Porting remainder of #796

flag_timestamp.go

@@ -72,6 +72,7 @@ type TimestampFlag struct {
 	DefaultText string
 	HasBeenSet  bool
 	Destination *Timestamp
+	Category    string
 }
 
 // IsSet returns whether or not the flag has been set through env or file
@@ -105,6 +106,11 @@ func (f *TimestampFlag) GetUsage() string {
 	return f.Usage
 }
 
+// GetCategory returns the category for the flag
+func (f *TimestampFlag) GetCategory() string {
+	return f.Category
+}
+
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *TimestampFlag) GetValue() string {