123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393 |
- // Copyright 2019 The Gitea 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 repofiles
-
- import (
- "bytes"
- "context"
- "fmt"
- "io"
- "os"
- "regexp"
- "strings"
- "time"
-
- "code.gitea.io/gitea/models"
- "code.gitea.io/gitea/modules/git"
- "code.gitea.io/gitea/modules/log"
- "code.gitea.io/gitea/modules/setting"
- "code.gitea.io/gitea/services/gitdiff"
- )
-
- // TemporaryUploadRepository is a type to wrap our upload repositories as a shallow clone
- type TemporaryUploadRepository struct {
- repo *models.Repository
- gitRepo *git.Repository
- basePath string
- }
-
- // NewTemporaryUploadRepository creates a new temporary upload repository
- func NewTemporaryUploadRepository(repo *models.Repository) (*TemporaryUploadRepository, error) {
- basePath, err := models.CreateTemporaryPath("upload")
- if err != nil {
- return nil, err
- }
- t := &TemporaryUploadRepository{repo: repo, basePath: basePath}
- return t, nil
- }
-
- // Close the repository cleaning up all files
- func (t *TemporaryUploadRepository) Close() {
- defer t.gitRepo.Close()
- if err := models.RemoveTemporaryPath(t.basePath); err != nil {
- log.Error("Failed to remove temporary path %s: %v", t.basePath, err)
- }
- }
-
- // Clone the base repository to our path and set branch as the HEAD
- func (t *TemporaryUploadRepository) Clone(branch string) error {
- if _, err := git.NewCommand("clone", "-s", "--bare", "-b", branch, t.repo.RepoPath(), t.basePath).Run(); err != nil {
- stderr := err.Error()
- if matched, _ := regexp.MatchString(".*Remote branch .* not found in upstream origin.*", stderr); matched {
- return git.ErrBranchNotExist{
- Name: branch,
- }
- } else if matched, _ := regexp.MatchString(".* repository .* does not exist.*", stderr); matched {
- return models.ErrRepoNotExist{
- ID: t.repo.ID,
- UID: t.repo.OwnerID,
- OwnerName: t.repo.OwnerName,
- Name: t.repo.Name,
- }
- } else {
- return fmt.Errorf("Clone: %v %s", err, stderr)
- }
- }
- gitRepo, err := git.OpenRepository(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("read-tree", "HEAD").RunInDir(t.basePath); err != nil {
- return fmt.Errorf("SetDefaultIndex: %v", err)
- }
- return nil
- }
-
- // LsFiles checks if the given filename arguments are in the index
- func (t *TemporaryUploadRepository) LsFiles(filenames ...string) ([]string, error) {
- stdOut := new(bytes.Buffer)
- stdErr := new(bytes.Buffer)
-
- cmdArgs := []string{"ls-files", "-z", "--"}
- for _, arg := range filenames {
- if arg != "" {
- cmdArgs = append(cmdArgs, arg)
- }
- }
-
- if err := git.NewCommand(cmdArgs...).RunInDirPipeline(t.basePath, stdOut, stdErr); err != nil {
- log.Error("Unable to run git ls-files for temporary repo: %s (%s) Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), t.basePath, err, stdOut.String(), stdErr.String())
- err = fmt.Errorf("Unable to run git ls-files for temporary repo of: %s Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), err, stdOut.String(), stdErr.String())
- return nil, err
- }
-
- filelist := make([]string, len(filenames))
- for _, line := range bytes.Split(stdOut.Bytes(), []byte{'\000'}) {
- filelist = append(filelist, string(line))
- }
-
- return filelist, nil
- }
-
- // RemoveFilesFromIndex removes the given files from the index
- func (t *TemporaryUploadRepository) RemoveFilesFromIndex(filenames ...string) error {
- stdOut := new(bytes.Buffer)
- stdErr := new(bytes.Buffer)
- stdIn := new(bytes.Buffer)
- for _, file := range filenames {
- if file != "" {
- stdIn.WriteString("0 0000000000000000000000000000000000000000\t")
- stdIn.WriteString(file)
- stdIn.WriteByte('\000')
- }
- }
-
- if err := git.NewCommand("update-index", "--remove", "-z", "--index-info").RunInDirFullPipeline(t.basePath, stdOut, stdErr, stdIn); err != nil {
