3df5dcc1dc
This hook can be used for example to reject too large commits and it is executed before "update" hook, used exclusively by Gogs to update its state. https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks
125 lines
2.6 KiB
Go
125 lines
2.6 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"errors"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"github.com/Unknwon/com"
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)
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// hookNames is a list of Git hooks' name that are supported.
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var hookNames = []string{
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"applypatch-msg",
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"pre-applypatch",
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"post-applypatch",
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"pre-commit",
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"prepare-commit-msg",
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"commit-msg",
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"post-commit",
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"pre-rebase",
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"post-checkout",
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"post-merge",
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"pre-push",
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"pre-receive",
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// "update",
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"post-receive",
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"post-update",
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"push-to-checkout",
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"pre-auto-gc",
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"post-rewrite",
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}
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var (
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ErrNotValidHook = errors.New("not a valid Git hook")
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)
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// IsValidHookName returns true if given name is a valid Git hook.
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func IsValidHookName(name string) bool {
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for _, hn := range hookNames {
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if hn == name {
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return true
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}
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}
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return false
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}
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// Hook represents a Git hook.
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type Hook struct {
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name string
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IsActive bool // Indicates whether repository has this hook.
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Content string // Content of hook if it's active.
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Sample string // Sample content from Git.
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path string // Hook file path.
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}
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// GetHook returns a Git hook by given name and repository.
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func GetHook(repoPath, name string) (*Hook, error) {
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if !IsValidHookName(name) {
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return nil, ErrNotValidHook
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}
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h := &Hook{
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name: name,
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path: path.Join(repoPath, "hooks", name),
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}
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if isFile(h.path) {
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data, err := ioutil.ReadFile(h.path)
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if err != nil {
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return nil, err
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}
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h.IsActive = true
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h.Content = string(data)
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} else if isFile(h.path + ".sample") {
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data, err := ioutil.ReadFile(h.path + ".sample")
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if err != nil {
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return nil, err
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}
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h.Sample = string(data)
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}
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return h, nil
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}
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func (h *Hook) Name() string {
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return h.name
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}
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// Update updates hook settings.
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func (h *Hook) Update() error {
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if len(strings.TrimSpace(h.Content)) == 0 {
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if com.IsExist(h.path) {
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return os.Remove(h.path)
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}
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return nil
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}
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return ioutil.WriteFile(h.path, []byte(strings.Replace(h.Content, "\r", "", -1)), os.ModePerm)
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}
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// ListHooks returns a list of Git hooks of given repository.
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func ListHooks(repoPath string) (_ []*Hook, err error) {
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if !isDir(path.Join(repoPath, "hooks")) {
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return nil, errors.New("hooks path does not exist")
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}
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hooks := make([]*Hook, len(hookNames))
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for i, name := range hookNames {
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hooks[i], err = GetHook(repoPath, name)
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if err != nil {
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return nil, err
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}
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}
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return hooks, nil
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}
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func (repo *Repository) GetHook(name string) (*Hook, error) {
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return GetHook(repo.Path, name)
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}
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func (repo *Repository) Hooks() ([]*Hook, error) {
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return ListHooks(repo.Path)
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}
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