pull.go 24 KB

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  1. // Copyright 2015 The Gogs Authors. All rights reserved.
  2. // Use of this source code is governed by a MIT-style
  3. // license that can be found in the LICENSE file.
  4. package models
  5. import (
  6. "fmt"
  7. "os"
  8. "path"
  9. "strings"
  10. "time"
  11. "github.com/Unknwon/com"
  12. "github.com/go-xorm/xorm"
  13. log "gopkg.in/clog.v1"
  14. "github.com/gogits/git-module"
  15. api "github.com/gogits/go-gogs-client"
  16. "github.com/gogits/gogs/models/errors"
  17. "github.com/gogits/gogs/pkg/process"
  18. "github.com/gogits/gogs/pkg/setting"
  19. "github.com/gogits/gogs/pkg/sync"
  20. )
  21. var PullRequestQueue = sync.NewUniqueQueue(setting.Repository.PullRequestQueueLength)
  22. type PullRequestType int
  23. const (
  24. PULL_REQUEST_GOGS PullRequestType = iota
  25. PLLL_ERQUEST_GIT
  26. )
  27. type PullRequestStatus int
  28. const (
  29. PULL_REQUEST_STATUS_CONFLICT PullRequestStatus = iota
  30. PULL_REQUEST_STATUS_CHECKING
  31. PULL_REQUEST_STATUS_MERGEABLE
  32. )
  33. // PullRequest represents relation between pull request and repositories.
  34. type PullRequest struct {
  35. ID int64
  36. Type PullRequestType
  37. Status PullRequestStatus
  38. IssueID int64 `xorm:"INDEX"`
  39. Issue *Issue `xorm:"-"`
  40. Index int64
  41. HeadRepoID int64
  42. HeadRepo *Repository `xorm:"-"`
  43. BaseRepoID int64
  44. BaseRepo *Repository `xorm:"-"`
  45. HeadUserName string
  46. HeadBranch string
  47. BaseBranch string
  48. MergeBase string `xorm:"VARCHAR(40)"`
  49. HasMerged bool
  50. MergedCommitID string `xorm:"VARCHAR(40)"`
  51. MergerID int64
  52. Merger *User `xorm:"-"`
  53. Merged time.Time `xorm:"-"`
  54. MergedUnix int64
  55. }
  56. func (pr *PullRequest) BeforeUpdate() {
  57. pr.MergedUnix = pr.Merged.Unix()
  58. }
  59. // Note: don't try to get Issue because will end up recursive querying.
  60. func (pr *PullRequest) AfterSet(colName string, _ xorm.Cell) {
  61. switch colName {
  62. case "merged_unix":
  63. if !pr.HasMerged {
  64. return
  65. }
  66. pr.Merged = time.Unix(pr.MergedUnix, 0).Local()
  67. }
  68. }
  69. // Note: don't try to get Issue because will end up recursive querying.
  70. func (pr *PullRequest) loadAttributes(e Engine) (err error) {
  71. if pr.HeadRepo == nil {
  72. pr.HeadRepo, err = getRepositoryByID(e, pr.HeadRepoID)
  73. if err != nil && !errors.IsRepoNotExist(err) {
  74. return fmt.Errorf("getRepositoryByID.(HeadRepo) [%d]: %v", pr.HeadRepoID, err)
  75. }
  76. }
  77. if pr.BaseRepo == nil {
  78. pr.BaseRepo, err = getRepositoryByID(e, pr.BaseRepoID)
  79. if err != nil {
  80. return fmt.Errorf("getRepositoryByID.(BaseRepo) [%d]: %v", pr.BaseRepoID, err)
  81. }
  82. }
  83. if pr.HasMerged && pr.Merger == nil {
  84. pr.Merger, err = getUserByID(e, pr.MergerID)
  85. if errors.IsUserNotExist(err) {
  86. pr.MergerID = -1
  87. pr.Merger = NewGhostUser()
  88. } else if err != nil {
  89. return fmt.Errorf("getUserByID [%d]: %v", pr.MergerID, err)
  90. }
  91. }
  92. return nil
  93. }
  94. func (pr *PullRequest) LoadAttributes() error {
  95. return pr.loadAttributes(x)
  96. }
  97. func (pr *PullRequest) LoadIssue() (err error) {
  98. if pr.Issue != nil {
  99. return nil
  100. }
  101. pr.Issue, err = GetIssueByID(pr.IssueID)
  102. return err
  103. }
  104. // This method assumes following fields have been assigned with valid values:
  105. // Required - Issue, BaseRepo
  106. // Optional - HeadRepo, Merger
  107. func (pr *PullRequest) APIFormat() *api.PullRequest {
  108. // In case of head repo has been deleted.
