aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/code.gitea.io/git/hook.go
blob: d8069b6b828c72ff24d43ee725abf2aa72f3bcdf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
// Copyright 2015 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package git

import (
	"errors"
	"io/ioutil"
	"os"
	"path"
	"strings"

	"github.com/Unknwon/com"
)

// hookNames is a list of Git server hooks' name that are supported.
var hookNames = []string{
	"pre-receive",
	// "update",
	"post-receive",
}

var (
	// ErrNotValidHook error when a git hook is not valid
	ErrNotValidHook = errors.New("not a valid Git hook")
)

// IsValidHookName returns true if given name is a valid Git hook.
func IsValidHookName(name string) bool {
	for _, hn := range hookNames {
		if hn == name {
			return true
		}
	}
	return false
}

// Hook represents a Git hook.
type Hook struct {
	name     string
	IsActive bool   // Indicates whether repository has this hook.
	Content  string // Content of hook if it's active.
	Sample   string // Sample content from Git.
	path     string // Hook file path.
}

// GetHook returns a Git hook by given name and repository.
func GetHook(repoPath, name string) (*Hook, error) {
	if !IsValidHookName(name) {
		return nil, ErrNotValidHook
	}
	h := &Hook{
		name: name,
		path: path.Join(repoPath, "hooks", name),
	}
	if isFile(h.path) {
		data, err := ioutil.ReadFile(h.path)
		if err != nil {
			return nil, err
		}
		h.IsActive = true
		h.Content = string(data)
	} else if isFile(h.path + ".sample") {
		data, err := ioutil.ReadFile(h.path + ".sample")
		if err != nil {
			return nil, err
		}
		h.Sample = string(data)
	}
	return h, nil
}

// Name return the name of the hook
func (h *Hook) Name() string {
	return h.name
}

// Update updates hook settings.
func (h *Hook) Update() error {
	if len(strings.TrimSpace(h.Content)) == 0 {
		if isExist(h.path) {
			return os.Remove(h.path)
		}
		return nil
	}
	return ioutil.WriteFile(h.path, []byte(strings.Replace(h.Content, "\r", "", -1)), os.ModePerm)
}

// ListHooks returns a list of Git hooks of given repository.
func ListHooks(repoPath string) (_ []*Hook, err error) {
	if !isDir(path.Join(repoPath, "hooks")) {
		return nil, errors.New("hooks path does not exist")
	}

	hooks := make([]*Hook, len(hookNames))
	for i, name := range hookNames {
		hooks[i], err = GetHook(repoPath, name)
		if err != nil {
			return nil, err
		}
	}
	return hooks, nil
}

const (
	// HookPathUpdate hook update path
	HookPathUpdate = "hooks/update"
)

// SetUpdateHook writes given content to update hook of the reposiotry.
func SetUpdateHook(repoPath, content string) (err error) {
	log("Setting update hook: %s", repoPath)
	hookPath := path.Join(repoPath, HookPathUpdate)
	if com.IsExist(hookPath) {
		err = os.Remove(hookPath)
	} else {
		err = os.MkdirAll(path.Dir(hookPath), os.ModePerm)
	}
	if err != nil {
		return err
	}
	return ioutil.WriteFile(hookPath, []byte(content), 0777)
}