From: Rob Pike <r@golang.org>
Date: Fri, 21 Oct 2011 18:16:46 +0000 (-0700)
Subject: gotest: make it easier to get the help string
X-Git-Tag: weekly.2011-10-25~17
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=c6bdef3fd83aa826abe14e8a63924365a286057f;p=gostls13.git

gotest: make it easier to get the help string
Because gotest's args are mingled with the tests, it's
hard to get the usage message to print. This CL adds
explicit support for -help, spelled several different ways.
Gotest has special flags like -file that are somewhat
hidden otherwise.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5298052
---

diff --git a/src/cmd/gotest/flag.go b/src/cmd/gotest/flag.go
index f8c2061ec6..0df9e24f13 100644
--- a/src/cmd/gotest/flag.go
+++ b/src/cmd/gotest/flag.go
@@ -107,6 +107,10 @@ func flag(i int) (f *flagSpec, value string, extra bool) {
 	if strings.HasPrefix(arg, "--") { // reduce two minuses to one
 		arg = arg[1:]
 	}
+	switch arg {
+	case "-?", "-h", "-help":
+		usage()
+	}
 	if arg == "" || arg[0] != '-' {
 		return
 	}