gitea/modules/repository/repo.go

275 lines
7.5 KiB
Go

// Copyright 2019 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 repository
import (
"fmt"
"os"
"path"
"strings"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
"gopkg.in/ini.v1"
)
/*
GitHub, GitLab, Gogs: *.wiki.git
BitBucket: *.git/wiki
*/
var commonWikiURLSuffixes = []string{".wiki.git", ".git/wiki"}
// wikiRemoteURL returns accessible repository URL for wiki if exists.
// Otherwise, it returns an empty string.
func wikiRemoteURL(remote string) string {
remote = strings.TrimSuffix(remote, ".git")
for _, suffix := range commonWikiURLSuffixes {
wikiURL := remote + suffix
if git.IsRepoURLAccessible(wikiURL) {
return wikiURL
}
}
return ""
}
// MigrateRepositoryGitData starts migrating git related data after created migrating repository
func MigrateRepositoryGitData(doer, u *models.User, repo *models.Repository, opts api.MigrateRepoOption) (*models.Repository, error) {
repoPath := models.RepoPath(u.Name, opts.RepoName)
if u.IsOrganization() {
t, err := u.GetOwnerTeam()
if err != nil {
return nil, err
}
repo.NumWatches = t.NumMembers
} else {
repo.NumWatches = 1
}
migrateTimeout := time.Duration(setting.Git.Timeout.Migrate) * time.Second
var err error
if err = os.RemoveAll(repoPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", repoPath, err)
}
if err = git.Clone(opts.CloneAddr, repoPath, git.CloneRepoOptions{
Mirror: true,
Quiet: true,
Timeout: migrateTimeout,
}); err != nil {
return repo, fmt.Errorf("Clone: %v", err)
}
if opts.Wiki {
wikiPath := models.WikiPath(u.Name, opts.RepoName)
wikiRemotePath := wikiRemoteURL(opts.CloneAddr)
if len(wikiRemotePath) > 0 {
if err := os.RemoveAll(wikiPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
}
if err = git.Clone(wikiRemotePath, wikiPath, git.CloneRepoOptions{
Mirror: true,
Quiet: true,
Timeout: migrateTimeout,
Branch: "master",
}); err != nil {
log.Warn("Clone wiki: %v", err)
if err := os.RemoveAll(wikiPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
}
}
}
}
gitRepo, err := git.OpenRepository(repoPath)
if err != nil {
return repo, fmt.Errorf("OpenRepository: %v", err)
}
defer gitRepo.Close()
repo.IsEmpty, err = gitRepo.IsEmpty()
if err != nil {
return repo, fmt.Errorf("git.IsEmpty: %v", err)
}
if !opts.Releases && !repo.IsEmpty {
// Try to get HEAD branch and set it as default branch.
headBranch, err := gitRepo.GetHEADBranch()
if err != nil {
return repo, fmt.Errorf("GetHEADBranch: %v", err)
}
if headBranch != nil {
repo.DefaultBranch = headBranch.Name
}
if err = SyncReleasesWithTags(repo, gitRepo); err != nil {
log.Error("Failed to synchronize tags to releases for repository: %v", err)
}
}
if err = repo.UpdateSize(); err != nil {
log.Error("Failed to update size for repository: %v", err)
}
if opts.Mirror {
if err = models.InsertMirror(&models.Mirror{
RepoID: repo.ID,
Interval: setting.Mirror.DefaultInterval,
EnablePrune: true,
NextUpdateUnix: timeutil.TimeStampNow().AddDuration(setting.Mirror.DefaultInterval),
}); err != nil {
return repo, fmt.Errorf("InsertOne: %v", err)
}
repo.IsMirror = true
err = models.UpdateRepository(repo, false)
} else {
repo, err = CleanUpMigrateInfo(repo)
}
return repo, err
}
// cleanUpMigrateGitConfig removes mirror info which prevents "push --all".
