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Allow API to create file on empty repo (#19224) 

This PR adds the necessary work to make it possible to create files on empty
repos using the API.

Fix #10993

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2022-03-28 20:48:41 +01:00 committed by GitHub
parent 54961f3ac9
commit e69b7a92ed
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 175 additions and 117 deletions
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40
integrations/api_repo_file_create_test.go
View File

@ -49,14 +49,14 @@ func getCreateFileOptions() api.CreateFileOptions {
}
}
func getExpectedFileResponseForCreate(commitID, treePath string) *api.FileResponse {
func getExpectedFileResponseForCreate(repoFullName, commitID, treePath string) *api.FileResponse {
sha := "a635aa942442ddfdba07468cf9661c08fbdf0ebf"
encoding := "base64"
content := "VGhpcyBpcyBuZXcgdGV4dA=="
selfURL := setting.AppURL + "api/v1/repos/user2/repo1/contents/" + treePath + "?ref=master"
htmlURL := setting.AppURL + "user2/repo1/src/branch/master/" + treePath
gitURL := setting.AppURL + "api/v1/repos/user2/repo1/git/blobs/" + sha
downloadURL := setting.AppURL + "user2/repo1/raw/branch/master/" + treePath
selfURL := setting.AppURL + "api/v1/repos/" + repoFullName + "/contents/" + treePath + "?ref=master"
htmlURL := setting.AppURL + repoFullName + "/src/branch/master/" + treePath
gitURL := setting.AppURL + "api/v1/repos/" + repoFullName + "/git/blobs/" + sha
downloadURL := setting.AppURL + repoFullName + "/raw/branch/master/" + treePath
return &api.FileResponse{
Content: &api.ContentsResponse{
Name: filepath.Base(treePath),
@ -78,10 +78,10 @@ func getExpectedFileResponseForCreate(commitID, treePath string) *api.FileRespon
},
Commit: &api.FileCommitResponse{
CommitMeta: api.CommitMeta{
URL: setting.AppURL + "api/v1/repos/user2/repo1/git/commits/" + commitID,
URL: setting.AppURL + "api/v1/repos/" + repoFullName + "/git/commits/" + commitID,
SHA: commitID,
},
HTMLURL: setting.AppURL + "user2/repo1/commit/" + commitID,
HTMLURL: setting.AppURL + repoFullName + "/commit/" + commitID,
Author: &api.CommitUser{
Identity: api.Identity{
Name: "Anne Doe",
@ -169,7 +169,7 @@ func TestAPICreateFile(t *testing.T) {
resp := session.MakeRequest(t, req, http.StatusCreated)
gitRepo, _ := git.OpenRepository(repo1.RepoPath())
commitID, _ := gitRepo.GetBranchCommitID(createFileOptions.NewBranchName)
expectedFileResponse := getExpectedFileResponseForCreate(commitID, treePath)
expectedFileResponse := getExpectedFileResponseForCreate("user2/repo1", commitID, treePath)
var fileResponse api.FileResponse
DecodeJSON(t, resp, &fileResponse)
assert.EqualValues(t, expectedFileResponse.Content, fileResponse.Content)
@ -276,5 +276,29 @@ func TestAPICreateFile(t *testing.T) {
url = fmt.Sprintf("/api/v1/repos/%s/%s/contents/%s?token=%s", user2.Name, repo1.Name, treePath, token4)
req = NewRequestWithJSON(t, "POST", url, &createFileOptions)
session.MakeRequest(t, req, http.StatusForbidden)
// Test creating a file in an empty repository
doAPICreateRepository(NewAPITestContext(t, "user2", "empty-repo"), true)(t)
createFileOptions = getCreateFileOptions()
fileID++
treePath = fmt.Sprintf("new/file%d.txt", fileID)
url = fmt.Sprintf("/api/v1/repos/%s/%s/contents/%s?token=%s", user2.Name, "empty-repo", treePath, token2)
req = NewRequestWithJSON(t, "POST", url, &createFileOptions)
resp = session.MakeRequest(t, req, http.StatusCreated)
emptyRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user2", Name: "empty-repo"}).(*repo_model.Repository) // public repo
gitRepo, _ := git.OpenRepository(emptyRepo.RepoPath())
commitID, _ := gitRepo.GetBranchCommitID(createFileOptions.NewBranchName)
expectedFileResponse := getExpectedFileResponseForCreate("user2/empty-repo", commitID, treePath)
DecodeJSON(t, resp, &fileResponse)
assert.EqualValues(t, expectedFileResponse.Content, fileResponse.Content)
assert.EqualValues(t, expectedFileResponse.Commit.SHA, fileResponse.Commit.SHA)
assert.EqualValues(t, expectedFileResponse.Commit.HTMLURL, fileResponse.Commit.HTMLURL)
assert.EqualValues(t, expectedFileResponse.Commit.Author.Email, fileResponse.Commit.Author.Email)
assert.EqualValues(t, expectedFileResponse.Commit.Author.Name, fileResponse.Commit.Author.Name)
assert.EqualValues(t, expectedFileResponse.Commit.Author.Date, fileResponse.Commit.Author.Date)
assert.EqualValues(t, expectedFileResponse.Commit.Committer.Email, fileResponse.Commit.Committer.Email)
assert.EqualValues(t, expectedFileResponse.Commit.Committer.Name, fileResponse.Commit.Committer.Name)
assert.EqualValues(t, expectedFileResponse.Commit.Committer.Date, fileResponse.Commit.Committer.Date)
gitRepo.Close()
})
}