  109. var apiHeadRepo *api.Repository
  110. if pr.HeadRepo == nil {
  111. apiHeadRepo = &api.Repository{
  112. Name: "deleted",
  113. }
  114. } else {
  115. apiHeadRepo = pr.HeadRepo.APIFormat(nil)
  116. }
  117. apiIssue := pr.Issue.APIFormat()
  118. apiPullRequest := &api.PullRequest{
  119. ID: pr.ID,
  120. Index: pr.Index,
  121. Poster: apiIssue.Poster,
  122. Title: apiIssue.Title,
  123. Body: apiIssue.Body,
  124. Labels: apiIssue.Labels,
  125. Milestone: apiIssue.Milestone,
  126. Assignee: apiIssue.Assignee,
  127. State: apiIssue.State,
  128. Comments: apiIssue.Comments,
  129. HeadBranch: pr.HeadBranch,
  130. HeadRepo: apiHeadRepo,
  131. BaseBranch: pr.BaseBranch,
  132. BaseRepo: pr.BaseRepo.APIFormat(nil),
  133. HTMLURL: pr.Issue.HTMLURL(),
  134. HasMerged: pr.HasMerged,
  135. }
  136. if pr.Status != PULL_REQUEST_STATUS_CHECKING {
  137. mergeable := pr.Status != PULL_REQUEST_STATUS_CONFLICT
  138. apiPullRequest.Mergeable = &mergeable
  139. }
  140. if pr.HasMerged {
  141. apiPullRequest.Merged = &pr.Merged
  142. apiPullRequest.MergedCommitID = &pr.MergedCommitID
  143. apiPullRequest.MergedBy = pr.Merger.APIFormat()
  144. }
  145. return apiPullRequest
  146. }
  147. // IsChecking returns true if this pull request is still checking conflict.
  148. func (pr *PullRequest) IsChecking() bool {
  149. return pr.Status == PULL_REQUEST_STATUS_CHECKING
  150. }
  151. // CanAutoMerge returns true if this pull request can be merged automatically.
  152. func (pr *PullRequest) CanAutoMerge() bool {
  153. return pr.Status == PULL_REQUEST_STATUS_MERGEABLE
  154. }
  155. // Merge merges pull request to base repository.
  156. // FIXME: add repoWorkingPull make sure two merges does not happen at same time.
  157. func (pr *PullRequest) Merge(doer *User, baseGitRepo *git.Repository) (err error) {
  158. defer func() {
  159. go HookQueue.Add(pr.BaseRepo.ID)
  160. go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false)
  161. }()
  162. sess := x.NewSession()
  163. defer sess.Close()
  164. if err = sess.Begin(); err != nil {
  165. return err
  166. }
  167. if err = pr.Issue.changeStatus(sess, doer, pr.Issue.Repo, true); err != nil {
  168. return fmt.Errorf("Issue.changeStatus: %v", err)
  169. }
  170. headRepoPath := RepoPath(pr.HeadUserName, pr.HeadRepo.Name)
  171. headGitRepo, err := git.OpenRepository(headRepoPath)
  172. if err != nil {
  173. return fmt.Errorf("OpenRepository: %v", err)
  174. }
  175. // Clone base repo.
  176. tmpBasePath := path.Join(setting.AppDataPath, "tmp/repos", com.ToStr(time.Now().Nanosecond())+".git")
  177. os.MkdirAll(path.Dir(tmpBasePath), os.ModePerm)
  178. defer os.RemoveAll(path.Dir(tmpBasePath))
  179. var stderr string
  180. if _, stderr, err = process.ExecTimeout(5*time.Minute,
  181. fmt.Sprintf("PullRequest.Merge (git clone): %s", tmpBasePath),
  182. "git", "clone", baseGitRepo.Path, tmpBasePath); err != nil {
  183. return fmt.Errorf("git clone: %s", stderr)
  184. }
  185. // Check out base branch.
