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-rw-r--r--modules/git/hook.go143
1 files changed, 143 insertions, 0 deletions
diff --git a/modules/git/hook.go b/modules/git/hook.go
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index 0000000..46f93ce
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+++ b/modules/git/hook.go
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+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+ "errors"
+ "os"
+ "path"
+ "path/filepath"
+ "strings"
+
+ "code.gitea.io/gitea/modules/log"
+ "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",
+}
+
+// ErrNotValidHook error when a git hook is not valid
+var 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 := os.ReadFile(h.path)
+ if err != nil {
+ return nil, err
+ }
+ h.IsActive = true
+ h.Content = string(data)
+ } else if isFile(samplePath) {
+ data, err := os.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 := os.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.Debug("Setting update hook: %s", repoPath)
+ hookPath := path.Join(repoPath, HookPathUpdate)
+ isExist, err := util.IsExist(hookPath)
+ if err != nil {
+ log.Debug("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 os.WriteFile(hookPath, []byte(content), 0o777)
+}