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cmd/dist: delete unnecessary dirs from GOROOT on completion

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On my machine, these directories add up to 276mb
and account for 40% of the size of the GOROOT directory.

Once bootstrapping is complete, they are never used again.

Fixes #31851

Change-Id: Idbf8f21bae3d64655aa43761cc778677add6234a
Reviewed-on: https://go-review.googlesource.com/c/go/+/175377
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2019-05-06 09:18:08 -07:00
parent 0bf1f02ed9
commit a921881f85
2 changed files with 2 additions and 0 deletions
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1
src/cmd/dist/build.go vendored
View File

@ -496,6 +496,7 @@ func setup() {
xremoveall(p)
}
xmkdirall(p)
xatexit(func() { xremoveall(p) })
// Create tool directory.
// We keep it in pkg/, just like the object directory above.

1
src/cmd/dist/buildtool.go vendored
View File

@ -128,6 +128,7 @@ func bootstrapBuildTools() {
// but it is easier to debug on failure if the files are in a known location.
workspace := pathf("%s/pkg/bootstrap", goroot)
xremoveall(workspace)
xatexit(func() { xremoveall(workspace) })
base := pathf("%s/src/bootstrap", workspace)
xmkdirall(base)