internal: move packages under this directory (#5836)

* Rename pkg -> internal

* Rename routes -> route

* Move route -> internal/route

* Rename models -> db

* Move db -> internal/db

* Fix route2 -> route

* Move cmd -> internal/cmd

* Bump version

1 files changed, 771 insertions, 0 deletions

diff --git a/internal/route/repo/pull.go b/internal/route/repo/pull.go
new file mode 100644
index 00000000..b6ae9875
--- /dev/null
+++ b/internal/route/repo/pull.go
@@ -0,0 +1,771 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"container/list"
+	"path"
+	"strings"
+
+	"github.com/unknwon/com"
+	log "gopkg.in/clog.v1"
+
+	"github.com/gogs/git-module"
+
+	"gogs.io/gogs/internal/context"
+	"gogs.io/gogs/internal/db"
+	"gogs.io/gogs/internal/db/errors"
+	"gogs.io/gogs/internal/form"
+	"gogs.io/gogs/internal/setting"
+	"gogs.io/gogs/internal/tool"
+)
+
+const (
+	FORK         = "repo/pulls/fork"
+	COMPARE_PULL = "repo/pulls/compare"
+	PULL_COMMITS = "repo/pulls/commits"
+	PULL_FILES   = "repo/pulls/files"
+
+	PULL_REQUEST_TEMPLATE_KEY = "PullRequestTemplate"
+)
+
+var (
+	PullRequestTemplateCandidates = []string{
+		"PULL_REQUEST.md",
+		".gogs/PULL_REQUEST.md",
+		".github/PULL_REQUEST.md",
+	}
+)
+
+func parseBaseRepository(c *context.Context) *db.Repository {
+	baseRepo, err := db.GetRepositoryByID(c.ParamsInt64(":repoid"))
+	if err != nil {
+		c.NotFoundOrServerError("GetRepositoryByID", errors.IsRepoNotExist, err)
+		return nil
+	}
+
+	if !baseRepo.CanBeForked() || !baseRepo.HasAccess(c.User.ID) {
+		c.NotFound()
+		return nil
+	}
+
+	c.Data["repo_name"] = baseRepo.Name
+	c.Data["description"] = baseRepo.Description
+	c.Data["IsPrivate"] = baseRepo.IsPrivate
+
+	if err = baseRepo.GetOwner(); err != nil {
+		c.ServerError("GetOwner", err)
+		return nil
+	}
+	c.Data["ForkFrom"] = baseRepo.Owner.Name + "/" + baseRepo.Name
+
+	if err := c.User.GetOrganizations(true); err != nil {
+		c.ServerError("GetOrganizations", err)
+		return nil
+	}
+	c.Data["Orgs"] = c.User.Orgs
+
+	return baseRepo
+}
+
+func Fork(c *context.Context) {
+	c.Data["Title"] = c.Tr("new_fork")
+
+	parseBaseRepository(c)
+	if c.Written() {
+		return
+	}
+
+	c.Data["ContextUser"] = c.User
+	c.Success(FORK)
+}
+
+func ForkPost(c *context.Context, f form.CreateRepo) {
+	c.Data["Title"] = c.Tr("new_fork")
+
+	baseRepo := parseBaseRepository(c)
+	if c.Written() {
+		return
+	}
+
+	ctxUser := checkContextUser(c, f.UserID)
+	if c.Written() {
+		return
+	}
+	c.Data["ContextUser"] = ctxUser
+
+	if c.HasError() {
+		c.Success(FORK)
+		return
+	}
+
+	repo, has, err := db.HasForkedRepo(ctxUser.ID, baseRepo.ID)
+	if err != nil {
+		c.ServerError("HasForkedRepo", err)
+		return
+	} else if has {
+		c.Redirect(repo.Link())
+		return
+	}
+
+	// Check ownership of organization.
