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cmd/api: work around Windows rename issue on the builders

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More cmd/api/run.go hell.

Fixes #9407

Change-Id: If8fb446a2471d6372beb0534c9ab6824029b404c
Reviewed-on: https://go-review.googlesource.com/2054
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Brad Fitzpatrick 2014-12-22 18:28:16 -08:00
parent e98f2179b1
commit 1e4b642f8d
1 changed files with 13 additions and 1 deletions
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14
src/cmd/api/run.go
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@ -150,7 +150,19 @@ func prepGoPath() string {
}
if err := os.Rename(tmpDir, finalDir); err != nil {
log.Fatal(err)
if os.IsExist(err) {
// A different builder beat us into putting this repo into
// its final place. But that's fine; if it's there, it's
// the right version and we can use it.
//
// This happens on the Go project's Windows builders
// especially, where we have two builders (386 and amd64)
// running at the same time, trying to compete for moving
// it into place.
os.RemoveAll(tmpDir)
} else {
log.Fatal(err)
}
}
return gopath
}