v3.4.3

Closes #459
Fixes #480
Ref #343
Ref fatih/color#137

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+
+updates:
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+      day: saturday
+      time: '08:00'
+      timezone: America/Sao_Paulo

.gitignore

@@ -19,8 +19,9 @@ dist/
 
 .DS_Store
 
-# intellij idea/goland
+# editors
 .idea/
+.vscode/
 
 # exuberant ctags
 tags

.goreleaser.yml

@@ -1,6 +1,6 @@
 build:
   binary: task
-  main: cmd/task/task.go
+  main: cmd/task
   goos:
     - windows
     - darwin
@@ -17,6 +17,11 @@ build:
       goarch: 386
   env:
     - CGO_ENABLED=0
+  ldflags:
+    - -s -w # Don't set main.version.
+
+gomod:
+  proxy: true
 
 archives:
   - name_template: "{{.Binary}}_{{.Os}}_{{.Arch}}"

CHANGELOG.md

@@ -1,13 +1,64 @@
 # Changelog
 
-## v3.2.1
+## v3.4.3 - 2021-05-30
+
+- Add support for the `NO_COLOR` environment variable.
+  ([#459](https://github.com/go-task/task/issues/459), [fatih/color#137](https://github.com/fatih/color/pull/137)).
+- Fix bug where sources were not considering the right directory
+  in `--watch` mode
+  ([#484](https://github.com/go-task/task/issues/484), [#485](https://github.com/go-task/task/pull/485)).
+
+## v3.4.2 - 2021-04-23
+
+- On watch, report which file failed to read
+  ([#472](https://github.com/go-task/task/pull/472)).
+- Do not try to catch SIGKILL signal, which are not actually possible
+  ([#476](https://github.com/go-task/task/pull/476)).
+- Improve version reporting when building Task from source using Go Modules
+  ([#462](https://github.com/go-task/task/pull/462), [#473](https://github.com/go-task/task/pull/473)).
+
+## v3.4.1 - 2021-04-17
+
+- Improve error reporting when parsing YAML: in some situations where you
+  would just see an generic error, you'll now see the actual error with
+  more detail: the YAML line the failed to parse, for example
+  ([#467](https://github.com/go-task/task/issues/467)).
+- A JSON Schema was published [here](https://json.schemastore.org/taskfile.json)
+  and is automatically being used by some editors like Visual Studio Code
+  ([#135](https://github.com/go-task/task/issues/135)).
+- Print task name before the command in the log output
+  ([#398](https://github.com/go-task/task/pull/398)).
+
+## v3.3.0 - 2021-03-20
+
+- Add support for delegating CLI arguments to commands with `--` and a
+  special `CLI_ARGS` variable
+  ([#327](https://github.com/go-task/task/issues/327)).
+- Add a `--concurrency` (alias `-C`) flag, to limit the number of tasks that
+  run concurrently. This is useful for heavy workloads.
+  ([#345](https://github.com/go-task/task/pull/345)).
+
+## v3.2.2 - 2021-01-12
+
+- Improve performance of `--list` and `--summary` by skipping running shell
+  variables for these flags
+  ([#332](https://github.com/go-task/task/issues/332)).
+- Fixed a bug where an environment in a Taskfile was not always overridable
+  by the system environment
+  ([#425](https://github.com/go-task/task/issues/425)).
+- Fixed environment from .env files not being available as variables
+  ([#379](https://github.com/go-task/task/issues/379)).
+- The install script is now working for ARM platforms
+  ([#428](https://github.com/go-task/task/pull/428)).
+
+## v3.2.1 - 2021-01-09
 
 - Fixed some bugs and regressions regarding dynamic variables and directories
   ([#426](https://github.com/go-task/task/issues/426)).
 - The [slim-sprig](https://github.com/go-task/slim-sprig) package was updated
   with the upstream [sprig](https://github.com/Masterminds/sprig).
 
-## v3.2.0
+## v3.2.0 - 2021-01-07
 
 - Fix the `.task` directory being created in the task directory instead of the
   Taskfile directory
@@ -20,7 +71,7 @@
   should be more stable now
   ([#423](https://github.com/go-task/task/pull/423), [#365](https://github.com/go-task/task/issues/365)).
 
-## v3.1.0
+## v3.1.0 - 2021-01-03
 
 - Fix a bug when the checksum up-to-date resolution is used by a task
   with a custom `label:` attribute
@@ -36,7 +87,7 @@
   sentence was in the last line
   ([#403](https://github.com/go-task/task/issues/403)).
 
-## v3.0.1
+## v3.0.1 - 2020-12-26
 
 - Allow use as a library by moving the required packages out of the `internal`
   directory
@@ -46,7 +97,7 @@
 - Fix panic when you have empty tasks in your Taskfile
   ([#338](https://github.com/go-task/task/issues/338), [#362](https://github.com/go-task/task/pull/362)).
 
-## v3.0.0
+## v3.0.0 - 2020-08-16
 
 - On `v3`, all CLI variables will be considered global variables
   ([#336](https://github.com/go-task/task/issues/336), [#341](https://github.com/go-task/task/pull/341))
@@ -89,7 +140,7 @@
   commands are green, errors are red, etc
   ([#207](https://github.com/go-task/task/pull/207)).
 
-## v2.8.1 - 2019-05-20
+## v2.8.1 - 2020-05-20
 
 - Fix error code for the `--help` flag
   ([#300](https://github.com/go-task/task/issues/300), [#330](https://github.com/go-task/task/pull/330)).

Taskfile.yml

@@ -12,6 +12,9 @@ vars:
   GO_PACKAGES:
     sh: go list ./...
 
+env:
+  CGO_ENABLED: '0'
+
 tasks:
   default:
     cmds:
@@ -21,8 +24,6 @@ tasks:
     desc: Installs Task
     cmds:
       - go install -v -ldflags="-w -s -X main.version={{.GIT_COMMIT}}" ./cmd/task
-    env:
-      CGO_ENABLED: '0'
 
   mod:
     desc: Downloads and tidy Go modules

args/args.go

@@ -9,7 +9,7 @@ import (
 // ParseV3 parses command line argument: tasks and global variables
 func ParseV3(args ...string) ([]taskfile.Call, *taskfile.Vars) {
 	var calls []taskfile.Call
-	var globals *taskfile.Vars
+	var globals = &taskfile.Vars{}
 
 	for _, arg := range args {
 		if !strings.Contains(arg, "=") {
@@ -17,9 +17,6 @@ func ParseV3(args ...string) ([]taskfile.Call, *taskfile.Vars) {
 			continue
 		}
 
-		if globals == nil {
-			globals = &taskfile.Vars{}
-		}
 		name, value := splitVar(arg)
 		globals.Set(name, taskfile.Var{Static: value})
 	}
@@ -34,7 +31,7 @@ func ParseV3(args ...string) ([]taskfile.Call, *taskfile.Vars) {
 // ParseV2 parses command line argument: tasks and vars of each task
 func ParseV2(args ...string) ([]taskfile.Call, *taskfile.Vars) {
 	var calls []taskfile.Call
-	var globals *taskfile.Vars
+	var globals = &taskfile.Vars{}
 
 	for _, arg := range args {
 		if !strings.Contains(arg, "=") {
@@ -43,9 +40,6 @@ func ParseV2(args ...string) ([]taskfile.Call, *taskfile.Vars) {
 		}
 
 		if len(calls) < 1 {
-			if globals == nil {
-				globals = &taskfile.Vars{}
-			}
 			name, value := splitVar(arg)
 			globals.Set(name, taskfile.Var{Static: value})
 		} else {

args/args_test.go

@@ -96,7 +96,9 @@ func TestArgsV3(t *testing.T) {
 		t.Run(fmt.Sprintf("TestArgs%d", i+1), func(t *testing.T) {
 			calls, globals := args.ParseV3(test.Args...)
 			assert.Equal(t, test.ExpectedCalls, calls)
-			assert.Equal(t, test.ExpectedGlobals, globals)
+			if test.ExpectedGlobals.Len() > 0 || globals.Len() > 0 {
+				assert.Equal(t, test.ExpectedGlobals, globals)
+			}
 		})
 	}
 }
@@ -198,7 +200,10 @@ func TestArgsV2(t *testing.T) {
 		t.Run(fmt.Sprintf("TestArgs%d", i+1), func(t *testing.T) {
 			calls, globals := args.ParseV2(test.Args...)
 			assert.Equal(t, test.ExpectedCalls, calls)
-			assert.Equal(t, test.ExpectedGlobals, globals)
+			if test.ExpectedGlobals.Len() > 0 || globals.Len() > 0 {
+				assert.Equal(t, test.ExpectedGlobals, globals)
+			}
+
 		})
 	}
 }

cmd/task/task.go

@@ -7,6 +7,8 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"runtime/debug"
+	"strings"
 	"syscall"
 
