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hgpatch: do not use hg exit status

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Fixes #2243.

R=rsc
CC=golang-dev
https://golang.org/cl/5146041
This commit is contained in:
Yasuhiro Matsumoto 2011-09-28 12:00:17 -04:00 committed by Russ Cox
parent 394842e2a5
commit 76ea456e45
1 changed files with 4 additions and 3 deletions
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7
src/cmd/hgpatch/main.go
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@ -268,9 +268,10 @@ func hgRoot() (string, os.Error) {
// hgIncoming returns true if hg sync will pull in changes.
func hgIncoming() bool {
// hg -q incoming exits 0 when there is nothing incoming, 1 otherwise.
_, err := run([]string{"hg", "-q", "incoming"}, nil)
return err == nil
// Cannot trust hg's exit code on Windows,
// so look at whether hg prints any output.
out, _ := run([]string{"hg", "-q", "incoming"}, nil)
return len(out) > 0
}
// hgModified returns a list of the modified files in the