+	if ctxUser.IsOrganization() && !ctxUser.IsOwnedBy(c.User.ID) {
+		c.Error(403)
+		return
+	}
+
+	// Cannot fork to same owner
+	if ctxUser.ID == baseRepo.OwnerID {
+		c.RenderWithErr(c.Tr("repo.settings.cannot_fork_to_same_owner"), FORK, &f)
+		return
+	}
+
+	repo, err = db.ForkRepository(c.User, ctxUser, baseRepo, f.RepoName, f.Description)
+	if err != nil {
+		c.Data["Err_RepoName"] = true
+		switch {
+		case errors.IsReachLimitOfRepo(err):
+			c.RenderWithErr(c.Tr("repo.form.reach_limit_of_creation", c.User.RepoCreationNum()), FORK, &f)
+		case db.IsErrRepoAlreadyExist(err):
+			c.RenderWithErr(c.Tr("repo.settings.new_owner_has_same_repo"), FORK, &f)
+		case db.IsErrNameReserved(err):
+			c.RenderWithErr(c.Tr("repo.form.name_reserved", err.(db.ErrNameReserved).Name), FORK, &f)
+		case db.IsErrNamePatternNotAllowed(err):
+			c.RenderWithErr(c.Tr("repo.form.name_pattern_not_allowed", err.(db.ErrNamePatternNotAllowed).Pattern), FORK, &f)
+		default:
+			c.ServerError("ForkPost", err)
+		}
+		return
+	}
+
+	log.Trace("Repository forked from '%s' -> '%s'", baseRepo.FullName(), repo.FullName())
+	c.Redirect(repo.Link())
+}
+
+func checkPullInfo(c *context.Context) *db.Issue {
+	issue, err := db.GetIssueByIndex(c.Repo.Repository.ID, c.ParamsInt64(":index"))
+	if err != nil {
+		c.NotFoundOrServerError("GetIssueByIndex", errors.IsIssueNotExist, err)
+		return nil
+	}
+	c.Data["Title"] = issue.Title
+	c.Data["Issue"] = issue
+
+	if !issue.IsPull {
+		c.Handle(404, "ViewPullCommits", nil)
+		return nil
+	}
+
+	if c.IsLogged {
+		// Update issue-user.
+		if err = issue.ReadBy(c.User.ID); err != nil {
+			c.ServerError("ReadBy", err)
+			return nil
+		}
+	}
+
+	return issue
+}
+
+func PrepareMergedViewPullInfo(c *context.Context, issue *db.Issue) {
+	pull := issue.PullRequest
+	c.Data["HasMerged"] = true
+	c.Data["HeadTarget"] = issue.PullRequest.HeadUserName + "/" + pull.HeadBranch
+	c.Data["BaseTarget"] = c.Repo.Owner.Name + "/" + pull.BaseBranch
+
+	var err error
+	c.Data["NumCommits"], err = c.Repo.GitRepo.CommitsCountBetween(pull.MergeBase, pull.MergedCommitID)
+	if err != nil {
+		c.ServerError("Repo.GitRepo.CommitsCountBetween", err)
+		return
+	}
+	c.Data["NumFiles"], err = c.Repo.GitRepo.FilesCountBetween(pull.MergeBase, pull.MergedCommitID)
+	if err != nil {
+		c.ServerError("Repo.GitRepo.FilesCountBetween", err)
+		return
+	}
+}
+
+func PrepareViewPullInfo(c *context.Context, issue *db.Issue) *git.PullRequestInfo {
+	repo := c.Repo.Repository
+	pull := issue.PullRequest
+
+	c.Data["HeadTarget"] = pull.HeadUserName + "/" + pull.HeadBranch
+	c.Data["BaseTarget"] = c.Repo.Owner.Name + "/" + pull.BaseBranch
+
+	var (
+		headGitRepo *git.Repository
+		err         error
+	)
+
+	if pull.HeadRepo != nil {
+		headGitRepo, err = git.OpenRepository(pull.HeadRepo.RepoPath())
+		if err != nil {
+			c.ServerError("OpenRepository", err)
+			return nil
+		}
+	}
+
+	if pull.HeadRepo == nil || !headGitRepo.IsBranchExist(pull.HeadBranch) {