 	"github.com/spf13/pflag"
@@ -18,7 +20,7 @@ import (
 )
 
 var (
-	version = "master"
+	version = ""
 )
 
 const usage = `Usage: task [-ilfwvsd] [--init] [--list] [--force] [--watch] [--verbose] [--silent] [--dir] [--taskfile] [--dry] [--summary] [task...]
@@ -65,6 +67,7 @@ func main() {
 		dry         bool
 		summary     bool
 		parallel    bool
+		concurrency int
 		dir         string
 		entrypoint  string
 		output      string
@@ -86,11 +89,12 @@ func main() {
 	pflag.StringVarP(&dir, "dir", "d", "", "sets directory of execution")
 	pflag.StringVarP(&entrypoint, "taskfile", "t", "", `choose which Taskfile to run. Defaults to "Taskfile.yml"`)
 	pflag.StringVarP(&output, "output", "o", "", "sets output style: [interleaved|group|prefixed]")
-	pflag.BoolVarP(&color, "color", "c", true, "colored output")
+	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.Parse()
 
 	if versionFlag {
-		fmt.Printf("Task version: %s\n", version)
+		fmt.Printf("Task version: %s\n", getVersion())
 		return
 	}
 
@@ -122,16 +126,17 @@ func main() {
 	}
 
 	e := task.Executor{
-		Force:      force,
-		Watch:      watch,
-		Verbose:    verbose,
-		Silent:     silent,
-		Dir:        dir,
-		Dry:        dry,
-		Entrypoint: entrypoint,
-		Summary:    summary,
-		Parallel:   parallel,
-		Color:      color,
+		Force:       force,
+		Watch:       watch,
+		Verbose:     verbose,
+		Silent:      silent,
+		Dir:         dir,
+		Dry:         dry,
+		Entrypoint:  entrypoint,
+		Summary:     summary,
+		Parallel:    parallel,
+		Color:       color,
+		Concurrency: concurrency,
 
 		Stdin:  os.Stdin,
 		Stdout: os.Stdout,
@@ -154,14 +159,18 @@ func main() {
 	}
 
 	var (
-		calls   []taskfile.Call
-		globals *taskfile.Vars
+		calls                 []taskfile.Call
+		globals               *taskfile.Vars
+		tasksAndVars, cliArgs = getArgs()
 	)
+
 	if v >= 3.0 {
-		calls, globals = args.ParseV3(pflag.Args()...)
+		calls, globals = args.ParseV3(tasksAndVars...)
 	} else {
-		calls, globals = args.ParseV2(pflag.Args()...)
+		calls, globals = args.ParseV2(tasksAndVars...)
 	}
+
+	globals.Set("CLI_ARGS", taskfile.Var{Static: strings.Join(cliArgs, " ")})
 	e.Taskfile.Vars.Merge(globals)
 
 	ctx := context.Background()
@@ -182,9 +191,25 @@ func main() {
 	}
 }
 
+func getArgs() (tasksAndVars, cliArgs []string) {
+	var (
+		args          = pflag.Args()
+		doubleDashPos = pflag.CommandLine.ArgsLenAtDash()
+	)
+
+	if doubleDashPos != -1 {
+		tasksAndVars = args[:doubleDashPos]
+		cliArgs = args[doubleDashPos:]
+	} else {
+		tasksAndVars = args
+	}
+
+	return
+}
+
 func getSignalContext() context.Context {
 	ch := make(chan os.Signal, 1)
-	signal.Notify(ch, os.Interrupt, os.Kill, syscall.SIGTERM)
+	signal.Notify(ch, os.Interrupt, syscall.SIGTERM)
 	ctx, cancel := context.WithCancel(context.Background())
 	go func() {
 		sig := <-ch
@@ -193,3 +218,21 @@ func getSignalContext() context.Context {
 	}()
 	return ctx
 }
+
+func getVersion() string {
+	if version != "" {
+		return version
+	}
+
+	info, ok := debug.ReadBuildInfo()
+	if !ok || info.Main.Version == "" {
+		return "unknown"
+	}
+
+	version = info.Main.Version
+	if info.Main.Sum != "" {
+		version += fmt.Sprintf(" (%s)", info.Main.Sum)
+	}
+
+	return version
+}

concurrency.go

@@ -0,0 +1,25 @@
+package task
+
+func (e *Executor) acquireConcurrencyLimit() func() {
+	if e.concurrencySemaphore == nil {
+		return emptyFunc
+	}
+
+	e.concurrencySemaphore <- struct{}{}
+	return func() {
+		<-e.concurrencySemaphore
+	}
+}
+
+func (e *Executor) releaseConcurrencyLimit() func() {
+	if e.concurrencySemaphore == nil {
+		return emptyFunc
+	}
+
+	<-e.concurrencySemaphore
+	return func() {
+		e.concurrencySemaphore <- struct{}{}
+	}
+}
+
+func emptyFunc() {}

docs/_sidebar.md

@@ -2,7 +2,7 @@
 - [Usage](usage.md)
 - [Styleguide](styleguide.md)
 - [Taskfile Versions](taskfile_versions.md)
-- [Examples](examples.md)
+- [Community](community.md)
 - [Releasing Task](releasing_task.md)
 - [Donate](donate.md)
-- [![GitHub](https://icongram.jgog.in/simple/github.svg?color=808080&size=16)GitHub](https://github.com/go-task/task)
+- [GitHub](https://github.com/go-task/task)

docs/community.md

@@ -0,0 +1,44 @@
+# Community
+
+Some of the work to improve the Task ecosystem is done by the community, be
+it installation methods or integrations with code editor. I (the author) am
+thankful for everyone that helps me to improve the overall experience.
+
+## Editor Integrations
+
+### JSON Schema
+
+[@KROSF](https://github.com/KROSF) worked on a JSON Schema [into this Gist](https://gist.github.com/KROSF/c5435acf590acd632f71bb720f685895),
+which later was made officially available by [@Crandel](https://github.com/Crandel)
+at [https://json.schemastore.org/taskfile.json](https://json.schemastore.org/taskfile.json).
+Further improvements are possible by opening pull requests changing
+[this file](https://github.com/SchemaStore/schemastore/blob/master/src/schemas/json/taskfile.json).
+Some code editors, like Visual Studio Code, make use of Schema Store
+automatically.
+
+### Visual Studio Code extension
+
+Additionally, there's also some work done by
+[@paulvarache](https://github.com/paulvarache) in making an Visual Studio Code
+extension, which has its code [here](https://github.com/paulvarache/vscode-taskfile)
+and is published [here](https://marketplace.visualstudio.com/items?itemName=paulvarache.vscode-taskfile).
+
+## Installation methods
+
+Some installation methods are maintained by third party:
+
+- [GitHub Actions](https://github.com/arduino/setup-task)
+  by [@arduino](https://github.com/arduino)
+- [AUR](https://aur.archlinux.org/packages/taskfile-git)
+  by [@kovetskiy](https://github.com/kovetskiy)
+- [Scoop](https://github.com/lukesampson/scoop-extras/blob/master/bucket/task.json)
+
+## More
+
+Also, thanks for all the [code contributors](https://github.com/go-task/task/graphs/contributors),
+[financial contributors](https://opencollective.com/task), all those who
+[reported bugs](https://github.com/go-task/task/issues?q=is%3Aissue) and
+[answered questions](https://github.com/go-task/task/discussions).
+
+If you know something that is missing in this document, please submit a
+pull request.

