7c613f100e
Otherwise there would be more similar issues like #29287
346 lines
9.5 KiB
Go
346 lines
9.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"code.gitea.io/gitea/modules/proxy"
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"code.gitea.io/gitea/modules/util"
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)
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// GPGSettings represents the default GPG settings for this repository
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type GPGSettings struct {
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Sign bool
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KeyID string
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Email string
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Name string
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PublicKeyContent string
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}
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const prettyLogFormat = `--pretty=format:%H`
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// GetAllCommitsCount returns count of all commits in repository
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func (repo *Repository) GetAllCommitsCount() (int64, error) {
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return AllCommitsCount(repo.Ctx, repo.Path, false)
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}
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func (repo *Repository) parsePrettyFormatLogToList(logs []byte) ([]*Commit, error) {
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var commits []*Commit
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if len(logs) == 0 {
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return commits, nil
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}
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parts := bytes.Split(logs, []byte{'\n'})
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for _, commitID := range parts {
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commit, err := repo.GetCommit(string(commitID))
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if err != nil {
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return nil, err
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}
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commits = append(commits, commit)
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}
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return commits, nil
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}
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// IsRepoURLAccessible checks if given repository URL is accessible.
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func IsRepoURLAccessible(ctx context.Context, url string) bool {
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_, _, err := NewCommand(ctx, "ls-remote", "-q", "-h").AddDynamicArguments(url, "HEAD").RunStdString(nil)
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return err == nil
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}
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// GetObjectFormatOfRepo returns the hash type of repository at a given path
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func GetObjectFormatOfRepo(ctx context.Context, repoPath string) (ObjectFormat, error) {
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var stdout, stderr strings.Builder
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err := NewCommand(ctx, "hash-object", "--stdin").Run(&RunOpts{
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Dir: repoPath,
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Stdout: &stdout,
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Stderr: &stderr,
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Stdin: &strings.Reader{},
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})
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if err != nil {
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return nil, err
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}
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if stderr.Len() > 0 {
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return nil, errors.New(stderr.String())
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}
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h, err := NewIDFromString(strings.TrimRight(stdout.String(), "\n"))
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if err != nil {
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return nil, err
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}
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return h.Type(), nil
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}
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// InitRepository initializes a new Git repository.
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func InitRepository(ctx context.Context, repoPath string, bare bool, objectFormatName string) error {
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err := os.MkdirAll(repoPath, os.ModePerm)
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if err != nil {
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return err
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}
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cmd := NewCommand(ctx, "init")
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if !IsValidObjectFormat(objectFormatName) {
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return fmt.Errorf("invalid object format: %s", objectFormatName)
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}
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if DefaultFeatures().SupportHashSha256 {
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cmd.AddOptionValues("--object-format", objectFormatName)
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}
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if bare {
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cmd.AddArguments("--bare")
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}
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_, _, err = cmd.RunStdString(&RunOpts{Dir: repoPath})
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return err
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}
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// IsEmpty Check if repository is empty.
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func (repo *Repository) IsEmpty() (bool, error) {
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var errbuf, output strings.Builder
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if err := NewCommand(repo.Ctx).AddOptionFormat("--git-dir=%s", repo.Path).AddArguments("rev-list", "-n", "1", "--all").
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Run(&RunOpts{
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Dir: repo.Path,
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Stdout: &output,
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Stderr: &errbuf,
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}); err != nil {
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if (err.Error() == "exit status 1" && strings.TrimSpace(errbuf.String()) == "") || err.Error() == "exit status 129" {
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// git 2.11 exits with 129 if the repo is empty
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return true, nil
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}
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return true, fmt.Errorf("check empty: %w - %s", err, errbuf.String())
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}
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return strings.TrimSpace(output.String()) == "", nil
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}
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// CloneRepoOptions options when clone a repository
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type CloneRepoOptions struct {
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Timeout time.Duration
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Mirror bool
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Bare bool
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Quiet bool
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Branch string
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Shared bool
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NoCheckout bool
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Depth int
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Filter string
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SkipTLSVerify bool
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}
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// Clone clones original repository to target path.