  186. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  187. fmt.Sprintf("PullRequest.Merge (git checkout): %s", tmpBasePath),
  188. "git", "checkout", pr.BaseBranch); err != nil {
  189. return fmt.Errorf("git checkout: %s", stderr)
  190. }
  191. // Add head repo remote.
  192. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  193. fmt.Sprintf("PullRequest.Merge (git remote add): %s", tmpBasePath),
  194. "git", "remote", "add", "head_repo", headRepoPath); err != nil {
  195. return fmt.Errorf("git remote add [%s -> %s]: %s", headRepoPath, tmpBasePath, stderr)
  196. }
  197. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  198. fmt.Sprintf("PullRequest.Merge (git fetch): %s", tmpBasePath),
  199. "git", "fetch", "head_repo"); err != nil {
  200. return fmt.Errorf("git fetch [%s -> %s]: %s", headRepoPath, tmpBasePath, stderr)
  201. }
  202. if (pr.BaseRepo.PullUseRebase) {
  203. // Rebase.
  204. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  205. fmt.Sprintf("PullRequest.Rebase (git rebase): %s", tmpBasePath),
  206. "git", "rebase", "-q", pr.BaseBranch, "head_repo/"+pr.HeadBranch); err != nil {
  207. return fmt.Errorf("git rebase [%s -> %s]: %s", headRepoPath, tmpBasePath, stderr)
  208. }
  209. } else {
  210. // Merge commits.
  211. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  212. fmt.Sprintf("PullRequest.Merge (git merge --no-ff --no-commit): %s", tmpBasePath),
  213. "git", "merge", "--no-ff", "--no-commit", "head_repo/"+pr.HeadBranch); err != nil {
  214. return fmt.Errorf("git merge --no-ff --no-commit [%s]: %v - %s", tmpBasePath, err, stderr)
  215. }
  216. sig := doer.NewGitSig()
  217. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  218. fmt.Sprintf("PullRequest.Merge (git merge): %s", tmpBasePath),
  219. "git", "commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
  220. "-m", fmt.Sprintf("Merge branch '%s' of %s/%s into %s", pr.HeadBranch, pr.HeadUserName, pr.HeadRepo.Name, pr.BaseBranch)); err != nil {
  221. return fmt.Errorf("git commit [%s]: %v - %s", tmpBasePath, err, stderr)
  222. }
  223. }
  224. // Push back to upstream.
  225. if _, stderr, err = process.ExecDir(-1, tmpBasePath,
  226. fmt.Sprintf("PullRequest.Merge (git push): %s", tmpBasePath),
  227. "git", "push", "head_repo", "HEAD:"+pr.BaseBranch); err != nil {
  228. return fmt.Errorf("git push: %s", stderr)
  229. }
  230. pr.MergedCommitID, err = headGitRepo.GetBranchCommitID(pr.HeadBranch)
  231. if err != nil {
  232. return fmt.Errorf("GetBranchCommit: %v", err)
  233. }
  234. pr.HasMerged = true
  235. pr.Merged = time.Now()
  236. pr.MergerID = doer.ID
  237. if _, err = sess.Id(pr.ID).AllCols().Update(pr); err != nil {
  238. return fmt.Errorf("update pull request: %v", err)
  239. }
  240. if err = sess.Commit(); err != nil {
  241. return fmt.Errorf("Commit: %v", err)
  242. }
  243. if err = MergePullRequestAction(doer, pr.Issue.Repo, pr.Issue); err != nil {
  244. log.Error(2, "MergePullRequestAction [%d]: %v", pr.ID, err)
  245. }
  246. // Reload pull request information.
  247. if err = pr.LoadAttributes(); err != nil {
  248. log.Error(2, "LoadAttributes: %v", err)
  249. return nil
  250. }
  251. if err = PrepareWebhooks(pr.Issue.Repo, HOOK_EVENT_PULL_REQUEST, &api.PullRequestPayload{
  252. Action: api.HOOK_ISSUE_CLOSED,
  253. Index: pr.Index,
  254. PullRequest: pr.APIFormat(),
  255. Repository: pr.Issue.Repo.APIFormat(nil),
  256. Sender: doer.APIFormat(),
  257. }); err != nil {
  258. log.Error(2, "PrepareWebhooks: %v", err)
  259. return nil
  260. }
  261. l, err := headGitRepo.CommitsBetweenIDs(pr.MergedCommitID, pr.MergeBase)
  262. if err != nil {
  263. log.Error(2, "CommitsBetweenIDs: %v", err)
  264. return nil
  265. }
  266. // TODO: when squash commits, no need to append merge commit.