docs/examples.md

@@ -1,7 +0,0 @@
-# Examples
-
-The [go-task/examples][examples] intends to be a collection of Taskfiles for
-various use cases.
-(It still lacks many examples, though. Contributions are welcome).
-
-[examples]: https://github.com/go-task/examples

docs/index.html

@@ -6,7 +6,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
     <meta name="description" content="A task runner / simpler Make alternative written in Go">
     <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
-    <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify-themeable/dist/css/theme-simple.css">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsify-themeable@0/dist/css/theme-simple-dark.css">
     <meta name="google-site-verification" content="VGAYkbdmuaciIDGkBe-eAg9yfZg0C6ostgonbGxxOa0" />
     <style>
       #logo {
@@ -20,6 +20,10 @@
       .app-name-link img {
         width: 125px;
       }
+      :root {
+        --base-font-size: 14px;
+        --theme-color: #29beb0;
+      }
     </style>
   </head>
   <body>

docs/install.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-# Code generated by godownloader on 2018-04-07T17:47:38Z. DO NOT EDIT.
+# Code generated by godownloader on 2021-01-12T13:40:40Z. DO NOT EDIT.
 #
 
 usage() {
@@ -27,11 +27,12 @@ parse_args() {
   # over-ridden by flag below
 
   BINDIR=${BINDIR:-./bin}
-  while getopts "b:dh?" arg; do
+  while getopts "b:dh?x" arg; do
     case "$arg" in
       b) BINDIR="$OPTARG" ;;
       d) log_set_priority 10 ;;
       h | \?) usage "$0" ;;
+      x) set -x ;;
     esac
   done
   shift $((OPTIND - 1))
@@ -42,46 +43,41 @@ parse_args() {
 # network, either nothing will happen or will syntax error
 # out preventing half-done work
 execute() {
-  tmpdir=$(mktmpdir)
+  tmpdir=$(mktemp -d)
   log_debug "downloading files into ${tmpdir}"
   http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
   http_download "${tmpdir}/${CHECKSUM}" "${CHECKSUM_URL}"
   hash_sha256_verify "${tmpdir}/${TARBALL}" "${tmpdir}/${CHECKSUM}"
   srcdir="${tmpdir}"
   (cd "${tmpdir}" && untar "${TARBALL}")
-  install -d "${BINDIR}"
-  for binexe in "task" ; do
+  test ! -d "${BINDIR}" && install -d "${BINDIR}"
+  for binexe in $BINARIES; do
     if [ "$OS" = "windows" ]; then
       binexe="${binexe}.exe"
     fi
     install "${srcdir}/${binexe}" "${BINDIR}/"
     log_info "installed ${BINDIR}/${binexe}"
   done
+  rm -rf "${tmpdir}"
 }
-is_supported_platform() {
-  platform=$1
-  found=1
-  case "$platform" in
-    windows/386) found=0 ;;
-    windows/amd64) found=0 ;;
-    darwin/386) found=0 ;;
-    darwin/amd64) found=0 ;;
-    linux/386) found=0 ;;
-    linux/amd64) found=0 ;;
+get_binaries() {
+  case "$PLATFORM" in
+    darwin/amd64) BINARIES="task" ;;
+    darwin/arm64) BINARIES="task" ;;
+    darwin/armv6) BINARIES="task" ;;
+    linux/386) BINARIES="task" ;;
+    linux/amd64) BINARIES="task" ;;
+    linux/arm64) BINARIES="task" ;;
+    linux/armv6) BINARIES="task" ;;
+    windows/386) BINARIES="task" ;;
+    windows/amd64) BINARIES="task" ;;
+    windows/arm64) BINARIES="task" ;;
+    windows/armv6) BINARIES="task" ;;
+    *)
+      log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
+      exit 1
+      ;;
   esac
-  case "$platform" in
-    darwin/386) found=1 ;;
-  esac
-  return $found
-}
-check_platform() {
-  if is_supported_platform "$PLATFORM"; then
-    # optional logging goes here
-    true
-  else
-    log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
-    exit 1
-  fi
 }
 tag_to_version() {
   if [ -z "${TAG}" ]; then
@@ -99,8 +95,8 @@ tag_to_version() {
   VERSION=${TAG#v}
 }
 adjust_format() {
-  # change format (tar.gz or zip) based on ARCH
-  case ${ARCH} in
+  # change format (tar.gz or zip) based on OS
+  case ${OS} in
     windows) FORMAT=zip ;;
   esac
   true
@@ -174,7 +170,9 @@ log_crit() {
 uname_os() {
   os=$(uname -s | tr '[:upper:]' '[:lower:]')
   case "$os" in
-    msys_nt) os="windows" ;;
+    cygwin_nt*) os="windows" ;;
+    mingw*) os="windows" ;;
+    msys_nt*) os="windows" ;;
   esac
   echo "$os"
 }
@@ -186,9 +184,9 @@ uname_arch() {
     i686) arch="386" ;;
     i386) arch="386" ;;
     aarch64) arch="arm64" ;;
-    armv5*) arch="arm5" ;;
-    armv6*) arch="arm6" ;;
-    armv7*) arch="arm7" ;;
+    armv5*) arch="armv5" ;;
+    armv6*) arch="armv6" ;;
+    armv7*) arch="armv7" ;;
   esac
   echo ${arch}
 }
@@ -234,8 +232,8 @@ uname_arch_check() {
 untar() {
   tarball=$1
   case "${tarball}" in
-    *.tar.gz | *.tgz) tar -xzf "${tarball}" ;;
-    *.tar) tar -xf "${tarball}" ;;
+    *.tar.gz | *.tgz) tar --no-same-owner -xzf "${tarball}" ;;
+    *.tar) tar --no-same-owner -xf "${tarball}" ;;
     *.zip) unzip "${tarball}" ;;
     *)
       log_err "untar unknown archive format for ${tarball}"
@@ -243,11 +241,6 @@ untar() {
       ;;
   esac
 }
-mktmpdir() {
-  test -z "$TMPDIR" && TMPDIR="$(mktemp -d)"
-  mkdir -p "${TMPDIR}"
-  echo "${TMPDIR}"
-}
 http_download_curl() {
   local_file=$1
   source_url=$2
@@ -368,7 +361,7 @@ uname_arch_check "$ARCH"
 
 parse_args "$@"
 
-check_platform
+get_binaries
 
 tag_to_version
 

docs/installation.md

@@ -68,12 +68,12 @@ The `task_checksums.txt` file contains the SHA-256 checksum for each file.
 
