review/git-review: support help when not in git repository
Also use os.Args[0] for binary name.
Change-Id: Ib1b8fc07784c489101e117690a3416baab73f132
Reviewed-on: https://go-review.googlesource.com/1181
Reviewed-by: David Crawshaw <crawshaw@golang.org>
diff --git a/git-review/change.go b/git-review/change.go
index ee5f8cc..e8f5300 100644
--- a/git-review/change.go
+++ b/git-review/change.go
@@ -31,7 +31,7 @@
// Permit "review change master".
return
}
- dief("can't commit to master branch (use 'review change branchname').")
+ dief("can't commit to master branch (use '%s change branchname').", os.Args[0])
}
if branch.ChangeID == "" {
// No change commit on this branch, create one.
diff --git a/git-review/review.go b/git-review/review.go
index 4e7f347..e2ddc4f 100644
--- a/git-review/review.go
+++ b/git-review/review.go
@@ -81,17 +81,20 @@
`
func main() {
- installHook()
-
if len(os.Args) < 2 {
flags.Usage()
os.Exit(2)
}
command, args := os.Args[1], os.Args[2:]
- switch command {
- case "help":
+ if command == "help" {
fmt.Fprintf(os.Stdout, help, os.Args[0])
+ return
+ }
+
+ installHook()
+
+ switch command {
case "change", "c":
change(args)
case "pending", "p":
@@ -185,5 +188,5 @@
}
func printf(format string, args ...interface{}) {
- fmt.Fprintf(os.Stderr, "review: "+format+"\n", args...)
+ fmt.Fprintf(os.Stderr, os.Args[0]+": "+format+"\n", args...)
}