+		c.Data["IsPullReuqestBroken"] = true
+		c.Data["HeadTarget"] = "deleted"
+		c.Data["NumCommits"] = 0
+		c.Data["NumFiles"] = 0
+		return nil
+	}
+
+	prInfo, err := headGitRepo.GetPullRequestInfo(db.RepoPath(repo.Owner.Name, repo.Name),
+		pull.BaseBranch, pull.HeadBranch)
+	if err != nil {
+		if strings.Contains(err.Error(), "fatal: Not a valid object name") {
+			c.Data["IsPullReuqestBroken"] = true
+			c.Data["BaseTarget"] = "deleted"
+			c.Data["NumCommits"] = 0
+			c.Data["NumFiles"] = 0
+			return nil
+		}
+
+		c.ServerError("GetPullRequestInfo", err)
+		return nil
+	}
+	c.Data["NumCommits"] = prInfo.Commits.Len()
+	c.Data["NumFiles"] = prInfo.NumFiles
+	return prInfo
+}
+
+func ViewPullCommits(c *context.Context) {
+	c.Data["PageIsPullList"] = true
+	c.Data["PageIsPullCommits"] = true
+
+	issue := checkPullInfo(c)
+	if c.Written() {
+		return
+	}
+	pull := issue.PullRequest
+
+	if pull.HeadRepo != nil {
+		c.Data["Username"] = pull.HeadUserName
+		c.Data["Reponame"] = pull.HeadRepo.Name
+	}
+
+	var commits *list.List
+	if pull.HasMerged {
+		PrepareMergedViewPullInfo(c, issue)
+		if c.Written() {
+			return
+		}
+		startCommit, err := c.Repo.GitRepo.GetCommit(pull.MergeBase)
+		if err != nil {
+			c.ServerError("Repo.GitRepo.GetCommit", err)
+			return
+		}
+		endCommit, err := c.Repo.GitRepo.GetCommit(pull.MergedCommitID)
+		if err != nil {
+			c.ServerError("Repo.GitRepo.GetCommit", err)
+			return
+		}
+		commits, err = c.Repo.GitRepo.CommitsBetween(endCommit, startCommit)
+		if err != nil {
+			c.ServerError("Repo.GitRepo.CommitsBetween", err)
+			return
+		}
+
+	} else {
+		prInfo := PrepareViewPullInfo(c, issue)
+		if c.Written() {
+			return
+		} else if prInfo == nil {
+			c.NotFound()
+			return
+		}
+		commits = prInfo.Commits
+	}
+
+	commits = db.ValidateCommitsWithEmails(commits)
+	c.Data["Commits"] = commits
+	c.Data["CommitsCount"] = commits.Len()
+
+	c.Success(PULL_COMMITS)
+}
+
+func ViewPullFiles(c *context.Context) {
+	c.Data["PageIsPullList"] = true
+	c.Data["PageIsPullFiles"] = true
+
+	issue := checkPullInfo(c)
+	if c.Written() {
+		return
+	}
+	pull := issue.PullRequest
+
+	var (
+		diffRepoPath  string
+		startCommitID string
+		endCommitID   string
+		gitRepo       *git.Repository
+	)
+
+	if pull.HasMerged {
+		PrepareMergedViewPullInfo(c, issue)
+		if c.Written() {
+			return
+		}
+
+		diffRepoPath = c.Repo.GitRepo.Path
+		startCommitID = pull.MergeBase
+		endCommitID = pull.MergedCommitID
+		gitRepo = c.Repo.GitRepo
+	} else {
+		prInfo := PrepareViewPullInfo(c, issue)
+		if c.Written() {
+			return
+		} else if prInfo == nil {
+			c.Handle(404, "ViewPullFiles", nil)
+			return
+		}
+
+		headRepoPath := db.RepoPath(pull.HeadUserName, pull.HeadRepo.Name)
+
+		headGitRepo, err := git.OpenRepository(headRepoPath)
+		if err != nil {
+			c.ServerError("OpenRepository", err)
+			return
+		}
+
+		headCommitID, err := headGitRepo.GetBranchCommitID(pull.HeadBranch)
