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improved help

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This commit is contained in:
Jan Halfar 2015-12-18 10:43:31 +01:00
parent aea94c9977
commit 893ed0fc2a
1 changed files with 10 additions and 8 deletions
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18
foomo-bert/main.go
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@ -94,7 +94,7 @@ func validateFlagsPrepare(f *foomoFlagsPrepare) (err error) {
return nil
}
func usage() {
func usage(forCommand string) {
fmt.Println("usage:", os.Args[0], "<command>")
fsPrepare, _ := foomoFlagsetPrepare()
fsReset, _ := foomoFlagsetReset()
@ -102,15 +102,17 @@ func usage() {
"prepare": fsPrepare,
"reset": fsReset,
} {
fmt.Println(os.Args[0], command, ":")
fs.PrintDefaults()
if forCommand == "" || (forCommand == command) {
fmt.Println(os.Args[0], command, ":")
fs.PrintDefaults()
}
}
}
func flagErr(fs *flag.FlagSet, comment string, err error) {
func flagErr(fs *flag.FlagSet, command string, err error) {
if err != nil {
fmt.Println(comment, err.Error())
usage()
fmt.Println(command, err.Error())
usage(command)
os.Exit(1)
}
}
@ -153,9 +155,9 @@ func main() {
os.Exit(1)
}
default:
usage()
usage("")
}
} else {
usage()
usage("")
}
}