mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-11-24 10:46:10 +01:00
269 lines
9.4 KiB
Go
269 lines
9.4 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package agit
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import (
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"context"
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"fmt"
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"os"
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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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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/git/pushoptions"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/private"
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notify_service "code.gitea.io/gitea/services/notify"
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pull_service "code.gitea.io/gitea/services/pull"
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)
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// ProcReceive handle proc receive work
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func ProcReceive(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, opts *private.HookOptions) ([]private.HookProcReceiveRefResult, error) {
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results := make([]private.HookProcReceiveRefResult, 0, len(opts.OldCommitIDs))
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topicBranch, _ := opts.GetGitPushOptions().GetString(pushoptions.AgitTopic)
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_, forcePush := opts.GetGitPushOptions().GetString(pushoptions.AgitForcePush)
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title, hasTitle := opts.GetGitPushOptions().GetString(pushoptions.AgitTitle)
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description, hasDesc := opts.GetGitPushOptions().GetString(pushoptions.AgitDescription)
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objectFormat := git.ObjectFormatFromName(repo.ObjectFormatName)
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pusher, err := user_model.GetUserByID(ctx, opts.UserID)
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if err != nil {
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return nil, fmt.Errorf("failed to get user[%d]: %w", opts.UserID, err)
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}
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for i := range opts.OldCommitIDs {
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// Avoid processing this change if the new commit is empty.
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if opts.NewCommitIDs[i] == objectFormat.EmptyObjectID().String() {
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results = append(results, private.HookProcReceiveRefResult{
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OriginalRef: opts.RefFullNames[i],
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OldOID: opts.OldCommitIDs[i],
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NewOID: opts.NewCommitIDs[i],
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Err: "Cannot delete a non-existent branch.",
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})
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continue
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}
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// Only process references that are in the form of refs/for/
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if !opts.RefFullNames[i].IsFor() {
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results = append(results, private.HookProcReceiveRefResult{
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IsNotMatched: true,
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OriginalRef: opts.RefFullNames[i],
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})
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continue
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}
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// Get the anything after the refs/for/ prefix.
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baseBranchName := opts.RefFullNames[i].ForBranchName()
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curentTopicBranch := topicBranch
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// If the reference was given in the format of refs/for/<target-branch>/<topic-branch>,
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// where <target-branch> and <topic-branch> can contain slashes, we need to iteratively
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// search for what the target and topic branch is.
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if !gitRepo.IsBranchExist(baseBranchName) {
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for p, v := range baseBranchName {
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if v == '/' && gitRepo.IsBranchExist(baseBranchName[:p]) && p != len(baseBranchName)-1 {
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curentTopicBranch = baseBranchName[p+1:]
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baseBranchName = baseBranchName[:p]
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break
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}
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}
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}
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if len(curentTopicBranch) == 0 {
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results = append(results, private.HookProcReceiveRefResult{
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OriginalRef: opts.RefFullNames[i],
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OldOID: opts.OldCommitIDs[i],
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NewOID: opts.NewCommitIDs[i],
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Err: "The topic-branch option is not set",
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})
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continue
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}
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// Include the user's name in the head branch, to avoid conflicts
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// with other users.
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headBranch := curentTopicBranch
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userName := strings.ToLower(opts.UserName)
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if !strings.HasPrefix(curentTopicBranch, userName+"/") {
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headBranch = userName + "/" + curentTopicBranch
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}
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// Check if a AGit pull request already exist for this branch.
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pr, err := issues_model.GetUnmergedPullRequest(ctx, repo.ID, repo.ID, headBranch, baseBranchName, issues_model.PullRequestFlowAGit)
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if err != nil {
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if !issues_model.IsErrPullRequestNotExist(err) {
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return nil, fmt.Errorf("failed to get unmerged AGit flow pull request in repository %q: %w", repo.FullName(), err)
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}
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// Check if the changes are already in the target branch.
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stdout, _, gitErr := git.NewCommand(ctx, "branch", "--contains").AddDynamicArguments(opts.NewCommitIDs[i], baseBranchName).RunStdString(&git.RunOpts{Dir: repo.RepoPath()})
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if gitErr != nil {
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return nil, fmt.Errorf("failed to check if the target branch already contains the new commit in repository %q: %w", repo.FullName(), err)
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}
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if len(stdout) > 0 {
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results = append(results, private.HookProcReceiveRefResult{
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OriginalRef: opts.RefFullNames[i],
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OldOID: opts.OldCommitIDs[i],
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NewOID: opts.NewCommitIDs[i],
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Err: "The target branch already contains this commit",
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})
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continue
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}
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// Automatically fill out the title and the description from the first commit.
