forked from kevadesu/forgejo
Merge pull request 'Revert "avoid superfluous synchronized pull_request run when opening a PR"' (#2848) from earl-warren/forgejo:wip-revert-bad-race-fix into forgejo
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2848 Reviewed-by: oliverpool <oliverpool@noreply.codeberg.org>
This commit is contained in:
Earl Warren
commit
26f6a3b578
9 changed files with 94 additions and 336 deletions
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@ -187,7 +187,7 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
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}
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defer func() {
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AddTestPullRequestTask(ctx, doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
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go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
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}()
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pr.MergedCommitID, err = doMergeAndPush(ctx, pr, doer, mergeStyle, expectedHeadCommitID, message)
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@ -292,129 +292,113 @@ func checkForInvalidation(ctx context.Context, requests issues_model.PullRequest
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// AddTestPullRequestTask adds new test tasks by given head/base repository and head/base branch,
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// and generate new patch for testing as needed.
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func AddTestPullRequestTask(ctx context.Context, doer *user_model.User, repoID int64, branch string, isSync bool, oldCommitID, newCommitID string) {
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// When TestPullRequest runs it must ignore any PR with an index > maxPR because they
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// would have been created after the goroutine started. They are in the future.
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// This guards the following race:
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// * commit A is pushed
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// * goroutine starts but does not run TestPullRequest yet
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// * a pull request with commit A as the head is created
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// * goroutine continues and runs TestPullRequest
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maxPR, err := issues_model.GetMaxIssueIndexForRepo(ctx, repoID)
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if err != nil {
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log.Error("AddTestPullRequestTask GetMaxIssueIndexForRepo(%d): %v", repoID, err)
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return
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}
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log.Trace("AddTestPullRequestTask [head_repo_id: %d, head_branch: %s]: only pull requests with index <= %d will be considered", repoID, branch, maxPR)
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go graceful.GetManager().RunWithShutdownContext(func(ctx context.Context) {
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func AddTestPullRequestTask(doer *user_model.User, repoID int64, branch string, isSync bool, oldCommitID, newCommitID string) {
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log.Trace("AddTestPullRequestTask [head_repo_id: %d, head_branch: %s]: finding pull requests", repoID, branch)
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graceful.GetManager().RunWithShutdownContext(func(ctx context.Context) {
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// There is no sensible way to shut this down ":-("
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// If you don't let it run all the way then you will lose data
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// TODO: graceful: TestPullRequest needs to become a queue!
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// TODO: graceful: AddTestPullRequestTask needs to become a queue!
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TestPullRequest(ctx, doer, repoID, maxPR, branch, isSync, oldCommitID, newCommitID)
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})
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}
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// GetUnmergedPullRequestsByHeadInfo() only return open and unmerged PR.
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prs, err := issues_model.GetUnmergedPullRequestsByHeadInfo(ctx, repoID, branch)
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if err != nil {
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log.Error("Find pull requests [head_repo_id: %d, head_branch: %s]: %v", repoID, branch, err)
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return
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}
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func TestPullRequest(ctx context.Context, doer *user_model.User, repoID, maxPR int64, branch string, isSync bool, oldCommitID, newCommitID string) {
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// GetUnmergedPullRequestsByHeadInfo() only return open and unmerged PR.
