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gitea/modules/repository/init.go

260 lines
7.9 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 repository
import (
"bytes"
"context"
"fmt"
"os"
"path/filepath"
"strings"
"time"
"code.gitea.io/gitea/models"
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/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
asymkey_service "code.gitea.io/gitea/services/asymkey"
"github.com/unknwon/com"
)
func prepareRepoCommit(ctx context.Context, repo *repo_model.Repository, tmpDir, repoPath string, opts models.CreateRepoOptions) error {
commitTimeStr := time.Now().Format(time.RFC3339)
authorSig := repo.Owner.NewGitSig()
// 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="+commitTimeStr,
"GIT_COMMITTER_NAME="+authorSig.Name,
"GIT_COMMITTER_EMAIL="+authorSig.Email,
"GIT_COMMITTER_DATE="+commitTimeStr,
)
// Clone to temporary path and do the init commit.
if stdout, err := git.NewCommand(ctx, "clone", repoPath, tmpDir).
SetDescription(fmt.Sprintf("prepareRepoCommit (git clone): %s to %s", repoPath, tmpDir)).
RunInDirWithEnv("", env); err != nil {
log.Error("Failed to clone from %v into %s: stdout: %s\nError: %v", repo, tmpDir, stdout, err)
return fmt.Errorf("git clone: %v", err)
}
// README
data, err := models.GetRepoInitFile("readme", opts.Readme)
if err != nil {
return fmt.Errorf("GetRepoInitFile[%s]: %v", opts.Readme, err)
}
cloneLink := repo.CloneLink()
match := map[string]string{
"Name": repo.Name,
"Description": repo.Description,
"CloneURL.SSH": cloneLink.SSH,
"CloneURL.HTTPS": cloneLink.HTTPS,
"OwnerName": repo.OwnerName,
}
if err = os.WriteFile(filepath.Join(tmpDir, "README.md"),
[]byte(com.Expand(string(data), match)), 0o644); err != nil {
return fmt.Errorf("write README.md: %v", err)
}
// .gitignore
if len(opts.Gitignores) > 0 {
var buf bytes.Buffer
names := strings.Split(opts.Gitignores, ",")
for _, name := range names {
data, err = models.GetRepoInitFile("gitignore", name)
if err != nil {
return fmt.Errorf("GetRepoInitFile[%s]: %v", name, err)
}
buf.WriteString("# ---> " + name + "\n")
buf.Write(data)
buf.WriteString("\n")
}
if buf.Len() > 0 {
if err = os.WriteFile(filepath.Join(tmpDir, ".gitignore"), buf.Bytes(), 0o644); err != nil {
return fmt.Errorf("write .gitignore: %v", err)
}
}
}
// LICENSE
if len(opts.License) > 0 {
data, err = models.GetRepoInitFile("license", opts.License)
if err != nil {
return fmt.Errorf("GetRepoInitFile[%s]: %v", opts.License, err)
}
if err = os.WriteFile(filepath.Join(tmpDir, "LICENSE"), data, 0o644); err != nil {
return fmt.Errorf("write LICENSE: %v", err)
}
}
return nil
}
// initRepoCommit temporarily changes with work directory.
func initRepoCommit(ctx context.Context, tmpPath string, repo *repo_model.Repository, u *user_model.User, defaultBranch string) (err error) {
commitTimeStr := time.Now().Format(time.RFC3339)
sig := u.NewGitSig()
// Because this may call hooks we should pass in the environment
env := append(os.Environ(),
"GIT_AUTHOR_NAME="+sig.Name,
"GIT_AUTHOR_EMAIL="+sig.Email,
"GIT_AUTHOR_DATE="+commitTimeStr,
"GIT_COMMITTER_DATE="+commitTimeStr,
)
committerName := sig.Name
committerEmail := sig.Email
if stdout, err := git.NewCommand(ctx, "add", "--all").
SetDescription(fmt.Sprintf("initRepoCommit (git add): %s", tmpPath)).
