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misc/makerelease: workaround the go install -a restriction on release branches 

Fixes #9619.

Change-Id: I71931b0d546163e5451d7d72e552b08540e3c2a7
Reviewed-on: https://go-review.googlesource.com/2995
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Shenghou Ma 2015-01-16 21:07:23 -05:00 committed by Minux Ma
parent 778b649e38
commit 30e910197a
1 changed files with 17 additions and 3 deletions
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20
misc/makerelease/makerelease.go
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@ -277,13 +277,27 @@ func (b *Build) Do() error {
if b.OS == "windows" {
goCmd += ".exe"
}
// Because on release branches, go install -a std is a NOP,
// we have to resort to delete pkg/$GOOS_$GOARCH, install -race,
// and then reinstall std so that we're not left with a slower,
// race-enabled cmd/go, etc.
goPkg := filepath.Join(b.root, "pkg", b.OS+"_"+b.Arch)
err = os.RemoveAll(goPkg)
if err != nil {
return err
}
_, err = b.run(src, goCmd, "tool", "dist", "install", "runtime")
if err != nil {
return err
}
_, err = b.run(src, goCmd, "install", "-race", "std")
if err != nil {
return err
}
// Re-install std without -race, so that we're not left
// with a slower, race-enabled cmd/go, etc.
_, err = b.run(src, goCmd, "install", "-a", "std")
_, err = b.run(src, goCmd, "install", "std")
if err != nil {
return err
}
// Re-building go command leaves old versions of go.exe as go.exe~ on windows.
// See (*builder).copyFile in $GOROOT/src/cmd/go/build.go for details.
// Remove it manually.