

@@ -0,0 +1,75 @@
+package taskfile
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGitNode_ssh(t *testing.T) {
+	node, err := NewGitNode("git@github.com:foo/bar.git//Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	assert.Equal(t, "main", node.ref)
+	assert.Equal(t, "Taskfile.yml", node.path)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git//Taskfile.yml?ref=main", node.rawUrl)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git", node.URL.String())
+	entrypoint, err := node.ResolveEntrypoint("common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git//common.yml?ref=main", entrypoint)
+}
+
+func TestGitNode_sshWithDir(t *testing.T) {
+	node, err := NewGitNode("git@github.com:foo/bar.git//directory/Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	assert.Equal(t, "main", node.ref)
+	assert.Equal(t, "directory/Taskfile.yml", node.path)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git//directory/Taskfile.yml?ref=main", node.rawUrl)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git", node.URL.String())
+	entrypoint, err := node.ResolveEntrypoint("common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "ssh://git@github.com/foo/bar.git//directory/common.yml?ref=main", entrypoint)
+}
+
+func TestGitNode_https(t *testing.T) {
+	node, err := NewGitNode("https://github.com/foo/bar.git//Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	assert.Equal(t, "main", node.ref)
+	assert.Equal(t, "Taskfile.yml", node.path)
+	assert.Equal(t, "https://github.com/foo/bar.git//Taskfile.yml?ref=main", node.rawUrl)
+	assert.Equal(t, "https://github.com/foo/bar.git", node.URL.String())
+	entrypoint, err := node.ResolveEntrypoint("common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://github.com/foo/bar.git//common.yml?ref=main", entrypoint)
+}
+
+func TestGitNode_httpsWithDir(t *testing.T) {
+	node, err := NewGitNode("https://github.com/foo/bar.git//directory/Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	assert.Equal(t, "main", node.ref)
+	assert.Equal(t, "directory/Taskfile.yml", node.path)
+	assert.Equal(t, "https://github.com/foo/bar.git//directory/Taskfile.yml?ref=main", node.rawUrl)
+	assert.Equal(t, "https://github.com/foo/bar.git", node.URL.String())
+	entrypoint, err := node.ResolveEntrypoint("common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "https://github.com/foo/bar.git//directory/common.yml?ref=main", entrypoint)
+}
+
+func TestGitNode_FilenameAndDir(t *testing.T) {
+	node, err := NewGitNode("https://github.com/foo/bar.git//directory/Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	filename, dir := node.FilenameAndLastDir()
+	assert.Equal(t, "Taskfile.yml", filename)
+	assert.Equal(t, "directory", dir)
+
+	node, err = NewGitNode("https://github.com/foo/bar.git//Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	filename, dir = node.FilenameAndLastDir()
+	assert.Equal(t, "Taskfile.yml", filename)
+	assert.Equal(t, ".", dir)
+
+	node, err = NewGitNode("https://github.com/foo/bar.git//multiple/directory/Taskfile.yml?ref=main", "", false)
+	assert.NoError(t, err)
+	filename, dir = node.FilenameAndLastDir()
+	assert.Equal(t, "Taskfile.yml", filename)
+	assert.Equal(t, "directory", dir)
+}

taskfile/node_http.go

@@ -17,7 +17,9 @@ import (
 // An HTTPNode is a node that reads a Taskfile from a remote location via HTTP.
 type HTTPNode struct {
 	*BaseNode
-	URL *url.URL
+	URL     *url.URL
+	logger  *logger.Logger
+	timeout time.Duration
 }
 
 func NewHTTPNode(
@@ -36,18 +38,12 @@ func NewHTTPNode(
 	if url.Scheme == "http" && !insecure {
 		return nil, &errors.TaskfileNotSecureError{URI: entrypoint}
 	}
-	ctx, cf := context.WithTimeout(context.Background(), timeout)
-	defer cf()
-	url, err = RemoteExists(ctx, l, url)
-	if err != nil {
-		return nil, err
-	}
-	if errors.Is(ctx.Err(), context.DeadlineExceeded) {
-		return nil, &errors.TaskfileNetworkTimeoutError{URI: url.String(), Timeout: timeout}
-	}
+
 	return &HTTPNode{
 		BaseNode: base,
 		URL:      url,
+		timeout:  timeout,
+		logger:   l,
 	}, nil
 }
 
