forgejo/routers/repo/pull.go

1222 lines
33 KiB
Go

// Copyright 2018 The Gitea Authors.
// 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"
"fmt"
"io"
"path"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"github.com/Unknwon/com"
)
const (
tplFork base.TplName = "repo/pulls/fork"
tplComparePull base.TplName = "repo/pulls/compare"
tplPullCommits base.TplName = "repo/pulls/commits"
tplPullFiles base.TplName = "repo/pulls/files"
pullRequestTemplateKey = "PullRequestTemplate"
)
var (
pullRequestTemplateCandidates = []string{
"PULL_REQUEST_TEMPLATE.md",
"pull_request_template.md",
".gitea/PULL_REQUEST_TEMPLATE.md",
".gitea/pull_request_template.md",
".github/PULL_REQUEST_TEMPLATE.md",
".github/pull_request_template.md",
}
)
func getForkRepository(ctx *context.Context) *models.Repository {
forkRepo, err := models.GetRepositoryByID(ctx.ParamsInt64(":repoid"))
if err != nil {
if models.IsErrRepoNotExist(err) {
ctx.NotFound("GetRepositoryByID", nil)
} else {
ctx.ServerError("GetRepositoryByID", err)
}
return nil
}
perm, err := models.GetUserRepoPermission(forkRepo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return nil
}
if forkRepo.IsEmpty || !perm.CanRead(models.UnitTypeCode) {
if log.IsTrace() {
if forkRepo.IsEmpty {
log.Trace("Empty fork repository %-v", forkRepo)
} else {
log.Trace("Permission Denied: User %-v cannot read %-v of forkRepo %-v\n"+
"User in forkRepo has Permissions: %-+v",
ctx.User,
models.UnitTypeCode,
ctx.Repo,
perm)
}
}
ctx.NotFound("getForkRepository", nil)
return nil
}
ctx.Data["repo_name"] = forkRepo.Name
ctx.Data["description"] = forkRepo.Description
ctx.Data["IsPrivate"] = forkRepo.IsPrivate
canForkToUser := forkRepo.OwnerID != ctx.User.ID && !ctx.User.HasForkedRepo(forkRepo.ID)
if err = forkRepo.GetOwner(); err != nil {
ctx.ServerError("GetOwner", err)
return nil
}
ctx.Data["ForkFrom"] = forkRepo.Owner.Name + "/" + forkRepo.Name
ctx.Data["ForkFromOwnerID"] = forkRepo.Owner.ID
if err := ctx.User.GetOwnedOrganizations(); err != nil {
ctx.ServerError("GetOwnedOrganizations", err)
return nil
}
var orgs []*models.User
for _, org := range ctx.User.OwnedOrgs {
if forkRepo.OwnerID != org.ID && !org.HasForkedRepo(forkRepo.ID) {
orgs = append(orgs, org)
}
}
var traverseParentRepo = forkRepo
for {
if ctx.User.ID == traverseParentRepo.OwnerID {
canForkToUser = false
} else {
for i, org := range orgs {
if org.ID == traverseParentRepo.OwnerID {
orgs = append(orgs[:i], orgs[i+1:]...)
break
}
}
}
if !traverseParentRepo.IsFork {
break
}
traverseParentRepo, err = models.GetRepositoryByID(traverseParentRepo.ForkID)
if err != nil {
ctx.ServerError("GetRepositoryByID", err)
return nil
}
}
ctx.Data["CanForkToUser"] = canForkToUser
ctx.Data["Orgs"] = orgs
if canForkToUser {
ctx.Data["ContextUser"] = ctx.User
} else if len(orgs) > 0 {
ctx.Data["ContextUser"] = orgs[0]
}
return forkRepo
}
// Fork render repository fork page
func Fork(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("new_fork")
getForkRepository(ctx)
if ctx.Written() {
return
}
ctx.HTML(200, tplFork)
}
// ForkPost response for forking a repository
func ForkPost(ctx *context.Context, form auth.CreateRepoForm) {
ctx.Data["Title"] = ctx.Tr("new_fork")
ctxUser := checkContextUser(ctx, form.UID)
if ctx.Written() {
return
}
forkRepo := getForkRepository(ctx)
if ctx.Written() {
return
}
ctx.Data["ContextUser"] = ctxUser
if ctx.HasError() {
ctx.HTML(200, tplFork)
return
}
var err error
var traverseParentRepo = forkRepo
for {
if ctxUser.ID == traverseParentRepo.OwnerID {
ctx.RenderWithErr(ctx.Tr("repo.settings.new_owner_has_same_repo"), tplFork, &form)
return
}
repo, has := models.HasForkedRepo(ctxUser.ID, traverseParentRepo.ID)
if has {
ctx.Redirect(setting.AppSubURL + "/" + ctxUser.Name + "/" + repo.Name)
return
}
if !traverseParentRepo.IsFork {
break
}
traverseParentRepo, err = models.GetRepositoryByID(traverseParentRepo.ForkID)
if err != nil {
ctx.ServerError("GetRepositoryByID", err)
return
}
}
// Check ownership of organization.