+		if err != nil {
+			c.ServerError("GetBranchCommitID", err)
+			return
+		}
+
+		diffRepoPath = headRepoPath
+		startCommitID = prInfo.MergeBase
+		endCommitID = headCommitID
+		gitRepo = headGitRepo
+	}
+
+	diff, err := db.GetDiffRange(diffRepoPath,
+		startCommitID, endCommitID, setting.Git.MaxGitDiffLines,
+		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
+	if err != nil {
+		c.ServerError("GetDiffRange", err)
+		return
+	}
+	c.Data["Diff"] = diff
+	c.Data["DiffNotAvailable"] = diff.NumFiles() == 0
+
+	commit, err := gitRepo.GetCommit(endCommitID)
+	if err != nil {
+		c.ServerError("GetCommit", err)
+		return
+	}
+
+	setEditorconfigIfExists(c)
+	if c.Written() {
+		return
+	}
+
+	c.Data["IsSplitStyle"] = c.Query("style") == "split"
+	c.Data["IsImageFile"] = commit.IsImageFile
+
+	// It is possible head repo has been deleted for merged pull requests
+	if pull.HeadRepo != nil {
+		c.Data["Username"] = pull.HeadUserName
+		c.Data["Reponame"] = pull.HeadRepo.Name
+
+		headTarget := path.Join(pull.HeadUserName, pull.HeadRepo.Name)
+		c.Data["SourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", endCommitID)
+		c.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", startCommitID)
+		c.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", endCommitID)
+	}
+
+	c.Data["RequireHighlightJS"] = true
+	c.Success(PULL_FILES)
+}
+
+func MergePullRequest(c *context.Context) {
+	issue := checkPullInfo(c)
+	if c.Written() {
+		return
+	}
+	if issue.IsClosed {
+		c.NotFound()
+		return
+	}
+
+	pr, err := db.GetPullRequestByIssueID(issue.ID)
+	if err != nil {
+		c.NotFoundOrServerError("GetPullRequestByIssueID", db.IsErrPullRequestNotExist, err)
+		return
+	}
+
+	if !pr.CanAutoMerge() || pr.HasMerged {
+		c.NotFound()
+		return
+	}
+
+	pr.Issue = issue
+	pr.Issue.Repo = c.Repo.Repository
+	if err = pr.Merge(c.User, c.Repo.GitRepo, db.MergeStyle(c.Query("merge_style")), c.Query("commit_description")); err != nil {
+		c.ServerError("Merge", err)
+		return
+	}
+
+	log.Trace("Pull request merged: %d", pr.ID)
+	c.Redirect(c.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
+}
+
+func ParseCompareInfo(c *context.Context) (*db.User, *db.Repository, *git.Repository, *git.PullRequestInfo, string, string) {
+	baseRepo := c.Repo.Repository
+
+	// Get compared branches information
+	// format: <base branch>...[<head repo>:]<head branch>
+	// base<-head: master...head:feature
+	// same repo: master...feature
+	infos := strings.Split(c.Params("*"), "...")
+	if len(infos) != 2 {
+		log.Trace("ParseCompareInfo[%d]: not enough compared branches information %s", baseRepo.ID, infos)
+		c.NotFound()
+		return nil, nil, nil, nil, "", ""
+	}
+
+	baseBranch := infos[0]
+	c.Data["BaseBranch"] = baseBranch
+
+	var (
+		headUser   *db.User
+		headBranch string
+		isSameRepo bool
+		err        error
+	)
+
+	// If there is no head repository, it means pull request between same repository.