@@ -60,6 +56,11 @@ func (node *HTTPNode) Remote() bool {
 }
 
 func (node *HTTPNode) Read(ctx context.Context) ([]byte, error) {
+	url, err := RemoteExists(ctx, node.logger, node.URL, node.timeout)
+	if err != nil {
+		return nil, err
+	}
+	node.URL = url
 	req, err := http.NewRequest("GET", node.URL.String(), nil)
 	if err != nil {
 		return nil, errors.TaskfileFetchFailedError{URI: node.URL.String()}
@@ -67,10 +68,12 @@ func (node *HTTPNode) Read(ctx context.Context) ([]byte, error) {
 
 	resp, err := http.DefaultClient.Do(req.WithContext(ctx))
 	if err != nil {
+		if errors.Is(err, context.DeadlineExceeded) {
+			return nil, &errors.TaskfileNetworkTimeoutError{URI: node.URL.String(), Timeout: node.timeout}
+		}
 		return nil, errors.TaskfileFetchFailedError{URI: node.URL.String()}
 	}
 	defer resp.Body.Close()
-
 	if resp.StatusCode != http.StatusOK {
 		return nil, errors.TaskfileFetchFailedError{
 			URI:            node.URL.String(),
@@ -107,6 +110,15 @@ func (node *HTTPNode) ResolveDir(dir string) (string, error) {
 
 	// NOTE: Uses the directory of the entrypoint (Taskfile), not the current working directory
 	// This means that files are included relative to one another
-	entrypointDir := filepath.Dir(node.Dir())
-	return filepathext.SmartJoin(entrypointDir, path), nil
+	parent := node.Dir()
+	if node.Parent() != nil {
+		parent = node.Parent().Dir()
+	}
+
+	return filepathext.SmartJoin(parent, path), nil
+}
+
+func (node *HTTPNode) FilenameAndLastDir() (string, string) {
+	dir, filename := filepath.Split(node.URL.Path)
+	return filepath.Base(dir), filename
 }

taskfile/node_stdin.go

@@ -72,3 +72,7 @@ func (node *StdinNode) ResolveDir(dir string) (string, error) {
 
 	return filepathext.SmartJoin(node.Dir(), path), nil
 }
+
+func (node *StdinNode) FilenameAndLastDir() (string, string) {
+	return "", "__stdin__"
+}

taskfile/node_test.go

@@ -0,0 +1,22 @@
+package taskfile
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestScheme(t *testing.T) {
+	scheme, err := getScheme("https://github.com/foo/bar.git")
+	assert.NoError(t, err)
+	assert.Equal(t, "git", scheme)
+	scheme, err = getScheme("https://github.com/foo/bar.git?ref=v1//taskfile/common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "git", scheme)
+	scheme, err = getScheme("git@github.com:foo/bar.git?ref=main//Taskfile.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "git", scheme)
+	scheme, err = getScheme("https://github.com/foo/common.yml")
+	assert.NoError(t, err)
+	assert.Equal(t, "https", scheme)
+}

taskfile/reader.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"sync"
 	"time"
 
 	"github.com/dominikbraun/graph"
@@ -30,14 +31,15 @@ Continue?`
 // A Reader will recursively read Taskfiles from a given source using a directed
 // acyclic graph (DAG).
 type Reader struct {
-	graph    *ast.TaskfileGraph
-	node     Node
-	insecure bool
-	download bool
-	offline  bool
-	timeout  time.Duration
-	tempDir  string
-	logger   *logger.Logger
+	graph       *ast.TaskfileGraph
+	node        Node
+	insecure    bool
+	download    bool
+	offline     bool
+	timeout     time.Duration
+	tempDir     string
+	logger      *logger.Logger
+	promptMutex sync.Mutex
 }
 
 func NewReader(
@@ -50,14 +52,15 @@ func NewReader(
 	logger *logger.Logger,
 ) *Reader {
 	return &Reader{
-		graph:    ast.NewTaskfileGraph(),
-		node:     node,
-		insecure: insecure,
-		download: download,
-		offline:  offline,
-		timeout:  timeout,
-		tempDir:  tempDir,
-		logger:   logger,
+		graph:       ast.NewTaskfileGraph(),
+		node:        node,
+		insecure:    insecure,
+		download:    download,
+		offline:     offline,
+		timeout:     timeout,
+		tempDir:     tempDir,
+		logger:      logger,
+		promptMutex: sync.Mutex{},
 	}
 }
 
