Add issue updating from commit messages in new pull request

models/action.go

@@ -763,6 +763,33 @@ func MergePullRequestAction(actUser *User, repo *Repository, pull *Issue, commit
 	return mergePullRequestAction(x, actUser, repo, pull, commits)
 }
 
+func newPullRequestAction(e Engine, doer *User, repo *Repository, pull *Issue, commits *PushCommits) (err error) {
+	if err = NotifyWatchers(&Action{
+		ActUserID: doer.ID,
+		ActUser:   doer,
+		OpType:    ActionCreatePullRequest,
+		Content:   fmt.Sprintf("%d|%s", pull.Index, pull.Title),
+		RepoID:    repo.ID,
+		Repo:      repo,
+		IsPrivate: repo.IsPrivate,
+	}); err != nil {
+		log.Error(4, "NotifyWatchers: %v", err)
+	} else if err = pull.MailParticipants(); err != nil {
+		log.Error(4, "MailParticipants: %v", err)
+	}
+
+	return nil
+}
+
+// NewPullRequestAction adds new action for merging pull request.
+func NewPullRequestAction(actUser *User, repo *Repository, pull *Issue, commits *PushCommits) error {
+	if err := UpdateIssuesCommit(actUser, repo, commits.Commits, false); err != nil {
+		log.Error(4, "updateIssuesCommit: %v", err)
+	}
+
+	return newPullRequestAction(x, actUser, repo, pull, commits)
+}
+
 // GetFeedsOptions options for retrieving feeds
 type GetFeedsOptions struct {
 	RequestedUser    *User

models/pull.go

@@ -772,23 +772,45 @@ func NewPullRequest(repo *Repository, pull *Issue, labelIDs []int64, uuids []str
 
 	UpdateIssueIndexer(pull.ID)
 
-	if err = NotifyWatchers(&Action{
-		ActUserID: pull.Poster.ID,
-		ActUser:   pull.Poster,
-		OpType:    ActionCreatePullRequest,
-		Content:   fmt.Sprintf("%d|%s", pull.Index, pull.Title),
-		RepoID:    repo.ID,
-		Repo:      repo,
-		IsPrivate: repo.IsPrivate,
-	}); err != nil {
-		log.Error(4, "NotifyWatchers: %v", err)
-	} else if err = pull.MailParticipants(); err != nil {
-		log.Error(4, "MailParticipants: %v", err)
-	}
-
 	pr.Issue = pull
 	pull.PullRequest = pr
 	mode, _ := AccessLevel(pull.Poster.ID, repo)
+
+	var (
+		baseBranch *Branch
+		headBranch *Branch
+		baseCommit *git.Commit
+		headCommit *git.Commit
+		baseGitRepo *git.Repository
+	)
+	if baseBranch, err = pr.BaseRepo.GetBranch(pr.BaseBranch); err != nil {
+		return nil
+	}
+	if baseCommit, err = baseBranch.GetCommit(); err != nil {
+		return nil
+	}
+	if headBranch, err = pr.HeadRepo.GetBranch(pr.HeadBranch); err != nil {
+		return nil
+	}
+	if headCommit, err = headBranch.GetCommit(); err != nil {
+		return nil
+	}
+	if baseGitRepo, err = git.OpenRepository(pr.BaseRepo.RepoPath()); err != nil {
+		log.Error(4, "OpenRepository", err)
+		return nil
+	}
+
+	l, err := baseGitRepo.CommitsBetweenIDs(headCommit.ID.String(), baseCommit.ID.String())
+	if err != nil {
+		log.Error(4, "CommitsBetweenIDs: %v", err)
+		return nil
+	}
+
+	commits := ListToPushCommits(l)
+	if err = NewPullRequestAction(pull.Poster, repo, pull, commits); err != nil {
+		log.Error(4, "NewPullRequestAction [%d]: %v", pr.ID, err)
+	}
+
 	if err = PrepareWebhooks(repo, HookEventPullRequest, &api.PullRequestPayload{
 		Action:      api.HookIssueOpened,
 		Index:       pull.Index,