RunInDir(tmpPath); err != nil {
log.Error("git add --all failed: Stdout: %s\nError: %v", stdout, err)
return fmt.Errorf("git add --all: %v", err)
}
err = git.LoadGitVersion()
if err != nil {
return fmt.Errorf("Unable to get git version: %v", err)
}
args := []string{
"commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
"-m", "Initial commit",
}
if git.CheckGitVersionAtLeast("1.7.9") == nil {
sign, keyID, signer, _ := asymkey_service.SignInitialCommit(ctx, tmpPath, u)
if sign {
args = append(args, "-S"+keyID)
if repo.GetTrustModel() == repo_model.CommitterTrustModel || repo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {
// need to set the committer to the KeyID owner
committerName = signer.Name
committerEmail = signer.Email
}
} else if git.CheckGitVersionAtLeast("2.0.0") == nil {
args = append(args, "--no-gpg-sign")
}
}
env = append(env,
"GIT_COMMITTER_NAME="+committerName,
"GIT_COMMITTER_EMAIL="+committerEmail,
)
if stdout, err := git.NewCommand(ctx, args...).
SetDescription(fmt.Sprintf("initRepoCommit (git commit): %s", tmpPath)).
RunInDirWithEnv(tmpPath, env); err != nil {
log.Error("Failed to commit: %v: Stdout: %s\nError: %v", args, stdout, err)
return fmt.Errorf("git commit: %v", err)
}
if len(defaultBranch) == 0 {
defaultBranch = setting.Repository.DefaultBranch
}
if stdout, err := git.NewCommand(ctx, "push", "origin", "HEAD:"+defaultBranch).
SetDescription(fmt.Sprintf("initRepoCommit (git push): %s", tmpPath)).
RunInDirWithEnv(tmpPath, models.InternalPushingEnvironment(u, repo)); err != nil {
log.Error("Failed to push back to HEAD: Stdout: %s\nError: %v", stdout, err)
return fmt.Errorf("git push: %v", err)
}
return nil
}
func checkInitRepository(ctx context.Context, owner, name string) (err error) {
// Somehow the directory could exist.
repoPath := repo_model.RepoPath(owner, name)
isExist, err := util.IsExist(repoPath)
if err != nil {
log.Error("Unable to check if %s exists. Error: %v", repoPath, err)
return err
}
if isExist {
return repo_model.ErrRepoFilesAlreadyExist{
Uname: owner,
Name: name,
}
}
// Init git bare new repository.
if err = git.InitRepository(ctx, repoPath, true); err != nil {
return fmt.Errorf("git.InitRepository: %v", err)
} else if err = createDelegateHooks(repoPath); err != nil {
return fmt.Errorf("createDelegateHooks: %v", err)
}
return nil
}
// InitRepository initializes README and .gitignore if needed.
func initRepository(ctx context.Context, repoPath string, u *user_model.User, repo *repo_model.Repository, opts models.CreateRepoOptions) (err error) {
if err = checkInitRepository(ctx, repo.OwnerName, repo.Name); err != nil {
return err
}
// Initialize repository according to user's choice.
if opts.AutoInit {
tmpDir, err := os.MkdirTemp(os.TempDir(), "gitea-"+repo.Name)
if err != nil {
return fmt.Errorf("Failed to create temp dir for repository %s: %v", repo.RepoPath(), err)
}
defer func() {
if err := util.RemoveAll(tmpDir); err != nil {
log.Warn("Unable to remove temporary directory: %s: Error: %v", tmpDir, err)
}
}()
if err = prepareRepoCommit(ctx, repo, tmpDir, repoPath, opts); err != nil {
return fmt.Errorf("prepareRepoCommit: %v", err)
}
// Apply changes and commit.
if err = initRepoCommit(ctx, tmpDir, repo, u, opts.DefaultBranch); err != nil {
return fmt.Errorf("initRepoCommit: %v", err)
}
}
// Re-fetch the repository from database before updating it (else it would
// override changes that were done earlier with sql)
if repo, err = repo_model.GetRepositoryByIDCtx(ctx, repo.ID); err != nil {
return fmt.Errorf("getRepositoryByID: %v", err)
}
if !opts.AutoInit {
repo.IsEmpty = true
}
repo.DefaultBranch = setting.Repository.DefaultBranch
if len(opts.DefaultBranch) > 0 {
repo.DefaultBranch = opts.DefaultBranch
gitRepo, err := git.OpenRepositoryCtx(ctx, repo.RepoPath())
if err != nil {
return fmt.Errorf("openRepository: %v", err)
}
defer gitRepo.Close()
if err = gitRepo.SetDefaultBranch(repo.DefaultBranch); err != nil {
return fmt.Errorf("setDefaultBranch: %v", err)
}
}
if err = models.UpdateRepositoryCtx(ctx, repo, false); err != nil {
return fmt.Errorf("updateRepository: %v", err)
}
return nil
}