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func Clone(ctx context.Context, from, to string, opts CloneRepoOptions) error {
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return CloneWithArgs(ctx, globalCommandArgs, from, to, opts)
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}
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// CloneWithArgs original repository to target path.
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func CloneWithArgs(ctx context.Context, args TrustedCmdArgs, from, to string, opts CloneRepoOptions) (err error) {
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toDir := path.Dir(to)
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if err = os.MkdirAll(toDir, os.ModePerm); err != nil {
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return err
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}
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cmd := NewCommandContextNoGlobals(ctx, args...).AddArguments("clone")
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if opts.SkipTLSVerify {
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cmd.AddArguments("-c", "http.sslVerify=false")
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}
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if opts.Mirror {
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cmd.AddArguments("--mirror")
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}
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if opts.Bare {
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cmd.AddArguments("--bare")
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}
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if opts.Quiet {
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cmd.AddArguments("--quiet")
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}
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if opts.Shared {
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cmd.AddArguments("-s")
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}
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if opts.NoCheckout {
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cmd.AddArguments("--no-checkout")
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}
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if opts.Depth > 0 {
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cmd.AddArguments("--depth").AddDynamicArguments(strconv.Itoa(opts.Depth))
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}
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if opts.Filter != "" {
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cmd.AddArguments("--filter").AddDynamicArguments(opts.Filter)
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}
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if len(opts.Branch) > 0 {
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cmd.AddArguments("-b").AddDynamicArguments(opts.Branch)
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}
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cmd.AddDashesAndList(from, to)
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if strings.Contains(from, "://") && strings.Contains(from, "@") {
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cmd.SetDescription(fmt.Sprintf("clone branch %s from %s to %s (shared: %t, mirror: %t, depth: %d)", opts.Branch, util.SanitizeCredentialURLs(from), to, opts.Shared, opts.Mirror, opts.Depth))
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} else {
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cmd.SetDescription(fmt.Sprintf("clone branch %s from %s to %s (shared: %t, mirror: %t, depth: %d)", opts.Branch, from, to, opts.Shared, opts.Mirror, opts.Depth))
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}
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if opts.Timeout <= 0 {
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opts.Timeout = -1
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}
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envs := os.Environ()
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u, err := url.Parse(from)
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if err == nil {
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envs = proxy.EnvWithProxy(u)
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}
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stderr := new(bytes.Buffer)
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if err = cmd.Run(&RunOpts{
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Timeout: opts.Timeout,
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Env: envs,
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Stdout: io.Discard,
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Stderr: stderr,
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}); err != nil {
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return ConcatenateError(err, stderr.String())
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}
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return nil
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}
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// PushOptions options when push to remote
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type PushOptions struct {
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Remote string
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Branch string
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Force bool
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Mirror bool
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Env []string
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Timeout time.Duration
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}
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// Push pushs local commits to given remote branch.
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func Push(ctx context.Context, repoPath string, opts PushOptions) error {
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cmd := NewCommand(ctx, "push")
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if opts.Force {
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cmd.AddArguments("-f")
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}
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if opts.Mirror {
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cmd.AddArguments("--mirror")
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}
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remoteBranchArgs := []string{opts.Remote}
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if len(opts.Branch) > 0 {
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remoteBranchArgs = append(remoteBranchArgs, opts.Branch)
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}
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cmd.AddDashesAndList(remoteBranchArgs...)