if ctxUser.IsOrganization() {
isOwner, err := ctxUser.IsOwnedBy(ctx.User.ID)
if err != nil {
ctx.ServerError("IsOwnedBy", err)
return
} else if !isOwner {
ctx.Error(403)
return
}
}
repo, err := models.ForkRepository(ctx.User, ctxUser, forkRepo, form.RepoName, form.Description)
if err != nil {
ctx.Data["Err_RepoName"] = true
switch {
case models.IsErrRepoAlreadyExist(err):
ctx.RenderWithErr(ctx.Tr("repo.settings.new_owner_has_same_repo"), tplFork, &form)
case models.IsErrNameReserved(err):
ctx.RenderWithErr(ctx.Tr("repo.form.name_reserved", err.(models.ErrNameReserved).Name), tplFork, &form)
case models.IsErrNamePatternNotAllowed(err):
ctx.RenderWithErr(ctx.Tr("repo.form.name_pattern_not_allowed", err.(models.ErrNamePatternNotAllowed).Pattern), tplFork, &form)
default:
ctx.ServerError("ForkPost", err)
}
return
}
log.Trace("Repository forked[%d]: %s/%s", forkRepo.ID, ctxUser.Name, repo.Name)
ctx.Redirect(setting.AppSubURL + "/" + ctxUser.Name + "/" + repo.Name)
}
func checkPullInfo(ctx *context.Context) *models.Issue {
issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrIssueNotExist(err) {
ctx.NotFound("GetIssueByIndex", err)
} else {
ctx.ServerError("GetIssueByIndex", err)
}
return nil
}
if err = issue.LoadPoster(); err != nil {
ctx.ServerError("LoadPoster", err)
return nil
}
ctx.Data["Title"] = fmt.Sprintf("#%d - %s", issue.Index, issue.Title)
ctx.Data["Issue"] = issue
if !issue.IsPull {
ctx.NotFound("ViewPullCommits", nil)
return nil
}
if err = issue.LoadPullRequest(); err != nil {
ctx.ServerError("LoadPullRequest", err)
return nil
}
if err = issue.PullRequest.GetHeadRepo(); err != nil {
ctx.ServerError("GetHeadRepo", err)
return nil
}
if ctx.IsSigned {
// Update issue-user.
if err = issue.ReadBy(ctx.User.ID); err != nil {
ctx.ServerError("ReadBy", err)
return nil
}
}
return issue
}
func setMergeTarget(ctx *context.Context, pull *models.PullRequest) {
if ctx.Repo.Owner.Name == pull.HeadUserName {
ctx.Data["HeadTarget"] = pull.HeadBranch
} else if pull.HeadRepo == nil {
ctx.Data["HeadTarget"] = pull.HeadUserName + ":" + pull.HeadBranch
} else {
ctx.Data["HeadTarget"] = pull.HeadUserName + "/" + pull.HeadRepo.Name + ":" + pull.HeadBranch
}
ctx.Data["BaseTarget"] = pull.BaseBranch
}
// PrepareMergedViewPullInfo show meta information for a merged pull request view page
func PrepareMergedViewPullInfo(ctx *context.Context, issue *models.Issue) *git.PullRequestInfo {
pull := issue.PullRequest
setMergeTarget(ctx, pull)
ctx.Data["HasMerged"] = true
prInfo, err := ctx.Repo.GitRepo.GetPullRequestInfo(ctx.Repo.Repository.RepoPath(),
pull.MergeBase, pull.GetGitRefName())
if err != nil {
if strings.Contains(err.Error(), "fatal: Not a valid object name") {
ctx.Data["IsPullRequestBroken"] = true
ctx.Data["BaseTarget"] = "deleted"
ctx.Data["NumCommits"] = 0
ctx.Data["NumFiles"] = 0
return nil
}
ctx.ServerError("GetPullRequestInfo", err)
return nil
}
ctx.Data["NumCommits"] = prInfo.Commits.Len()
ctx.Data["NumFiles"] = prInfo.NumFiles
return prInfo
}
// PrepareViewPullInfo show meta information for a pull request preview page
func PrepareViewPullInfo(ctx *context.Context, issue *models.Issue) *git.PullRequestInfo {
repo := ctx.Repo.Repository
pull := issue.PullRequest
var err error
if err = pull.GetHeadRepo(); err != nil {
ctx.ServerError("GetHeadRepo", err)
return nil
}
setMergeTarget(ctx, pull)
var headGitRepo *git.Repository
if pull.HeadRepo != nil {
headGitRepo, err = git.OpenRepository(pull.HeadRepo.RepoPath())
if err != nil {
ctx.ServerError("OpenRepository", err)
return nil
}
}
if pull.HeadRepo == nil || !headGitRepo.IsBranchExist(pull.HeadBranch) {
ctx.Data["IsPullRequestBroken"] = true
ctx.Data["HeadTarget"] = "deleted"
ctx.Data["NumCommits"] = 0
ctx.Data["NumFiles"] = 0
return nil
}
prInfo, err := headGitRepo.GetPullRequestInfo(models.RepoPath(repo.Owner.Name, repo.Name),