 #### **Install Script**
 
-We also have a [install script][installscript], which is very useful on
-scenarios like CIs. Many thanks to [GoDownloader][godownloader] for allowing
-easily generating this script.
+We also have an [install script][installscript] which is very useful in
+scenarios like CI. Many thanks to [GoDownloader][godownloader] for enabling the
+easy generation of this script.
 
 ```bash
-# For Default Installion to ./bin with debug logging
+# For Default Installation to ./bin with debug logging
 sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d
 
 # For Installation To /usr/local/bin for userwide access with debug logging
@@ -87,12 +87,12 @@ sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b /usr/local/b
 #### **GitHub Actions**
 
 If you want to install Task in GitHub Actions you can try using
-[this action](https://github.com/arduino/actions/tree/master/setup-taskfile)
+[this action](https://github.com/arduino/setup-task)
 by the Arduino team:
 
 ```yaml
 - name: Install Task
-  uses: Arduino/actions/setup-taskfile@master
+  uses: arduino/setup-task@v1
 ```
 
 This installation method is community owned.
@@ -107,29 +107,27 @@ This installation method is community owned.
 
 First, make sure you have [Go][go] properly installed and setup.
 
-You can easily install it globally by running:
+You can easily install the latest release globally by running:
 
 ```bash
-go get -u github.com/go-task/task/v3/cmd/task
+go install github.com/go-task/task/v3/cmd/task@latest
 ```
 
 Or you can install into another directory:
 
 ```bash
-git clone https://github.com/go-task/task
-cd task
+env GOBIN=/bin go install github.com/go-task/task/v3/cmd/task@latest
+```
 
-# Compiling binary to $GOPATH/bin
-go install -v ./cmd/task
+If using Go 1.15 or earlier, instead use:
 
