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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
|
// 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 (
"context"
"fmt"
"io"
"net/http"
"path"
"strings"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/organization"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/migration"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"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(ctx context.Context, remote string) string {
remote = strings.TrimSuffix(remote, ".git")
for _, suffix := range commonWikiURLSuffixes {
wikiURL := remote + suffix
if git.IsRepoURLAccessible(ctx, wikiURL) {
return wikiURL
}
}
return ""
}
// MigrateRepositoryGitData starts migrating git related data after created migrating repository
func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
repo *repo_model.Repository, opts migration.MigrateOptions,
httpTransport *http.Transport,
) (*repo_model.Repository, error) {
repoPath := repo_model.RepoPath(u.Name, opts.RepoName)
if u.IsOrganization() {
t, err := organization.OrgFromUser(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 = util.RemoveAll(repoPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", repoPath, err)
}
if err = git.Clone(ctx, opts.CloneAddr, repoPath, git.CloneRepoOptions{
Mirror: true,
Quiet: true,
Timeout: migrateTimeout,
SkipTLSVerify: setting.Migrations.SkipTLSVerify,
}); err != nil {
return repo, fmt.Errorf("Clone: %v", err)
}
if err := git.WriteCommitGraph(ctx, repoPath); err != nil {
return repo, err
}
if opts.Wiki {
wikiPath := repo_model.WikiPath(u.Name, opts.RepoName)
wikiRemotePath := WikiRemoteURL(ctx, opts.CloneAddr)
if len(wikiRemotePath) > 0 {
if err := util.RemoveAll(wikiPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
}
if err = git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
Mirror: true,
Quiet: true,
Timeout: migrateTimeout,
Branch: "master",
SkipTLSVerify: setting.Migrations.SkipTLSVerify,
}); err != nil {
log.Warn("Clone wiki: %v", err)
if err := util.RemoveAll(wikiPath); err != nil {
return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
}
}
}
if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
return repo, err
}
}
if repo.OwnerID == u.ID {
repo.Owner = u
}
if err = models.CheckDaemonExportOK(ctx, repo); err != nil {
return repo, fmt.Errorf("checkDaemonExportOK: %v", err)
}
if stdout, err := git.NewCommand(ctx, "update-server-info").
SetDescription(fmt.Sprintf("MigrateRepositoryGitData(git update-server-info): %s", repoPath)).
RunInDir(repoPath); err != nil {
log.Error("MigrateRepositoryGitData(git update-server-info) in %v: Stdout: %s\nError: %v", repo, stdout, err)
return repo, fmt.Errorf("error in MigrateRepositoryGitData(git update-server-info): %v", err)
}
gitRepo, err := git.OpenRepository(ctx, 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 !repo.IsEmpty {
if len(repo.DefaultBranch) == 0 {
// 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 !opts.Releases {
// note: this will greatly improve release (tag) sync
// for pull-mirrors with many tags
repo.IsMirror = opts.Mirror
if err = SyncReleasesWithTags(repo, gitRepo); err != nil {
log.Error("Failed to synchronize tags to releases for repository: %v", err)
}
}
if opts.LFS {
endpoint := lfs.DetermineEndpoint(opts.CloneAddr, opts.LFSEndpoint)
lfsClient := lfs.NewClient(endpoint, httpTransport)
if err = StoreMissingLfsObjectsInRepository(ctx, repo, gitRepo, lfsClient); err != nil {
log.Error("Failed to store missing LFS objects for repository: %v", err)
}
}
}
if err = models.UpdateRepoSize(ctx, repo); err != nil {
log.Error("Failed to update size for repository: %v", err)
}
if opts.Mirror {
mirrorModel := repo_model.Mirror{
RepoID: repo.ID,
Interval: setting.Mirror.DefaultInterval,
EnablePrune: true,
NextUpdateUnix: timeutil.TimeStampNow().AddDuration(setting.Mirror.DefaultInterval),
LFS: opts.LFS,
}
if opts.LFS {
mirrorModel.LFSEndpoint = opts.LFSEndpoint
}
if opts.MirrorInterval != "" {
parsedInterval, err := time.ParseDuration(opts.MirrorInterval)
if err != nil {
log.Error("Failed to set Interval: %v", err)
return repo, err
}
if parsedInterval == 0 {
mirrorModel.Interval = 0
mirrorModel.NextUpdateUnix = 0
} else if parsedInterval < setting.Mirror.MinInterval {
err := fmt.Errorf("Interval %s is set below Minimum Interval of %s", parsedInterval, setting.Mirror.MinInterval)
log.Error("Interval: %s is too frequent", opts.MirrorInterval)
return repo, err
} else {
mirrorModel.Interval = parsedInterval
mirrorModel.NextUpdateUnix = timeutil.TimeStampNow().AddDuration(parsedInterval)
}
}
if err = repo_model.InsertMirror(&mirrorModel); err != nil {
return repo, fmt.Errorf("InsertOne: %v", err)
}
repo.IsMirror = true
err = models.UpdateRepository(repo, false)
} else {
repo, err = CleanUpMigrateInfo(ctx, 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(ctx context.Context, repo *repo_model.Repository) (*repo_model.Repository, error) {
repoPath := repo.RepoPath()
if err := createDelegateHooks(repoPath); err != nil {
return repo, fmt.Errorf("createDelegateHooks: %v", err)
}
if repo.HasWiki() {
if err := createDelegateHooks(repo.WikiPath()); err != nil {
return repo, fmt.Errorf("createDelegateHooks.(wiki): %v", err)
}
}
_, err := git.NewCommand(ctx, "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 *repo_model.Repository, gitRepo *git.Repository) error {
log.Debug("SyncReleasesWithTags: in Repo[%d:%s/%s]", repo.ID, repo.OwnerName, repo.Name)
// optimized procedure for pull-mirrors which saves a lot of time (in
// particular for repos with many tags).
