You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Open-IM-Server/pkg/util/flag/flag.go

41 lines
1.2 KiB

package flag
import (
goFlag "flag"
"log"
"strings"
"github.com/spf13/pflag"
)
// WordSepNormalizeFunc changes all flags that contain "_" separators.
func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
if strings.Contains(name, "_") {
return pflag.NormalizedName(strings.ReplaceAll(name, "_", "-"))
}
return pflag.NormalizedName(name)
}
// WarnWordSepNormalizeFunc changes and warns for flags that contain "_" separators.
func WarnWordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
if strings.Contains(name, "_") {
normalizedName := strings.ReplaceAll(name, "_", "-")
log.Printf("WARNING: flag %s has been deprecated and will be removed in a future version. Use %s instead.", name, normalizedName)
return pflag.NormalizedName(normalizedName)
}
return pflag.NormalizedName(name)
}
// InitFlags normalizes, parses, then logs the command line flags.
func InitFlags() {
pflag.CommandLine.SetNormalizeFunc(WordSepNormalizeFunc)
pflag.CommandLine.AddGoFlagSet(goFlag.CommandLine)
}
// PrintFlags logs the flags in the flagset.
func PrintFlags(flags *pflag.FlagSet) {
flags.VisitAll(func(flag *pflag.Flag) {
log.Printf("FLAG: --%s=%q", flag.Name, flag.Value)
})
}