  267. // It is possible that head branch is not fully sync with base branch for merge commits,
  268. // so we need to get latest head commit and append merge commit manully
  269. // to avoid strange diff commits produced.
  270. mergeCommit, err := baseGitRepo.GetBranchCommit(pr.BaseBranch)
  271. if err != nil {
  272. log.Error(2, "GetBranchCommit: %v", err)
  273. return nil
  274. }
  275. l.PushFront(mergeCommit)
  276. commits, err := ListToPushCommits(l).ToApiPayloadCommits(pr.BaseRepo.RepoPath(), pr.BaseRepo.HTMLURL())
  277. if err != nil {
  278. log.Error(2, "ToApiPayloadCommits: %v", err)
  279. return nil
  280. }
  281. p := &api.PushPayload{
  282. Ref: git.BRANCH_PREFIX + pr.BaseBranch,
  283. Before: pr.MergeBase,
  284. After: pr.MergedCommitID,
  285. CompareURL: setting.AppURL + pr.BaseRepo.ComposeCompareURL(pr.MergeBase, pr.MergedCommitID),
  286. Commits: commits,
  287. Repo: pr.BaseRepo.APIFormat(nil),
  288. Pusher: pr.HeadRepo.MustOwner().APIFormat(),
  289. Sender: doer.APIFormat(),
  290. }
  291. if err = PrepareWebhooks(pr.BaseRepo, HOOK_EVENT_PUSH, p); err != nil {
  292. log.Error(2, "PrepareWebhooks: %v", err)
  293. return nil
  294. }
  295. return nil
  296. }
  297. // testPatch checks if patch can be merged to base repository without conflit.
  298. // FIXME: make a mechanism to clean up stable local copies.
  299. func (pr *PullRequest) testPatch() (err error) {
  300. if pr.BaseRepo == nil {
  301. pr.BaseRepo, err = GetRepositoryByID(pr.BaseRepoID)
  302. if err != nil {
  303. return fmt.Errorf("GetRepositoryByID: %v", err)
  304. }
  305. }
  306. patchPath, err := pr.BaseRepo.PatchPath(pr.Index)
  307. if err != nil {
  308. return fmt.Errorf("BaseRepo.PatchPath: %v", err)
  309. }
  310. // Fast fail if patch does not exist, this assumes data is cruppted.
  311. if !com.IsFile(patchPath) {
  312. log.Trace("PullRequest[%d].testPatch: ignored cruppted data", pr.ID)
  313. return nil
  314. }
  315. repoWorkingPool.CheckIn(com.ToStr(pr.BaseRepoID))
  316. defer repoWorkingPool.CheckOut(com.ToStr(pr.BaseRepoID))
  317. log.Trace("PullRequest[%d].testPatch (patchPath): %s", pr.ID, patchPath)
  318. if err := pr.BaseRepo.UpdateLocalCopyBranch(pr.BaseBranch); err != nil {
  319. return fmt.Errorf("UpdateLocalCopy [%d]: %v", pr.BaseRepoID, err)
  320. }
  321. pr.Status = PULL_REQUEST_STATUS_CHECKING
  322. _, stderr, err := process.ExecDir(-1, pr.BaseRepo.LocalCopyPath(),
  323. fmt.Sprintf("testPatch (git apply --check): %d", pr.BaseRepo.ID),
  324. "git", "apply", "--check", patchPath)
  325. if err != nil {
  326. log.Trace("PullRequest[%d].testPatch (apply): has conflit\n%s", pr.ID, stderr)
  327. pr.Status = PULL_REQUEST_STATUS_CONFLICT
  328. return nil
  329. }
  330. return nil
  331. }
  332. // NewPullRequest creates new pull request with labels for repository.