- log.Error("Unable to update-index for temporary repo: %s (%s) Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), t.basePath, err, stdOut.String(), stdErr.String())
- return fmt.Errorf("Unable to update-index for temporary repo: %s Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), err, stdOut.String(), stdErr.String())
- }
- return nil
- }
-
- // HashObject writes the provided content to the object db and returns its hash
- func (t *TemporaryUploadRepository) HashObject(content io.Reader) (string, error) {
- stdOut := new(bytes.Buffer)
- stdErr := new(bytes.Buffer)
-
- if err := git.NewCommand("hash-object", "-w", "--stdin").RunInDirFullPipeline(t.basePath, stdOut, stdErr, content); err != nil {
- log.Error("Unable to hash-object to temporary repo: %s (%s) Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), t.basePath, err, stdOut.String(), stdErr.String())
- return "", fmt.Errorf("Unable to hash-object to temporary repo: %s Error: %v\nstdout: %s\nstderr: %s", t.repo.FullName(), err, stdOut.String(), stdErr.String())
- }
-
- return strings.TrimSpace(stdOut.String()), nil
- }
-
- // AddObjectToIndex adds the provided object hash to the index with the provided mode and path
- func (t *TemporaryUploadRepository) AddObjectToIndex(mode, objectHash, objectPath string) error {
- if _, err := git.NewCommand("update-index", "--add", "--replace", "--cacheinfo", mode, objectHash, objectPath).RunInDir(t.basePath); err != nil {
- stderr := err.Error()
- if matched, _ := regexp.MatchString(".*Invalid path '.*", stderr); matched {
- return models.ErrFilePathInvalid{
- Message: objectPath,
- Path: objectPath,
- }
- }
- log.Error("Unable to add object to index: %s %s %s in temporary repo %s(%s) Error: %v", mode, objectHash, objectPath, t.repo.FullName(), t.basePath, err)
- return fmt.Errorf("Unable to add object to index at %s in temporary repo %s Error: %v", objectPath, t.repo.FullName(), err)
- }
- return nil
- }
-
- // WriteTree writes the current index as a tree to the object db and returns its hash
- func (t *TemporaryUploadRepository) WriteTree() (string, error) {
- stdout, err := git.NewCommand("write-tree").RunInDir(t.basePath)
- if err != nil {
- log.Error("Unable to write tree in temporary repo: %s(%s): Error: %v", t.repo.FullName(), t.basePath, err)
- return "", fmt.Errorf("Unable to write-tree in temporary repo for: %s Error: %v", t.repo.FullName(), err)
- }
- return strings.TrimSpace(stdout), nil
- }
-
- // GetLastCommit gets the last commit ID SHA of the repo
- func (t *TemporaryUploadRepository) GetLastCommit() (string, error) {
- return t.GetLastCommitByRef("HEAD")
- }
-
- // GetLastCommitByRef gets the last commit ID SHA of the repo by ref
- func (t *TemporaryUploadRepository) GetLastCommitByRef(ref string) (string, error) {
- if ref == "" {
- ref = "HEAD"
- }
- stdout, err := git.NewCommand("rev-parse", ref).RunInDir(t.basePath)
- if err != nil {
- log.Error("Unable to get last ref for %s in temporary repo: %s(%s): Error: %v", ref, t.repo.FullName(), t.basePath, err)
- return "", fmt.Errorf("Unable to rev-parse %s in temporary repo for: %s Error: %v", ref, t.repo.FullName(), err)
- }
- return strings.TrimSpace(stdout), nil
- }
-
- // CommitTree creates a commit from a given tree for the user with provided message
- func (t *TemporaryUploadRepository) CommitTree(author, committer *models.User, treeHash string, message string) (string, error) {
- return t.CommitTreeWithDate(author, committer, treeHash, message, time.Now(), time.Now())
- }
-
- // CommitTreeWithDate creates a commit from a given tree for the user with provided message
- func (t *TemporaryUploadRepository) CommitTreeWithDate(author, committer *models.User, treeHash string, message string, authorDate, committerDate time.Time) (string, error) {
- authorSig := author.NewGitSig()
- committerSig := committer.NewGitSig()
-
- err := git.LoadGitVersion()
