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release/dist: add helper to build Go binaries with custom tags

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Updates tailscale/corp#12861

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2023-06-30 18:40:00 -07:00 committed by Dave Anderson
parent a795b4a641
commit 0a86705d59
1 changed files with 22 additions and 3 deletions
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25
release/dist/dist.go vendored
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@ -184,6 +184,17 @@ func (b *Build) TmpDir() string {
// binary. Builds are cached by path and env, so each build only happens once
// per process execution.
func (b *Build) BuildGoBinary(path string, env map[string]string) (string, error) {
return b.BuildGoBinaryWithTags(path, env, nil)
}
// BuildGoBinaryWithTags builds the Go binary at path and returns the
// path to the binary. Builds are cached by path, env and tags, so
// each build only happens once per process execution.
//
// The passed in tags override gocross's automatic selection of build
// tags, so you will have to figure out and specify all the tags
// relevant to your build.
func (b *Build) BuildGoBinaryWithTags(path string, env map[string]string, tags []string) (string, error) {
err := b.Once("init-go", func() error {
log.Printf("Initializing Go toolchain")
// If the build is using a tool/go, it may need to download a toolchain
@ -197,7 +208,7 @@ func (b *Build) BuildGoBinary(path string, env map[string]string) (string, error
return "", err
}
buildKey := []any{"go-build", path, env}
buildKey := []any{"go-build", path, env, tags}
return b.goBuilds.Do(buildKey, func() (string, error) {
b.goBuildLimit <- struct{}{}
defer func() { <-b.goBuildLimit }()
@ -207,9 +218,17 @@ func (b *Build) BuildGoBinary(path string, env map[string]string) (string, error
envStrs = append(envStrs, k+"="+v)
}
sort.Strings(envStrs)
log.Printf("Building %s (with env %s)", path, strings.Join(envStrs, " "))
buildDir := b.TmpDir()
cmd := b.Command(b.Repo, b.Go, "build", "-v", "-o", buildDir, path)
args := []string{"build", "-v", "-o", buildDir}
if len(tags) > 0 {
tagsStr := strings.Join(tags, ",")
log.Printf("Building %s (with env %s, tags %s)", path, strings.Join(envStrs, " "), tagsStr)
args = append(args, "-tags="+tagsStr)
} else {
log.Printf("Building %s (with env %s)", path, strings.Join(envStrs, " "))
}
args = append(args, path)
cmd := b.Command(b.Repo, b.Go, args...)
for k, v := range env {
cmd.Cmd.Env = append(cmd.Cmd.Env, k+"="+v)
}