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conf: show help before error exit

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nadoo 2018-01-04 15:26:18 +08:00
parent 13bc2d4a2e
commit ee9a8ceb3a
1 changed files with 1 additions and 0 deletions
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conf.go
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@ -47,6 +47,7 @@ func confInit() {
flag.Usage = usage flag.Usage = usage
err := flag.Parse() err := flag.Parse()
if err != nil { if err != nil {
flag.Usage()
fmt.Fprintf(os.Stderr, "ERROR: %s\n", err) fmt.Fprintf(os.Stderr, "ERROR: %s\n", err)
os.Exit(-1) os.Exit(-1)
} }