+	headInfos := strings.Split(infos[1], ":")
+	if len(headInfos) == 1 {
+		isSameRepo = true
+		headUser = c.Repo.Owner
+		headBranch = headInfos[0]
+
+	} else if len(headInfos) == 2 {
+		headUser, err = db.GetUserByName(headInfos[0])
+		if err != nil {
+			c.NotFoundOrServerError("GetUserByName", errors.IsUserNotExist, err)
+			return nil, nil, nil, nil, "", ""
+		}
+		headBranch = headInfos[1]
+		isSameRepo = headUser.ID == baseRepo.OwnerID
+
+	} else {
+		c.NotFound()
+		return nil, nil, nil, nil, "", ""
+	}
+	c.Data["HeadUser"] = headUser
+	c.Data["HeadBranch"] = headBranch
+	c.Repo.PullRequest.SameRepo = isSameRepo
+
+	// Check if base branch is valid.
+	if !c.Repo.GitRepo.IsBranchExist(baseBranch) {
+		c.NotFound()
+		return nil, nil, nil, nil, "", ""
+	}
+
+	var (
+		headRepo    *db.Repository
+		headGitRepo *git.Repository
+	)
+
+	// In case user included redundant head user name for comparison in same repository,
+	// no need to check the fork relation.
+	if !isSameRepo {
+		var has bool
+		headRepo, has, err = db.HasForkedRepo(headUser.ID, baseRepo.ID)
+		if err != nil {
+			c.ServerError("HasForkedRepo", err)
+			return nil, nil, nil, nil, "", ""
+		} else if !has {
+			log.Trace("ParseCompareInfo [base_repo_id: %d]: does not have fork or in same repository", baseRepo.ID)
+			c.NotFound()
+			return nil, nil, nil, nil, "", ""
+		}
+
+		headGitRepo, err = git.OpenRepository(db.RepoPath(headUser.Name, headRepo.Name))
+		if err != nil {
+			c.ServerError("OpenRepository", err)
+			return nil, nil, nil, nil, "", ""
+		}
+	} else {
+		headRepo = c.Repo.Repository
+		headGitRepo = c.Repo.GitRepo
+	}
+
+	if !c.User.IsWriterOfRepo(headRepo) && !c.User.IsAdmin {
+		log.Trace("ParseCompareInfo [base_repo_id: %d]: does not have write access or site admin", baseRepo.ID)
+		c.NotFound()
+		return nil, nil, nil, nil, "", ""
+	}
+
+	// Check if head branch is valid.
+	if !headGitRepo.IsBranchExist(headBranch) {
+		c.NotFound()
+		return nil, nil, nil, nil, "", ""
+	}
+
+	headBranches, err := headGitRepo.GetBranches()
+	if err != nil {
+		c.ServerError("GetBranches", err)
+		return nil, nil, nil, nil, "", ""
+	}
+	c.Data["HeadBranches"] = headBranches
+
+	prInfo, err := headGitRepo.GetPullRequestInfo(db.RepoPath(baseRepo.Owner.Name, baseRepo.Name), baseBranch, headBranch)
+	if err != nil {
+		if git.IsErrNoMergeBase(err) {
+			c.Data["IsNoMergeBase"] = true
+			c.Success(COMPARE_PULL)
+		} else {
+			c.ServerError("GetPullRequestInfo", err)
+		}
+		return nil, nil, nil, nil, "", ""
+	}
+	c.Data["BeforeCommitID"] = prInfo.MergeBase
+
+	return headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch
+}
+
+func PrepareCompareDiff(
+	c *context.Context,
+	headUser *db.User,
+	headRepo *db.Repository,
+	headGitRepo *git.Repository,
+	prInfo *git.PullRequestInfo,
+	baseBranch, headBranch string) bool {
+
+	var (
+		repo = c.Repo.Repository
+		err  error
+	)
+
+	// Get diff information.