pull.BaseBranch, pull.HeadBranch)
if err != nil {
if strings.Contains(err.Error(), "fatal: Not a valid object name") {
ctx.Data["IsPullRequestBroken"] = true
ctx.Data["BaseTarget"] = "deleted"
ctx.Data["NumCommits"] = 0
ctx.Data["NumFiles"] = 0
return nil
}
ctx.ServerError("GetPullRequestInfo", err)
return nil
}
if pull.IsWorkInProgress() {
ctx.Data["IsPullWorkInProgress"] = true
ctx.Data["WorkInProgressPrefix"] = pull.GetWorkInProgressPrefix()
}
if pull.IsFilesConflicted() {
ctx.Data["IsPullFilesConflicted"] = true
ctx.Data["ConflictedFiles"] = pull.ConflictedFiles
}
ctx.Data["NumCommits"] = prInfo.Commits.Len()
ctx.Data["NumFiles"] = prInfo.NumFiles
return prInfo
}
// ViewPullCommits show commits for a pull request
func ViewPullCommits(ctx *context.Context) {
ctx.Data["PageIsPullList"] = true
ctx.Data["PageIsPullCommits"] = true
issue := checkPullInfo(ctx)
if ctx.Written() {
return
}
pull := issue.PullRequest
var commits *list.List
if pull.HasMerged {
prInfo := PrepareMergedViewPullInfo(ctx, issue)
if ctx.Written() {
return
} else if prInfo == nil {
ctx.NotFound("ViewPullCommits", nil)
return
}
ctx.Data["Username"] = ctx.Repo.Owner.Name
ctx.Data["Reponame"] = ctx.Repo.Repository.Name
commits = prInfo.Commits
} else {
prInfo := PrepareViewPullInfo(ctx, issue)
if ctx.Written() {
return
} else if prInfo == nil {
ctx.NotFound("ViewPullCommits", nil)
return
}
ctx.Data["Username"] = pull.HeadUserName
ctx.Data["Reponame"] = pull.HeadRepo.Name
commits = prInfo.Commits
}
commits = models.ValidateCommitsWithEmails(commits)
commits = models.ParseCommitsWithSignature(commits)
commits = models.ParseCommitsWithStatus(commits, ctx.Repo.Repository)
ctx.Data["Commits"] = commits
ctx.Data["CommitCount"] = commits.Len()
ctx.HTML(200, tplPullCommits)
}
// ViewPullFiles render pull request changed files list page
func ViewPullFiles(ctx *context.Context) {
ctx.Data["PageIsPullList"] = true
ctx.Data["PageIsPullFiles"] = true
issue := checkPullInfo(ctx)
if ctx.Written() {
return
}
pull := issue.PullRequest
whitespaceFlags := map[string]string{
"ignore-all": "-w",
"ignore-change": "-b",
"ignore-eol": "--ignore-space-at-eol",
"": ""}
var (
diffRepoPath string
startCommitID string
endCommitID string
gitRepo *git.Repository
)
var headTarget string
if pull.HasMerged {
prInfo := PrepareMergedViewPullInfo(ctx, issue)
if ctx.Written() {
return
} else if prInfo == nil {
ctx.NotFound("ViewPullFiles", nil)
return
}
diffRepoPath = ctx.Repo.GitRepo.Path
gitRepo = ctx.Repo.GitRepo
headCommitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
if err != nil {
ctx.ServerError("GetRefCommitID", err)
return
}
startCommitID = prInfo.MergeBase
endCommitID = headCommitID
headTarget = path.Join(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
ctx.Data["Username"] = ctx.Repo.Owner.Name
ctx.Data["Reponame"] = ctx.Repo.Repository.Name
} else {
prInfo := PrepareViewPullInfo(ctx, issue)
if ctx.Written() {
return
} else if prInfo == nil {
ctx.NotFound("ViewPullFiles", nil)
return
}
headRepoPath := models.RepoPath(pull.HeadUserName, pull.HeadRepo.Name)
headGitRepo, err := git.OpenRepository(headRepoPath)
if err != nil {
ctx.ServerError("OpenRepository", err)
return
}
headCommitID, err := headGitRepo.GetBranchCommitID(pull.HeadBranch)
if err != nil {
ctx.ServerError("GetBranchCommitID", err)
return
}
diffRepoPath = headRepoPath
startCommitID = prInfo.MergeBase
endCommitID = headCommitID
gitRepo = headGitRepo
headTarget = path.Join(pull.HeadUserName, pull.HeadRepo.Name)
ctx.Data["Username"] = pull.HeadUserName
ctx.Data["Reponame"] = pull.HeadRepo.Name
}
diff, err := models.GetDiffRangeWithWhitespaceBehavior(diffRepoPath,
startCommitID, endCommitID, setting.Git.MaxGitDiffLines,
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
whitespaceFlags[ctx.Data["WhitespaceBehavior"].(string)])
if err != nil {