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prs, err := issues_model.GetUnmergedPullRequestsByHeadInfoMax(ctx, repoID, maxPR, branch)
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if err != nil {
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log.Error("Find pull requests [head_repo_id: %d, head_branch: %s]: %v", repoID, branch, err)
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return
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}
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for _, pr := range prs {
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log.Trace("Updating PR[id=%d,index=%d]: composing new test task", pr.ID, pr.Index)
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if pr.Flow == issues_model.PullRequestFlowGithub {
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if err := PushToBaseRepo(ctx, pr); err != nil {
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log.Error("PushToBaseRepo: %v", err)
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for _, pr := range prs {
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log.Trace("Updating PR[%d]: composing new test task", pr.ID)
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if pr.Flow == issues_model.PullRequestFlowGithub {
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if err := PushToBaseRepo(ctx, pr); err != nil {
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log.Error("PushToBaseRepo: %v", err)
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continue
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}
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} else {
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continue
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}
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} else {
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continue
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AddToTaskQueue(ctx, pr)
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comment, err := CreatePushPullComment(ctx, doer, pr, oldCommitID, newCommitID)
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if err == nil && comment != nil {
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notify_service.PullRequestPushCommits(ctx, doer, pr, comment)
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}
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}
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AddToTaskQueue(ctx, pr)
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comment, err := CreatePushPullComment(ctx, doer, pr, oldCommitID, newCommitID)
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if err == nil && comment != nil {
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notify_service.PullRequestPushCommits(ctx, doer, pr, comment)
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}
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}
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if isSync {
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requests := issues_model.PullRequestList(prs)
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if err = requests.LoadAttributes(ctx); err != nil {
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log.Error("PullRequestList.LoadAttributes: %v", err)
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}
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if invalidationErr := checkForInvalidation(ctx, requests, repoID, doer, branch); invalidationErr != nil {
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log.Error("checkForInvalidation: %v", invalidationErr)
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}
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if err == nil {
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for _, pr := range prs {
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objectFormat := git.ObjectFormatFromName(pr.BaseRepo.ObjectFormatName)
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if newCommitID != "" && newCommitID != objectFormat.EmptyObjectID().String() {
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changed, err := checkIfPRContentChanged(ctx, pr, oldCommitID, newCommitID)
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if err != nil {
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log.Error("checkIfPRContentChanged: %v", err)
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}
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if changed {
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// Mark old reviews as stale if diff to mergebase has changed
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if err := issues_model.MarkReviewsAsStale(ctx, pr.IssueID); err != nil {
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log.Error("MarkReviewsAsStale: %v", err)
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}
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// dismiss all approval reviews if protected branch rule item enabled.
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pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
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if isSync {
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requests := issues_model.PullRequestList(prs)
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if err = requests.LoadAttributes(ctx); err != nil {
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log.Error("PullRequestList.LoadAttributes: %v", err)
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}
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if invalidationErr := checkForInvalidation(ctx, requests, repoID, doer, branch); invalidationErr != nil {
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log.Error("checkForInvalidation: %v", invalidationErr)
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}
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if err == nil {
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for _, pr := range prs {
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objectFormat := git.ObjectFormatFromName(pr.BaseRepo.ObjectFormatName)
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if newCommitID != "" && newCommitID != objectFormat.EmptyObjectID().String() {
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changed, err := checkIfPRContentChanged(ctx, pr, oldCommitID, newCommitID)
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if err != nil {
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log.Error("GetFirstMatchProtectedBranchRule: %v", err)
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log.Error("checkIfPRContentChanged: %v", err)
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}
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if pb != nil && pb.DismissStaleApprovals {
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if err := DismissApprovalReviews(ctx, doer, pr); err != nil {
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log.Error("DismissApprovalReviews: %v", err)
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if changed {
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// Mark old reviews as stale if diff to mergebase has changed
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if err := issues_model.MarkReviewsAsStale(ctx, pr.IssueID); err != nil {
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log.Error("MarkReviewsAsStale: %v", err)
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}
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// dismiss all approval reviews if protected branch rule item enabled.
