forgejo/modules/git/hook.go
zeripath 742e21aeba
Handle and propagate errors when checking if paths are Dirs, Files or Exist (#13186)
* Ensure errors from IsDir propagate

* Handle errors when checking IsFile

* Handle and propagate errors from IsExist

* Update modules/templates/static.go

* Update modules/templates/static.go

* Return after ctx.ServerError

* Apply suggestions from code review

* Fix tests

The previous merge managed to break repo_form.go

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
2020-11-27 21:42:08 -05:00

145 lines
3.2 KiB
Go

// 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"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/util"
)
// 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+".d", name),
}
samplePath := filepath.Join(repoPath, "hooks", name+".sample")
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(samplePath) {
data, err := ioutil.ReadFile(samplePath)
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) {
err := util.Remove(h.path)
if err != nil {
return err
}
}
h.IsActive = false
return nil
}
d := filepath.Dir(h.path)
if err := os.MkdirAll(d, os.ModePerm); err != nil {
return err
}
err := ioutil.WriteFile(h.path, []byte(strings.ReplaceAll(h.Content, "\r", "")), os.ModePerm)
if err != nil {
return err
}
h.IsActive = true
return nil
}
// 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 repository.
func SetUpdateHook(repoPath, content string) (err error) {
log("Setting update hook: %s", repoPath)
hookPath := path.Join(repoPath, HookPathUpdate)
isExist, err := util.IsExist(hookPath)
if err != nil {
log("Unable to check if %s exists. Error: %v", hookPath, err)
return err
}
if isExist {
err = util.Remove(hookPath)
} else {
err = os.MkdirAll(path.Dir(hookPath), os.ModePerm)
}
if err != nil {
return err
}
return ioutil.WriteFile(hookPath, []byte(content), 0777)
}