-# Compiling it to another location.
-# Use -o ./task.exe on Windows.
-go build -v -o ./task ./cmd/task
+```bash
+env GO111MODULE=on go get -u github.com/go-task/task/v3/cmd/task@latest
 ```
 
 > For CI environments we recommend using the [Install Script](#get-the-binary)
 > instead, which is faster and more stable, since it'll just download the latest
-> released binary, instead of compiling the edge (master branch) version.
+> released binary.
 
 <!-- tabs:end -->
 

docs/releasing_task.md

@@ -36,4 +36,4 @@ If you think its Task version is outdated, open an issue to let us know.
 [gotaskrb]: https://github.com/go-task/homebrew-tap/blob/master/Formula/go-task.rb
 [snappackage]: https://github.com/go-task/snap
 [snapcraftyaml]: https://github.com/go-task/snap/blob/master/snap/snapcraft.yaml#L2
-[snapcraftdashboard]: https://dashboard.snapcraft.io/
+[snapcraftdashboard]: https://snapcraft.io/task/releases

docs/usage.md

@@ -520,6 +520,27 @@ tasks:
 
 This works for all types of variables.
 
+## Forwarding CLI arguments to commands
+
+If `--` is given in the CLI, all following paramaters are added to a
+special `.CLI_ARGS` variable. This is useful to forward arguments to another
+command.
+
+The below example will run `yarn install`.
+
+```bash
+$ task yarn -- install
+```
+
+```yaml
+version: '3'
+
+tasks:
+  yarn:
+    cmds:
+      - yarn {{.CLI_ARGS}}
+```
+
 ## Go's template engine
 
 Task parse commands as [Go's template engine][gotemplate] before executing

go.mod

@@ -1,17 +1,16 @@
 module github.com/go-task/task/v3
 
 require (
-	github.com/fatih/color v1.7.0
+	github.com/fatih/color v1.12.0
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0
 	github.com/joho/godotenv v1.3.0
-	github.com/mattn/go-colorable v0.1.2 // indirect
-	github.com/mattn/go-zglob v0.0.1
-	github.com/radovskyb/watcher v1.0.5
-	github.com/spf13/pflag v1.0.3
-	github.com/stretchr/testify v1.5.1
-	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
+	github.com/mattn/go-zglob v0.0.3
+	github.com/radovskyb/watcher v1.0.7
+	github.com/spf13/pflag v1.0.5
+	github.com/stretchr/testify v1.7.0
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
-	mvdan.cc/sh/v3 v3.2.1
+	mvdan.cc/sh/v3 v3.3.0
 )
 
 go 1.13

go.sum

@@ -1,3 +1,4 @@
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
 github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -6,57 +7,54 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
+github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
-github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/renameio v1.0.1-0.20210406141108-81588dbe0453/go.mod h1:t/HQoYBZSsWSNK35C6CO/TpPLDVWvxOHboWUAweKUpk=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
-github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
-github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
-github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
-github.com/mattn/go-zglob v0.0.1 h1:xsEx/XUoVlI6yXjqBK062zYhRTZltCNmYPx6v+8DNaY=
-github.com/mattn/go-zglob v0.0.1/go.mod h1:9fxibJccNxU2cnpIKLRRFA7zX7qhkJIQWBb449FYHOo=
-github.com/pkg/diff v0.0.0-20200914180035-5b29258ca4f7/go.mod h1:zO8QMzTeZd5cpnIkz/Gn6iK0jDfGicM1nynOkkPIl28=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/radovskyb/watcher v1.0.5 h1:wqt7gb+HjGacvFoLTKeT44C+XVPxu7bvHvKT1IvZ7rw=
-github.com/radovskyb/watcher v1.0.5/go.mod h1:78okwvY5wPdzcb1UYnip1pvrZNIVEIh/Cm+ZuvsUYIg=
-github.com/rogpeppe/go-internal v1.6.2/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
-github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
-github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/radovskyb/watcher v1.0.7 h1:AYePLih6dpmS32vlHfhCeli8127LzkIgwJGcwwe8tUE=
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+github.com/rogpeppe/go-internal v1.7.0/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
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+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201029080932-201ba4db2418 h1:HlFl4V6pEMziuLXyRkm5BIYq1y1GAbb02pRlWvI54OM=
-golang.org/x/sys v0.0.0-20201029080932-201ba4db2418/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20191110171634-ad39bd3f0407 h1:5zh5atpUEdIc478E/ebrIaHLKcfVvG6dL/fGv7BcMoM=
-golang.org/x/term v0.0.0-20191110171634-ad39bd3f0407/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
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 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/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-mvdan.cc/editorconfig v0.1.1-0.20200121172147-e40951bde157/go.mod h1:Ge4atmRUYqueGppvJ7JNrtqpqokoJEFxYbP0Z+WeKS8=
-mvdan.cc/sh/v3 v3.2.1 h1:uQBpiGM+rEuHse3Q+W7ajuJUeOtFVJUN/6GeX4/dUWE=
-mvdan.cc/sh/v3 v3.2.1/go.mod h1:fPQmabBpREM/XQ9YXSU5ZFZ/Sm+PmKP9/vkFHgYKJEI=
+mvdan.cc/editorconfig v0.2.0/go.mod h1:lvnnD3BNdBYkhq+B4uBuFFKatfp02eB6HixDvEz91C0=
+mvdan.cc/sh/v3 v3.3.0 h1:ujzElMnry63f4I5sjPFxzo6xia+gwsHZM0yyauuyZ6k=
+mvdan.cc/sh/v3 v3.3.0/go.mod h1:dh3avhLDhJJ/MJKzbak6FYn+DJKUWk7Fb6Dh5mGdv6Y=

help.go

@@ -30,7 +30,7 @@ func (e *Executor) tasksWithDesc() (tasks []*taskfile.Task) {
 	tasks = make([]*taskfile.Task, 0, len(e.Taskfile.Tasks))
 	for _, task := range e.Taskfile.Tasks {
 		if task.Desc != "" {
-			compiledTask, err := e.CompiledTask(taskfile.Call{Task: task.Task})
+			compiledTask, err := e.FastCompiledTask(taskfile.Call{Task: task.Task})
 			if err == nil {
 				task = compiledTask
 			}

install-task.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-# Code generated by godownloader on 2018-04-07T17:47:38Z. DO NOT EDIT.
+# Code generated by godownloader on 2021-01-12T13:40:40Z. DO NOT EDIT.
 #
 
 usage() {
@@ -27,11 +27,12 @@ parse_args() {
   # over-ridden by flag below
 
   BINDIR=${BINDIR:-./bin}
-  while getopts "b:dh?" arg; do
+  while getopts "b:dh?x" arg; do
     case "$arg" in
       b) BINDIR="$OPTARG" ;;
       d) log_set_priority 10 ;;
       h | \?) usage "$0" ;;
+      x) set -x ;;
     esac
   done
   shift $((OPTIND - 1))
@@ -42,46 +43,41 @@ parse_args() {
 # network, either nothing will happen or will syntax error
 # out preventing half-done work
 execute() {
-  tmpdir=$(mktmpdir)
+  tmpdir=$(mktemp -d)
   log_debug "downloading files into ${tmpdir}"
   http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
   http_download "${tmpdir}/${CHECKSUM}" "${CHECKSUM_URL}"
   hash_sha256_verify "${tmpdir}/${TARBALL}" "${tmpdir}/${CHECKSUM}"
   srcdir="${tmpdir}"
   (cd "${tmpdir}" && untar "${TARBALL}")
-  install -d "${BINDIR}"
-  for binexe in "task" ; do
+  test ! -d "${BINDIR}" && install -d "${BINDIR}"
+  for binexe in $BINARIES; do
     if [ "$OS" = "windows" ]; then
       binexe="${binexe}.exe"
     fi
     install "${srcdir}/${binexe}" "${BINDIR}/"
     log_info "installed ${BINDIR}/${binexe}"
   done
+  rm -rf "${tmpdir}"
 }
-is_supported_platform() {
-  platform=$1
-  found=1
-  case "$platform" in
-    windows/386) found=0 ;;
-    windows/amd64) found=0 ;;
-    darwin/386) found=0 ;;
-    darwin/amd64) found=0 ;;
-    linux/386) found=0 ;;
-    linux/amd64) found=0 ;;
+get_binaries() {
+  case "$PLATFORM" in
+    darwin/amd64) BINARIES="task" ;;
+    darwin/arm64) BINARIES="task" ;;
+    darwin/armv6) BINARIES="task" ;;
+    linux/386) BINARIES="task" ;;
+    linux/amd64) BINARIES="task" ;;
+    linux/arm64) BINARIES="task" ;;
+    linux/armv6) BINARIES="task" ;;
+    windows/386) BINARIES="task" ;;
+    windows/amd64) BINARIES="task" ;;