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pb, err := git_model.GetFirstMatchProtectedBranchRule(ctx, pr.BaseRepoID, pr.BaseBranch)
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if err != nil {
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log.Error("GetFirstMatchProtectedBranchRule: %v", err)
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}
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if pb != nil && pb.DismissStaleApprovals {
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if err := DismissApprovalReviews(ctx, doer, pr); err != nil {
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log.Error("DismissApprovalReviews: %v", err)
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}
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}
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}
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if err := issues_model.MarkReviewsAsNotStale(ctx, pr.IssueID, newCommitID); err != nil {
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log.Error("MarkReviewsAsNotStale: %v", err)
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}
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divergence, err := GetDiverging(ctx, pr)
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if err != nil {
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log.Error("GetDiverging: %v", err)
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} else {
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err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
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if err != nil {
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log.Error("UpdateCommitDivergence: %v", err)
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}
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}
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}
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if err := issues_model.MarkReviewsAsNotStale(ctx, pr.IssueID, newCommitID); err != nil {
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log.Error("MarkReviewsAsNotStale: %v", err)
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}
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divergence, err := GetDiverging(ctx, pr)
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if err != nil {
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log.Error("GetDiverging: %v", err)
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} else {
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err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
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if err != nil {
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log.Error("UpdateCommitDivergence: %v", err)
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}
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}
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notify_service.PullRequestSynchronized(ctx, doer, pr)
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}
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notify_service.PullRequestSynchronized(ctx, doer, pr)
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}
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}
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}
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log.Trace("TestPullRequest [base_repo_id: %d, base_branch: %s]: finding pull requests", repoID, branch)
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prs, err = issues_model.GetUnmergedPullRequestsByBaseInfo(ctx, repoID, branch)
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if err != nil {
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log.Error("Find pull requests [base_repo_id: %d, base_branch: %s]: %v", repoID, branch, err)
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return
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}
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for _, pr := range prs {
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divergence, err := GetDiverging(ctx, pr)
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log.Trace("AddTestPullRequestTask [base_repo_id: %d, base_branch: %s]: finding pull requests", repoID, branch)
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prs, err = issues_model.GetUnmergedPullRequestsByBaseInfo(ctx, repoID, branch)
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if err != nil {
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if git_model.IsErrBranchNotExist(err) && !git.IsBranchExist(ctx, pr.HeadRepo.RepoPath(), pr.HeadBranch) {
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log.Warn("Cannot test PR %s/%d: head_branch %s no longer exists", pr.BaseRepo.Name, pr.IssueID, pr.HeadBranch)
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} else {
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log.Error("GetDiverging: %v", err)
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}
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} else {
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err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
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if err != nil {
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log.Error("UpdateCommitDivergence: %v", err)
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}
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log.Error("Find pull requests [base_repo_id: %d, base_branch: %s]: %v", repoID, branch, err)
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return
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}
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AddToTaskQueue(ctx, pr)
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}
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for _, pr := range prs {
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divergence, err := GetDiverging(ctx, pr)
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if err != nil {
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if git_model.IsErrBranchNotExist(err) && !git.IsBranchExist(ctx, pr.HeadRepo.RepoPath(), pr.HeadBranch) {
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log.Warn("Cannot test PR %s/%d: head_branch %s no longer exists", pr.BaseRepo.Name, pr.IssueID, pr.HeadBranch)
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} else {
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log.Error("GetDiverging: %v", err)
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}
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} else {
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err = pr.UpdateCommitDivergence(ctx, divergence.Ahead, divergence.Behind)
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if err != nil {
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log.Error("UpdateCommitDivergence: %v", err)
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}
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}
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AddToTaskQueue(ctx, pr)
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}
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})
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}
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// checkIfPRContentChanged checks if diff to target branch has changed by push
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@ -36,7 +36,7 @@ func Update(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.
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if rebase {
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defer func() {
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AddTestPullRequestTask(ctx, doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
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go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
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}()
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return updateHeadByRebaseOnToBase(ctx, pr, doer, message)
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@ -75,7 +75,7 @@ func Update(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.
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_, err = doMergeAndPush(ctx, reversePR, doer, repo_model.MergeStyleMerge, "", message)
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defer func() {
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AddTestPullRequestTask(ctx, doer, reversePR.HeadRepo.ID, reversePR.HeadBranch, false, "", "")
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go AddTestPullRequestTask(doer, reversePR.HeadRepo.ID, reversePR.HeadBranch, false, "", "")
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}()
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return err
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@ -166,7 +166,7 @@ func pushUpdates(optsList []*repo_module.PushUpdateOptions) error {
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branch := opts.RefFullName.BranchName()
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if !opts.IsDelRef() {
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log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
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pull_service.AddTestPullRequestTask(ctx, pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
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go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
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newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
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if err != nil {
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