ctx.ServerError("GetDiffRangeWithWhitespaceBehavior", err)
return
}
if err = diff.LoadComments(issue, ctx.User); err != nil {
ctx.ServerError("LoadComments", err)
return
}
ctx.Data["Diff"] = diff
ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
commit, err := gitRepo.GetCommit(endCommitID)
if err != nil {
ctx.ServerError("GetCommit", err)
return
}
ctx.Data["IsImageFile"] = commit.IsImageFile
ctx.Data["SourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", endCommitID)
ctx.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", startCommitID)
ctx.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", "commit", endCommitID)
ctx.Data["RequireHighlightJS"] = true
ctx.Data["RequireTribute"] = true
if ctx.Data["Assignees"], err = ctx.Repo.Repository.GetAssignees(); err != nil {
ctx.ServerError("GetAssignees", err)
return
}
ctx.Data["CurrentReview"], err = models.GetCurrentReview(ctx.User, issue)
if err != nil && !models.IsErrReviewNotExist(err) {
ctx.ServerError("GetCurrentReview", err)
return
}
ctx.HTML(200, tplPullFiles)
}
// MergePullRequest response for merging pull request
func MergePullRequest(ctx *context.Context, form auth.MergePullRequestForm) {
issue := checkPullInfo(ctx)
if ctx.Written() {
return
}
if issue.IsClosed {
ctx.NotFound("MergePullRequest", nil)
return
}
pr := issue.PullRequest
if !pr.CanAutoMerge() || pr.HasMerged {
ctx.NotFound("MergePullRequest", nil)
return
}
if pr.IsWorkInProgress() {
ctx.Flash.Error(ctx.Tr("repo.pulls.no_merge_wip"))
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
return
}
if ctx.HasError() {
ctx.Flash.Error(ctx.Data["ErrorMsg"].(string))
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
return
}
message := strings.TrimSpace(form.MergeTitleField)
if len(message) == 0 {
if models.MergeStyle(form.Do) == models.MergeStyleMerge {
message = pr.GetDefaultMergeMessage()
}
if models.MergeStyle(form.Do) == models.MergeStyleRebaseMerge {
message = pr.GetDefaultMergeMessage()
}
if models.MergeStyle(form.Do) == models.MergeStyleSquash {
message = pr.GetDefaultSquashMessage()
}
}
form.MergeMessageField = strings.TrimSpace(form.MergeMessageField)
if len(form.MergeMessageField) > 0 {
message += "\n\n" + form.MergeMessageField
}
pr.Issue = issue
pr.Issue.Repo = ctx.Repo.Repository
noDeps, err := models.IssueNoDependenciesLeft(issue)
if err != nil {
return
}
if !noDeps {
ctx.Flash.Error(ctx.Tr("repo.issues.dependency.pr_close_blocked"))
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
return
}
if err = pr.Merge(ctx.User, ctx.Repo.GitRepo, models.MergeStyle(form.Do), message); err != nil {
if models.IsErrInvalidMergeStyle(err) {
ctx.Flash.Error(ctx.Tr("repo.pulls.invalid_merge_option"))
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
return
}
ctx.ServerError("Merge", err)
return
}
if err := stopTimerIfAvailable(ctx.User, issue); err != nil {
ctx.ServerError("CreateOrStopIssueStopwatch", err)
return
}
notification.NotifyMergePullRequest(pr, ctx.User, ctx.Repo.GitRepo)
log.Trace("Pull request merged: %d", pr.ID)
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
}
func stopTimerIfAvailable(user *models.User, issue *models.Issue) error {
if models.StopwatchExists(user.ID, issue.ID) {
if err := models.CreateOrStopIssueStopwatch(user, issue); err != nil {
return err
}
}
return nil
}
// ParseCompareInfo parse compare info between two commit for preparing pull request
func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *git.Repository, *git.PullRequestInfo, string, string) {
baseRepo := ctx.Repo.Repository
// Get compared branches information
// format: <base branch>...[<head repo>:]<head branch>
// base<-head: master...head:feature
// same repo: master...feature
var (
headUser *models.User
headBranch string
isSameRepo bool
infoPath string
err error
)
infoPath = ctx.Params("*")
infos := strings.Split(infoPath, "...")
