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feat(flags): auto-detect color output in CI environments

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Automatically enable colored output when running in CI environments
(CI=true or GITHUB_ACTIONS=true) without requiring FORCE_COLOR=1.

Priority: CLI flag > taskrc config > NO_COLOR > FORCE_COLOR/CI > TTY default

Also adds `color` option to taskrc for global configuration.
This commit is contained in:
Valentin Maerten
2025-12-12 18:59:37 +01:00
parent 8cd51af3b0
commit 2c27e90d4e
3 changed files with 26 additions and 6 deletions
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25
internal/flags/flags.go
View File

@@ -7,6 +7,7 @@ import (
"path/filepath"
"time"
"github.com/fatih/color"
"github.com/spf13/pflag"
"github.com/go-task/task/v3"
@@ -138,7 +139,7 @@ func init() {
pflag.StringVar(&Output.Group.Begin, "output-group-begin", "", "Message template to print before a task's grouped output.")
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.BoolVarP(&Color, "color", "c", getConfig(config, func() *bool { return config.Color }, true), "Colored output. Enabled by default. Set flag to false or use NO_COLOR=1 to disable.")
pflag.IntVarP(&Concurrency, "concurrency", "C", getConfig(config, func() *int { return config.Concurrency }, 0), "Limit number of tasks to run concurrently.")
pflag.DurationVarP(&Interval, "interval", "I", 0, "Interval to watch for changes.")
pflag.BoolVarP(&Failfast, "failfast", "F", getConfig(config, func() *bool { return &config.Failfast }, false), "When running tasks in parallel, stop all tasks if one fails.")
@@ -163,6 +164,28 @@ func init() {
pflag.DurationVar(&CacheExpiryDuration, "expiry", getConfig(config, func() *time.Duration { return config.Remote.CacheExpiry }, 0), "Expiry duration for cached remote Taskfiles.")
}
pflag.Parse()
// Auto-detect color based on environment when not explicitly configured
// Priority: CLI flag > taskrc config > NO_COLOR > FORCE_COLOR/CI > default
colorExplicitlySet := pflag.Lookup("color").Changed || (config != nil && config.Color != nil)
if !colorExplicitlySet {
if os.Getenv("NO_COLOR") != "" {
Color = false
color.NoColor = true
} else if os.Getenv("FORCE_COLOR") != "" || isCI() {
Color = true
color.NoColor = false // Force colors even without TTY
}
// Otherwise, let fatih/color auto-detect TTY
} else {
// Explicit config: sync with fatih/color
color.NoColor = !Color
}
}
// isCI returns true if running in a CI environment
func isCI() bool {
return os.Getenv("CI") == "true" || os.Getenv("GITHUB_ACTIONS") == "true"
}
func Validate() error {

5
internal/logger/logger.go
View File

@@ -3,7 +3,6 @@ package logger
import (
"bufio"
"io"
"os"
"slices"
"strconv"
"strings"
@@ -96,10 +95,6 @@ func BrightRed() PrintFunc {
}
func envColor(name string, defaultColor color.Attribute) []color.Attribute {
if os.Getenv("FORCE_COLOR") != "" {
color.NoColor = false
}
// Fetch the environment variable
override := env.GetTaskEnv(name)

2
taskrc/ast/taskrc.go
View File

@@ -12,6 +12,7 @@ import (
type TaskRC struct {
Version *semver.Version `yaml:"version"`
Verbose *bool `yaml:"verbose"`
Color *bool `yaml:"color"`
DisableFuzzy *bool `yaml:"disable-fuzzy"`
Concurrency *int `yaml:"concurrency"`
Remote Remote `yaml:"remote"`
@@ -54,6 +55,7 @@ func (t *TaskRC) Merge(other *TaskRC) {
}
t.Verbose = cmp.Or(other.Verbose, t.Verbose)
t.Color = cmp.Or(other.Color, t.Color)
t.DisableFuzzy = cmp.Or(other.DisableFuzzy, t.DisableFuzzy)
t.Concurrency = cmp.Or(other.Concurrency, t.Concurrency)
t.Failfast = cmp.Or(other.Failfast, t.Failfast)