- if err != nil {
- return "", fmt.Errorf("Unable to get git version: %v", err)
- }
-
- // Because this may call hooks we should pass in the environment
- env := append(os.Environ(),
- "GIT_AUTHOR_NAME="+authorSig.Name,
- "GIT_AUTHOR_EMAIL="+authorSig.Email,
- "GIT_AUTHOR_DATE="+authorDate.Format(time.RFC3339),
- "GIT_COMMITTER_DATE="+committerDate.Format(time.RFC3339),
- )
-
- messageBytes := new(bytes.Buffer)
- _, _ = messageBytes.WriteString(message)
- _, _ = messageBytes.WriteString("\n")
-
- args := []string{"commit-tree", treeHash, "-p", "HEAD"}
-
- // Determine if we should sign
- if git.CheckGitVersionAtLeast("1.7.9") == nil {
- sign, keyID, signer, _ := t.repo.SignCRUDAction(author, t.basePath, "HEAD")
- if sign {
- args = append(args, "-S"+keyID)
- if t.repo.GetTrustModel() == models.CommitterTrustModel || t.repo.GetTrustModel() == models.CollaboratorCommitterTrustModel {
- if committerSig.Name != authorSig.Name || committerSig.Email != authorSig.Email {
- // Add trailers
- _, _ = messageBytes.WriteString("\n")
- _, _ = messageBytes.WriteString("Co-Authored-By: ")
- _, _ = messageBytes.WriteString(committerSig.String())
- _, _ = messageBytes.WriteString("\n")
- _, _ = messageBytes.WriteString("Co-Committed-By: ")
- _, _ = messageBytes.WriteString(committerSig.String())
- _, _ = messageBytes.WriteString("\n")
- }
- committerSig = signer
- }
- } else if git.CheckGitVersionAtLeast("2.0.0") == nil {
- args = append(args, "--no-gpg-sign")
- }
- }
-
- env = append(env,
- "GIT_COMMITTER_NAME="+committerSig.Name,
- "GIT_COMMITTER_EMAIL="+committerSig.Email,
- )
-
- stdout := new(bytes.Buffer)
- stderr := new(bytes.Buffer)
- if err := git.NewCommand(args...).RunInDirTimeoutEnvFullPipeline(env, -1, t.basePath, stdout, stderr, messageBytes); err != nil {
- log.Error("Unable to commit-tree in temporary repo: %s (%s) Error: %v\nStdout: %s\nStderr: %s",
- t.repo.FullName(), t.basePath, err, stdout, stderr)
- return "", fmt.Errorf("Unable to commit-tree in temporary repo: %s Error: %v\nStdout: %s\nStderr: %s",
- t.repo.FullName(), err, stdout, stderr)
- }
- return strings.TrimSpace(stdout.String()), nil
- }
-
- // Push the provided commitHash to the repository branch by the provided user
- func (t *TemporaryUploadRepository) Push(doer *models.User, commitHash string, branch string) error {
- // Because calls hooks we need to pass in the environment
- env := models.PushingEnvironment(doer, t.repo)
- if err := git.Push(t.basePath, git.PushOptions{
- Remote: t.repo.RepoPath(),
- Branch: strings.TrimSpace(commitHash) + ":refs/heads/" + strings.TrimSpace(branch),
- Env: env,
- }); err != nil {
- if git.IsErrPushOutOfDate(err) {
- return err
- } else if git.IsErrPushRejected(err) {
- rejectErr := err.(*git.ErrPushRejected)
- log.Info("Unable to push back to repo from temporary repo due to rejection: %s (%s)\nStdout: %s\nStderr: %s\nError: %v",
- t.repo.FullName(), t.basePath, rejectErr.StdOut, rejectErr.StdErr, rejectErr.Err)
- return err
- }
- log.Error("Unable to push back to repo from temporary repo: %s (%s)\nError: %v",
- t.repo.FullName(), t.basePath, err)
- return fmt.Errorf("Unable to push back to repo from temporary repo: %s (%s) Error: %v",
- t.repo.FullName(), t.basePath, err)
- }
- return nil
- }
-
- // DiffIndex returns a Diff of the current index to the head
- func (t *TemporaryUploadRepository) DiffIndex() (*gitdiff.Diff, error) {
- stdoutReader, stdoutWriter, err := os.Pipe()
- if err != nil {
- log.Error("Unable to open stdout pipe: %v", err)
- return nil, fmt.Errorf("Unable to open stdout pipe: %v", err)
- }
- defer func() {
- _ = stdoutReader.Close()
- _ = stdoutWriter.Close()
- }()
- stderr := new(bytes.Buffer)
- var diff *gitdiff.Diff
- var finalErr error
-
- if err := git.NewCommand("diff-index", "--src-prefix=\\a/", "--dst-prefix=\\b/", "--cached", "-p", "HEAD").
