mirror of
https://github.com/tailscale/tailscale.git
synced 2026-04-22 14:02:19 +02:00
514d7d28e7
Pull the hook logic into a reusable githook library package so tailscale/corp can share it via a thin wrapper main instead of keeping a forked copy in sync. The install flow also changes: a wrapper scripts now build the binary and reinstall the git hooks. Pulling new shared code no longer requires re-running the installer. Updates tailscale/corp#39860 Change-Id: I4d606d11c8c883015c190c54e3387a7f9fe4dd32 Signed-off-by: Fernando Serboncini <fserb@tailscale.com>
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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// Package githook contains the shared implementation of Tailscale's git
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// hooks. The tailscale/tailscale and tailscale/corp repositories each have
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// a thin main package that dispatches to this one, calling individual
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// hook functions with per-repo arguments as needed.
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package githook
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import (
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_ "embed"
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"errors"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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)
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// Launcher is the canonical bytes of launcher.sh. Downstream repos
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// (e.g. tailscale/corp) rely on these bytes at install time.
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//
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//go:embed launcher.sh
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var Launcher []byte
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// RunLocalHook runs an optional user-supplied hook at
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// .git/hooks/<name>.local, if present.
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func RunLocalHook(hookName string, args []string) error {
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cmdPath, err := os.Executable()
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if err != nil {
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return err
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}
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localHookPath := filepath.Join(filepath.Dir(cmdPath), hookName+".local")
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if _, err := os.Stat(localHookPath); errors.Is(err, os.ErrNotExist) {
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return nil
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} else if err != nil {
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return fmt.Errorf("checking for local hook: %w", err)
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}
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cmd := exec.Command(localHookPath, args...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return fmt.Errorf("running local hook %q: %w", localHookPath, err)
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}
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return nil
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}
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