if repo.IsMirror {
return pullMirrorReleaseSync(repo, gitRepo)
}
existingRelTags := make(map[string]struct{})
opts := models.FindReleasesOptions{
IncludeDrafts: true,
IncludeTags: true,
ListOptions: db.ListOptions{PageSize: 50},
}
for page := 1; ; page++ {
opts.Page = page
rels, err := models.GetReleasesByRepoID(repo.ID, opts)
if err != nil {
return fmt.Errorf("unable to GetReleasesByRepoID in Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, 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("unable to GetTagCommitID for %q in Repo[%d:%s/%s]: %w", rel.TagName, repo.ID, repo.OwnerName, repo.Name, err)
}
if git.IsErrNotExist(err) || commitID != rel.Sha1 {
if err := models.PushUpdateDeleteTag(repo, rel.TagName); err != nil {
return fmt.Errorf("unable to PushUpdateDeleteTag: %q in Repo[%d:%s/%s]: %w", rel.TagName, repo.ID, repo.OwnerName, repo.Name, err)
}
} else {
existingRelTags[strings.ToLower(rel.TagName)] = struct{}{}
}
}
}
_, err := gitRepo.WalkReferences(git.ObjectTag, 0, 0, func(sha1, refname string) error {
tagName := strings.TrimPrefix(refname, git.TagPrefix)
if _, ok := existingRelTags[strings.ToLower(tagName)]; ok {
return nil
}
if err := PushUpdateAddTag(repo, gitRepo, tagName, sha1, refname); err != nil {
return fmt.Errorf("unable to PushUpdateAddTag: %q to Repo[%d:%s/%s]: %w", tagName, repo.ID, repo.OwnerName, repo.Name, err)
}
return nil
})
return err
}
// PushUpdateAddTag must be called for any push actions to add tag
func PushUpdateAddTag(repo *repo_model.Repository, gitRepo *git.Repository, tagName, sha1, refname string) error {
tag, err := gitRepo.GetTagWithID(sha1, tagName)
if err != nil {
return fmt.Errorf("unable to GetTag: %w", err)
}
commit, err := tag.Commit(gitRepo)
if err != nil {
return fmt.Errorf("unable to get tag Commit: %w", err)
}
sig := tag.Tagger
if sig == nil {
sig = commit.Author
}
if sig == nil {
sig = commit.Committer
}
var author *user_model.User
createdAt := time.Unix(1, 0)
if sig != nil {
author, err = user_model.GetUserByEmail(sig.Email)
if err != nil && !user_model.IsErrUserNotExist(err) {
return fmt.Errorf("unable to GetUserByEmail for %q: %w", sig.Email, err)
}
createdAt = sig.When
}
commitsCount, err := commit.CommitsCount()
if err != nil {
return fmt.Errorf("unable to get CommitsCount: %w", err)
}
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)
}
// StoreMissingLfsObjectsInRepository downloads missing LFS objects
func StoreMissingLfsObjectsInRepository(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, lfsClient lfs.Client) error {
contentStore := lfs.NewContentStore()
pointerChan := make(chan lfs.PointerBlob)
errChan := make(chan error, 1)
go lfs.SearchPointerBlobs(ctx, gitRepo, pointerChan, errChan)
downloadObjects := func(pointers []lfs.Pointer) error {
err := lfsClient.Download(ctx, pointers, func(p lfs.Pointer, content io.ReadCloser, objectError error) error {
if objectError != nil {
return objectError
}
defer content.Close()
_, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: p, RepositoryID: repo.ID})
if err != nil {
log.Error("Repo[%-v]: Error creating LFS meta object %-v: %v", repo, p, err)
return err
}
if err := contentStore.Put(p, content); err != nil {
log.Error("Repo[%-v]: Error storing content for LFS meta object %-v: %v", repo, p, err)
if _, err2 := models.RemoveLFSMetaObjectByOid(repo.ID, p.Oid); err2 != nil {
log.Error("Repo[%-v]: Error removing LFS meta object %-v: %v", repo, p, err2)
}
return err
}
return nil
})
if err != nil {
select {
case <-ctx.Done():
return nil
default:
}
}
return err
}
var batch []lfs.Pointer