@@ -109,6 +112,7 @@ func (r *Reader) include(node Node) error {
 				Dir:            templater.Replace(include.Dir, cache),
 				Optional:       include.Optional,
 				Internal:       include.Internal,
+				Flatten:        include.Flatten,
 				Aliases:        include.Aliases,
 				AdvancedImport: include.AdvancedImport,
 				Vars:           include.Vars,
@@ -180,91 +184,18 @@ func (r *Reader) include(node Node) error {
 }
 
 func (r *Reader) readNode(node Node) (*ast.Taskfile, error) {
-	var b []byte
-	var err error
-	var cache *Cache
-
-	if node.Remote() {
-		cache, err = NewCache(r.tempDir)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	// If the file is remote and we're in offline mode, check if we have a cached copy
-	if node.Remote() && r.offline {
-		if b, err = cache.read(node); errors.Is(err, os.ErrNotExist) {
-			return nil, &errors.TaskfileCacheNotFoundError{URI: node.Location()}
-		} else if err != nil {
-			return nil, err
-		}
-		r.logger.VerboseOutf(logger.Magenta, "task: [%s] Fetched cached copy\n", node.Location())
-	} else {
-
-		downloaded := false
-		ctx, cf := context.WithTimeout(context.Background(), r.timeout)
-		defer cf()
-
-		// Read the file
-		b, err = node.Read(ctx)
-		// If we timed out then we likely have a network issue
-		if node.Remote() && errors.Is(ctx.Err(), context.DeadlineExceeded) {
-			// If a download was requested, then we can't use a cached copy
-			if r.download {
-				return nil, &errors.TaskfileNetworkTimeoutError{URI: node.Location(), Timeout: r.timeout}
-			}
-			// Search for any cached copies
-			if b, err = cache.read(node); errors.Is(err, os.ErrNotExist) {
-				return nil, &errors.TaskfileNetworkTimeoutError{URI: node.Location(), Timeout: r.timeout, CheckedCache: true}
-			} else if err != nil {
-				return nil, err
-			}
-			r.logger.VerboseOutf(logger.Magenta, "task: [%s] Network timeout. Fetched cached copy\n", node.Location())
-		} else if err != nil {
-			return nil, err
-		} else {
-			downloaded = true
-		}
-
-		// If the node was remote, we need to check the checksum
-		if node.Remote() && downloaded {
-			r.logger.VerboseOutf(logger.Magenta, "task: [%s] Fetched remote copy\n", node.Location())
-
-			// Get the checksums
-			checksum := checksum(b)
-			cachedChecksum := cache.readChecksum(node)
-
-			var prompt string
-			if cachedChecksum == "" {
-				// If the checksum doesn't exist, prompt the user to continue
-				prompt = fmt.Sprintf(taskfileUntrustedPrompt, node.Location())
-			} else if checksum != cachedChecksum {
-				// If there is a cached hash, but it doesn't match the expected hash, prompt the user to continue
-				prompt = fmt.Sprintf(taskfileChangedPrompt, node.Location())
-			}
-			if prompt != "" {
-				if err := r.logger.Prompt(logger.Yellow, prompt, "n", "y", "yes"); err != nil {
-					return nil, &errors.TaskfileNotTrustedError{URI: node.Location()}
-				}
-			}
-
-			// If the hash has changed (or is new)
-			if checksum != cachedChecksum {
-				// Store the checksum
-				if err := cache.writeChecksum(node, checksum); err != nil {
-					return nil, err
-				}
-				// Cache the file
-				r.logger.VerboseOutf(logger.Magenta, "task: [%s] Caching downloaded file\n", node.Location())
-				if err = cache.write(node, b); err != nil {
-					return nil, err
-				}
-			}
-		}
+	b, err := r.loadNodeContent(node)
+	if err != nil {
+		return nil, err
 	}
 
