136 lines
3.0 KiB
Go
136 lines
3.0 KiB
Go
// Copyright 2015 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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"path/filepath"
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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 server hooks' name that are supported.
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var hookNames = []string{
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"pre-receive",
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"update",
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"post-receive",
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}
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var (
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// ErrNotValidHook error when a git hook is not valid
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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+".d", name),
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}
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samplePath := filepath.Join(repoPath, "hooks", name+".sample")
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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(samplePath) {
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data, err := ioutil.ReadFile(samplePath)
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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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// Name return the name of the hook
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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 isExist(h.path) {
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err := os.Remove(h.path)
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if err != nil {
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return err
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}
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}
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h.IsActive = false
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return nil
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}
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err := ioutil.WriteFile(h.path, []byte(strings.Replace(h.Content, "\r", "", -1)), os.ModePerm)
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if err != nil {
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return err
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}
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h.IsActive = true
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return nil
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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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const (
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// HookPathUpdate hook update path
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HookPathUpdate = "hooks/update"
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)
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// SetUpdateHook writes given content to update hook of the reposiotry.
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func SetUpdateHook(repoPath, content string) (err error) {
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log("Setting update hook: %s", repoPath)
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hookPath := path.Join(repoPath, HookPathUpdate)
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if com.IsExist(hookPath) {
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err = os.Remove(hookPath)
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} else {
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err = os.MkdirAll(path.Dir(hookPath), os.ModePerm)
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}
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if err != nil {
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return err
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}
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return ioutil.WriteFile(hookPath, []byte(content), 0777)
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}
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