3
routers/api/v1/repo/file.go
View File

@ -233,9 +233,6 @@ func CreateFile(ctx *context.APIContext) {
// "$ref": "#/responses/error"
apiOpts := web.GetForm(ctx).(*api.CreateFileOptions)
if ctx.Repo.Repository.IsEmpty {
ctx.Error(http.StatusUnprocessableEntity, "RepoIsEmpty", fmt.Errorf("repo is empty"))
}
if apiOpts.BranchName == "" {
apiOpts.BranchName = ctx.Repo.Repository.DefaultBranch

4
services/repository/files/cherry_pick.go
View File

@ -97,9 +97,9 @@ func CherryPick(ctx context.Context, repo *repo_model.Repository, doer *user_mod
// Now commit the tree
var commitHash string
if opts.Dates != nil {
commitHash, err = t.CommitTreeWithDate(author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
commitHash, err = t.CommitTreeWithDate("HEAD", author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
} else {
commitHash, err = t.CommitTree(author, committer, treeHash, message, opts.Signoff)
commitHash, err = t.CommitTree("HEAD", author, committer, treeHash, message, opts.Signoff)
}
if err != nil {
return nil, err

4
services/repository/files/delete.go
View File

@ -179,9 +179,9 @@ func DeleteRepoFile(ctx context.Context, repo *repo_model.Repository, doer *user
// Now commit the tree
var commitHash string
if opts.Dates != nil {
commitHash, err = t.CommitTreeWithDate(author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
commitHash, err = t.CommitTreeWithDate("HEAD", author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
} else {
commitHash, err = t.CommitTree(author, committer, treeHash, message, opts.Signoff)
commitHash, err = t.CommitTree("HEAD", author, committer, treeHash, message, opts.Signoff)
}
if err != nil {
return nil, err

4
services/repository/files/patch.go
View File

@ -164,9 +164,9 @@ func ApplyDiffPatch(ctx context.Context, repo *repo_model.Repository, doer *user
// Now commit the tree
var commitHash string
if opts.Dates != nil {
commitHash, err = t.CommitTreeWithDate(author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
commitHash, err = t.CommitTreeWithDate("HEAD", author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
} else {
commitHash, err = t.CommitTree(author, committer, treeHash, message, opts.Signoff)
commitHash, err = t.CommitTree("HEAD", author, committer, treeHash, message, opts.Signoff)
}
if err != nil {
return nil, err

