mirror of
https://github.com/go-gitea/gitea.git
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* Make auto check manual merge as a chooseable mod and add manual merge way on ui as title, Before this pr, we use same way with GH to check manually merge. It good, but in some special cases, misjudgments can occur. and it's hard to fix this bug. So I add option to allow repo manager block "auto check manual merge" function, Then it will have same style like gitlab(allow empty pr). and to compensate for not being able to detect THE PR merge automatically, I added a manual approach. Signed-off-by: a1012112796 <1012112796@qq.com> * make swager * api support * ping ci * fix TestPullCreate_EmptyChangesWithCommits * Apply suggestions from code review Co-authored-by: zeripath <art27@cantab.net> * Apply review suggestions and add test * Apply suggestions from code review Co-authored-by: zeripath <art27@cantab.net> * fix build * test error message * make fmt * Fix indentation issues identified by @silverwind Co-authored-by: silverwind <me@silverwind.io> * Fix tests and make manually merged disabled error on API the same Signed-off-by: Andrew Thornton <art27@cantab.net> * a small nit * fix wrong commit id error * fix bug * simple test * fix test Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
269 lines
8.2 KiB
Go
269 lines
8.2 KiB
Go
// Copyright 2019 The Gitea Authors.
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// All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package pull
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/notification"
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"code.gitea.io/gitea/modules/queue"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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)
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// prQueue represents a queue to handle update pull request tests
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var prQueue queue.UniqueQueue
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// AddToTaskQueue adds itself to pull request test task queue.
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func AddToTaskQueue(pr *models.PullRequest) {
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go func() {
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err := prQueue.PushFunc(strconv.FormatInt(pr.ID, 10), func() error {
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pr.Status = models.PullRequestStatusChecking
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err := pr.UpdateColsIfNotMerged("status")
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if err != nil {
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log.Error("AddToTaskQueue.UpdateCols[%d].(add to queue): %v", pr.ID, err)
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} else {
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log.Trace("Adding PR ID: %d to the test pull requests queue", pr.ID)
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}
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return err
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})
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if err != nil && err != queue.ErrAlreadyInQueue {
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log.Error("Error adding prID %d to the test pull requests queue: %v", pr.ID, err)
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}
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}()
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}
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// checkAndUpdateStatus checks if pull request is possible to leaving checking status,
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// and set to be either conflict or mergeable.
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func checkAndUpdateStatus(pr *models.PullRequest) {
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// Status is not changed to conflict means mergeable.
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if pr.Status == models.PullRequestStatusChecking {
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pr.Status = models.PullRequestStatusMergeable
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}
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// Make sure there is no waiting test to process before leaving the checking status.
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has, err := prQueue.Has(strconv.FormatInt(pr.ID, 10))
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if err != nil {
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log.Error("Unable to check if the queue is waiting to reprocess pr.ID %d. Error: %v", pr.ID, err)
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}
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if !has {
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if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "changed_protected_files"); err != nil {
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log.Error("Update[%d]: %v", pr.ID, err)
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}
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}
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}
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// getMergeCommit checks if a pull request got merged
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// Returns the git.Commit of the pull request if merged
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func getMergeCommit(pr *models.PullRequest) (*git.Commit, error) {
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if pr.BaseRepo == nil {
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var err error
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pr.BaseRepo, err = models.GetRepositoryByID(pr.BaseRepoID)
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if err != nil {
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return nil, fmt.Errorf("GetRepositoryByID: %v", err)
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}
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}
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indexTmpPath, err := ioutil.TempDir(os.TempDir(), "gitea-"+pr.BaseRepo.Name)
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if err != nil {
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return nil, fmt.Errorf("Failed to create temp dir for repository %s: %v", pr.BaseRepo.RepoPath(), err)
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}
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defer func() {
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if err := util.RemoveAll(indexTmpPath); err != nil {
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log.Warn("Unable to remove temporary index path: %s: Error: %v", indexTmpPath, err)
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}
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}()
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headFile := pr.GetGitRefName()
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// Check if a pull request is merged into BaseBranch
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_, err = git.NewCommand("merge-base", "--is-ancestor", headFile, pr.BaseBranch).
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RunInDirWithEnv(pr.BaseRepo.RepoPath(), []string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()})
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if err != nil {
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// Errors are signaled by a non-zero status that is not 1
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if strings.Contains(err.Error(), "exit status 1") {
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return nil, nil
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}
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return nil, fmt.Errorf("git merge-base --is-ancestor: %v", err)
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}
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commitIDBytes, err := ioutil.ReadFile(pr.BaseRepo.RepoPath() + "/" + headFile)
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if err != nil {
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return nil, fmt.Errorf("ReadFile(%s): %v", headFile, err)
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}
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commitID := string(commitIDBytes)
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if len(commitID) < 40 {
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return nil, fmt.Errorf(`ReadFile(%s): invalid commit-ID "%s"`, headFile, commitID)
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}
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cmd := commitID[:40] + ".." + pr.BaseBranch
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// Get the commit from BaseBranch where the pull request got merged
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mergeCommit, err := git.NewCommand("rev-list", "--ancestry-path", "--merges", "--reverse", cmd).
