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Disable all colors in Buildpacks’s output when not in a terminal #3651
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Original file line number | Diff line number | Diff line change |
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@@ -20,7 +20,10 @@ import ( | |
"io" | ||
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"github.com/buildpacks/pack/logging" | ||
"github.com/mattn/go-colorable" | ||
"github.com/sirupsen/logrus" | ||
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"github.com/GoogleContainerTools/skaffold/pkg/skaffold/util" | ||
) | ||
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// logger exists to meet the requirements of the pack logger. | ||
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@@ -30,12 +33,27 @@ type logger struct { | |
} | ||
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func NewLogger(out io.Writer) logging.Logger { | ||
// If out is not a terminal, let's make sure no colors are printed. | ||
if _, isTerm := util.IsTerminal(out); !isTerm { | ||
out = colorable.NewNonColorable(out) | ||
} | ||
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l := logrus.New() | ||
l.SetOutput(out) | ||
l.SetFormatter(new(plainFormatter)) | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I'd appreciate a comment here as to why this formatter is required There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Added |
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return &logger{ | ||
Logger: logrus.StandardLogger(), | ||
Logger: l, | ||
out: out, | ||
} | ||
} | ||
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type plainFormatter struct{} | ||
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func (f *plainFormatter) Format(entry *logrus.Entry) ([]byte, error) { | ||
return []byte(entry.Message + "\n"), nil | ||
} | ||
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func (l *logger) Debug(msg string) { | ||
l.Logger.Debug(msg) | ||
} | ||
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Oh, I guess a problem here is that we never re-enable color.
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Yes, the new code is more robust