35
services/repository/files/temp_repo.go
View File

@ -77,6 +77,19 @@ func (t *TemporaryUploadRepository) Clone(branch string) error {
return nil
}
// Init the repository
func (t *TemporaryUploadRepository) Init() error {
if err := git.InitRepository(t.ctx, t.basePath, false); err != nil {
return err
}
gitRepo, err := git.OpenRepositoryCtx(t.ctx, t.basePath)
if err != nil {
return err
}
t.gitRepo = gitRepo
return nil
}
// SetDefaultIndex sets the git index to our HEAD
func (t *TemporaryUploadRepository) SetDefaultIndex() error {
if _, err := git.NewCommand(t.ctx, "read-tree", "HEAD").RunInDir(t.basePath); err != nil {
@ -209,12 +222,12 @@ func (t *TemporaryUploadRepository) GetLastCommitByRef(ref string) (string, erro
}
// CommitTree creates a commit from a given tree for the user with provided message
func (t *TemporaryUploadRepository) CommitTree(author, committer *user_model.User, treeHash, message string, signoff bool) (string, error) {
return t.CommitTreeWithDate(author, committer, treeHash, message, signoff, time.Now(), time.Now())
func (t *TemporaryUploadRepository) CommitTree(parent string, author, committer *user_model.User, treeHash, message string, signoff bool) (string, error) {
return t.CommitTreeWithDate(parent, author, committer, treeHash, message, signoff, time.Now(), time.Now())
}
// CommitTreeWithDate creates a commit from a given tree for the user with provided message
func (t *TemporaryUploadRepository) CommitTreeWithDate(author, committer *user_model.User, treeHash, message string, signoff bool, authorDate, committerDate time.Time) (string, error) {
func (t *TemporaryUploadRepository) CommitTreeWithDate(parent string, author, committer *user_model.User, treeHash, message string, signoff bool, authorDate, committerDate time.Time) (string, error) {
authorSig := author.NewGitSig()
committerSig := committer.NewGitSig()
@ -235,11 +248,23 @@ func (t *TemporaryUploadRepository) CommitTreeWithDate(author, committer *user_m
_, _ = messageBytes.WriteString(message)
_, _ = messageBytes.WriteString("\n")
args := []string{"commit-tree", treeHash, "-p", "HEAD"}
var args []string
if parent != "" {
args = []string{"commit-tree", treeHash, "-p", parent}
} else {
args = []string{"commit-tree", treeHash}
}
// Determine if we should sign
if git.CheckGitVersionAtLeast("1.7.9") == nil {
sign, keyID, signer, _ := asymkey_service.SignCRUDAction(t.ctx, t.repo.RepoPath(), author, t.basePath, "HEAD")
var sign bool
var keyID string
var signer *git.Signature
if parent != "" {
sign, keyID, signer, _ = asymkey_service.SignCRUDAction(t.ctx, t.repo.RepoPath(), author, t.basePath, parent)
} else {
sign, keyID, signer, _ = asymkey_service.SignInitialCommit(t.ctx, t.repo.RepoPath(), author)
}
if sign {
args = append(args, "-S"+keyID)
if t.repo.GetTrustModel() == repo_model.CommitterTrustModel || t.repo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {