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RunInDirWithEnv("", []string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()})
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if err != nil {
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return nil, fmt.Errorf("git rev-list --ancestry-path --merges --reverse: %v", err)
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} else if len(mergeCommit) < 40 {
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// PR was maybe fast-forwarded, so just use last commit of PR
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mergeCommit = commitID[:40]
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}
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gitRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
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if err != nil {
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return nil, fmt.Errorf("OpenRepository: %v", err)
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}
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defer gitRepo.Close()
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commit, err := gitRepo.GetCommit(mergeCommit[:40])
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if err != nil {
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return nil, fmt.Errorf("GetCommit: %v", err)
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}
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return commit, nil
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}
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// manuallyMerged checks if a pull request got manually merged
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// When a pull request got manually merged mark the pull request as merged
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func manuallyMerged(pr *models.PullRequest) bool {
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if err := pr.LoadBaseRepo(); err != nil {
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log.Error("PullRequest[%d].LoadBaseRepo: %v", pr.ID, err)
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return false
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}
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if unit, err := pr.BaseRepo.GetUnit(models.UnitTypePullRequests); err == nil {
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config := unit.PullRequestsConfig()
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if !config.AutodetectManualMerge {
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return false
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}
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} else {
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log.Error("PullRequest[%d].BaseRepo.GetUnit(models.UnitTypePullRequests): %v", pr.ID, err)
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return false
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}
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commit, err := getMergeCommit(pr)
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if err != nil {
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log.Error("PullRequest[%d].getMergeCommit: %v", pr.ID, err)
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return false
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}
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if commit != nil {
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pr.MergedCommitID = commit.ID.String()
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pr.MergedUnix = timeutil.TimeStamp(commit.Author.When.Unix())
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pr.Status = models.PullRequestStatusManuallyMerged
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merger, _ := models.GetUserByEmail(commit.Author.Email)
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// When the commit author is unknown set the BaseRepo owner as merger
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if merger == nil {
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if pr.BaseRepo.Owner == nil {
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if err = pr.BaseRepo.GetOwner(); err != nil {
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log.Error("BaseRepo.GetOwner[%d]: %v", pr.ID, err)
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return false
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}
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}
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merger = pr.BaseRepo.Owner
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}
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pr.Merger = merger
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pr.MergerID = merger.ID
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if merged, err := pr.SetMerged(); err != nil {
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log.Error("PullRequest[%d].setMerged : %v", pr.ID, err)
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return false
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} else if !merged {
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return false
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}
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notification.NotifyMergePullRequest(pr, merger)
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log.Info("manuallyMerged[%d]: Marked as manually merged into %s/%s by commit id: %s", pr.ID, pr.BaseRepo.Name, pr.BaseBranch, commit.ID.String())
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return true
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}
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return false
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}
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// InitializePullRequests checks and tests untested patches of pull requests.
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func InitializePullRequests(ctx context.Context) {
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prs, err := models.GetPullRequestIDsByCheckStatus(models.PullRequestStatusChecking)
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if err != nil {
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log.Error("Find Checking PRs: %v", err)
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return
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}
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for _, prID := range prs {
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select {
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case <-ctx.Done():
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return
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default:
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if err := prQueue.PushFunc(strconv.FormatInt(prID, 10), func() error {
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log.Trace("Adding PR ID: %d to the pull requests patch checking queue", prID)
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return nil
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}); err != nil {
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log.Error("Error adding prID: %s to the pull requests patch checking queue %v", prID, err)
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}
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}
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}
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}
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// handle passed PR IDs and test the PRs
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func handle(data ...queue.Data) {
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for _, datum := range data {
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id, _ := strconv.ParseInt(datum.(string), 10, 64)
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log.Trace("Testing PR ID %d from the pull requests patch checking queue", id)
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pr, err := models.GetPullRequestByID(id)
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if err != nil {
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log.Error("GetPullRequestByID[%s]: %v", datum, err)
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continue
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} else if pr.HasMerged {
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continue
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} else if manuallyMerged(pr) {
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continue
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} else if err = TestPatch(pr); err != nil {
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log.Error("testPatch[%d]: %v", pr.ID, err)
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pr.Status = models.PullRequestStatusError
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if err := pr.UpdateCols("status"); err != nil {
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log.Error("update pr [%d] status to PullRequestStatusError failed: %v", pr.ID, err)
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}
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continue
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}
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checkAndUpdateStatus(pr)
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}
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}
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// CheckPrsForBaseBranch check all pulls with bseBrannch
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func CheckPrsForBaseBranch(baseRepo *models.Repository, baseBranchName string) error {
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prs, err := models.GetUnmergedPullRequestsByBaseInfo(baseRepo.ID, baseBranchName)
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if err != nil {
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return err
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}
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for _, pr := range prs {
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AddToTaskQueue(pr)
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}
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return nil
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}
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// Init runs the task queue to test all the checking status pull requests
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func Init() error {
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prQueue = queue.CreateUniqueQueue("pr_patch_checker", handle, "").(queue.UniqueQueue)
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if prQueue == nil {
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return fmt.Errorf("Unable to create pr_patch_checker Queue")
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}
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go graceful.GetManager().RunWithShutdownFns(prQueue.Run)
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go graceful.GetManager().RunWithShutdownContext(InitializePullRequests)
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return nil
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}
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