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if strings.Contains(opts.Remote, "://") && strings.Contains(opts.Remote, "@") {
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cmd.SetDescription(fmt.Sprintf("push branch %s to %s (force: %t, mirror: %t)", opts.Branch, util.SanitizeCredentialURLs(opts.Remote), opts.Force, opts.Mirror))
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} else {
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cmd.SetDescription(fmt.Sprintf("push branch %s to %s (force: %t, mirror: %t)", opts.Branch, opts.Remote, opts.Force, opts.Mirror))
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}
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stdout, stderr, err := cmd.RunStdString(&RunOpts{Env: opts.Env, Timeout: opts.Timeout, Dir: repoPath})
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if err != nil {
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if strings.Contains(stderr, "non-fast-forward") {
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return &ErrPushOutOfDate{StdOut: stdout, StdErr: stderr, Err: err}
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} else if strings.Contains(stderr, "! [remote rejected]") {
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err := &ErrPushRejected{StdOut: stdout, StdErr: stderr, Err: err}
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err.GenerateMessage()
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return err
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} else if strings.Contains(stderr, "matches more than one") {
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return &ErrMoreThanOne{StdOut: stdout, StdErr: stderr, Err: err}
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}
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return fmt.Errorf("push failed: %w - %s\n%s", err, stderr, stdout)
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}
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return nil
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}
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// GetLatestCommitTime returns time for latest commit in repository (across all branches)
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func GetLatestCommitTime(ctx context.Context, repoPath string) (time.Time, error) {
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cmd := NewCommand(ctx, "for-each-ref", "--sort=-committerdate", BranchPrefix, "--count", "1", "--format=%(committerdate)")
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stdout, _, err := cmd.RunStdString(&RunOpts{Dir: repoPath})
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if err != nil {
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return time.Time{}, err
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}
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commitTime := strings.TrimSpace(stdout)
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return time.Parse("Mon Jan _2 15:04:05 2006 -0700", commitTime)
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}
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// DivergeObject represents commit count diverging commits
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type DivergeObject struct {
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Ahead int
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Behind int
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}
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// GetDivergingCommits returns the number of commits a targetBranch is ahead or behind a baseBranch
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func GetDivergingCommits(ctx context.Context, repoPath, baseBranch, targetBranch string) (do DivergeObject, err error) {
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cmd := NewCommand(ctx, "rev-list", "--count", "--left-right").
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AddDynamicArguments(baseBranch + "..." + targetBranch).AddArguments("--")
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stdout, _, err := cmd.RunStdString(&RunOpts{Dir: repoPath})
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if err != nil {
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return do, err
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}
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left, right, found := strings.Cut(strings.Trim(stdout, "\n"), "\t")
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if !found {
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return do, fmt.Errorf("git rev-list output is missing a tab: %q", stdout)
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}
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do.Behind, err = strconv.Atoi(left)
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if err != nil {
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return do, err
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}
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do.Ahead, err = strconv.Atoi(right)
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if err != nil {
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return do, err
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}
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return do, nil
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}
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// CreateBundle create bundle content to the target path
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func (repo *Repository) CreateBundle(ctx context.Context, commit string, out io.Writer) error {
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tmp, err := os.MkdirTemp(os.TempDir(), "gitea-bundle")
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if err != nil {
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return err
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}
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defer os.RemoveAll(tmp)
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env := append(os.Environ(), "GIT_OBJECT_DIRECTORY="+filepath.Join(repo.Path, "objects"))
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_, _, err = NewCommand(ctx, "init", "--bare").RunStdString(&RunOpts{Dir: tmp, Env: env})
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if err != nil {
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return err
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}
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_, _, err = NewCommand(ctx, "reset", "--soft").AddDynamicArguments(commit).RunStdString(&RunOpts{Dir: tmp, Env: env})
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if err != nil {
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return err
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}
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_, _, err = NewCommand(ctx, "branch", "-m", "bundle").RunStdString(&RunOpts{Dir: tmp, Env: env})
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if err != nil {
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return err
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}
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tmpFile := filepath.Join(tmp, "bundle")
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_, _, err = NewCommand(ctx, "bundle", "create").AddDynamicArguments(tmpFile, "bundle", "HEAD").RunStdString(&RunOpts{Dir: tmp, Env: env})
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if err != nil {
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return err
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}
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fi, err := os.Open(tmpFile)
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if err != nil {
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return err
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}
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defer fi.Close()
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_, err = io.Copy(out, fi)
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return err
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}
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