200
services/repository/files/update.go
View File

@ -141,7 +141,7 @@ func CreateOrUpdateRepoFile(ctx context.Context, repo *repo_model.Repository, do
defer closer.Close()
// oldBranch must exist for this operation
if _, err := gitRepo.GetBranch(opts.OldBranch); err != nil {
if _, err := gitRepo.GetBranch(opts.OldBranch); err != nil && !repo.IsEmpty {
return nil, err
}
@ -191,118 +191,130 @@ func CreateOrUpdateRepoFile(ctx context.Context, repo *repo_model.Repository, do
log.Error("%v", err)
}
defer t.Close()
hasOldBranch := true
if err := t.Clone(opts.OldBranch); err != nil {
return nil, err
}
if err := t.SetDefaultIndex(); err != nil {
return nil, err
}
// Get the commit of the original branch
commit, err := t.GetBranchCommit(opts.OldBranch)
if err != nil {
return nil, err // Couldn't get a commit for the branch
}
// Assigned LastCommitID in opts if it hasn't been set
if opts.LastCommitID == "" {
opts.LastCommitID = commit.ID.String()
} else {
lastCommitID, err := t.gitRepo.ConvertToSHA1(opts.LastCommitID)
if err != nil {
return nil, fmt.Errorf("DeleteRepoFile: Invalid last commit ID: %v", err)
if !git.IsErrBranchNotExist(err) || !repo.IsEmpty {
return nil, err
}
if err := t.Init(); err != nil {
return nil, err
}
hasOldBranch = false
opts.LastCommitID = ""
}
if hasOldBranch {
if err := t.SetDefaultIndex(); err != nil {
return nil, err
}
opts.LastCommitID = lastCommitID.String()
}
encoding := "UTF-8"
bom := false
executable := false
if !opts.IsNewFile {
fromEntry, err := commit.GetTreeEntryByPath(fromTreePath)
if hasOldBranch {
// Get the commit of the original branch
commit, err := t.GetBranchCommit(opts.OldBranch)
if err != nil {
return nil, err
return nil, err // Couldn't get a commit for the branch
}
if opts.SHA != "" {
// If a SHA was given and the SHA given doesn't match the SHA of the fromTreePath, throw error
if opts.SHA != fromEntry.ID.String() {
return nil, models.ErrSHADoesNotMatch{
Path: treePath,
GivenSHA: opts.SHA,
CurrentSHA: fromEntry.ID.String(),
}
// Assigned LastCommitID in opts if it hasn't been set
if opts.LastCommitID == "" {
opts.LastCommitID = commit.ID.String()
} else {
lastCommitID, err := t.gitRepo.ConvertToSHA1(opts.LastCommitID)
if err != nil {
return nil, fmt.Errorf("ConvertToSHA1: Invalid last commit ID: %v", err)
}
} else if opts.LastCommitID != "" {
// If a lastCommitID was given and it doesn't match the commitID of the head of the branch throw
// an error, but only if we aren't creating a new branch.
if commit.ID.String() != opts.LastCommitID && opts.OldBranch == opts.NewBranch {
if changed, err := commit.FileChangedSinceCommit(treePath, opts.LastCommitID); err != nil {
return nil, err
} else if changed {
return nil, models.ErrCommitIDDoesNotMatch{
GivenCommitID: opts.LastCommitID,
CurrentCommitID: opts.LastCommitID,
opts.LastCommitID = lastCommitID.String()
}
if !opts.IsNewFile {
fromEntry, err := commit.GetTreeEntryByPath(fromTreePath)
if err != nil {
return nil, err
}
if opts.SHA != "" {
// If a SHA was given and the SHA given doesn't match the SHA of the fromTreePath, throw error
if opts.SHA != fromEntry.ID.String() {
return nil, models.ErrSHADoesNotMatch{
Path: treePath,
GivenSHA: opts.SHA,
CurrentSHA: fromEntry.ID.String(),
}
}
// The file wasn't modified, so we are good to delete it
} else if opts.LastCommitID != "" {
// If a lastCommitID was given and it doesn't match the commitID of the head of the branch throw
// an error, but only if we aren't creating a new branch.
if commit.ID.String() != opts.LastCommitID && opts.OldBranch == opts.NewBranch {
if changed, err := commit.FileChangedSinceCommit(treePath, opts.LastCommitID); err != nil {
return nil, err
} else if changed {
return nil, models.ErrCommitIDDoesNotMatch{
GivenCommitID: opts.LastCommitID,
CurrentCommitID: opts.LastCommitID,
}
}
// The file wasn't modified, so we are good to delete it
}
} else {
// When updating a file, a lastCommitID or SHA needs to be given to make sure other commits
// haven't been made. We throw an error if one wasn't provided.
return nil, models.ErrSHAOrCommitIDNotProvided{}
}
} else {
// When updating a file, a lastCommitID or SHA needs to be given to make sure other commits
// haven't been made. We throw an error if one wasn't provided.
return nil, models.ErrSHAOrCommitIDNotProvided{}
encoding, bom = detectEncodingAndBOM(fromEntry, repo)
executable = fromEntry.IsExecutable()
}
encoding, bom = detectEncodingAndBOM(fromEntry, repo)