if len(infos) != 2 {
log.Trace("ParseCompareInfo[%d]: not enough compared branches information %s", baseRepo.ID, infos)
ctx.NotFound("CompareAndPullRequest", nil)
return nil, nil, nil, nil, "", ""
}
baseBranch := infos[0]
ctx.Data["BaseBranch"] = baseBranch
// 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 = ctx.Repo.Owner
headBranch = headInfos[0]
} else if len(headInfos) == 2 {
headUser, err = models.GetUserByName(headInfos[0])
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.NotFound("GetUserByName", nil)
} else {
ctx.ServerError("GetUserByName", err)
}
return nil, nil, nil, nil, "", ""
}
headBranch = headInfos[1]
isSameRepo = headUser.ID == ctx.Repo.Owner.ID
} else {
ctx.NotFound("CompareAndPullRequest", nil)
return nil, nil, nil, nil, "", ""
}
ctx.Data["HeadUser"] = headUser
ctx.Data["HeadBranch"] = headBranch
ctx.Repo.PullRequest.SameRepo = isSameRepo
// Check if base branch is valid.
if !ctx.Repo.GitRepo.IsBranchExist(baseBranch) {
ctx.NotFound("IsBranchExist", nil)
return nil, nil, nil, nil, "", ""
}
// Check if current user has fork of repository or in the same repository.
headRepo, has := models.HasForkedRepo(headUser.ID, baseRepo.ID)
if !has && !isSameRepo {
log.Trace("ParseCompareInfo[%d]: does not have fork or in same repository", baseRepo.ID)
ctx.NotFound("ParseCompareInfo", nil)
return nil, nil, nil, nil, "", ""
}
var headGitRepo *git.Repository
if isSameRepo {
headRepo = ctx.Repo.Repository
headGitRepo = ctx.Repo.GitRepo
ctx.Data["BaseName"] = headUser.Name
} else {
headGitRepo, err = git.OpenRepository(models.RepoPath(headUser.Name, headRepo.Name))
ctx.Data["BaseName"] = baseRepo.OwnerName
if err != nil {
ctx.ServerError("OpenRepository", err)
return nil, nil, nil, nil, "", ""
}
}
// user should have permission to read baseRepo's codes and pulls, NOT headRepo's
permBase, err := models.GetUserRepoPermission(baseRepo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return nil, nil, nil, nil, "", ""
}
if !permBase.CanReadIssuesOrPulls(true) || !permBase.CanRead(models.UnitTypeCode) {
if log.IsTrace() {
log.Trace("Permission Denied: User: %-v cannot create/read pull requests or cannot read code in Repo: %-v\nUser in baseRepo has Permissions: %-+v",
ctx.User,
baseRepo,
permBase)
}
ctx.NotFound("ParseCompareInfo", nil)
return nil, nil, nil, nil, "", ""
}
// user should have permission to read headrepo's codes
permHead, err := models.GetUserRepoPermission(headRepo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return nil, nil, nil, nil, "", ""
}
if !permHead.CanRead(models.UnitTypeCode) {
if log.IsTrace() {
log.Trace("Permission Denied: User: %-v cannot read code requests in Repo: %-v\nUser in headRepo has Permissions: %-+v",
ctx.User,
headRepo,
permHead)
}
ctx.NotFound("ParseCompareInfo", nil)
return nil, nil, nil, nil, "", ""
}
// Check if head branch is valid.