 	var tf ast.Taskfile
 	if err := yaml.Unmarshal(b, &tf); err != nil {
+		// Decode the taskfile and add the file info the any errors
+		taskfileInvalidErr := &errors.TaskfileDecodeError{}
+		if errors.As(err, &taskfileInvalidErr) {
+			return nil, taskfileInvalidErr.WithFileInfo(node.Location(), b, 2)
+		}
 		return nil, &errors.TaskfileInvalidError{URI: filepathext.TryAbsToRel(node.Location()), Err: err}
 	}
 
@@ -288,3 +219,93 @@ func (r *Reader) readNode(node Node) (*ast.Taskfile, error) {
 
 	return &tf, nil
 }
+
+func (r *Reader) loadNodeContent(node Node) ([]byte, error) {
+	if !node.Remote() {
+		ctx, cf := context.WithTimeout(context.Background(), r.timeout)
+		defer cf()
+		return node.Read(ctx)
+	}
+
+	cache, err := NewCache(r.tempDir)
+	if err != nil {
+		return nil, err
+	}
+
+	if r.offline {
+		// In offline mode try to use cached copy
+		cached, err := cache.read(node)
+		if errors.Is(err, os.ErrNotExist) {
+			return nil, &errors.TaskfileCacheNotFoundError{URI: node.Location()}
+		} else if err != nil {
+			return nil, err
+		}
+		r.logger.VerboseOutf(logger.Magenta, "task: [%s] Fetched cached copy\n", node.Location())
+
+		return cached, nil
+	}
+
+	ctx, cf := context.WithTimeout(context.Background(), r.timeout)
+	defer cf()
+
+	b, err := node.Read(ctx)
+	if errors.Is(err, &errors.TaskfileNetworkTimeoutError{}) {
+		// If we timed out then we likely have a network issue
+
+		// If a download was requested, then we can't use a cached copy
+		if r.download {
+			return nil, &errors.TaskfileNetworkTimeoutError{URI: node.Location(), Timeout: r.timeout}
+		}
+
+		// Search for any cached copies
+		cached, err := cache.read(node)
+		if errors.Is(err, os.ErrNotExist) {
+			return nil, &errors.TaskfileNetworkTimeoutError{URI: node.Location(), Timeout: r.timeout, CheckedCache: true}
+		} else if err != nil {
+			return nil, err
+		}
+		r.logger.VerboseOutf(logger.Magenta, "task: [%s] Network timeout. Fetched cached copy\n", node.Location())
+
+		return cached, nil
+
+	} else if err != nil {
+		return nil, err
+	}
+	r.logger.VerboseOutf(logger.Magenta, "task: [%s] Fetched remote copy\n", node.Location())
+
+	// Get the checksums
+	checksum := checksum(b)
+	cachedChecksum := cache.readChecksum(node)
+
+	var prompt string
+	if cachedChecksum == "" {
+		// If the checksum doesn't exist, prompt the user to continue
+		prompt = fmt.Sprintf(taskfileUntrustedPrompt, node.Location())
+	} else if checksum != cachedChecksum {
+		// If there is a cached hash, but it doesn't match the expected hash, prompt the user to continue
+		prompt = fmt.Sprintf(taskfileChangedPrompt, node.Location())
+	}
+
+	if prompt != "" {
+		if err := func() error {
+			r.promptMutex.Lock()
+			defer r.promptMutex.Unlock()
+			return r.logger.Prompt(logger.Yellow, prompt, "n", "y", "yes")
+		}(); err != nil {
+			return nil, &errors.TaskfileNotTrustedError{URI: node.Location()}
+		}
+
+		// Store the checksum
+		if err := cache.writeChecksum(node, checksum); err != nil {
+			return nil, err
+		}
+
+		// Cache the file
+		r.logger.VerboseOutf(logger.Magenta, "task: [%s] Caching downloaded file\n", node.Location())
+		if err = cache.write(node, b); err != nil {
+			return nil, err
+		}
+	}
+
+	return b, nil
+}

