// 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<-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) }