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cmd/printdep: add --next flag to use rc Go build hash instead

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Updates tailscale/corp#36382

Change-Id: Ib7474b0aab901e98f0fe22761e26fd181650743c
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2026-01-27 14:44:32 -08:00
committed by Brad Fitzpatrick
parent a374cc344e
commit 8f8236feb3
3 changed files with 16 additions and 2 deletions
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cmd/printdep/printdep.go
+7 -2
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@@ -19,6 +19,7 @@ var (
goToolchain = flag.Bool("go", false, "print the supported Go toolchain git hash (a github.com/tailscale/go commit)")
goToolchainURL = flag.Bool("go-url", false, "print the URL to the tarball of the Tailscale Go toolchain")
alpine = flag.Bool("alpine", false, "print the tag of alpine docker image")
next = flag.Bool("next", false, "if set, modifies --go or --go-url to use the upcoming/unreleased/rc Go release version instead")
)
func main() {
@@ -27,8 +28,12 @@ func main() {
fmt.Println(strings.TrimSpace(ts.AlpineDockerTag))
return
}
goRev := strings.TrimSpace(ts.GoToolchainRev)
if *next {
goRev = strings.TrimSpace(ts.GoToolchainNextRev)
}
if *goToolchain {
fmt.Println(strings.TrimSpace(ts.GoToolchainRev))
fmt.Println(goRev)
}
if *goToolchainURL {
switch runtime.GOOS {
@@ -36,6 +41,6 @@ func main() {
default:
log.Fatalf("unsupported GOOS %q", runtime.GOOS)
}
fmt.Printf("https://github.com/tailscale/go/releases/download/build-%s/%s-%s.tar.gz\n", strings.TrimSpace(ts.GoToolchainRev), runtime.GOOS, runtime.GOARCH)
fmt.Printf("https://github.com/tailscale/go/releases/download/build-%s/%s-%s.tar.gz\n", goRev, runtime.GOOS, runtime.GOARCH)
}
}