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flags.go
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flags.go
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package util
import (
"errors"
stdlog "log"
ggcrlog "github.com/google/go-containerregistry/pkg/logs"
log "github.com/sirupsen/logrus"
)
var (
defaultLogFormatter = &log.TextFormatter{}
)
// infoFormatter overrides the default format for Info() log events to
// provide an easier to read output
type infoFormatter struct {
}
func (f *infoFormatter) Format(entry *log.Entry) ([]byte, error) {
if entry.Level == log.InfoLevel {
return append([]byte(entry.Message), '\n'), nil
}
return defaultLogFormatter.Format(entry)
}
// SetupLogging once the flags have been parsed, setup the logging
func SetupLogging(quiet, verbose bool) error {
// Set up logging
log.SetFormatter(new(infoFormatter))
log.SetLevel(log.InfoLevel)
if quiet && verbose {
return errors.New("can't set quiet and verbose flag at the same time")
}
if quiet {
log.SetLevel(log.ErrorLevel)
}
if verbose {
// Switch back to the standard formatter
log.SetFormatter(defaultLogFormatter)
log.SetLevel(log.DebugLevel)
// set go-containerregistry logging as well
ggcrlog.Warn = stdlog.New(log.StandardLogger().WriterLevel(log.WarnLevel), "", 0)
ggcrlog.Debug = stdlog.New(log.StandardLogger().WriterLevel(log.DebugLevel), "", 0)
}
ggcrlog.Progress = stdlog.New(log.StandardLogger().WriterLevel(log.InfoLevel), "", 0)
return nil
}