if !headGitRepo.IsBranchExist(headBranch) {
ctx.NotFound("IsBranchExist", nil)
return nil, nil, nil, nil, "", ""
}
headBranches, err := headGitRepo.GetBranches()
if err != nil {
ctx.ServerError("GetBranches", err)
return nil, nil, nil, nil, "", ""
}
ctx.Data["HeadBranches"] = headBranches
prInfo, err := headGitRepo.GetPullRequestInfo(models.RepoPath(baseRepo.Owner.Name, baseRepo.Name), baseBranch, headBranch)
if err != nil {
ctx.ServerError("GetPullRequestInfo", err)
return nil, nil, nil, nil, "", ""
}
ctx.Data["BeforeCommitID"] = prInfo.MergeBase
return headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch
}
// PrepareCompareDiff render pull request preview diff page
func PrepareCompareDiff(
ctx *context.Context,
headUser *models.User,
headRepo *models.Repository,
headGitRepo *git.Repository,
prInfo *git.PullRequestInfo,
baseBranch, headBranch string) bool {
var (
repo = ctx.Repo.Repository
err error
title string
)
// Get diff information.
ctx.Data["CommitRepoLink"] = headRepo.Link()
headCommitID, err := headGitRepo.GetBranchCommitID(headBranch)
if err != nil {
ctx.ServerError("GetBranchCommitID", err)
return false
}
ctx.Data["AfterCommitID"] = headCommitID
if headCommitID == prInfo.MergeBase {
ctx.Data["IsNothingToCompare"] = true
return true
}
diff, err := models.GetDiffRange(models.RepoPath(headUser.Name, headRepo.Name),
prInfo.MergeBase, headCommitID, setting.Git.MaxGitDiffLines,
setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles)
if err != nil {
ctx.ServerError("GetDiffRange", err)
return false
}
ctx.Data["Diff"] = diff
ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
headCommit, err := headGitRepo.GetCommit(headCommitID)
if err != nil {
ctx.ServerError("GetCommit", err)
return false
}
prInfo.Commits = models.ValidateCommitsWithEmails(prInfo.Commits)
prInfo.Commits = models.ParseCommitsWithSignature(prInfo.Commits)
prInfo.Commits = models.ParseCommitsWithStatus(prInfo.Commits, headRepo)
ctx.Data["Commits"] = prInfo.Commits
ctx.Data["CommitCount"] = prInfo.Commits.Len()
if prInfo.Commits.Len() == 1 {
c := prInfo.Commits.Front().Value.(models.SignCommitWithStatuses)
title = strings.TrimSpace(c.UserCommit.Summary())
body := strings.Split(strings.TrimSpace(c.UserCommit.Message()), "\n")
if len(body) > 1 {
ctx.Data["content"] = strings.Join(body[1:], "\n")
}
} else {
title = headBranch
}
ctx.Data["title"] = title
ctx.Data["Username"] = headUser.Name
ctx.Data["Reponame"] = headRepo.Name
ctx.Data["IsImageFile"] = headCommit.IsImageFile
headTarget := path.Join(headUser.Name, repo.Name)
ctx.Data["SourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", headCommitID)
ctx.Data["BeforeSourcePath"] = setting.AppSubURL + "/" + path.Join(headTarget, "src", "commit", prInfo.MergeBase)
ctx.Data["RawPath"] = setting.AppSubURL + "/" + path.Join(headTarget, "raw", "commit", headCommitID)
return false
}
// CompareAndPullRequest render pull request preview page
func CompareAndPullRequest(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
ctx.Data["PageIsComparePull"] = true
ctx.Data["IsDiffCompare"] = true
ctx.Data["RequireHighlightJS"] = true
ctx.Data["RequireTribute"] = true
ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
setTemplateIfExists(ctx, pullRequestTemplateKey, pullRequestTemplateCandidates)
renderAttachmentSettings(ctx)
headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(ctx)
if ctx.Written() {
return
}
pr, err := models.GetUnmergedPullRequest(headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch)
if err != nil {
if !models.IsErrPullRequestNotExist(err) {
ctx.ServerError("GetUnmergedPullRequest", err)
return
}
} else {
ctx.Data["HasPullRequest"] = true
ctx.Data["PullRequest"] = pr
ctx.HTML(200, tplComparePull)
return
}
nothingToCompare := PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch)
if ctx.Written() {
return
}
if !nothingToCompare {
// Setup information for new form.
