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Merge pull request #981 from restic/reproducible-builds

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build.go: Strip temporary path, allow reproducible builds
This commit is contained in:
Alexander Neumann 2017-05-29 23:49:49 +02:00
commit 725d50554a
2 changed files with 9 additions and 2 deletions
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4
CHANGELOG.md
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@ -12,6 +12,10 @@ Small changes:
reporting the current status by sending a `USR1` signal to the process.
https://github.com/restic/restic/pull/974
* The `build.go` now strips the temporary directory used for compilation from
the binary. This is the first step in enabling reproducible builds.
https://github.com/restic/restic/pull/981
Important Changes in 0.6.0
==========================

7
build.go
View File

@ -195,8 +195,11 @@ func cleanEnv() (env []string) {
// build runs "go build args..." with GOPATH set to gopath.
func build(cwd, goos, goarch, gopath string, args ...string) error {
args = append([]string{"build"}, args...)
cmd := exec.Command("go", args...)
a := []string{"build"}
a = append(a, "-asmflags", fmt.Sprintf("-trimpath=%s", gopath))
a = append(a, "-gcflags", fmt.Sprintf("-trimpath=%s", gopath))
a = append(a, args...)
cmd := exec.Command("go", a...)
cmd.Env = append(cleanEnv(), "GOPATH="+gopath, "GOARCH="+goarch, "GOOS="+goos)
if !enableCGO {
cmd.Env = append(cmd.Env, "CGO_ENABLED=0")