diff options
Diffstat (limited to 'services/repository')
-rw-r--r-- | services/repository/files/content.go | 4 | ||||
-rw-r--r-- | services/repository/files/file.go | 8 | ||||
-rw-r--r-- | services/repository/files/file_test.go | 18 | ||||
-rw-r--r-- | services/repository/files/update.go | 118 | ||||
-rw-r--r-- | services/repository/files/upload.go | 238 | ||||
-rw-r--r-- | services/repository/merge_upstream.go | 7 |
6 files changed, 151 insertions, 242 deletions
diff --git a/services/repository/files/content.go b/services/repository/files/content.go index 7a07a0ddca..ccba3b7594 100644 --- a/services/repository/files/content.go +++ b/services/repository/files/content.go @@ -42,7 +42,7 @@ func GetContentsOrList(ctx context.Context, repo *repo_model.Repository, refComm } // Check that the path given in opts.treePath is valid (not a git path) - cleanTreePath := CleanUploadFileName(treePath) + cleanTreePath := CleanGitTreePath(treePath) if cleanTreePath == "" && treePath != "" { return nil, ErrFilenameInvalid{ Path: treePath, @@ -103,7 +103,7 @@ func GetObjectTypeFromTreeEntry(entry *git.TreeEntry) ContentType { // GetContents gets the metadata on a file's contents. Ref can be a branch, commit or tag func GetContents(ctx context.Context, repo *repo_model.Repository, refCommit *utils.RefCommit, treePath string, forList bool) (*api.ContentsResponse, error) { // Check that the path given in opts.treePath is valid (not a git path) - cleanTreePath := CleanUploadFileName(treePath) + cleanTreePath := CleanGitTreePath(treePath) if cleanTreePath == "" && treePath != "" { return nil, ErrFilenameInvalid{ Path: treePath, diff --git a/services/repository/files/file.go b/services/repository/files/file.go index 0e1100a098..855dc5c8ed 100644 --- a/services/repository/files/file.go +++ b/services/repository/files/file.go @@ -134,9 +134,8 @@ func (err ErrFilenameInvalid) Unwrap() error { return util.ErrInvalidArgument } -// CleanUploadFileName Trims a filename and returns empty string if it is a .git directory -func CleanUploadFileName(name string) string { - // Rebase the filename +// CleanGitTreePath cleans a tree path for git, it returns an empty string the path is invalid (e.g.: contains ".git" part) +func CleanGitTreePath(name string) string { name = util.PathJoinRel(name) // Git disallows any filenames to have a .git directory in them. for part := range strings.SplitSeq(name, "/") { @@ -144,5 +143,8 @@ func CleanUploadFileName(name string) string { return "" } } + if name == "." { + name = "" + } return name } diff --git a/services/repository/files/file_test.go b/services/repository/files/file_test.go index 169cafba0d..894c184472 100644 --- a/services/repository/files/file_test.go +++ b/services/repository/files/file_test.go @@ -10,17 +10,9 @@ import ( ) func TestCleanUploadFileName(t *testing.T) { - t.Run("Clean regular file", func(t *testing.T) { - name := "this/is/test" - cleanName := CleanUploadFileName(name) - expectedCleanName := name - assert.Equal(t, expectedCleanName, cleanName) - }) - - t.Run("Clean a .git path", func(t *testing.T) { - name := "this/is/test/.git" - cleanName := CleanUploadFileName(name) - expectedCleanName := "" - assert.Equal(t, expectedCleanName, cleanName) - }) + assert.Equal(t, "", CleanGitTreePath("")) //nolint + assert.Equal(t, "", CleanGitTreePath(".")) //nolint + assert.Equal(t, "a/b", CleanGitTreePath("a/b")) + assert.Equal(t, "", CleanGitTreePath(".git/b")) //nolint + assert.Equal(t, "", CleanGitTreePath("a/.git")) //nolint } diff --git a/services/repository/files/update.go b/services/repository/files/update.go index 99c1215c9f..5aaa394e9a 100644 --- a/services/repository/files/update.go +++ b/services/repository/files/update.go @@ -88,8 +88,26 @@ func (err ErrRepoFileDoesNotExist) Unwrap() error { return util.ErrNotExist } +type LazyReadSeeker interface { + io.ReadSeeker + io.Closer + OpenLazyReader() error +} + // ChangeRepoFiles adds, updates or removes multiple files in the given repository -func ChangeRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, opts *ChangeRepoFilesOptions) (*structs.FilesResponse, error) { +func ChangeRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, opts *ChangeRepoFilesOptions) (_ *structs.FilesResponse, errRet error) { + var addedLfsPointers []lfs.Pointer + defer func() { + if errRet != nil { + for _, lfsPointer := range addedLfsPointers { + _, err := git_model.RemoveLFSMetaObjectByOid(ctx, repo.ID, lfsPointer.Oid) + if err != nil { + log.Error("ChangeRepoFiles: RemoveLFSMetaObjectByOid failed: %v", err) + } + } + } + }() + err := repo.MustNotBeArchived() if err != nil { return nil, err @@ -127,14 +145,14 @@ func ChangeRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use } // Check that the path given in opts.treePath is valid (not a git path) - treePath := CleanUploadFileName(file.TreePath) + treePath := CleanGitTreePath(file.TreePath) if treePath == "" { return nil, ErrFilenameInvalid{ Path: file.TreePath, } } // If there is a fromTreePath (we are copying it), also clean it up - fromTreePath := CleanUploadFileName(file.FromTreePath) + fromTreePath := CleanGitTreePath(file.FromTreePath) if fromTreePath == "" && file.FromTreePath != "" { return nil, ErrFilenameInvalid{ Path: file.FromTreePath, @@ -241,10 +259,14 @@ func ChangeRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use lfsContentStore := lfs.NewContentStore() for _, file := range opts.Files { switch file.Operation { - case "create", "update", "rename": - if err = CreateUpdateRenameFile(ctx, t, file, lfsContentStore, repo.ID, hasOldBranch); err != nil { + case "create", "update", "rename", "upload": + addedLfsPointer, err := modifyFile(ctx, t, file, lfsContentStore, repo.ID) + if err != nil { return nil, err } + if addedLfsPointer != nil { + addedLfsPointers = append(addedLfsPointers, *addedLfsPointer) + } case "delete": if err = t.RemoveFilesFromIndex(ctx, file.TreePath); err != nil { return nil, err @@ -366,18 +388,29 @@ func (err ErrSHAOrCommitIDNotProvided) Error() string { // handles the check for various issues for ChangeRepoFiles func handleCheckErrors(file *ChangeRepoFile, commit *git.Commit, opts *ChangeRepoFilesOptions) error { - if file.Operation == "update" || file.Operation == "delete" || file.Operation == "rename" { - fromEntry, err := commit.GetTreeEntryByPath(file.Options.fromTreePath) - if err != nil { - return err + // check old entry (fromTreePath/fromEntry) + if file.Operation == "update" || file.Operation == "upload" || file.Operation == "delete" || file.Operation == "rename" { + var fromEntryIDString string + { + fromEntry, err := commit.GetTreeEntryByPath(file.Options.fromTreePath) + if file.Operation == "upload" && git.IsErrNotExist(err) { + fromEntry = nil + } else if err != nil { + return err + } + if fromEntry != nil { + fromEntryIDString = fromEntry.ID.String() + file.Options.executable = fromEntry.IsExecutable() // FIXME: legacy hacky approach, it shouldn't prepare the "Options" in the "check" function + } } + if file.SHA != "" { // If the SHA given doesn't match the SHA of the fromTreePath, throw error - if file.SHA != fromEntry.ID.String() { + if file.SHA != fromEntryIDString { return pull_service.ErrSHADoesNotMatch{ Path: file.Options.treePath, GivenSHA: file.SHA, - CurrentSHA: fromEntry.ID.String(), + CurrentSHA: fromEntryIDString, } } } else if opts.LastCommitID != "" { @@ -399,11 +432,10 @@ func handleCheckErrors(file *ChangeRepoFile, commit *git.Commit, opts *ChangeRep // haven't been made. We throw an error if one wasn't provided. return ErrSHAOrCommitIDNotProvided{} } - // FIXME: legacy hacky approach, it shouldn't prepare the "Options" in the "check" function - file.Options.executable = fromEntry.IsExecutable() } - if file.Operation == "create" || file.Operation == "update" || file.Operation == "rename" { + // check new entry (treePath/treeEntry) + if file.Operation == "create" || file.Operation == "update" || file.Operation == "upload" || file.Operation == "rename" { // For operation's target path, we need to make sure no parts of the path are existing files or links // except for the last item in the path (which is the file name). // And that shouldn't exist IF it is a new file OR is being moved to a new path. @@ -454,18 +486,23 @@ func handleCheckErrors(file *ChangeRepoFile, commit *git.Commit, opts *ChangeRep return nil } -func CreateUpdateRenameFile(ctx context.Context, t *TemporaryUploadRepository, file *ChangeRepoFile, contentStore *lfs.ContentStore, repoID int64, hasOldBranch bool) error { +func modifyFile(ctx context.Context, t *TemporaryUploadRepository, file *ChangeRepoFile, contentStore *lfs.ContentStore, repoID int64) (addedLfsPointer *lfs.Pointer, _ error) { + if rd, ok := file.ContentReader.(LazyReadSeeker); ok { + if err := rd.OpenLazyReader(); err != nil { + return nil, fmt.Errorf("OpenLazyReader: %w", err) + } + defer rd.Close() + } + // Get the two paths (might be the same if not moving) from the index if they exist filesInIndex, err := t.LsFiles(ctx, file.TreePath, file.FromTreePath) if err != nil { - return fmt.Errorf("UpdateRepoFile: %w", err) + return nil, fmt.Errorf("LsFiles: %w", err) } // If is a new file (not updating) then the given path shouldn't exist if file.Operation == "create" { if slices.Contains(filesInIndex, file.TreePath) { - return ErrRepoFileAlreadyExists{ - Path: file.TreePath, - } + return nil, ErrRepoFileAlreadyExists{Path: file.TreePath} } } @@ -474,7 +511,7 @@ func CreateUpdateRenameFile(ctx context.Context, t *TemporaryUploadRepository, f for _, indexFile := range filesInIndex { if indexFile == file.Options.fromTreePath { if err = t.RemoveFilesFromIndex(ctx, file.FromTreePath); err != nil { - return err + return nil, err } } } @@ -482,45 +519,46 @@ func CreateUpdateRenameFile(ctx context.Context, t *TemporaryUploadRepository, f var writeObjectRet *writeRepoObjectRet switch file.Operation { - case "create", "update": - writeObjectRet, err = writeRepoObjectForCreateOrUpdate(ctx, t, file) + case "create", "update", "upload": + writeObjectRet, err = writeRepoObjectForModify(ctx, t, file) case "rename": writeObjectRet, err = writeRepoObjectForRename(ctx, t, file) default: - return util.NewInvalidArgumentErrorf("unknown file modification operation: '%s'", file.Operation) + return nil, util.NewInvalidArgumentErrorf("unknown file modification operation: '%s'", file.Operation) } if err != nil { - return err + return nil, err } // Add the object to the index, the "file.Options.executable" is set in handleCheckErrors by the caller (legacy hacky approach) if err = t.AddObjectToIndex(ctx, util.Iif(file.Options.executable, "100755", "100644"), writeObjectRet.ObjectHash, file.Options.treePath); err != nil { - return err + return nil, err } if writeObjectRet.LfsContent == nil { - return nil // No LFS pointer, so nothing to do + return nil, nil // No LFS pointer, so nothing to do } defer writeObjectRet.LfsContent.Close() // Now we must store the content into an LFS object lfsMetaObject, err := git_model.NewLFSMetaObject(ctx, repoID, writeObjectRet.LfsPointer) if err != nil { - return err - } - if exist, err := contentStore.Exists(lfsMetaObject.Pointer); err != nil { - return err - } else if exist { - return nil + return nil, err } - - err = contentStore.Put(lfsMetaObject.Pointer, writeObjectRet.LfsContent) + exist, err := contentStore.Exists(lfsMetaObject.Pointer) if err != nil { - if _, errRemove := git_model.RemoveLFSMetaObjectByOid(ctx, repoID, lfsMetaObject.Oid); errRemove != nil { - return fmt.Errorf("unable to remove failed inserted LFS object %s: %v (Prev Error: %w)", lfsMetaObject.Oid, errRemove, err) + return nil, err + } + if !exist { + err = contentStore.Put(lfsMetaObject.Pointer, writeObjectRet.LfsContent) + if