  333. func NewPullRequest(repo *Repository, pull *Issue, labelIDs []int64, uuids []string, pr *PullRequest, patch []byte) (err error) {
  334. sess := x.NewSession()
  335. defer sess.Close()
  336. if err = sess.Begin(); err != nil {
  337. return err
  338. }
  339. if err = newIssue(sess, NewIssueOptions{
  340. Repo: repo,
  341. Issue: pull,
  342. LableIDs: labelIDs,
  343. Attachments: uuids,
  344. IsPull: true,
  345. }); err != nil {
  346. return fmt.Errorf("newIssue: %v", err)
  347. }
  348. pr.Index = pull.Index
  349. if err = repo.SavePatch(pr.Index, patch); err != nil {
  350. return fmt.Errorf("SavePatch: %v", err)
  351. }
  352. pr.BaseRepo = repo
  353. if err = pr.testPatch(); err != nil {
  354. return fmt.Errorf("testPatch: %v", err)
  355. }
  356. // No conflict appears after test means mergeable.
  357. if pr.Status == PULL_REQUEST_STATUS_CHECKING {
  358. pr.Status = PULL_REQUEST_STATUS_MERGEABLE
  359. }
  360. pr.IssueID = pull.ID
  361. if _, err = sess.Insert(pr); err != nil {
  362. return fmt.Errorf("insert pull repo: %v", err)
  363. }
  364. if err = sess.Commit(); err != nil {
  365. return fmt.Errorf("Commit: %v", err)
  366. }
  367. if err = NotifyWatchers(&Action{
  368. ActUserID: pull.Poster.ID,
  369. ActUserName: pull.Poster.Name,
  370. OpType: ACTION_CREATE_PULL_REQUEST,
  371. Content: fmt.Sprintf("%d|%s", pull.Index, pull.Title),
  372. RepoID: repo.ID,
  373. RepoUserName: repo.Owner.Name,
  374. RepoName: repo.Name,
  375. IsPrivate: repo.IsPrivate,
  376. }); err != nil {
  377. log.Error(2, "NotifyWatchers: %v", err)
  378. }
  379. if err = pull.MailParticipants(); err != nil {
  380. log.Error(2, "MailParticipants: %v", err)
  381. }
  382. pr.Issue = pull
  383. pull.PullRequest = pr
  384. if err = PrepareWebhooks(repo, HOOK_EVENT_PULL_REQUEST, &api.PullRequestPayload{
  385. Action: api.HOOK_ISSUE_OPENED,
  386. Index: pull.Index,
  387. PullRequest: pr.APIFormat(),
  388. Repository: repo.APIFormat(nil),
  389. Sender: pull.Poster.APIFormat(),
  390. }); err != nil {
  391. log.Error(2, "PrepareWebhooks: %v", err)
  392. }
  393. return nil
  394. }
  395. // GetUnmergedPullRequest returnss a pull request that is open and has not been merged
  396. // by given head/base and repo/branch.
  397. func GetUnmergedPullRequest(headRepoID, baseRepoID int64, headBranch, baseBranch string) (*PullRequest, error) {
  398. pr := new(PullRequest)
  399. has, err := x.Where("head_repo_id=? AND head_branch=? AND base_repo_id=? AND base_branch=? AND has_merged=? AND issue.is_closed=?",
  400. headRepoID, headBranch, baseRepoID, baseBranch, false, false).
  401. Join("INNER", "issue", "issue.id=pull_request.issue_id").Get(pr)
  402. if err != nil {
  403. return nil, err
  404. } else if !has {
  405. return nil, ErrPullRequestNotExist{0, 0, headRepoID, baseRepoID, headBranch, baseBranch}
  406. }
  407. return pr, nil
  408. }
  409. // GetUnmergedPullRequestsByHeadInfo returnss all pull requests that are open and has not been merged
  410. // by given head information (repo and branch).
  411. func GetUnmergedPullRequestsByHeadInfo(repoID int64, branch string) ([]*PullRequest, error) {
  412. prs := make([]*PullRequest, 0, 2)
  413. return prs, x.Where("head_repo_id = ? AND head_branch = ? AND has_merged = ? AND issue.is_closed = ?",
  414. repoID, branch, false, false).
  415. Join("INNER", "issue", "issue.id = pull_request.issue_id").Find(&prs)
  416. }
  417. // GetUnmergedPullRequestsByBaseInfo returnss all pull requests that are open and has not been merged
  418. // by given base information (repo and branch).