// This also removes possible user credentials.
func cleanUpMigrateGitConfig(configPath string) error {
cfg, err := ini.Load(configPath)
if err != nil {
return fmt.Errorf("open config file: %v", err)
}
cfg.DeleteSection("remote \"origin\"")
if err = cfg.SaveToIndent(configPath, "\t"); err != nil {
return fmt.Errorf("save config file: %v", err)
}
return nil
}
// CleanUpMigrateInfo finishes migrating repository and/or wiki with things that don't need to be done for mirrors.
func CleanUpMigrateInfo(repo *models.Repository) (*models.Repository, error) {
repoPath := repo.RepoPath()
if err := models.CreateDelegateHooks(repoPath); err != nil {
return repo, fmt.Errorf("createDelegateHooks: %v", err)
}
if repo.HasWiki() {
if err := models.CreateDelegateHooks(repo.WikiPath()); err != nil {
return repo, fmt.Errorf("createDelegateHooks.(wiki): %v", err)
}
}
_, err := git.NewCommand("remote", "rm", "origin").RunInDir(repoPath)
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
return repo, fmt.Errorf("CleanUpMigrateInfo: %v", err)
}
if repo.HasWiki() {
if err := cleanUpMigrateGitConfig(path.Join(repo.WikiPath(), "config")); err != nil {
return repo, fmt.Errorf("cleanUpMigrateGitConfig (wiki): %v", err)
}
}
return repo, models.UpdateRepository(repo, false)
}
// SyncReleasesWithTags synchronizes release table with repository tags
func SyncReleasesWithTags(repo *models.Repository, gitRepo *git.Repository) error {
existingRelTags := make(map[string]struct{})
opts := models.FindReleasesOptions{IncludeDrafts: true, IncludeTags: true}
for page := 1; ; page++ {
rels, err := models.GetReleasesByRepoID(repo.ID, opts, page, 100)
if err != nil {
return fmt.Errorf("GetReleasesByRepoID: %v", err)
}
if len(rels) == 0 {
break
}
for _, rel := range rels {
if rel.IsDraft {
continue
}
commitID, err := gitRepo.GetTagCommitID(rel.TagName)
if err != nil && !git.IsErrNotExist(err) {
return fmt.Errorf("GetTagCommitID: %s: %v", rel.TagName, err)
}
if git.IsErrNotExist(err) || commitID != rel.Sha1 {
if err := models.PushUpdateDeleteTag(repo, rel.TagName); err != nil {
return fmt.Errorf("PushUpdateDeleteTag: %s: %v", rel.TagName, err)
}
} else {
existingRelTags[strings.ToLower(rel.TagName)] = struct{}{}
}
}
}
tags, err := gitRepo.GetTags()
if err != nil {
return fmt.Errorf("GetTags: %v", err)
}
for _, tagName := range tags {
if _, ok := existingRelTags[strings.ToLower(tagName)]; !ok {
if err := PushUpdateAddTag(repo, gitRepo, tagName); err != nil {
return fmt.Errorf("pushUpdateAddTag: %v", err)
}
}
}
return nil
}
// PushUpdateAddTag must be called for any push actions to add tag
func PushUpdateAddTag(repo *models.Repository, gitRepo *git.Repository, tagName string) error {
tag, err := gitRepo.GetTag(tagName)
if err != nil {
return fmt.Errorf("GetTag: %v", err)
}
commit, err := tag.Commit()
if err != nil {
return fmt.Errorf("Commit: %v", err)
}
sig := tag.Tagger
if sig == nil {
sig = commit.Author
}
if sig == nil {
sig = commit.Committer
}
var author *models.User
var createdAt = time.Unix(1, 0)
if sig != nil {
author, err = models.GetUserByEmail(sig.Email)
if err != nil && !models.IsErrUserNotExist(err) {
return fmt.Errorf("GetUserByEmail: %v", err)
}
createdAt = sig.When
}
commitsCount, err := commit.CommitsCount()
if err != nil {
return fmt.Errorf("CommitsCount: %v", err)
}
var rel = models.Release{
RepoID: repo.ID,
TagName: tagName,
LowerTagName: strings.ToLower(tagName),
Sha1: commit.ID.String(),
NumCommits: commitsCount,
CreatedUnix: timeutil.TimeStamp(createdAt.Unix()),
IsTag: true,
}
if author != nil {
rel.PublisherID = author.ID
}
return models.SaveOrUpdateTag(repo, &rel)
}