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Only check for conflicts/merging if the PR has not been merged in the interim (#10132) (#10206) 

* Only check for conflicts/merging if the PR has not been merged in the interim (#10132)

* Only check for merging if the PR has not been merged in the interim

* fixup! Only check for merging if the PR has not been merged in the interim

* Try to fix test failure

* Use PR2 not PR1 in tests as PR1 merges automatically

* return already merged error

* enforce locking

* move pullrequest checking to after merge

This might improve the chance that the race does not affect us but does not prevent it.

* Remove minor race with getting merge commit id

move check pr after merge

* Remove unnecessary prepareTestEnv - onGiteaRun does this for us

* Add information about when merging occuring

* More logging

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

* re order

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
This commit is contained in:
6543 2020-02-10 14:09:08 +01:00 committed by GitHub
parent 9169b39458
commit c95d9603ea
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 70 additions and 37 deletions
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10
integrations/pull_merge_test.go
View File

@ -105,8 +105,6 @@ func TestPullRebase(t *testing.T) {
func TestPullRebaseMerge(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
hookTasks, err := models.HookTasks(1, 1) //Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
@ -129,8 +127,6 @@ func TestPullRebaseMerge(t *testing.T) {
func TestPullSquash(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
hookTasks, err := models.HookTasks(1, 1) //Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
@ -154,10 +150,9 @@ func TestPullSquash(t *testing.T) {
func TestPullCleanUpAfterMerge(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "feature/test", "README.md", "Hello, World (Edited)\n")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "feature/test", "README.md", "Hello, World (Edited - TestPullCleanUpAfterMerge)\n")
resp := testPullCreate(t, session, "user1", "repo1", "feature/test", "This is a pull title")
@ -190,7 +185,6 @@ func TestPullCleanUpAfterMerge(t *testing.T) {
func TestCantMergeWorkInProgress(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
@ -212,7 +206,6 @@ func TestCantMergeWorkInProgress(t *testing.T) {
func TestCantMergeConflict(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "conflict", "README.md", "Hello, World (Edited Once)\n")
@ -258,7 +251,6 @@ func TestCantMergeConflict(t *testing.T) {
func TestCantMergeUnrelated(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
defer prepareTestEnv(t)()
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "base", "README.md", "Hello, World (Edited Twice)\n")

68
models/pull.go
View File

@ -649,44 +649,66 @@ func (pr *PullRequest) CheckUserAllowedToMerge(doer *User) (err error) {
}
// SetMerged sets a pull request to merged and closes the corresponding issue
func (pr *PullRequest) SetMerged() (err error) {
func (pr *PullRequest) SetMerged() (bool, error) {
if pr.HasMerged {
return fmt.Errorf("PullRequest[%d] already merged", pr.Index)
return false, fmt.Errorf("PullRequest[%d] already merged", pr.Index)
}
if pr.MergedCommitID == "" || pr.MergedUnix == 0 || pr.Merger == nil {
return fmt.Errorf("Unable to merge PullRequest[%d], some required fields are empty", pr.Index)
return false, fmt.Errorf("Unable to merge PullRequest[%d], some required fields are empty", pr.Index)
}
pr.HasMerged = true
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
if err := sess.Begin(); err != nil {
return false, err
}
if err = pr.loadIssue(sess); err != nil {
return err
if _, err := sess.Exec("UPDATE `issue` SET `repo_id` = `repo_id` WHERE `id` = ?", pr.IssueID); err != nil {
return false, err
}
if err = pr.Issue.loadRepo(sess); err != nil {
return err
}
if err = pr.Issue.Repo.getOwner(sess); err != nil {
return err
if _, err := sess.Exec("UPDATE `pull_request` SET `issue_id` = `issue_id` WHERE `id` = ?", pr.ID); err != nil {
return false, err
}
if _, err = pr.Issue.changeStatus(sess, pr.Merger, true); err != nil {
return fmt.Errorf("Issue.changeStatus: %v", err)
}
if _, err = sess.ID(pr.ID).Cols("has_merged, status, merged_commit_id, merger_id, merged_unix").Update(pr); err != nil {
return fmt.Errorf("update pull request: %v", err)
pr.Issue = nil
if err := pr.loadIssue(sess); err != nil {
return false, err
}
if err = sess.Commit(); err != nil {
return fmt.Errorf("Commit: %v", err)
if tmpPr, err := getPullRequestByID(sess, pr.ID); err != nil {
return false, err
} else if tmpPr.HasMerged {
if pr.Issue.IsClosed {
return false, nil
}
return false, fmt.Errorf("PullRequest[%d] already merged but it's associated issue [%d] is not closed", pr.Index, pr.IssueID)
} else if pr.Issue.IsClosed {
return false, fmt.Errorf("PullRequest[%d] already closed", pr.Index)
}
return nil
if err := pr.Issue.loadRepo(sess); err != nil {
return false, err
}
if err := pr.Issue.Repo.getOwner(sess); err != nil {
return false, err
}
if _, err := pr.Issue.changeStatus(sess, pr.Merger, true); err != nil {
return false, fmt.Errorf("Issue.changeStatus: %v", err)
}
if _, err := sess.Where("id = ?", pr.ID).Cols("has_merged, status, merged_commit_id, merger_id, merged_unix").Update(pr); err != nil {
return false, fmt.Errorf("Failed to update pr[%d]: %v", pr.ID, err)
}
if err := sess.Commit(); err != nil {
return false, fmt.Errorf("Commit: %v", err)
}
return true, nil
}
// NewPullRequest creates new pull request with labels for repository.
@ -845,6 +867,12 @@ func (pr *PullRequest) UpdateCols(cols ...string) error {
return err
}
// UpdateColsIfNotMerged updates specific fields of a pull request if it has not been merged
func (pr *PullRequest) UpdateColsIfNotMerged(cols ...string) error {
_, err := x.Where("id = ? AND has_merged = ?", pr.ID, false).Cols(cols...).Update(pr)
return err
}
// IsWorkInProgress determine if the Pull Request is a Work In Progress by its title
func (pr *PullRequest) IsWorkInProgress() bool {
if err := pr.LoadIssue(); err != nil {

