Function newCommandFactory

pkg/hooks/handler.go:137–151

newCommandFactory resolves the OS shell once at factory-build time so per-hook invocations don't pay the shell-detection cost.

()

// newCommandFactory resolves the OS shell once at factory-build time so
// per-hook invocations don't pay the shell-detection cost.
func newCommandFactory() HandlerFactory {
	shell, shellArgs := shellpath.DetectShell()
	return func(env HandlerEnv, hook Hook) (Handler, error) {
		if hook.Command == "" {
			return nil, errors.New("command hook requires a non-empty command")
		}
		return &commandHandler{
			workingDir: hookWorkingDir(env.WorkingDir, hook.WorkingDir),
			env:        hookEnv(env.Env, hook.Env),
			shell:      shell,
			shellArgs:  shellArgs,
			command:    hook.Command,
		}, nil
	}
}

// hookWorkingDir resolves the directory a command hook runs in. An
// absolute override wins; a relative override is joined onto the