executable = fromEntry.IsExecutable()
}
// For the path where this file will be created/updated, 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.
treePathParts := strings.Split(treePath, "/")
subTreePath := ""
for index, part := range treePathParts {
subTreePath = path.Join(subTreePath, part)
entry, err := commit.GetTreeEntryByPath(subTreePath)
if err != nil {
if git.IsErrNotExist(err) {
// Means there is no item with that name, so we're good
break
// For the path where this file will be created/updated, 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.
treePathParts := strings.Split(treePath, "/")
subTreePath := ""
for index, part := range treePathParts {
subTreePath = path.Join(subTreePath, part)
entry, err := commit.GetTreeEntryByPath(subTreePath)
if err != nil {
if git.IsErrNotExist(err) {
// Means there is no item with that name, so we're good
break
}
return nil, err
}
return nil, err
}
if index < len(treePathParts)-1 {
if !entry.IsDir() {
if index < len(treePathParts)-1 {
if !entry.IsDir() {
return nil, models.ErrFilePathInvalid{
Message: fmt.Sprintf("a file exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
Path: subTreePath,
Name: part,
Type: git.EntryModeBlob,
}
}
} else if entry.IsLink() {
return nil, models.ErrFilePathInvalid{
Message: fmt.Sprintf("a file exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
Message: fmt.Sprintf("a symbolic link exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
Path: subTreePath,
Name: part,
Type: git.EntryModeBlob,
Type: git.EntryModeSymlink,
}
} else if entry.IsDir() {
return nil, models.ErrFilePathInvalid{
Message: fmt.Sprintf("a directory exists where you’re trying to create a file [path: %s]", subTreePath),
Path: subTreePath,
Name: part,
Type: git.EntryModeTree,
}
} else if fromTreePath != treePath || opts.IsNewFile {
// The entry shouldn't exist if we are creating new file or moving to a new path
return nil, models.ErrRepoFileAlreadyExists{
Path: treePath,
}
}
} else if entry.IsLink() {
return nil, models.ErrFilePathInvalid{
Message: fmt.Sprintf("a symbolic link exists where you’re trying to create a subdirectory [path: %s]", subTreePath),
Path: subTreePath,
Name: part,
Type: git.EntryModeSymlink,
}
} else if entry.IsDir() {
return nil, models.ErrFilePathInvalid{
Message: fmt.Sprintf("a directory exists where you’re trying to create a file [path: %s]", subTreePath),
Path: subTreePath,
Name: part,
Type: git.EntryModeTree,
}
} else if fromTreePath != treePath || opts.IsNewFile {
// The entry shouldn't exist if we are creating new file or moving to a new path
return nil, models.ErrRepoFileAlreadyExists{
Path: treePath,
}
}
}
}
// Get the two paths (might be the same if not moving) from the index if they exist
@ -354,7 +366,7 @@ func CreateOrUpdateRepoFile(ctx context.Context, repo *repo_model.Repository, do
opts.Content = content
var lfsMetaObject *models.LFSMetaObject
if setting.LFS.StartServer {
if setting.LFS.StartServer && hasOldBranch {
// Check there is no way this can return multiple infos
filename2attribute2info, err := t.gitRepo.CheckAttribute(git.CheckAttributeOpts{
Attributes: []string{"filter"},
@ -401,9 +413,9 @@ func CreateOrUpdateRepoFile(ctx context.Context, repo *repo_model.Repository, do
// Now commit the tree
var commitHash string
if opts.Dates != nil {
commitHash, err = t.CommitTreeWithDate(author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
commitHash, err = t.CommitTreeWithDate(opts.LastCommitID, author, committer, treeHash, message, opts.Signoff, opts.Dates.Author, opts.Dates.Committer)
} else {
commitHash, err = t.CommitTree(author, committer, treeHash, message, opts.Signoff)
commitHash, err = t.CommitTree(opts.LastCommitID, author, committer, treeHash, message, opts.Signoff)
}
if err != nil {
return nil, err
@ -436,7 +448,7 @@ func CreateOrUpdateRepoFile(ctx context.Context, repo *repo_model.Repository, do
return nil, err
}
commit, err = t.GetCommit(commitHash)
commit, err := t.GetCommit(commitHash)
if err != nil {
return nil, err
}

2
services/repository/files/upload.go
View File

@ -123,7 +123,7 @@ func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use
committer := doer
// Now commit the tree
commitHash, err := t.CommitTree(author, committer, treeHash, opts.Message, opts.Signoff)
commitHash, err := t.CommitTree(opts.LastCommitID, author, committer, treeHash, opts.Message, opts.Signoff)
if err != nil {
return err
}