+    windows/arm64) BINARIES="task" ;;
+    windows/armv6) BINARIES="task" ;;
+    *)
+      log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
+      exit 1
+      ;;
   esac
-  case "$platform" in
-    darwin/386) found=1 ;;
-  esac
-  return $found
-}
-check_platform() {
-  if is_supported_platform "$PLATFORM"; then
-    # optional logging goes here
-    true
-  else
-    log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
-    exit 1
-  fi
 }
 tag_to_version() {
   if [ -z "${TAG}" ]; then
@@ -99,8 +95,8 @@ tag_to_version() {
   VERSION=${TAG#v}
 }
 adjust_format() {
-  # change format (tar.gz or zip) based on ARCH
-  case ${ARCH} in
+  # change format (tar.gz or zip) based on OS
+  case ${OS} in
     windows) FORMAT=zip ;;
   esac
   true
@@ -174,7 +170,9 @@ log_crit() {
 uname_os() {
   os=$(uname -s | tr '[:upper:]' '[:lower:]')
   case "$os" in
-    msys_nt) os="windows" ;;
+    cygwin_nt*) os="windows" ;;
+    mingw*) os="windows" ;;
+    msys_nt*) os="windows" ;;
   esac
   echo "$os"
 }
@@ -186,9 +184,9 @@ uname_arch() {
     i686) arch="386" ;;
     i386) arch="386" ;;
     aarch64) arch="arm64" ;;
-    armv5*) arch="arm5" ;;
-    armv6*) arch="arm6" ;;
-    armv7*) arch="arm7" ;;
+    armv5*) arch="armv5" ;;
+    armv6*) arch="armv6" ;;
+    armv7*) arch="armv7" ;;
   esac
   echo ${arch}
 }
@@ -234,8 +232,8 @@ uname_arch_check() {
 untar() {
   tarball=$1
   case "${tarball}" in
-    *.tar.gz | *.tgz) tar -xzf "${tarball}" ;;
-    *.tar) tar -xf "${tarball}" ;;
+    *.tar.gz | *.tgz) tar --no-same-owner -xzf "${tarball}" ;;
+    *.tar) tar --no-same-owner -xf "${tarball}" ;;
     *.zip) unzip "${tarball}" ;;
     *)
       log_err "untar unknown archive format for ${tarball}"
@@ -243,11 +241,6 @@ untar() {
       ;;
   esac
 }
-mktmpdir() {
-  test -z "$TMPDIR" && TMPDIR="$(mktemp -d)"
-  mkdir -p "${TMPDIR}"
-  echo "${TMPDIR}"
-}
 http_download_curl() {
   local_file=$1
   source_url=$2
@@ -368,7 +361,7 @@ uname_arch_check "$ARCH"
 
 parse_args "$@"
 
-check_platform
+get_binaries
 
 tag_to_version
 

internal/compiler/compiler.go

@@ -8,6 +8,7 @@ import (
 // E.g. variable merger, template processing, etc.
 type Compiler interface {
 	GetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error)
+	FastGetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error)
 	HandleDynamicVar(v taskfile.Var, dir string) (string, error)
 	ResetCache()
 }

internal/compiler/v2/compiler_v2.go

@@ -30,6 +30,11 @@ type CompilerV2 struct {
 	muDynamicCache sync.Mutex
 }
 
+// FastGetVariables is a no-op on v2
+func (c *CompilerV2) FastGetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error) {
+	return c.GetVariables(t, call)
+}
+
 // GetVariables returns fully resolved variables following the priority order:
 // 1. Task variables
 // 2. Call variables

internal/compiler/v3/compiler_v3.go

@@ -20,6 +20,7 @@ var _ compiler.Compiler = &CompilerV3{}
 type CompilerV3 struct {
 	Dir string
 
+	TaskfileEnv  *taskfile.Vars
 	TaskfileVars *taskfile.Vars
 
 	Logger *logger.Logger
@@ -29,6 +30,14 @@ type CompilerV3 struct {
 }
 
 func (c *CompilerV3) GetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error) {
+	return c.getVariables(t, call, true)
+}
+
+func (c *CompilerV3) FastGetVariables(t *taskfile.Task, call taskfile.Call) (*taskfile.Vars, error) {
+	return c.getVariables(t, call, false)
+}
+
+func (c *CompilerV3) getVariables(t *taskfile.Task, call taskfile.Call, evaluateShVars bool) (*taskfile.Vars, error) {
 	result := compiler.GetEnviron()
 	result.Set("TASK", taskfile.Var{Static: t.Task})
 
@@ -36,6 +45,11 @@ func (c *CompilerV3) GetVariables(t *taskfile.Task, call taskfile.Call) (*taskfi
 		return func(k string, v taskfile.Var) error {
 			tr := templater.Templater{Vars: result, RemoveNoValue: true}
 
+			if !evaluateShVars {
+				result.Set(k, taskfile.Var{Static: tr.Replace(v.Static)})
+				return nil
+			}
+
 			v = taskfile.Var{
 				Static: tr.Replace(v.Static),
 				Sh:     tr.Replace(v.Sh),
@@ -54,6 +68,9 @@ func (c *CompilerV3) GetVariables(t *taskfile.Task, call taskfile.Call) (*taskfi
 	}
 	rangeFunc := getRangeFunc(c.Dir)
 
+	if err := c.TaskfileEnv.Range(rangeFunc); err != nil {
+		return nil, err
+	}
 	if err := c.TaskfileVars.Range(rangeFunc); err != nil {
 		return nil, err
 	}

internal/logger/logger.go

@@ -6,17 +6,16 @@ import (
 	"github.com/fatih/color"
 )
 
+type Color func() PrintFunc
 type PrintFunc func(io.Writer, string, ...interface{})
 
-var (
-	Default PrintFunc = color.New(color.Reset).FprintfFunc()
-	Blue    PrintFunc = color.New(color.FgBlue).FprintfFunc()
-	Green   PrintFunc = color.New(color.FgGreen).FprintfFunc()
-	Cyan    PrintFunc = color.New(color.FgCyan).FprintfFunc()
-	Yellow  PrintFunc = color.New(color.FgYellow).FprintfFunc()
-	Magenta PrintFunc = color.New(color.FgMagenta).FprintfFunc()
-	Red     PrintFunc = color.New(color.FgRed).FprintfFunc()
-)
+func Default() PrintFunc { return color.New(color.Reset).FprintfFunc() }
+func Blue() PrintFunc    { return color.New(color.FgBlue).FprintfFunc() }
+func Green() PrintFunc   { return color.New(color.FgGreen).FprintfFunc() }
+func Cyan() PrintFunc    { return color.New(color.FgCyan).FprintfFunc() }
+func Yellow() PrintFunc  { return color.New(color.FgYellow).FprintfFunc() }
+func Magenta() PrintFunc { return color.New(color.FgMagenta).FprintfFunc() }
+func Red() PrintFunc     { return color.New(color.FgRed).FprintfFunc() }
 
 // Logger is just a wrapper that prints stuff to STDOUT or STDERR,
 // with optional color.
@@ -28,37 +27,39 @@ type Logger struct {
 }
 
 // Outf prints stuff to STDOUT.
-func (l *Logger) Outf(print PrintFunc, s string, args ...interface{}) {
+func (l *Logger) Outf(color Color, s string, args ...interface{}) {
 	if len(args) == 0 {
 		s, args = "%s", []interface{}{s}
 	}
 	if !l.Color {
-		print = Default
+		color = Default
 	}
+	print := color()
 	print(l.Stdout, s+"\n", args...)
 }
 
 // VerboseOutf prints stuff to STDOUT if verbose mode is enabled.
-func (l *Logger) VerboseOutf(print PrintFunc, s string, args ...interface{}) {
+func (l *Logger) VerboseOutf(color Color, s string, args ...interface{}) {
 	if l.Verbose {
-		l.Outf(print, s, args...)
+		l.Outf(color, s, args...)
 	}
 }
 
 // Errf prints stuff to STDERR.
-func (l *Logger) Errf(print PrintFunc, s string, args ...interface{}) {
+func (l *Logger) Errf(color Color, s string, args ...interface{}) {
 	if len(args) == 0 {
 		s, args = "%s", []interface{}{s}
 	}
 	if !l.Color {
-		print = Default
+		color = Default
 	}
+	print := color()
 	print(l.Stderr, s+"\n", args...)
 }
 
 // VerboseErrf prints stuff to STDERR if verbose mode is enabled.
-func (l *Logger) VerboseErrf(print PrintFunc, s string, args ...interface{}) {
+func (l *Logger) VerboseErrf(color Color, s string, args ...interface{}) {
 	if l.Verbose {
-		l.Errf(print, s, args...)
+		l.Errf(color, s, args...)
 	}
 }

internal/status/checksum.go

@@ -53,7 +53,7 @@ func (c *Checksum) IsUpToDate() (bool, error) {
 	if len(c.Generates) > 0 {
 		// For each specified 'generates' field, check whether the files actually exist
 		for _, g := range c.Generates {
-			generates, err := glob(c.TaskDir, g)
+			generates, err := Glob(c.TaskDir, g)
 			if os.IsNotExist(err) {
 				return false, nil
 			}

internal/status/glob.go

@@ -13,7 +13,7 @@ import (
 func globs(dir string, globs []string) ([]string, error) {
