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// Copyright 2017 The Gitea 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 migrations
import (
"crypto/md5"
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/setting"
"github.com/unknwon/com"
"xorm.io/xorm"
)
func generateAndMigrateGitHookChains(x *xorm.Engine) (err error) {
type Repository struct {
ID int64
OwnerID int64
Name string
}
type User struct {
ID int64
Name string
}
var (
hookNames = []string{"pre-receive", "update", "post-receive"}
hookTpl = fmt.Sprintf("#!/usr/bin/env %s\ndata=$(cat)\nexitcodes=\"\"\nhookname=$(basename $0)\nGIT_DIR=${GIT_DIR:-$(dirname $0)}\n\nfor hook in ${GIT_DIR}/hooks/${hookname}.d/*; do\ntest -x \"${hook}\" || continue\necho \"${data}\" | \"${hook}\"\nexitcodes=\"${exitcodes} $?\"\ndone\n\nfor i in ${exitcodes}; do\n[ ${i} -eq 0 ] || exit ${i}\ndone\n", setting.ScriptType)
)
return x.Where("id > 0").BufferSize(setting.Database.IterateBufferSize).Iterate(new(Repository),
func(idx int, bean interface{}) error {
repo := bean.(*Repository)
user := new(User)
has, err := x.Where("id = ?", repo.OwnerID).Get(user)
if err != nil {
return fmt.Errorf("query owner of repository [repo_id: %d, owner_id: %d]: %v", repo.ID, repo.OwnerID, err)
} else if !has {
return nil
}
repoPaths := []string{
filepath.Join(setting.RepoRootPath, strings.ToLower(user.Name), strings.ToLower(repo.Name)) + ".git",
filepath.Join(setting.RepoRootPath, strings.ToLower(user.Name), strings.ToLower(repo.Name)) + ".wiki.git",
}
for _, repoPath := range repoPaths {
if com.IsExist(repoPath) {
hookDir := filepath.Join(repoPath, "hooks")
for _, hookName := range hookNames {
oldHookPath := filepath.Join(hookDir, hookName)
// compare md5sums of hooks
if com.IsExist(oldHookPath) {
f, err := os.Open(oldHookPath)
if err != nil {
return fmt.Errorf("cannot open old hook file '%s': %v", oldHookPath, err)
}
defer f.Close()
h := md5.New()
if _, err := io.Copy(h, f); err != nil {
return fmt.Errorf("cannot read old hook file '%s': %v", oldHookPath, err)
}
if hex.EncodeToString(h.Sum(nil)) == "6718ef67d0834e0a7908259acd566e3f" {
return nil
}
}
if err = ioutil.WriteFile(oldHookPath, []byte(hookTpl), 0777); err != nil {
return fmt.Errorf("write old hook file '%s': %v", oldHookPath, err)
}
}
}
}
return nil
})
}
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