err != nil { + if _, errRemove := git_model.RemoveLFSMetaObjectByOid(ctx, repoID, lfsMetaObject.Oid); errRemove != nil { + return nil, fmt.Errorf("unable to remove failed inserted LFS object %s: %v (Prev Error: %w)", lfsMetaObject.Oid, errRemove, err) + } + return nil, err } } - return err + return &lfsMetaObject.Pointer, nil } func checkIsLfsFileInGitAttributes(ctx context.Context, t *TemporaryUploadRepository, paths []string) (ret []bool, err error) { @@ -544,8 +582,8 @@ type writeRepoObjectRet struct { LfsPointer lfs.Pointer } -// writeRepoObjectForCreateOrUpdate hashes the git object for create or update operations -func writeRepoObjectForCreateOrUpdate(ctx context.Context, t *TemporaryUploadRepository, file *ChangeRepoFile) (ret *writeRepoObjectRet, err error) { +// writeRepoObjectForModify hashes the git object for create or update operations +func writeRepoObjectForModify(ctx context.Context, t *TemporaryUploadRepository, file *ChangeRepoFile) (ret *writeRepoObjectRet, err error) { ret = &writeRepoObjectRet{} treeObjectContentReader := file.ContentReader if setting.LFS.StartServer { @@ -574,7 +612,7 @@ func writeRepoObjectForCreateOrUpdate(ctx context.Context, t *TemporaryUploadRep return ret, nil } -// writeRepoObjectForRename the same as writeRepoObjectForCreateOrUpdate buf for "rename" +// writeRepoObjectForRename the same as writeRepoObjectForModify buf for "rename" func writeRepoObjectForRename(ctx context.Context, t *TemporaryUploadRepository, file *ChangeRepoFile) (ret *writeRepoObjectRet, err error) { lastCommitID, err := t.GetLastCommit(ctx) if err != nil { diff --git a/services/repository/files/upload.go b/services/repository/files/upload.go index b004e3cc4c..b783cbd01d 100644 --- a/services/repository/files/upload.go +++ b/services/repository/files/upload.go @@ -8,15 +8,11 @@ import ( "fmt" "os" "path" - "strings" + "sync" - git_model "code.gitea.io/gitea/models/git" repo_model "code.gitea.io/gitea/models/repo" user_model "code.gitea.io/gitea/models/user" - "code.gitea.io/gitea/modules/git" - "code.gitea.io/gitea/modules/git/attribute" - "code.gitea.io/gitea/modules/lfs" - "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/log" ) // UploadRepoFileOptions contains the uploaded repository file options @@ -32,208 +28,84 @@ type UploadRepoFileOptions struct { Committer *IdentityOptions } -type uploadInfo struct { - upload *repo_model.Upload - lfsMetaObject *git_model.LFSMetaObject +type lazyLocalFileReader struct { + *os.File + localFilename string + counter int + mu sync.Mutex } -func cleanUpAfterFailure(ctx context.Context, infos *[]uploadInfo, t *TemporaryUploadRepository, original error) error { - for _, info := range *infos { - if info.lfsMetaObject == nil { - continue - } - if !info.lfsMetaObject.Existing { - if _, err := git_model.RemoveLFSMetaObjectByOid(ctx, t.repo.ID, info.lfsMetaObject.Oid); err != nil { - original = fmt.Errorf("%w, %v", original, err) // We wrap the original error - as this is the underlying error that required the fallback - } - } - } - return original -} - -// UploadRepoFiles uploads files to the given repository -func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, opts *UploadRepoFileOptions) error { - if len(opts.Files) == 0 { - return nil - } +var _ LazyReadSeeker = (*lazyLocalFileReader)(nil) - uploads, err := repo_model.GetUploadsByUUIDs(ctx, opts.Files) - if err != nil { - return fmt.Errorf("GetUploadsByUUIDs [uuids: %v]: %w", opts.Files, err) - } +func (l *lazyLocalFileReader) Close() error { + l.mu.Lock() + defer l.mu.Unlock() - names := make([]string, len(uploads)) - infos := make([]uploadInfo, len(uploads)) - for i, upload := range uploads { - // Check file is not lfs locked, will return nil if lock setting not enabled - filepath := path.Join(opts.TreePath, upload.Name) - lfsLock, err := git_model.GetTreePathLock(ctx, repo.ID, filepath) - if err != nil { - return