+	c.Data["CommitRepoLink"] = headRepo.Link()
+
+	headCommitID, err := headGitRepo.GetBranchCommitID(headBranch)
+	if err != nil {
+		c.ServerError("GetBranchCommitID", err)
+		return false
+	}
+	c.Data["AfterCommitID"] = headCommitID
+
+	if headCommitID == prInfo.MergeBase {
+		c.Data["IsNothingToCompare"] = true
+		return true
+	}
+
+	diff, err := db.GetDiffRange(db.RepoPath(headUser.Name, headRepo.Name),
+		prInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
+		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
+	if err != nil {
+		c.ServerError("GetDiffRange", err)
+		return false
+	}
+	c.Data["Diff"] = diff
+	c.Data["DiffNotAvailable"] = diff.NumFiles() == 0
+
+	headCommit, err := headGitRepo.GetCommit(headCommitID)
+	if err != nil {
+		c.ServerError("GetCommit", err)
+		return false
+	}
+
+	prInfo.Commits = db.ValidateCommitsWithEmails(prInfo.Commits)
+	c.Data["Commits"] = prInfo.Commits
+	c.Data["CommitCount"] = prInfo.Commits.Len()
+	c.Data["Username"] = headUser.Name
+	c.Data["Reponame"] = headRepo.Name
+	c.Data["IsImageFile"] = headCommit.IsImageFile
+
+	headTarget := path.Join(headUser.Name, repo.Name)
+	c.Data["SourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", headCommitID)
+	c.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", prInfo.MergeBase)
+	c.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", headCommitID)
+	return false
+}
+
+func CompareAndPullRequest(c *context.Context) {
+	c.Data["Title"] = c.Tr("repo.pulls.compare_changes")
+	c.Data["PageIsComparePull"] = true
+	c.Data["IsDiffCompare"] = true
+	c.Data["RequireHighlightJS"] = true
+	setTemplateIfExists(c, PULL_REQUEST_TEMPLATE_KEY, PullRequestTemplateCandidates)
+	renderAttachmentSettings(c)
+
+	headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(c)
+	if c.Written() {
+		return
+	}
+
+	pr, err := db.GetUnmergedPullRequest(headRepo.ID, c.Repo.Repository.ID, headBranch, baseBranch)
+	if err != nil {
+		if !db.IsErrPullRequestNotExist(err) {
+			c.ServerError("GetUnmergedPullRequest", err)
+			return
+		}
+	} else {
+		c.Data["HasPullRequest"] = true
+		c.Data["PullRequest"] = pr
+		c.Success(COMPARE_PULL)
+		return
+	}
+
+	nothingToCompare := PrepareCompareDiff(c, headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch)
+	if c.Written() {
+		return
+	}
+
+	if !nothingToCompare {
+		// Setup information for new form.
+		RetrieveRepoMetas(c, c.Repo.Repository)
+		if c.Written() {
+			return
+		}
+	}
+
+	setEditorconfigIfExists(c)
+	if c.Written() {
+		return
+	}
+
+	c.Data["IsSplitStyle"] = c.Query("style") == "split"
+	c.Success(COMPARE_PULL)
+}
+
+func CompareAndPullRequestPost(c *context.Context, f form.NewIssue) {
+	c.Data["Title"] = c.Tr("repo.pulls.compare_changes")
+	c.Data["PageIsComparePull"] = true
+	c.Data["IsDiffCompare"] = true
+	c.Data["RequireHighlightJS"] = true
+	renderAttachmentSettings(c)
+
+	var (
+		repo        = c.Repo.Repository
+		attachments []string
+	)
+
+	headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(c)
+	if c.Written() {
+		return
+	}
+
+	labelIDs, milestoneID, assigneeID := ValidateRepoMetas(c, f)
+	if c.Written() {
+		return
+	}
+
+	if setting.AttachmentEnabled {
+		attachments = f.Files
+	}
+
+	if c.HasError() {
+		form.Assign(f, c.Data)
+
+		// This stage is already stop creating new pull request, so it does not matter if it has
+		// something to compare or not.