taskfile/taskfile.go

@@ -8,6 +8,7 @@ import (
 	"path/filepath"
 	"slices"
 	"strings"
+	"time"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/filepathext"
@@ -40,7 +41,7 @@ var (
 // at the given URL with any of the default Taskfile files names. If any of
 // these match a file, the first matching path will be returned. If no files are
 // found, an error will be returned.
-func RemoteExists(ctx context.Context, l *logger.Logger, u *url.URL) (*url.URL, error) {
+func RemoteExists(ctx context.Context, l *logger.Logger, u *url.URL, timeout time.Duration) (*url.URL, error) {
 	// Create a new HEAD request for the given URL to check if the resource exists
 	req, err := http.NewRequest("HEAD", u.String(), nil)
 	if err != nil {
@@ -50,6 +51,9 @@ func RemoteExists(ctx context.Context, l *logger.Logger, u *url.URL) (*url.URL,
 	// Request the given URL
 	resp, err := http.DefaultClient.Do(req.WithContext(ctx))
 	if err != nil {
+		if errors.Is(ctx.Err(), context.DeadlineExceeded) {
+			return nil, &errors.TaskfileNetworkTimeoutError{URI: u.String(), Timeout: timeout}
+		}
 		return nil, errors.TaskfileFetchFailedError{URI: u.String()}
 	}
 	defer resp.Body.Close()

testdata/desc/Taskfile.yml

@@ -0,0 +1,13 @@
+version: 3
+tasks:
+  build:
+    aliases:
+      - b
+    desc: |
+      Multi-line escription with alias which is super long long long long long long
+      another line
+      third line long long long long long long long long
+  test:
+    aliases:
+      - t
+    desc: Single line description with alias

testdata/dotenv/parse_error/.env-with-error

@@ -0,0 +1,2 @@
+#intentional parse error
+SOME_VAR

testdata/dotenv/parse_error/Taskfile.yml

@@ -0,0 +1,8 @@
+version: '3'
+
+dotenv: ['.env-with-error']
+
+tasks:
+  default:
+    cmd: "true"
+

testdata/env/Taskfile.yml

@@ -8,12 +8,14 @@ env:
   FOO: foo
   BAR: bar
   BAZ: "{{.BAZ}}"
+  QUX: from_taskfile
 
 tasks:
   default:
     cmds:
       - task: local
       - task: global
+      - task: not-overriden
       - task: multiple_type
 
   local:
@@ -40,3 +42,11 @@ tasks:
       BAZ: 1.1
     cmds:
       - echo "FOO='$FOO' BAR='$BAR' BAZ='$BAZ'" > multiple_type.txt
+
+  not-overriden:
+    cmds:
+      - echo "QUX='$QUX'" > not-overriden.txt
+
+  overriden:
+    cmds:
+      - echo "QUX='$QUX'" > overriden.txt

testdata/exit_code/Taskfile.yml

@@ -0,0 +1,25 @@
+version: '3'
+
+silent: true
+
+vars:
+  PREFIX: EXIT_CODE=
+
+tasks:
+  exit-zero:
+    vars:
+      FOO: bar
+      DYNAMIC_FOO:
+        sh: echo 'bar'
+    cmds:
+      - defer: echo FOO={{.FOO}} - DYNAMIC_FOO={{.DYNAMIC_FOO}} - {{.PREFIX}}{{.EXIT_CODE}}
+      - exit 0
+
+  exit-one:
+    vars:
+      FOO: bar
+      DYNAMIC_FOO:
+        sh: echo 'bar'
+    cmds:
+      - defer: echo FOO={{.FOO}} - DYNAMIC_FOO={{.DYNAMIC_FOO}} - {{.PREFIX}}{{.EXIT_CODE}}
+      - exit 1

testdata/for/cmds/Taskfile.yml

@@ -7,6 +7,14 @@ tasks:
       - for: ["a", "b", "c"]
         cmd: echo "{{.ITEM}}"
 