  419. func GetUnmergedPullRequestsByBaseInfo(repoID int64, branch string) ([]*PullRequest, error) {
  420. prs := make([]*PullRequest, 0, 2)
  421. return prs, x.Where("base_repo_id=? AND base_branch=? AND has_merged=? AND issue.is_closed=?",
  422. repoID, branch, false, false).
  423. Join("INNER", "issue", "issue.id=pull_request.issue_id").Find(&prs)
  424. }
  425. func getPullRequestByID(e Engine, id int64) (*PullRequest, error) {
  426. pr := new(PullRequest)
  427. has, err := e.Id(id).Get(pr)
  428. if err != nil {
  429. return nil, err
  430. } else if !has {
  431. return nil, ErrPullRequestNotExist{id, 0, 0, 0, "", ""}
  432. }
  433. return pr, pr.loadAttributes(e)
  434. }
  435. // GetPullRequestByID returns a pull request by given ID.
  436. func GetPullRequestByID(id int64) (*PullRequest, error) {
  437. return getPullRequestByID(x, id)
  438. }
  439. func getPullRequestByIssueID(e Engine, issueID int64) (*PullRequest, error) {
  440. pr := &PullRequest{
  441. IssueID: issueID,
  442. }
  443. has, err := e.Get(pr)
  444. if err != nil {
  445. return nil, err
  446. } else if !has {
  447. return nil, ErrPullRequestNotExist{0, issueID, 0, 0, "", ""}
  448. }
  449. return pr, pr.loadAttributes(e)
  450. }
  451. // GetPullRequestByIssueID returns pull request by given issue ID.
  452. func GetPullRequestByIssueID(issueID int64) (*PullRequest, error) {
  453. return getPullRequestByIssueID(x, issueID)
  454. }
  455. // Update updates all fields of pull request.
  456. func (pr *PullRequest) Update() error {
  457. _, err := x.Id(pr.ID).AllCols().Update(pr)
  458. return err
  459. }
  460. // Update updates specific fields of pull request.
  461. func (pr *PullRequest) UpdateCols(cols ...string) error {
  462. _, err := x.Id(pr.ID).Cols(cols...).Update(pr)
  463. return err
  464. }
  465. // UpdatePatch generates and saves a new patch.
  466. func (pr *PullRequest) UpdatePatch() (err error) {
  467. if pr.HeadRepo == nil {
  468. log.Trace("PullRequest[%d].UpdatePatch: ignored cruppted data", pr.ID)
  469. return nil
  470. }
  471. headGitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
  472. if err != nil {
  473. return fmt.Errorf("OpenRepository: %v", err)
  474. }
  475. // Add a temporary remote.
  476. tmpRemote := com.ToStr(time.Now().UnixNano())
  477. if err = headGitRepo.AddRemote(tmpRemote, RepoPath(pr.BaseRepo.MustOwner().Name, pr.BaseRepo.Name), true); err != nil {
  478. return fmt.Errorf("AddRemote: %v", err)
  479. }
  480. defer func() {
  481. headGitRepo.RemoveRemote(tmpRemote)
  482. }()
  483. remoteBranch := "remotes/" + tmpRemote + "/" + pr.BaseBranch
  484. pr.MergeBase, err = headGitRepo.GetMergeBase(remoteBranch, pr.HeadBranch)
  485. if err != nil {
  486. return fmt.Errorf("GetMergeBase: %v", err)
  487. } else if err = pr.Update(); err != nil {
  488. return fmt.Errorf("Update: %v", err)
  489. }
  490. patch, err := headGitRepo.GetPatch(pr.MergeBase, pr.HeadBranch)
  491. if err != nil {
  492. return fmt.Errorf("GetPatch: %v", err)
  493. }
  494. if err = pr.BaseRepo.SavePatch(pr.Index, patch); err != nil {
  495. return fmt.Errorf("BaseRepo.SavePatch: %v", err)
  496. }
  497. return nil
  498. }
  499. // PushToBaseRepo pushes commits from branches of head repository to
  500. // corresponding branches of base repository.
  501. // FIXME: Only push branches that are actually updates?