 	files := make([]string, 0)
 	for _, g := range globs {
-		f, err := glob(dir, g)
+		f, err := Glob(dir, g)
 		if err != nil {
 			continue
 		}
@@ -23,7 +23,7 @@ func globs(dir string, globs []string) ([]string, error) {
 	return files, nil
 }
 
-func glob(dir string, g string) ([]string, error) {
+func Glob(dir string, g string) ([]string, error) {
 	files := make([]string, 0)
 	if !filepath.IsAbs(g) {
 		g = filepath.Join(dir, g)

internal/templater/templater.go

@@ -63,7 +63,7 @@ func (r *Templater) ReplaceSlice(strs []string) []string {
 }
 
 func (r *Templater) ReplaceVars(vars *taskfile.Vars) *taskfile.Vars {
-	if r.err != nil || vars == nil || len(vars.Keys) == 0 {
+	if r.err != nil || vars.Len() == 0 {
 		return nil
 	}
 

task.go

@@ -32,16 +32,17 @@ const (
 type Executor struct {
 	Taskfile *taskfile.Taskfile
 
-	Dir        string
-	Entrypoint string
-	Force      bool
-	Watch      bool
-	Verbose    bool
-	Silent     bool
-	Dry        bool
-	Summary    bool
-	Parallel   bool
-	Color      bool
+	Dir         string
+	Entrypoint  string
+	Force       bool
+	Watch       bool
+	Verbose     bool
+	Silent      bool
+	Dry         bool
+	Summary     bool
+	Parallel    bool
+	Color       bool
+	Concurrency int
 
 	Stdin  io.Reader
 	Stdout io.Writer
@@ -54,8 +55,9 @@ type Executor struct {
 
 	taskvars *taskfile.Vars
 
-	taskCallCount map[string]*int32
-	mkdirMutexMap map[string]*sync.Mutex
+	concurrencySemaphore chan struct{}
+	taskCallCount        map[string]*int32
+	mkdirMutexMap        map[string]*sync.Mutex
 }
 
 // Run runs Task
@@ -71,7 +73,7 @@ func (e *Executor) Run(ctx context.Context, calls ...taskfile.Call) error {
 
 	if e.Summary {
 		for i, c := range calls {
-			compiledTask, err := e.CompiledTask(c)
+			compiledTask, err := e.FastCompiledTask(c)
 			if err != nil {
 				return nil
 			}
@@ -168,6 +170,7 @@ func (e *Executor) Setup() error {
 	} else {
 		e.Compiler = &compilerv3.CompilerV3{
 			Dir:          e.Dir,
+			TaskfileEnv:  e.Taskfile.Env,
 			TaskfileVars: e.Taskfile.Vars,
 			Logger:       e.Logger,
 		}
@@ -246,6 +249,10 @@ func (e *Executor) Setup() error {
 		e.taskCallCount[k] = new(int32)
 		e.mkdirMutexMap[k] = &sync.Mutex{}
 	}
+
+	if e.Concurrency > 0 {
+		e.concurrencySemaphore = make(chan struct{}, e.Concurrency)
+	}
 	return nil
 }
 
@@ -259,6 +266,9 @@ func (e *Executor) RunTask(ctx context.Context, call taskfile.Call) error {
 		return &MaximumTaskCallExceededError{task: call.Task}
 	}
 
+	release := e.acquireConcurrencyLimit()
+	defer release()
+
 	if err := e.runDeps(ctx, t); err != nil {
 		return err
 	}
@@ -323,6 +333,9 @@ func (e *Executor) mkdir(t *taskfile.Task) error {
 func (e *Executor) runDeps(ctx context.Context, t *taskfile.Task) error {
 	g, ctx := errgroup.WithContext(ctx)
 
+	reacquire := e.releaseConcurrencyLimit()
+	defer reacquire()
+
 	for _, d := range t.Deps {
 		d := d
 
@@ -343,6 +356,9 @@ func (e *Executor) runCommand(ctx context.Context, t *taskfile.Task, call taskfi
 
 	switch {
 	case cmd.Task != "":
+		reacquire := e.releaseConcurrencyLimit()
+		defer reacquire()
+
 		err := e.RunTask(ctx, taskfile.Call{Task: cmd.Task, Vars: cmd.Vars})
 		if err != nil {
 			return err
@@ -350,7 +366,7 @@ func (e *Executor) runCommand(ctx context.Context, t *taskfile.Task, call taskfi
 		return nil
 	case cmd.Cmd != "":
 		if e.Verbose || (!cmd.Silent && !t.Silent && !e.Taskfile.Silent && !e.Silent) {
-			e.Logger.Errf(logger.Green, "task: %s", cmd.Cmd)
+			e.Logger.Errf(logger.Green, "task: [%s] %s", t.Name(), cmd.Cmd)
 		}
 
 		if e.Dry {
@@ -381,7 +397,7 @@ func (e *Executor) runCommand(ctx context.Context, t *taskfile.Task, call taskfi
 			Stderr:  stdErr,
 		})
 		if execext.IsExitError(err) && cmd.IgnoreError {
-			e.Logger.VerboseErrf(logger.Yellow, "task: command error ignored: %v", err)
+			e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v", t.Name(), err)
 			return nil
 		}
 		return err
@@ -396,10 +412,19 @@ func getEnviron(t *taskfile.Task) []string {
 	}
 
 	environ := os.Environ()
+
 	for k, v := range t.Env.ToCacheMap() {
-		if s, ok := v.(string); ok {
-			environ = append(environ, fmt.Sprintf("%s=%s", k, s))
+		str, isString := v.(string)
+		if !isString {
+			continue
 		}
+
+		if _, alreadySet := os.LookupEnv(k); alreadySet {
+			continue
+		}
+
+		environ = append(environ, fmt.Sprintf("%s=%s", k, str))
 	}
+
 	return environ
 }

task_test.go

@@ -17,6 +17,10 @@ import (
 	"github.com/go-task/task/v3/taskfile"
 )
 
+func init() {
+	_ = os.Setenv("NO_COLOR", "1")
+}
+
 // fileContentTest provides a basic reusable test-case for running a Taskfile
 // and inspect generated files.
 type fileContentTest struct {
@@ -126,6 +130,7 @@ func TestVarsV3(t *testing.T) {
 			"var-order.txt":    "ABCDEF\n",
 			"dependent-sh.txt": "123456\n",
 			"with-call.txt":    "Hi, ABC123!\n",
+			"from-dot-env.txt": "From .env file\n",
 		},
 	}
 	tt.Run(t)
@@ -170,6 +175,22 @@ func TestVarsInvalidTmpl(t *testing.T) {
 	assert.EqualError(t, e.Run(context.Background(), taskfile.Call{Task: target}), expectError, "e.Run(target)")
 }
 
+func TestConcurrency(t *testing.T) {
+	const (
+		dir    = "testdata/concurrency"
+		target = "default"
+	)
+
+	e := &task.Executor{
+		Dir:         dir,
+		Stdout:      ioutil.Discard,
+		Stderr:      ioutil.Discard,
+		Concurrency: 1,
+	}
+	assert.NoError(t, e.Setup(), "e.Setup()")
+	assert.NoError(t, e.Run(context.Background(), taskfile.Call{Task: target}), "e.Run(target)")
+}
+
 func TestParams(t *testing.T) {
 	tt := fileContentTest{
 		Dir:       "testdata/params",
@@ -609,7 +630,7 @@ func TestDry(t *testing.T) {
 	assert.NoError(t, e.Setup())
 	assert.NoError(t, e.Run(context.Background(), taskfile.Call{Task: "build"}))
 
-	assert.Equal(t, "task: touch file.txt", strings.TrimSpace(buff.String()))
+	assert.Equal(t, "task: [build] touch file.txt", strings.TrimSpace(buff.String()))
 	if _, err := os.Stat(file); err == nil {
 		t.Errorf("File should not exist %s", file)
 	}

taskfile/cmd.go

@@ -1,7 +1,6 @@
 package taskfile
 
 import (
-	"errors"
 	"strings"
 )
 
@@ -20,13 +19,6 @@ type Dep struct {
 	Vars *Vars
 }
 
-var (
-	// ErrCantUnmarshalCmd is returned for invalid command YAML
-	ErrCantUnmarshalCmd = errors.New("task: can't unmarshal cmd value")
-	// ErrCantUnmarshalDep is returned for invalid dependency YAML
-	ErrCantUnmarshalDep = errors.New("task: can't unmarshal dep value")
-)
-
 // UnmarshalYAML implements yaml.Unmarshaler interface
 func (c *Cmd) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	var cmd string
@@ -53,12 +45,12 @@ func (c *Cmd) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		Task string
 		Vars *Vars
 	}
-	if err := unmarshal(&taskCall); err == nil {
-		c.Task = taskCall.Task
-		c.Vars = taskCall.Vars
-		return nil
+	if err := unmarshal(&taskCall); err != nil {
+		return err
 	}
-	return ErrCantUnmarshalCmd
+	c.Task = taskCall.Task
+	c.Vars = taskCall.Vars
+	return nil
 }
 
 // UnmarshalYAML implements yaml.Unmarshaler interface
@@ -72,10 +64,10 @@ func (d *Dep) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		Task string
 		Vars *Vars
 	}
-	if err := unmarshal(&taskCall); err == nil {
-		d.Task = taskCall.Task
-		d.Vars = taskCall.Vars
-		return nil
+	if err := unmarshal(&taskCall); err != nil {
+		return err
 	}
-	return ErrCantUnmarshalDep
+	d.Task = taskCall.Task
+	d.Vars = taskCall.Vars
+	return nil
 }