+  loop-matrix:
+    cmds:
+      - for:
+          matrix:
+            OS: ["windows", "linux", "darwin"]
+            ARCH: ["amd64", "arm64"]
+        cmd: echo "{{.ITEM.OS}}/{{.ITEM.ARCH}}"
+
   # Loop over the task's sources
   loop-sources:
     sources:

testdata/for/deps/Taskfile.yml

@@ -9,6 +9,16 @@ tasks:
         vars:
           TEXT: "{{.ITEM}}"
 
+  loop-matrix:
+    deps:
+      - for:
+          matrix:
+            OS: ["windows", "linux", "darwin"]
+            ARCH: ["amd64", "arm64"]
+        task: echo
+        vars:
+          TEXT: "{{.ITEM.OS}}/{{.ITEM.ARCH}}"
+
   # Loop over the task's sources
   loop-sources:
     sources:

testdata/includes_flatten/.gitignore

@@ -0,0 +1 @@
+*.txt

testdata/includes_flatten/Taskfile.multiple.yml

@@ -0,0 +1,12 @@
+version: '3'
+
+includes:
+  included:
+    taskfile: ./included
+    flatten: true
+
+tasks:
+  gen:
+    cmds:
+      - echo "gen multiple"
+

testdata/includes_flatten/Taskfile.with_default.yml

@@ -0,0 +1,3 @@
+version: '3'
+tasks:
+  default: echo "default from included flatten"

testdata/includes_flatten/Taskfile.yml

@@ -0,0 +1,15 @@
+version: '3'
+
+includes:
+  included:
+    taskfile: ./included
+    dir: ./included
+    flatten: true
+  with_default:
+    taskfile: ./Taskfile.with_default.yml
+    flatten: true
+
+tasks:
+  from_entrypoint: echo "from entrypoint"
+
+

testdata/includes_flatten/included/Taskfile.yml

@@ -0,0 +1,23 @@
+version: '3'
+
+includes:
+    nested:
+      taskfile: ../nested
+      flatten: true
+
+tasks:
+  gen:
+    cmds:
+      - echo "gen from included"
+
+  with_deps:
+    deps:
+        - gen
+    cmds:
+      - echo "with_deps from included"
+
+
+  pwd:
+    desc: Print working directory
+    cmds:
+      - pwd

testdata/includes_flatten/nested/Taskfile.yml

@@ -0,0 +1,6 @@
+version: '3'
+
+tasks:
+  from_nested:
+    cmds:
+      - echo "from nested"

testdata/includes_http/child-taskfile2.yml

@@ -0,0 +1,9 @@
+version: '3'
+
+includes:
+  third-with-dir-1:
+    taskfile: "{{.INCLUDE_ROOT}}/child-taskfile3.yml"
+    dir: ./dir-1
+  third-with-dir-2:
+    taskfile: "{{.INCLUDE_ROOT}}/child-taskfile3.yml"
+    dir: ./dir-2

testdata/includes_http/child-taskfile3.yml

@@ -0,0 +1,4 @@
+version: '3'
+
+tasks:
+  default: "true"

testdata/includes_http/root-taskfile-remotefile-empty-dir-1st.yml

@@ -0,0 +1,8 @@
+version: '3'
+
+includes:
+  second-no-dir:
+      taskfile: "{{.INCLUDE_ROOT}}/child-taskfile2.yml"
+  second-with-dir-1:
+    taskfile: "{{.INCLUDE_ROOT}}/child-taskfile2.yml"
+    dir: ./dir-1

testdata/includes_http/root-taskfile-remotefile-empty-dir-2nd.yml

@@ -0,0 +1,8 @@
+version: '3'
+
+includes:
+  second-with-dir-1:
+    taskfile: "{{.INCLUDE_ROOT}}/child-taskfile2.yml"
+    dir: ./dir-1
+  second-no-dir:
+    taskfile: "{{.INCLUDE_ROOT}}/child-taskfile2.yml"

testdata/includes_remote/.gitignore

@@ -0,0 +1 @@
+*.txt

testdata/includes_remote/Taskfile.yml

@@ -0,0 +1,4 @@
+version: '3'
+
+includes:
+  first: "{{.FIRST_REMOTE_URL}}"