  502. func (pr *PullRequest) PushToBaseRepo() (err error) {
  503. log.Trace("PushToBaseRepo[%d]: pushing commits to base repo 'refs/pull/%d/head'", pr.BaseRepoID, pr.Index)
  504. headRepoPath := pr.HeadRepo.RepoPath()
  505. headGitRepo, err := git.OpenRepository(headRepoPath)
  506. if err != nil {
  507. return fmt.Errorf("OpenRepository: %v", err)
  508. }
  509. tmpRemoteName := fmt.Sprintf("tmp-pull-%d", pr.ID)
  510. if err = headGitRepo.AddRemote(tmpRemoteName, pr.BaseRepo.RepoPath(), false); err != nil {
  511. return fmt.Errorf("headGitRepo.AddRemote: %v", err)
  512. }
  513. // Make sure to remove the remote even if the push fails
  514. defer headGitRepo.RemoveRemote(tmpRemoteName)
  515. headFile := fmt.Sprintf("refs/pull/%d/head", pr.Index)
  516. // Remove head in case there is a conflict.
  517. os.Remove(path.Join(pr.BaseRepo.RepoPath(), headFile))
  518. if err = git.Push(headRepoPath, tmpRemoteName, fmt.Sprintf("%s:%s", pr.HeadBranch, headFile)); err != nil {
  519. return fmt.Errorf("Push: %v", err)
  520. }
  521. return nil
  522. }
  523. // AddToTaskQueue adds itself to pull request test task queue.
  524. func (pr *PullRequest) AddToTaskQueue() {
  525. go PullRequestQueue.AddFunc(pr.ID, func() {
  526. pr.Status = PULL_REQUEST_STATUS_CHECKING
  527. if err := pr.UpdateCols("status"); err != nil {
  528. log.Error(3, "AddToTaskQueue.UpdateCols[%d].(add to queue): %v", pr.ID, err)
  529. }
  530. })
  531. }
  532. type PullRequestList []*PullRequest
  533. func (prs PullRequestList) loadAttributes(e Engine) (err error) {
  534. if len(prs) == 0 {
  535. return nil
  536. }
  537. // Load issues
  538. set := make(map[int64]*Issue)
  539. for i := range prs {
  540. set[prs[i].IssueID] = nil
  541. }
  542. issueIDs := make([]int64, 0, len(prs))
  543. for issueID := range set {
  544. issueIDs = append(issueIDs, issueID)
  545. }
  546. issues := make([]*Issue, 0, len(issueIDs))
  547. if err = e.Where("id > 0").In("id", issueIDs).Find(&issues); err != nil {
  548. return fmt.Errorf("find issues: %v", err)
  549. }
  550. for i := range issues {
  551. set[issues[i].ID] = issues[i]
  552. }
  553. for i := range prs {
  554. prs[i].Issue = set[prs[i].IssueID]
  555. }
  556. // Load attributes
  557. for i := range prs {
  558. if err = prs[i].loadAttributes(e); err != nil {
  559. return fmt.Errorf("loadAttributes [%d]: %v", prs[i].ID, err)
  560. }
  561. }
  562. return nil
  563. }
  564. func (prs PullRequestList) LoadAttributes() error {
  565. return prs.loadAttributes(x)
  566. }
  567. func addHeadRepoTasks(prs []*PullRequest) {
  568. for _, pr := range prs {
  569. log.Trace("addHeadRepoTasks[%d]: composing new test task", pr.ID)
  570. if err := pr.UpdatePatch(); err != nil {
  571. log.Error(4, "UpdatePatch: %v", err)
  572. continue
  573. } else if err := pr.PushToBaseRepo(); err != nil {
  574. log.Error(4, "PushToBaseRepo: %v", err)
  575. continue
  576. }
  577. pr.AddToTaskQueue()
  578. }
  579. }
  580. // AddTestPullRequestTask adds new test tasks by given head/base repository and head/base branch,
  581. // and generate new patch for testing as needed.
