feat(log): support setting minimum log level with GUM_LOG_LEVEL (#723)

closes #490
charmbracelet · Nov 18, 2024 · 1ffe8b7 · 1ffe8b7
1 parent c868aa1
commit 1ffe8b7
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diff --git a/log/command.go b/log/command.go
@@ -28,6 +28,13 @@ func (o Options) Run() error {
 	l.SetPrefix(o.Prefix)
 	l.SetLevel(-math.MaxInt32) // log all levels
 	l.SetReportTimestamp(o.Time != "")
+	if o.MinLevel != "" {
+		lvl, err := log.ParseLevel(o.MinLevel)
+		if err != nil {
+			return err
+		}
+		l.SetLevel(lvl)
+	}
 
 	timeFormats := map[string]string{
 		"layout":      time.Layout,

diff --git a/log/options.go b/log/options.go
@@ -16,6 +16,8 @@ type Options struct {
 	Structured bool   `short:"s" help:"Use structured logging" xor:"format,structured"`
 	Time       string `short:"t" help:"The time format to use (kitchen, layout, ansic, rfc822, etc...)" default:""`
 
+	MinLevel string `help:"Minimal level to show" default:"" env:"GUM_LOG_LEVEL"`
+
 	LevelStyle     style.Styles `embed:"" prefix:"level." help:"The style of the level being used" set:"defaultBold=true" envprefix:"GUM_LOG_LEVEL_"` //nolint:staticcheck
 	TimeStyle      style.Styles `embed:"" prefix:"time." help:"The style of the time" envprefix:"GUM_LOG_TIME_"`
 	PrefixStyle    style.Styles `embed:"" prefix:"prefix." help:"The style of the prefix" set:"defaultBold=true" set:"defaultFaint=true" envprefix:"GUM_LOG_PREFIX_"` //nolint:staticcheck