+		PrepareCompareDiff(c, headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch)
+		if c.Written() {
+			return
+		}
+
+		c.Success(COMPARE_PULL)
+		return
+	}
+
+	patch, err := headGitRepo.GetPatch(prInfo.MergeBase, headBranch)
+	if err != nil {
+		c.ServerError("GetPatch", err)
+		return
+	}
+
+	pullIssue := &db.Issue{
+		RepoID:      repo.ID,
+		Index:       repo.NextIssueIndex(),
+		Title:       f.Title,
+		PosterID:    c.User.ID,
+		Poster:      c.User,
+		MilestoneID: milestoneID,
+		AssigneeID:  assigneeID,
+		IsPull:      true,
+		Content:     f.Content,
+	}
+	pullRequest := &db.PullRequest{
+		HeadRepoID:   headRepo.ID,
+		BaseRepoID:   repo.ID,
+		HeadUserName: headUser.Name,
+		HeadBranch:   headBranch,
+		BaseBranch:   baseBranch,
+		HeadRepo:     headRepo,
+		BaseRepo:     repo,
+		MergeBase:    prInfo.MergeBase,
+		Type:         db.PULL_REQUEST_GOGS,
+	}
+	// FIXME: check error in the case two people send pull request at almost same time, give nice error prompt
+	// instead of 500.
+	if err := db.NewPullRequest(repo, pullIssue, labelIDs, attachments, pullRequest, patch); err != nil {
+		c.ServerError("NewPullRequest", err)
+		return
+	} else if err := pullRequest.PushToBaseRepo(); err != nil {
+		c.ServerError("PushToBaseRepo", err)
+		return
+	}
+
+	log.Trace("Pull request created: %d/%d", repo.ID, pullIssue.ID)
+	c.Redirect(c.Repo.RepoLink + "/pulls/" + com.ToStr(pullIssue.Index))
+}
+
+func parseOwnerAndRepo(c *context.Context) (*db.User, *db.Repository) {
+	owner, err := db.GetUserByName(c.Params(":username"))
+	if err != nil {
+		c.NotFoundOrServerError("GetUserByName", errors.IsUserNotExist, err)
+		return nil, nil
+	}
+
+	repo, err := db.GetRepositoryByName(owner.ID, c.Params(":reponame"))
+	if err != nil {
+		c.NotFoundOrServerError("GetRepositoryByName", errors.IsRepoNotExist, err)
+		return nil, nil
+	}
+
+	return owner, repo
+}
+
+func TriggerTask(c *context.Context) {
+	pusherID := c.QueryInt64("pusher")
+	branch := c.Query("branch")
+	secret := c.Query("secret")
+	if len(branch) == 0 || len(secret) == 0 || pusherID <= 0 {
+		c.Error(404)
+		log.Trace("TriggerTask: branch or secret is empty, or pusher ID is not valid")
+		return
+	}
+	owner, repo := parseOwnerAndRepo(c)
+	if c.Written() {
+		return
+	}
+	if secret != tool.MD5(owner.Salt) {
+		c.Error(404)
+		log.Trace("TriggerTask [%s/%s]: invalid secret", owner.Name, repo.Name)
+		return
+	}
+
+	pusher, err := db.GetUserByID(pusherID)
+	if err != nil {
+		c.NotFoundOrServerError("GetUserByID", errors.IsUserNotExist, err)
+		return
+	}
+
+	log.Trace("TriggerTask '%s/%s' by '%s'", repo.Name, branch, pusher.Name)
+
+	go db.HookQueue.Add(repo.ID)
+	go db.AddTestPullRequestTask(pusher, repo.ID, branch, true)
+	c.Status(202)
+}