364 lines
14 KiB
Go
364 lines
14 KiB
Go
// 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"
|
|
|
|
"github.com/mcuadros/go-version"
|
|
)
|
|
|
|
// 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()
|
|
|
|
binVersion, err := git.BinVersion()
|
|
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_NAME="+committerSig.Name,
|
|
"GIT_COMMITTER_EMAIL="+committerSig.Email,
|
|
"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 version.Compare(binVersion, "1.7.9", ">=") {
|
|
sign, keyID, _ := t.repo.SignCRUDAction(author, t.basePath, "HEAD")
|
|
if sign {
|
|
args = append(args, "-S"+keyID)
|
|
} else if version.Compare(binVersion, "2.0.0", ">=") {
|
|
args = append(args, "--no-gpg-sign")
|
|
}
|
|
}
|
|
|
|
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 stdout, err := git.NewCommand("push", t.repo.RepoPath(), strings.TrimSpace(commitHash)+":refs/heads/"+strings.TrimSpace(branch)).RunInDirWithEnv(t.basePath, env); err != nil {
|
|
log.Error("Unable to push back to repo from temporary repo: %s (%s)\nStdout: %s\nError: %v",
|
|
t.repo.FullName(), t.basePath, stdout, 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", "--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)
|
|
}
|
|
|
|
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) {
|
|
binVersion, err := git.BinVersion()
|
|
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 version.Compare(binVersion, "1.7.8", ">=") {
|
|
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)
|
|
}
|