RetrieveRepoMetas(ctx, ctx.Repo.Repository)
if ctx.Written() {
return
}
}
ctx.HTML(200, tplComparePull)
}
// CompareAndPullRequestPost response for creating pull request
func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm) {
ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
ctx.Data["PageIsComparePull"] = true
ctx.Data["IsDiffCompare"] = true
ctx.Data["RequireHighlightJS"] = true
ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
renderAttachmentSettings(ctx)
var (
repo = ctx.Repo.Repository
attachments []string
)
headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(ctx)
if ctx.Written() {
return
}
labelIDs, assigneeIDs, milestoneID := ValidateRepoMetas(ctx, form, true)
if ctx.Written() {
return
}
if setting.AttachmentEnabled {
attachments = form.Files
}
if ctx.HasError() {
auth.AssignForm(form, ctx.Data)
// This stage is already stop creating new pull request, so it does not matter if it has
// something to compare or not.
PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch)
if ctx.Written() {
return
}
ctx.HTML(200, tplComparePull)
return
}
if util.IsEmptyString(form.Title) {
PrepareCompareDiff(ctx, headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch)
if ctx.Written() {
return
}
ctx.RenderWithErr(ctx.Tr("repo.issues.new.title_empty"), tplComparePull, form)
return
}
patch, err := headGitRepo.GetPatch(prInfo.MergeBase, headBranch)
if err != nil {
ctx.ServerError("GetPatch", err)
return
}
pullIssue := &models.Issue{
RepoID: repo.ID,
Index: repo.NextIssueIndex(),
Title: form.Title,
PosterID: ctx.User.ID,
Poster: ctx.User,
MilestoneID: milestoneID,
IsPull: true,
Content: form.Content,
}
pullRequest := &models.PullRequest{
HeadRepoID: headRepo.ID,
BaseRepoID: repo.ID,
HeadUserName: headUser.Name,
HeadBranch: headBranch,
BaseBranch: baseBranch,
HeadRepo: headRepo,
BaseRepo: repo,
MergeBase: prInfo.MergeBase,
Type: models.PullRequestGitea,
}
// FIXME: check error in the case two people send pull request at almost same time, give nice error prompt
// instead of 500.
if err := models.NewPullRequest(repo, pullIssue, labelIDs, attachments, pullRequest, patch, assigneeIDs); err != nil {
if models.IsErrUserDoesNotHaveAccessToRepo(err) {
ctx.Error(400, "UserDoesNotHaveAccessToRepo", err.Error())
return
}
ctx.ServerError("NewPullRequest", err)
return
} else if err := pullRequest.PushToBaseRepo(); err != nil {
ctx.ServerError("PushToBaseRepo", err)
return
}
notification.NotifyNewPullRequest(pullRequest)
log.Trace("Pull request created: %d/%d", repo.ID, pullIssue.ID)
ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pullIssue.Index))
}
// TriggerTask response for a trigger task request
func TriggerTask(ctx *context.Context) {
pusherID := ctx.QueryInt64("pusher")
branch := ctx.Query("branch")
secret := ctx.Query("secret")
if len(branch) == 0 || len(secret) == 0 || pusherID <= 0 {
ctx.Error(404)
log.Trace("TriggerTask: branch or secret is empty, or pusher ID is not valid")
return
}
owner, repo := parseOwnerAndRepo(ctx)
if ctx.Written() {
return
}
if secret != base.EncodeMD5(owner.Salt) {
ctx.Error(404)
log.Trace("TriggerTask [%s/%s]: invalid secret", owner.Name, repo.Name)
return
}
pusher, err := models.GetUserByID(pusherID)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Error(404)
} else {
ctx.ServerError("GetUserByID", err)
}
return
}
log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
go models.HookQueue.Add(repo.ID)
go models.AddTestPullRequestTask(pusher, repo.ID, branch, true)
ctx.Status(202)
}
// CleanUpPullRequest responses for delete merged branch when PR has been merged
func CleanUpPullRequest(ctx *context.Context) {
issue := checkPullInfo(ctx)
if ctx.Written() {
return
}
pr := issue.PullRequest
// Don't cleanup unmerged and unclosed PRs
if !pr.HasMerged && !issue.IsClosed {
ctx.NotFound("CleanUpPullRequest", nil)
return
}
if err := pr.GetHeadRepo(); err != nil {
ctx.ServerError("GetHeadRepo", err)
return
} else if pr.HeadRepo == nil {
// Forked repository has already been deleted
ctx.NotFound("CleanUpPullRequest", nil)
return