8
services/pull/check.go
View File

@ -31,7 +31,7 @@ var pullRequestQueue = sync.NewUniqueQueue(setting.Repository.PullRequestQueueLe
func AddToTaskQueue(pr *models.PullRequest) {
go pullRequestQueue.AddFunc(pr.ID, func() {
pr.Status = models.PullRequestStatusChecking
if err := pr.UpdateCols("status"); err != nil {
if err := pr.UpdateColsIfNotMerged("status"); err != nil {
log.Error("AddToTaskQueue.UpdateCols[%d].(add to queue): %v", pr.ID, err)
}
})
@ -142,9 +142,11 @@ func manuallyMerged(pr *models.PullRequest) bool {
pr.Merger = merger
pr.MergerID = merger.ID
if err = pr.SetMerged(); err != nil {
if merged, err := pr.SetMerged(); err != nil {
log.Error("PullRequest[%d].setMerged : %v", pr.ID, err)
return false
} else if !merged {
return false
}
baseGitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
@ -194,7 +196,7 @@ func TestPullRequests(ctx context.Context) {
if err != nil {
log.Error("GetPullRequestByID[%s]: %v", prID, err)
continue
} else if pr.Status != models.PullRequestStatusChecking {
} else if pr.HasMerged {
continue
} else if manuallyMerged(pr) {
continue

4
services/pull/check_test.go
View File

@ -18,7 +18,7 @@ import (
func TestPullRequest_AddToTaskQueue(t *testing.T) {
assert.NoError(t, models.PrepareTestDatabase())
pr := models.AssertExistsAndLoadBean(t, &models.PullRequest{ID: 1}).(*models.PullRequest)
pr := models.AssertExistsAndLoadBean(t, &models.PullRequest{ID: 2}).(*models.PullRequest)
AddToTaskQueue(pr)
select {
@ -29,6 +29,6 @@ func TestPullRequest_AddToTaskQueue(t *testing.T) {
}
assert.True(t, pullRequestQueue.Exist(pr.ID))
pr = models.AssertExistsAndLoadBean(t, &models.PullRequest{ID: 1}).(*models.PullRequest)
pr = models.AssertExistsAndLoadBean(t, &models.PullRequest{ID: 2}).(*models.PullRequest)
assert.Equal(t, models.PullRequestStatusChecking, pr.Status)
}

17
services/pull/merge.go
View File

@ -341,19 +341,30 @@ func Merge(pr *models.PullRequest, doer *models.User, baseGitRepo *git.Repositor
outbuf.Reset()
errbuf.Reset()
pr.MergedCommitID, err = baseGitRepo.GetBranchCommitID(pr.BaseBranch)
pr.MergedCommitID, err = git.GetFullCommitID(tmpBasePath, baseBranch)
if err != nil {
return fmt.Errorf("GetBranchCommit: %v", err)
return fmt.Errorf("Failed to get full commit id for the new merge: %v", err)
}
pr.MergedUnix = timeutil.TimeStampNow()
pr.Merger = doer
pr.MergerID = doer.ID
if err = pr.SetMerged(); err != nil {
if _, err = pr.SetMerged(); err != nil {
log.Error("setMerged [%d]: %v", pr.ID, err)
}
if err := pr.LoadIssue(); err != nil {
log.Error("loadIssue [%d]: %v", pr.ID, err)
}
if err := pr.Issue.LoadRepo(); err != nil {
log.Error("loadRepo for issue [%d]: %v", pr.ID, err)
}
if err := pr.Issue.Repo.GetOwner(); err != nil {
log.Error("GetOwner for issue repo [%d]: %v", pr.ID, err)
}
notification.NotifyMergePullRequest(pr, doer, baseGitRepo)
// Reset cached commit count