  582. func AddTestPullRequestTask(doer *User, repoID int64, branch string, isSync bool) {
  583. log.Trace("AddTestPullRequestTask [head_repo_id: %d, head_branch: %s]: finding pull requests", repoID, branch)
  584. prs, err := GetUnmergedPullRequestsByHeadInfo(repoID, branch)
  585. if err != nil {
  586. log.Error(2, "Find pull requests [head_repo_id: %d, head_branch: %s]: %v", repoID, branch, err)
  587. return
  588. }
  589. if isSync {
  590. if err = PullRequestList(prs).LoadAttributes(); err != nil {
  591. log.Error(2, "PullRequestList.LoadAttributes: %v", err)
  592. }
  593. if err == nil {
  594. for _, pr := range prs {
  595. pr.Issue.PullRequest = pr
  596. if err = pr.Issue.LoadAttributes(); err != nil {
  597. log.Error(2, "LoadAttributes: %v", err)
  598. continue
  599. }
  600. if err = PrepareWebhooks(pr.Issue.Repo, HOOK_EVENT_PULL_REQUEST, &api.PullRequestPayload{
  601. Action: api.HOOK_ISSUE_SYNCHRONIZED,
  602. Index: pr.Issue.Index,
  603. PullRequest: pr.Issue.PullRequest.APIFormat(),
  604. Repository: pr.Issue.Repo.APIFormat(nil),
  605. Sender: doer.APIFormat(),
  606. }); err != nil {
  607. log.Error(2, "PrepareWebhooks [pull_id: %v]: %v", pr.ID, err)
  608. continue
  609. }
  610. }
  611. }
  612. }
  613. addHeadRepoTasks(prs)
  614. log.Trace("AddTestPullRequestTask [base_repo_id: %d, base_branch: %s]: finding pull requests", repoID, branch)
  615. prs, err = GetUnmergedPullRequestsByBaseInfo(repoID, branch)
  616. if err != nil {
  617. log.Error(2, "Find pull requests [base_repo_id: %d, base_branch: %s]: %v", repoID, branch, err)
  618. return
  619. }
  620. for _, pr := range prs {
  621. pr.AddToTaskQueue()
  622. }
  623. }
  624. func ChangeUsernameInPullRequests(oldUserName, newUserName string) error {
  625. pr := PullRequest{
  626. HeadUserName: strings.ToLower(newUserName),
  627. }
  628. _, err := x.Cols("head_user_name").Where("head_user_name = ?", strings.ToLower(oldUserName)).Update(pr)
  629. return err
  630. }
  631. // checkAndUpdateStatus checks if pull request is possible to levaing checking status,
  632. // and set to be either conflict or mergeable.
  633. func (pr *PullRequest) checkAndUpdateStatus() {
  634. // Status is not changed to conflict means mergeable.
  635. if pr.Status == PULL_REQUEST_STATUS_CHECKING {
  636. pr.Status = PULL_REQUEST_STATUS_MERGEABLE
  637. }
  638. // Make sure there is no waiting test to process before levaing the checking status.
  639. if !PullRequestQueue.Exist(pr.ID) {
  640. if err := pr.UpdateCols("status"); err != nil {
  641. log.Error(4, "Update[%d]: %v", pr.ID, err)
  642. }
  643. }
  644. }
  645. // TestPullRequests checks and tests untested patches of pull requests.
  646. // TODO: test more pull requests at same time.
  647. func TestPullRequests() {
  648. prs := make([]*PullRequest, 0, 10)
  649. x.Iterate(PullRequest{
  650. Status: PULL_REQUEST_STATUS_CHECKING,
  651. },
  652. func(idx int, bean interface{}) error {
  653. pr := bean.(*PullRequest)
  654. if err := pr.LoadAttributes(); err != nil {
  655. log.Error(3, "LoadAttributes: %v", err)
  656. return nil
  657. }
  658. if err := pr.testPatch(); err != nil {
  659. log.Error(3, "testPatch: %v", err)
  660. return nil
  661. }
  662. prs = append(prs, pr)
  663. return nil
  664. })
  665. // Update pull request status.
  666. for _, pr := range prs {
  667. pr.checkAndUpdateStatus()
  668. }
  669. // Start listening on new test requests.
  670. for prID := range PullRequestQueue.Queue() {
  671. log.Trace("TestPullRequests[%v]: processing test task", prID)
  672. PullRequestQueue.Remove(prID)
  673. pr, err := GetPullRequestByID(com.StrTo(prID).MustInt64())
  674. if err != nil {
  675. log.Error(4, "GetPullRequestByID[%s]: %v", prID, err)
  676. continue
  677. } else if err = pr.testPatch(); err != nil {
  678. log.Error(4, "testPatch[%d]: %v", pr.ID, err)
  679. continue
  680. }
  681. pr.checkAndUpdateStatus()
  682. }
  683. }
  684. func InitTestPullRequests() {
  685. go TestPullRequests()
  686. }