Method installHook

dev/devcam/hook.go:40–80

()

}

func (c *hookCmd) installHook() error {
	root, err := repoRoot()
	if err != nil {
		return err
	}
	hookDir := filepath.Join(root, hookPath)
	if _, err := os.Stat(hookDir); err != nil {
		if !os.IsNotExist(err) {
			return err
		}
		if err := os.MkdirAll(hookDir, 0700); err != nil {
			return err
		}
	}
	for _, hookFile := range hookFiles {
		filename := filepath.Join(hookDir, hookFile)
		hookContent := fmt.Sprintf(hookScript, hookFile)
		// If hook file exists, assume it is okay.
		_, err := os.Stat(filename)
		if err == nil {
			if c.verbose {
				data, err := os.ReadFile(filename)
				if err != nil {
					c.verbosef("reading hook: %v", err)
				} else if string(data) != hookContent {
					c.verbosef("unexpected hook content in %s", filename)
				}
			}
			continue
		}

		if !os.IsNotExist(err) {
			return fmt.Errorf("checking hook: %v", err)
		}
		c.verbosef("installing %s hook", hookFile)
		if err := os.WriteFile(filename, []byte(hookContent), 0700); err != nil {
			return fmt.Errorf("writing hook: %v", err)
		}
	}
	return nil
}

var hookScript = `#!/bin/sh
exec devcam hook %s "$@"