#!/bin/sh
# Copyright 2012 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# From https://golang.org/misc/git/pre-commit?m=text

# git gofmt pre-commit hook
#
# To use, execute script/install-git-hooks and all the hooks will
# by installed via symlink.
#
# This script does not handle file names that contain spaces.

gofiles=$(git diff --cached --name-only --diff-filter=ACM | grep '.go$')
[[ -z "$gofiles" ]] && exit 0

unformatted=$(gofmt -l "$gofiles")
[[ -z "$unformatted" ]] && exit 0

# Some files are not gofmt'd. Print message and fail.

echo >&2 "Go files must be formatted with gofmt. Please run: make fmt"

exit 1