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shouldGetCommit := len(title) == 0 || len(description) == 0
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var commit *git.Commit
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if shouldGetCommit {
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commit, err = gitRepo.GetCommit(opts.NewCommitIDs[i])
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if err != nil {
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return nil, fmt.Errorf("failed to get commit %s in repository %q: %w", opts.NewCommitIDs[i], repo.FullName(), err)
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}
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}
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if !hasTitle || len(title) == 0 {
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title = strings.Split(commit.CommitMessage, "\n")[0]
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}
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if !hasDesc || len(description) == 0 {
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_, description, _ = strings.Cut(commit.CommitMessage, "\n\n")
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}
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prIssue := &issues_model.Issue{
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RepoID: repo.ID,
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Title: title,
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PosterID: pusher.ID,
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Poster: pusher,
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IsPull: true,
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Content: description,
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}
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pr := &issues_model.PullRequest{
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HeadRepoID: repo.ID,
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BaseRepoID: repo.ID,
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HeadBranch: headBranch,
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HeadCommitID: opts.NewCommitIDs[i],
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BaseBranch: baseBranchName,
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HeadRepo: repo,
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BaseRepo: repo,
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MergeBase: "",
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Type: issues_model.PullRequestGitea,
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Flow: issues_model.PullRequestFlowAGit,
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}
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if err := pull_service.NewPullRequest(ctx, repo, prIssue, []int64{}, []string{}, pr, []int64{}); err != nil {
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return nil, fmt.Errorf("unable to create new pull request: %w", err)
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}
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log.Trace("Pull request created: %d/%d", repo.ID, prIssue.ID)
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results = append(results, private.HookProcReceiveRefResult{
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Ref: pr.GetGitRefName(),
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OriginalRef: opts.RefFullNames[i],
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OldOID: objectFormat.EmptyObjectID().String(),
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NewOID: opts.NewCommitIDs[i],
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})
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continue
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}
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// Update an existing pull request.
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if err := pr.LoadBaseRepo(ctx); err != nil {
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return nil, fmt.Errorf("unable to load base repository for PR[%d]: %w", pr.ID, err)
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}
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oldCommitID, err := gitRepo.GetRefCommitID(pr.GetGitRefName())
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if err != nil {
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return nil, fmt.Errorf("unable to get commit id of reference[%s] in base repository for PR[%d]: %w", pr.GetGitRefName(), pr.ID, err)
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}
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// Do not process this change if nothing was changed.
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if oldCommitID == opts.NewCommitIDs[i] {
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results = append(results, private.HookProcReceiveRefResult{
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OriginalRef: opts.RefFullNames[i],
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OldOID: opts.OldCommitIDs[i],
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NewOID: opts.NewCommitIDs[i],
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Err: "The new commit is the same as the old commit",
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})
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continue
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}
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// If the force push option was not set, ensure that this change isn't a force push.
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if !forcePush {
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output, _, err := git.NewCommand(ctx, "rev-list", "--max-count=1").AddDynamicArguments(oldCommitID, "^"+opts.NewCommitIDs[i]).RunStdString(&git.RunOpts{Dir: repo.RepoPath(), Env: os.Environ()})
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if err != nil {
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return nil, fmt.Errorf("failed to detect a force push: %w", err)
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} else if len(output) > 0 {
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results = append(results, private.HookProcReceiveRefResult{
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OriginalRef: opts.RefFullNames[i],
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OldOID: opts.OldCommitIDs[i],
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NewOID: opts.NewCommitIDs[i],
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Err: "Updates were rejected because the tip of your current branch is behind its remote counterpart. If this is intentional, set the `force-push` option by adding `-o force-push=true` to your `git push` command.",
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})
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continue
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}
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}
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// Set the new commit as reference of the pull request.
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pr.HeadCommitID = opts.NewCommitIDs[i]
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if err = pull_service.UpdateRef(ctx, pr); err != nil {
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return nil, fmt.Errorf("failed to update the reference of the pull request: %w", err)
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}
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// TODO: refactor to unify with `pull_service.AddTestPullRequestTask`
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// Add the pull request to the merge conflicting checker queue.
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pull_service.AddToTaskQueue(ctx, pr)
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if err := pr.LoadIssue(ctx); err != nil {
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return nil, fmt.Errorf("failed to load the issue of the pull request: %w", err)
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}
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// Validate pull request.
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pull_service.ValidatePullRequest(ctx, pr, oldCommitID, opts.NewCommitIDs[i], pusher)
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// TODO: call `InvalidateCodeComments`
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// Create and notify about the new commits.
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comment, err := pull_service.CreatePushPullComment(ctx, pusher, pr, oldCommitID, opts.NewCommitIDs[i])
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if err == nil && comment != nil {
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notify_service.PullRequestPushCommits(ctx, pusher, pr, comment)
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}
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notify_service.PullRequestSynchronized(ctx, pusher, pr)
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// this always seems to be false
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isForcePush := comment != nil && comment.IsForcePush
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results = append(results, private.HookProcReceiveRefResult{
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OldOID: oldCommitID,
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NewOID: opts.NewCommitIDs[i],
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Ref: pr.GetGitRefName(),
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OriginalRef: opts.RefFullNames[i],
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IsForcePush: isForcePush,
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})
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}
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return results, nil
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}
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// UserNameChanged handle user name change for agit flow pull
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func UserNameChanged(ctx context.Context, user *user_model.User, newName string) error {
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pulls, err := issues_model.GetAllUnmergedAgitPullRequestByPoster(ctx, user.ID)
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if err != nil {
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return err
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}
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newName = strings.ToLower(newName)
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for _, pull := range pulls {
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pull.HeadBranch = strings.TrimPrefix(pull.HeadBranch, user.LowerName+"/")
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pull.HeadBranch = newName + "/" + pull.HeadBranch
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if err = pull.UpdateCols(ctx, "head_branch"); err != nil {
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return err
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}
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}
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return nil
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}
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