mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-22 12:54:53 -05:00
120 lines
3.3 KiB
Go
120 lines
3.3 KiB
Go
// Copyright 2021 Gitea. All rights reserved.
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// SPDX-License-Identifier: MIT
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package automerge
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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issues_model "code.gitea.io/gitea/models/issues"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/queue"
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)
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// PRAutoMergeQueue represents a queue to handle update pull request tests
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var PRAutoMergeQueue *queue.WorkerPoolQueue[string]
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func addToQueue(pr *issues_model.PullRequest, sha string) {
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log.Trace("Adding pullID: %d to the pull requests patch checking queue with sha %s", pr.ID, sha)
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if err := PRAutoMergeQueue.Push(fmt.Sprintf("%d_%s", pr.ID, sha)); err != nil {
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log.Error("Error adding pullID: %d to the pull requests patch checking queue %v", pr.ID, err)
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}
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}
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// StartPRCheckAndAutoMergeBySHA start an automerge check and auto merge task for all pull requests of repository and SHA
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func StartPRCheckAndAutoMergeBySHA(ctx context.Context, sha string, repo *repo_model.Repository) error {
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pulls, err := getPullRequestsByHeadSHA(ctx, sha, repo, func(pr *issues_model.PullRequest) bool {
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return !pr.HasMerged && pr.CanAutoMerge()
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})
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if err != nil {
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return err
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}
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for _, pr := range pulls {
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addToQueue(pr, sha)
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}
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return nil
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}
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// StartPRCheckAndAutoMerge start an automerge check and auto merge task for a pull request
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func StartPRCheckAndAutoMerge(ctx context.Context, pull *issues_model.PullRequest) {
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if pull == nil || pull.HasMerged || !pull.CanAutoMerge() {
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return
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}
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if err := pull.LoadBaseRepo(ctx); err != nil {
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log.Error("LoadBaseRepo: %v", err)
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return
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}
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gitRepo, err := gitrepo.OpenRepository(ctx, pull.BaseRepo)
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if err != nil {
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log.Error("OpenRepository: %v", err)
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return
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}
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defer gitRepo.Close()
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commitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
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if err != nil {
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log.Error("GetRefCommitID: %v", err)
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return
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}
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addToQueue(pull, commitID)
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}
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func getPullRequestsByHeadSHA(ctx context.Context, sha string, repo *repo_model.Repository, filter func(*issues_model.PullRequest) bool) (map[int64]*issues_model.PullRequest, error) {
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gitRepo, err := gitrepo.OpenRepository(ctx, repo)
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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refs, err := gitRepo.GetRefsBySha(sha, "")
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if err != nil {
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return nil, err
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}
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pulls := make(map[int64]*issues_model.PullRequest)
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for _, ref := range refs {
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// Each pull branch starts with refs/pull/ we then go from there to find the index of the pr and then
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// use that to get the pr.
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if strings.HasPrefix(ref, git.PullPrefix) {
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parts := strings.Split(ref[len(git.PullPrefix):], "/")
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// e.g. 'refs/pull/1/head' would be []string{"1", "head"}
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if len(parts) != 2 {
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log.Error("getPullRequestsByHeadSHA found broken pull ref [%s] on repo [%-v]", ref, repo)
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continue
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}
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prIndex, err := strconv.ParseInt(parts[0], 10, 64)
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if err != nil {
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log.Error("getPullRequestsByHeadSHA found broken pull ref [%s] on repo [%-v]", ref, repo)
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continue
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}
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p, err := issues_model.GetPullRequestByIndex(ctx, repo.ID, prIndex)
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if err != nil {
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// If there is no pull request for this branch, we don't try to merge it.
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if issues_model.IsErrPullRequestNotExist(err) {
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continue
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}
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return nil, err
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}
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if filter(p) {
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pulls[p.ID] = p
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}
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}
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}
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return pulls, nil
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}
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