} else if pr.GetBaseRepo(); err != nil {
ctx.ServerError("GetBaseRepo", err)
return
} else if pr.HeadRepo.GetOwner(); err != nil {
ctx.ServerError("HeadRepo.GetOwner", err)
return
}
perm, err := models.GetUserRepoPermission(pr.HeadRepo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return
}
if !perm.CanWrite(models.UnitTypeCode) {
ctx.NotFound("CleanUpPullRequest", nil)
return
}
fullBranchName := pr.HeadRepo.Owner.Name + "/" + pr.HeadBranch
gitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
if err != nil {
ctx.ServerError(fmt.Sprintf("OpenRepository[%s]", pr.HeadRepo.RepoPath()), err)
return
}
gitBaseRepo, err := git.OpenRepository(pr.BaseRepo.RepoPath())
if err != nil {
ctx.ServerError(fmt.Sprintf("OpenRepository[%s]", pr.BaseRepo.RepoPath()), err)
return
}
defer func() {
ctx.JSON(200, map[string]interface{}{
"redirect": pr.BaseRepo.Link() + "/pulls/" + com.ToStr(issue.Index),
})
}()
if pr.HeadBranch == pr.HeadRepo.DefaultBranch || !gitRepo.IsBranchExist(pr.HeadBranch) {
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
return
}
// Check if branch is not protected
if protected, err := pr.HeadRepo.IsProtectedBranch(pr.HeadBranch, ctx.User); err != nil || protected {
if err != nil {
log.Error("HeadRepo.IsProtectedBranch: %v", err)
}
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
return
}
// Check if branch has no new commits
headCommitID, err := gitBaseRepo.GetRefCommitID(pr.GetGitRefName())
if err != nil {
log.Error("GetRefCommitID: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
return
}
branchCommitID, err := gitRepo.GetBranchCommitID(pr.HeadBranch)
if err != nil {
log.Error("GetBranchCommitID: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
return
}
if headCommitID != branchCommitID {
ctx.Flash.Error(ctx.Tr("repo.branch.delete_branch_has_new_commits", fullBranchName))
return
}
if err := gitRepo.DeleteBranch(pr.HeadBranch, git.DeleteBranchOptions{
Force: true,
}); err != nil {
log.Error("DeleteBranch: %v", err)
ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
return
}
if err := models.AddDeletePRBranchComment(ctx.User, pr.BaseRepo, issue.ID, pr.HeadBranch); err != nil {
// Do not fail here as branch has already been deleted
log.Error("DeleteBranch: %v", err)
}
ctx.Flash.Success(ctx.Tr("repo.branch.deletion_success", fullBranchName))
}
// DownloadPullDiff render a pull's raw diff
func DownloadPullDiff(ctx *context.Context) {
issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrIssueNotExist(err) {
ctx.NotFound("GetIssueByIndex", err)
} else {
ctx.ServerError("GetIssueByIndex", err)
}
return
}
// Return not found if it's not a pull request
if !issue.IsPull {
ctx.NotFound("DownloadPullDiff",
fmt.Errorf("Issue is not a pull request"))
return
}
if err = issue.LoadPullRequest(); err != nil {
ctx.ServerError("LoadPullRequest", err)
return
}
pr := issue.PullRequest
if err = pr.GetBaseRepo(); err != nil {
ctx.ServerError("GetBaseRepo", err)
return
}
patch, err := pr.BaseRepo.PatchPath(pr.Index)
if err != nil {
ctx.ServerError("PatchPath", err)
return
}
ctx.ServeFileContent(patch)
}
// DownloadPullPatch render a pull's raw patch
func DownloadPullPatch(ctx *context.Context) {
issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if models.IsErrIssueNotExist(err) {
ctx.NotFound("GetIssueByIndex", err)
} else {
ctx.ServerError("GetIssueByIndex", err)
}
return
}
// Return not found if it's not a pull request
if !issue.IsPull {
ctx.NotFound("DownloadPullDiff",
fmt.Errorf("Issue is not a pull request"))
return
}
if err = issue.LoadPullRequest(); err != nil {
ctx.ServerError("LoadPullRequest", err)
return
}
pr := issue.PullRequest
if err = pr.GetHeadRepo(); err != nil {
ctx.ServerError("GetHeadRepo", err)
return
}
headGitRepo, err := git.OpenRepository(pr.HeadRepo.RepoPath())
if err != nil {
ctx.ServerError("OpenRepository", err)
return
}
patch, err := headGitRepo.GetFormatPatch(pr.MergeBase, pr.HeadBranch)
if err != nil {
ctx.ServerError("GetFormatPatch", err)
return
}
_, err = io.Copy(ctx, patch)
if err != nil {
ctx.ServerError("io.Copy", err)
return
}
}