cmd: imp code

internal/cmd/args.go

@@ -1,7 +1,6 @@
 package cmd
 
 import (
-	"encoding"
 	"flag"
 	"fmt"
 	"io"
@@ -12,6 +11,7 @@ import (
 	"github.com/AdguardTeam/dnsproxy/internal/version"
 	"github.com/AdguardTeam/golibs/errors"
 	"github.com/AdguardTeam/golibs/osutil"
+	"github.com/AdguardTeam/golibs/timeutil"
 )
 
 // Indexes to help with the [commandLineOptions] initialization.
@@ -476,17 +476,16 @@ func defineFlagVar(flags *flag.FlagSet, value flag.Value, o *commandLineOption)
 	}
 }
 
-// defineTextUnmarshalerFlag defines a flag with for the specified
-// [encoding.TextUnmarshaler] pointer and command line option.  o must not be
-// nil.
-func defineTextUnmarshalerFlag(
+// defineTimeDurationFlag defines a flag with for the specified
+// [*timeutil.Duration] pointer and command line option.  o must not be nil.
+func defineTimeDurationFlag(
 	flags *flag.FlagSet,
-	fieldPtr encoding.TextUnmarshaler,
+	fieldPtr *timeutil.Duration,
 	o *commandLineOption,
 ) {
-	flags.TextVar(fieldPtr, o.long, fieldPtr.(encoding.TextMarshaler), o.description)
+	flags.TextVar(fieldPtr, o.long, *fieldPtr, o.description)
 	if o.short != "" {
-		flags.TextVar(fieldPtr, o.short, fieldPtr.(encoding.TextMarshaler), o.description)
+		flags.TextVar(fieldPtr, o.short, *fieldPtr, o.description)
 	}
 }
 
@@ -510,8 +509,8 @@ func addOption(flags *flag.FlagSet, fieldPtr any, o *commandLineOption) {
 		defineFlagVar(flags, newIntSliceValue(fieldPtr), o)
 	case *[]string:
 		defineFlagVar(flags, newStringSliceValue(fieldPtr), o)
-	case encoding.TextUnmarshaler:
-		defineTextUnmarshalerFlag(flags, fieldPtr, o)
+	case *timeutil.Duration:
+		defineTimeDurationFlag(flags, fieldPtr, o)
 	default:
 		panic(fmt.Errorf("unexpected field pointer type %T: %w", fieldPtr, errors.ErrBadEnumValue))
 	}