- RunInDirTimeoutEnvFullPipelineFunc(nil, 30*time.Second, t.basePath, stdoutWriter, stderr, nil, func(ctx context.Context, cancel context.CancelFunc) error {
- _ = stdoutWriter.Close()
- diff, finalErr = gitdiff.ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, stdoutReader)
- if finalErr != nil {
- log.Error("ParsePatch: %v", finalErr)
- cancel()
- }
- _ = stdoutReader.Close()
- return finalErr
- }); err != nil {
- if finalErr != nil {
- log.Error("Unable to ParsePatch in temporary repo %s (%s). Error: %v", t.repo.FullName(), t.basePath, finalErr)
- return nil, finalErr
- }
- log.Error("Unable to run diff-index pipeline in temporary repo %s (%s). Error: %v\nStderr: %s",
- t.repo.FullName(), t.basePath, err, stderr)
- return nil, fmt.Errorf("Unable to run diff-index pipeline in temporary repo %s. Error: %v\nStderr: %s",
- t.repo.FullName(), err, stderr)
- }
-
- diff.NumFiles, diff.TotalAddition, diff.TotalDeletion, err = git.GetDiffShortStat(t.basePath, "--cached", "HEAD")
- if err != nil {
- return nil, err
- }
-
- return diff, nil
- }
-
- // CheckAttribute checks the given attribute of the provided files
- func (t *TemporaryUploadRepository) CheckAttribute(attribute string, args ...string) (map[string]map[string]string, error) {
- err := git.LoadGitVersion()
- if err != nil {
- log.Error("Error retrieving git version: %v", err)
- return nil, err
- }
-
- stdout := new(bytes.Buffer)
- stderr := new(bytes.Buffer)
-
- cmdArgs := []string{"check-attr", "-z", attribute}
-
- // git check-attr --cached first appears in git 1.7.8
- if git.CheckGitVersionAtLeast("1.7.8") == nil {
- cmdArgs = append(cmdArgs, "--cached")
- }
- cmdArgs = append(cmdArgs, "--")
-
- for _, arg := range args {
- if arg != "" {
- cmdArgs = append(cmdArgs, arg)
- }
- }
-
- if err := git.NewCommand(cmdArgs...).RunInDirPipeline(t.basePath, stdout, stderr); err != nil {
- log.Error("Unable to check-attr in temporary repo: %s (%s) Error: %v\nStdout: %s\nStderr: %s",
- t.repo.FullName(), t.basePath, err, stdout, stderr)
- return nil, fmt.Errorf("Unable to check-attr in temporary repo: %s Error: %v\nStdout: %s\nStderr: %s",
- t.repo.FullName(), err, stdout, stderr)
- }
-
- fields := bytes.Split(stdout.Bytes(), []byte{'\000'})
-
- if len(fields)%3 != 1 {
- return nil, fmt.Errorf("Wrong number of fields in return from check-attr")
- }
-
- var name2attribute2info = make(map[string]map[string]string)
-
- for i := 0; i < (len(fields) / 3); i++ {
- filename := string(fields[3*i])
- attribute := string(fields[3*i+1])
- info := string(fields[3*i+2])
- attribute2info := name2attribute2info[filename]
- if attribute2info == nil {
- attribute2info = make(map[string]string)
- }
- attribute2info[attribute] = info
- name2attribute2info[filename] = attribute2info
- }
-
- return name2attribute2info, err
- }
-
- // GetBranchCommit Gets the commit object of the given branch
- func (t *TemporaryUploadRepository) GetBranchCommit(branch string) (*git.Commit, error) {
- if t.gitRepo == nil {
- return nil, fmt.Errorf("repository has not been cloned")
- }
- return t.gitRepo.GetBranchCommit(branch)
- }
-
- // GetCommit Gets the commit object of the given commit ID
- func (t *TemporaryUploadRepository) GetCommit(commitID string) (*git.Commit, error) {
- if t.gitRepo == nil {
- return nil, fmt.Errorf("repository has not been cloned")
- }
- return t.gitRepo.GetCommit(commitID)
- }
|