taskfile/included_taskfile.go

@@ -6,11 +6,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-var (
-	// ErrCantUnmarshalIncludedTaskfile is returned for invalid var YAML.
-	ErrCantUnmarshalIncludedTaskfile = errors.New("task: can't unmarshal included value")
-)
-
 // IncludedTaskfile represents information about included tasksfile
 type IncludedTaskfile struct {
 	Taskfile       string
@@ -98,12 +93,11 @@ func (it *IncludedTaskfile) UnmarshalYAML(unmarshal func(interface{}) error) err
 		Taskfile string
 		Dir      string
 	}
-	if err := unmarshal(&includedTaskfile); err == nil {
-		it.Dir = includedTaskfile.Dir
-		it.Taskfile = includedTaskfile.Taskfile
-		it.AdvancedImport = true
-		return nil
+	if err := unmarshal(&includedTaskfile); err != nil {
+		return err
 	}
-
-	return ErrCantUnmarshalIncludedTaskfile
+	it.Dir = includedTaskfile.Dir
+	it.Taskfile = includedTaskfile.Taskfile
+	it.AdvancedImport = true
+	return nil
 }

taskfile/task.go

@@ -1,9 +1,5 @@
 package taskfile
 
-import (
-	"errors"
-)
-
 // Tasks represents a group of tasks
 type Tasks map[string]*Task
 
@@ -28,11 +24,6 @@ type Task struct {
 	IgnoreError   bool
 }
 
-var (
-	// ErrCantUnmarshalTask is returned for invalid task YAML
-	ErrCantUnmarshalTask = errors.New("task: can't unmarshal task value")
-)
-
 func (t *Task) Name() string {
 	if t.Label != "" {
 		return t.Label
@@ -71,26 +62,24 @@ func (t *Task) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		Prefix        string
 		IgnoreError   bool `yaml:"ignore_error"`
 	}
-	if err := unmarshal(&task); err == nil {
-		t.Cmds = task.Cmds
-		t.Deps = task.Deps
-		t.Label = task.Label
-		t.Desc = task.Desc
-		t.Summary = task.Summary
-		t.Sources = task.Sources
-		t.Generates = task.Generates
-		t.Status = task.Status
-		t.Preconditions = task.Preconditions
-		t.Dir = task.Dir
-		t.Vars = task.Vars
-		t.Env = task.Env
-		t.Silent = task.Silent
-		t.Method = task.Method
-		t.Prefix = task.Prefix
-		t.IgnoreError = task.IgnoreError
-
-		return nil
+	if err := unmarshal(&task); err != nil {
+		return err
 	}
-
-	return ErrCantUnmarshalTask
+	t.Cmds = task.Cmds
+	t.Deps = task.Deps
+	t.Label = task.Label
+	t.Desc = task.Desc
+	t.Summary = task.Summary
+	t.Sources = task.Sources
+	t.Generates = task.Generates
+	t.Status = task.Status
+	t.Preconditions = task.Preconditions
+	t.Dir = task.Dir
+	t.Vars = task.Vars
+	t.Env = task.Env
+	t.Silent = task.Silent
+	t.Method = task.Method
+	t.Prefix = task.Prefix
+	t.IgnoreError = task.IgnoreError
+	return nil
 }

taskfile/var.go

@@ -7,11 +7,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-var (
-	// ErrCantUnmarshalVar is returned for invalid var YAML.
-	ErrCantUnmarshalVar = errors.New("task: can't unmarshal var value")
-)
-
 // Vars is a string[string] variables map.
 type Vars struct {
 	Keys    []string
@@ -75,7 +70,7 @@ func (vs *Vars) Range(yield func(key string, value Var) error) error {
 // ToCacheMap converts Vars to a map containing only the static
 // variables
 func (vs *Vars) ToCacheMap() (m map[string]interface{}) {
-	m = make(map[string]interface{}, len(vs.Keys))
+	m = make(map[string]interface{}, vs.Len())
 	vs.Range(func(k string, v Var) error {
 		if v.Sh != "" {
 			// Dynamic variable is not yet resolved; trigger
@@ -93,6 +88,14 @@ func (vs *Vars) ToCacheMap() (m map[string]interface{}) {
 	return
 }
 
+// Len returns the size of the map
+func (vs *Vars) Len() int {
+	if vs == nil {
+		return 0
+	}
+	return len(vs.Keys)
+}
+
 // Var represents either a static or dynamic variable.
 type Var struct {
 	Static string
@@ -116,10 +119,9 @@ func (v *Var) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	var sh struct {
 		Sh string
 	}
-	if err := unmarshal(&sh); err == nil {
-		v.Sh = sh.Sh
-		return nil
+	if err := unmarshal(&sh); err != nil {
+		return err
 	}
-
-	return ErrCantUnmarshalVar
+	v.Sh = sh.Sh
+	return nil
 }

testdata/concurrency/Taskfile.yml

@@ -0,0 +1,32 @@
+version: '2'
+
+tasks:
+  default:
+    deps:
+      - t1
+
+  t1:
+    deps:
+      - t3
+      - t4
+    cmds:
+      - task: t2
+      - echo done 1
+  t2:
+    deps:
+      - t5
+      - t6
+    cmds:
+      - echo done 2
+  t3:
+    cmds:
+      - echo done 3
+  t4:
+    cmds:
+      - echo done 4
+  t5:
+    cmds:
+      - echo done 5
+  t6:
+    cmds:
+      - echo done 6

testdata/vars/v3/.env

@@ -0,0 +1 @@
+DOT_ENV_VAR=From .env file

testdata/vars/v3/Taskfile.yml

@@ -1,5 +1,7 @@
 version: '3'
 
+dotenv: [.env]
+
 vars:
   VAR_A: A
   VAR_B: '{{.VAR_A}}B'
@@ -15,6 +17,7 @@ tasks:
     - task: var-order
     - task: dependent-sh
     - task: with-call
+    - task: from-dot-env
 
   missing-var: echo '{{.NON_EXISTING_VAR}}' > missing-var.txt
 
@@ -44,3 +47,5 @@ tasks:
       MESSAGE: Hi, {{.ABC123}}!
     cmds:
       - echo "{{.MESSAGE}}" > with-call.txt
+
+  from-dot-env: echo '{{.DOT_ENV_VAR}}' > from-dot-env.txt

variables.go

@@ -13,12 +13,27 @@ import (
 // CompiledTask returns a copy of a task, but replacing variables in almost all
 // properties using the Go template package.
 func (e *Executor) CompiledTask(call taskfile.Call) (*taskfile.Task, error) {
+	return e.compiledTask(call, true)
+}
+
+// FastCompiledTask is like CompiledTask, but it skippes dynamic variables.
+func (e *Executor) FastCompiledTask(call taskfile.Call) (*taskfile.Task, error) {
+	return e.compiledTask(call, false)
+}
+
+func (e *Executor) compiledTask(call taskfile.Call, evaluateShVars bool) (*taskfile.Task, error) {
 	origTask, ok := e.Taskfile.Tasks[call.Task]
 	if !ok {
 		return nil, &taskNotFoundError{call.Task}
 	}
 
-	vars, err := e.Compiler.GetVariables(origTask, call)
+	var vars *taskfile.Vars
+	var err error
+	if evaluateShVars {
+		vars, err = e.Compiler.GetVariables(origTask, call)
+	} else {
+		vars, err = e.Compiler.FastGetVariables(origTask, call)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -59,16 +74,18 @@ func (e *Executor) CompiledTask(call taskfile.Call) (*taskfile.Task, error) {
 	new.Env = &taskfile.Vars{}
 	new.Env.Merge(r.ReplaceVars(e.Taskfile.Env))
 	new.Env.Merge(r.ReplaceVars(origTask.Env))
-	err = new.Env.Range(func(k string, v taskfile.Var) error {
-		static, err := e.Compiler.HandleDynamicVar(v, new.Dir)
+	if evaluateShVars {
+		err = new.Env.Range(func(k string, v taskfile.Var) error {
+			static, err := e.Compiler.HandleDynamicVar(v, new.Dir)
+			if err != nil {
+				return err
+			}
+			new.Env.Set(k, taskfile.Var{Static: static})
+			return nil
+		})
 		if err != nil {
-			return err
+			return nil, err
 		}
-		new.Env.Set(k, taskfile.Var{Static: static})
-		return nil
-	})
-	if err != nil {
-		return nil, err
 	}
 
 	if len(origTask.Cmds) > 0 {

watch.go

@@ -2,6 +2,7 @@ package task
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"os/signal"
 	"path/filepath"
@@ -10,8 +11,8 @@ import (
 	"time"
 
 	"github.com/go-task/task/v3/internal/logger"
+	"github.com/go-task/task/v3/internal/status"
 	"github.com/go-task/task/v3/taskfile"
-	"github.com/mattn/go-zglob"
 	"github.com/radovskyb/watcher"
 )
 
@@ -127,9 +128,9 @@ func (e *Executor) registerWatchedFiles(w *watcher.Watcher, calls ...taskfile.Ca
 		}
 
 		for _, s := range task.Sources {
-			files, err := zglob.Glob(s)
+			files, err := status.Glob(task.Dir, s)
 			if err != nil {
-				return err
+				return fmt.Errorf("task: %s: %w", s, err)
 			}
 			for _, f := range files {
 				absFile, err := filepath.Abs(f)