for pointerBlob := range pointerChan {
meta, err := models.GetLFSMetaObjectByOid(repo.ID, pointerBlob.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
log.Error("Repo[%-v]: Error querying LFS meta object %-v: %v", repo, pointerBlob.Pointer, err)
return err
}
if meta != nil {
log.Trace("Repo[%-v]: Skipping unknown LFS meta object %-v", repo, pointerBlob.Pointer)
continue
}
log.Trace("Repo[%-v]: LFS object %-v not present in repository", repo, pointerBlob.Pointer)
exist, err := contentStore.Exists(pointerBlob.Pointer)
if err != nil {
log.Error("Repo[%-v]: Error checking if LFS object %-v exists: %v", repo, pointerBlob.Pointer, err)
return err
}
if exist {
log.Trace("Repo[%-v]: LFS object %-v already present; creating meta object", repo, pointerBlob.Pointer)
_, err := models.NewLFSMetaObject(&models.LFSMetaObject{Pointer: pointerBlob.Pointer, RepositoryID: repo.ID})
if err != nil {
log.Error("Repo[%-v]: Error creating LFS meta object %-v: %v", repo, pointerBlob.Pointer, err)
return err
}
} else {
if setting.LFS.MaxFileSize > 0 && pointerBlob.Size > setting.LFS.MaxFileSize {
log.Info("Repo[%-v]: LFS object %-v download denied because of LFS_MAX_FILE_SIZE=%d < size %d", repo, pointerBlob.Pointer, setting.LFS.MaxFileSize, pointerBlob.Size)
continue
}
batch = append(batch, pointerBlob.Pointer)
if len(batch) >= lfsClient.BatchSize() {
if err := downloadObjects(batch); err != nil {
return err
}
batch = nil
}
}
}
if len(batch) > 0 {
if err := downloadObjects(batch); err != nil {
return err
}
}
err, has := <-errChan
if has {
log.Error("Repo[%-v]: Error enumerating LFS objects for repository: %v", repo, err)
return err
}
return nil
}
// pullMirrorReleaseSync is a pull-mirror specific tag<->release table
// synchronization which overwrites all Releases from the repository tags. This
// can be relied on since a pull-mirror is always identical to its
// upstream. Hence, after each sync we want the pull-mirror release set to be
// identical to the upstream tag set. This is much more efficient for
// repositories like https://github.com/vim/vim (with over 13000 tags).
func pullMirrorReleaseSync(repo *repo_model.Repository, gitRepo *git.Repository) error {
log.Trace("pullMirrorReleaseSync: rebuilding releases for pull-mirror Repo[%d:%s/%s]", repo.ID, repo.OwnerName, repo.Name)
tags, numTags, err := gitRepo.GetTagInfos(0, 0)
if err != nil {
return fmt.Errorf("unable to GetTagInfos in pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
}
err = db.WithTx(func(ctx context.Context) error {
//
// clear out existing releases
//
if _, err := db.DeleteByBean(ctx, &models.Release{RepoID: repo.ID}); err != nil {
return fmt.Errorf("unable to clear releases for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
}
//
// make release set identical to upstream tags
//
for _, tag := range tags {
release := models.Release{
RepoID: repo.ID,
TagName: tag.Name,
LowerTagName: strings.ToLower(tag.Name),
Sha1: tag.Object.String(),
// NOTE: ignored, since NumCommits are unused
// for pull-mirrors (only relevant when
// displaying releases, IsTag: false)
NumCommits: -1,
CreatedUnix: timeutil.TimeStamp(tag.Tagger.When.Unix()),
IsTag: true,
}
if err := db.Insert(ctx, release); err != nil {
return fmt.Errorf("unable insert tag %s for pull-mirror Repo[%d:%s/%s]: %w", tag.Name, repo.ID, repo.OwnerName, repo.Name, err)
}
}
return nil
})
if err != nil {
return fmt.Errorf("unable to rebuild release table for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
}
log.Trace("pullMirrorReleaseSync: done rebuilding %d releases", numTags)
return nil
}
|