err - } - if lfsLock != nil && lfsLock.OwnerID != doer.ID { - u, err := user_model.GetUserByID(ctx, lfsLock.OwnerID) - if err != nil { - return err + if l.counter > 0 { + l.counter-- + if l.counter == 0 { + if err := l.File.Close(); err != nil { + return fmt.Errorf("close file %s: %w", l.localFilename, err) } - return git_model.ErrLFSFileLocked{RepoID: repo.ID, Path: filepath, UserName: u.Name} - } - - names[i] = upload.Name - infos[i] = uploadInfo{upload: upload} - } - - t, err := NewTemporaryUploadRepository(repo) - if err != nil { - return err - } - defer t.Close() - - hasOldBranch := true - if err = t.Clone(ctx, opts.OldBranch, true); err != nil { - if !git.IsErrBranchNotExist(err) || !repo.IsEmpty { - return err - } - if err = t.Init(ctx, repo.ObjectFormatName); err != nil { - return err - } - hasOldBranch = false - opts.LastCommitID = "" - } - if hasOldBranch { - if err = t.SetDefaultIndex(ctx); err != nil { - return err - } - } - - var attributesMap map[string]*attribute.Attributes - // when uploading to an empty repo, the old branch doesn't exist, but some "global gitattributes" or "info/attributes" may exist - if setting.LFS.StartServer { - attributesMap, err = attribute.CheckAttributes(ctx, t.gitRepo, "" /* use temp repo's working dir */, attribute.CheckAttributeOpts{ - Attributes: []string{attribute.Filter}, - Filenames: names, - }) - if err != nil { - return err + l.File = nil } + return nil } + return fmt.Errorf("file %s already closed", l.localFilename) +} - // Copy uploaded files into repository. - // TODO: there is a small problem: when uploading LFS files with ".gitattributes", the "check-attr" runs before this loop, - // so LFS files are not able to be added as LFS objects. Ideally we need to do in 3 steps in the future: - // 1. Add ".gitattributes" to git index - // 2. Run "check-attr" (the previous attribute.CheckAttributes call) - // 3. Add files to git index (this loop) - // This problem is trivial so maybe no need to spend too much time on it at the moment. - for i := range infos { - if err := copyUploadedLFSFileIntoRepository(ctx, &infos[i], attributesMap, t, opts.TreePath); err != nil { - return err - } - } +func (l *lazyLocalFileReader) OpenLazyReader() error { + l.mu.Lock() + defer l.mu.Unlock() - // Now write the tree - treeHash, err := t.WriteTree(ctx) - if err != nil { - return err + if l.File != nil { + l.counter++ + return nil } - // Now commit the tree - commitOpts := &CommitTreeUserOptions{ - ParentCommitID: opts.LastCommitID, - TreeHash: treeHash, - CommitMessage: opts.Message, - SignOff: opts.Signoff, - DoerUser: doer, - AuthorIdentity: opts.Author, - CommitterIdentity: opts.Committer, - } - commitHash, err := t.CommitTree(ctx, commitOpts) + file, err := os.Open(l.localFilename) if err != nil { return err } + l.File = file + l.counter = 1 + return nil +} - // Now deal with LFS objects - for i := range infos { - if infos[i].lfsMetaObject == nil { - continue - } - infos[i].lfsMetaObject, err = git_model.NewLFSMetaObject(ctx, infos[i].lfsMetaObject.RepositoryID, infos[i].lfsMetaObject.Pointer) - if err != nil { - // OK Now we need to cleanup - return cleanUpAfterFailure(ctx, &infos, t, err) - } - // Don't move the files yet - we need to ensure that - // everything can be inserted first - } - - // OK now we can insert the data into the store - there's no way to clean up the store - // once it's in there, it's in there. - contentStore := lfs.NewContentStore() - for _, info := range infos { - if err := uploadToLFSContentStore(info, contentStore); err != nil { - return cleanUpAfterFailure(ctx, &infos, t, err) - } - } - - // Then push this tree to NewBranch - if err := t.Push(ctx, doer, commitHash, opts.NewBranch); err != nil { - return err +// UploadRepoFiles uploads files to the given repository +func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *user_model.User, opts *UploadRepoFileOptions) error { + if len(opts.Files) == 0 { + return nil } - return repo_model.DeleteUploads(ctx, uploads...) -} - -func copyUploadedLFSFileIntoRepository(ctx context.Context, info *uploadInfo, attributesMap map[string]*attribute.Attributes, t *TemporaryUploadRepository, treePath string) error { - file, err := os.Open(info.upload.LocalPath()) + uploads, err := repo_model.GetUploadsByUUIDs(ctx, opts.Files) if err != nil { - return err + return fmt.Errorf("GetUploadsByUUIDs [uuids: %v]: %w", opts.Files, err) } - defer file.Close() - var objectHash string - if setting.LFS.StartServer && attributesMap[info.upload.Name] != nil && attributesMap[info.upload.Name].Get(attribute.Filter).ToString().Value() == "lfs" { - // Handle LFS - // FIXME: Inefficient! this should probably happen in models.Upload - pointer, err := lfs.GeneratePointer(file) - if err != nil { - return err - } - - info.lfsMetaObject = &git_model.LFSMetaObject{Pointer: pointer, RepositoryID: t.repo.ID} - - if objectHash, err = t.HashObjectAndWrite(ctx, strings.NewReader(pointer.StringContent())); err != nil { - return err - } - } else if objectHash, err = t.HashObjectAndWrite(ctx, file); err != nil { - return err + changeOpts := &ChangeRepoFilesOptions{ + LastCommitID: opts.LastCommitID, + OldBranch: opts.OldBranch, + NewBranch: opts.NewBranch, + Message: opts.Message, + Signoff: opts.Signoff, + Author: opts.Author, + Committer: opts.Committer, + } + for _, upload := range uploads { + changeOpts.Files = append(changeOpts.Files, &ChangeRepoFile{ + Operation: "upload", + TreePath: path.Join(opts.TreePath, upload.Name), + ContentReader: &lazyLocalFileReader{localFilename: upload.LocalPath()}, + }) } - // Add the object to the index - return t.AddObjectToIndex(ctx, "100644", objectHash, path.Join(treePath, info.upload.Name)) -} - -func uploadToLFSContentStore(info uploadInfo, contentStore *lfs.ContentStore) error { - if info.lfsMetaObject == nil { - return nil - } - exist, err := contentStore.Exists(info.lfsMetaObject.Pointer) + _, err = ChangeRepoFiles(ctx, repo, doer, changeOpts) if err != nil { return err } - if !exist { - file, err := os.Open(info.upload.LocalPath()) - if err != nil { - return err - } - - defer file.Close() - // FIXME: Put regenerates the hash and copies the file over. - // I guess this strictly ensures the soundness of the store but this is inefficient. - if err := contentStore.Put(info.lfsMetaObject.Pointer, file); err != nil { - // OK Now we need to cleanup - // Can't clean up the store, once uploaded there they're there. - return err - } + if err := repo_model.DeleteUploads(ctx, uploads...); err != nil { + log.Error("DeleteUploads: %v", err) } return nil } diff --git a/services/repository/merge_upstream.go b/services/repository/merge_upstream.go index 34e01df723..8d6f11372c 100644 --- a/services/repository/merge_upstream.go +++ b/services/repository/merge_upstream.go @@ -18,7 +18,7 @@ import ( ) // MergeUpstream merges the base repository's default branch into the fork repository's current branch. -func MergeUpstream(ctx reqctx.RequestContext, doer *user_model.User, repo *repo_model.Repository, branch string) (mergeStyle string, err error) { +func MergeUpstream(ctx reqctx.RequestContext, doer *user_model.User, repo *repo_model.Repository, branch string, ffOnly bool) (mergeStyle string, err error) { if err = repo.MustNotBeArchived(); err != nil { return "", err } @@ -45,6 +45,11 @@ func MergeUpstream(ctx reqctx.RequestContext, doer *user_model.User, repo *repo_ return "", err } + // If ff_only is requested and fast-forward failed, return error + if ffOnly { + return "", util.NewInvalidArgumentErrorf("fast-forward merge not possible: branch has diverged") + } + // TODO: FakePR: it is somewhat hacky, but it is the only way to "merge" at the moment // ideally in the future the "merge" functions should be refactored to decouple from the PullRequest fakeIssue := &issue_model.Issue{ |