2016-11-04 03:46:01 +05:30
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// Copyright 2015 The Gogs Authors. All rights reserved.
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2017-05-30 15:02:01 +05:30
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// Copyright 2017 The Gitea Authors. All rights reserved.
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2022-11-27 23:50:29 +05:30
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// SPDX-License-Identifier: MIT
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2016-11-04 03:46:01 +05:30
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package git
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import (
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"bytes"
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2020-12-03 00:06:06 +05:30
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"context"
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2023-12-14 02:32:00 +05:30
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"errors"
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2019-05-05 21:55:25 +05:30
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"fmt"
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2021-08-18 18:40:39 +05:30
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"io"
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"net/url"
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2016-11-04 03:46:01 +05:30
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"os"
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"path"
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2021-08-24 22:17:09 +05:30
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"path/filepath"
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2019-05-05 21:55:25 +05:30
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"strconv"
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2017-04-08 07:53:39 +05:30
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"strings"
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2016-11-04 03:46:01 +05:30
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"time"
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2021-08-18 18:40:39 +05:30
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"code.gitea.io/gitea/modules/proxy"
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2022-03-27 17:24:09 +05:30
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"code.gitea.io/gitea/modules/util"
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2016-11-04 03:46:01 +05:30
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)
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2019-10-16 19:12:42 +05:30
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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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2016-11-04 03:46:01 +05:30
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}
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2016-12-22 15:00:52 +05:30
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const prettyLogFormat = `--pretty=format:%H`
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2016-11-04 03:46:01 +05:30
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2019-11-07 23:39:51 +05:30
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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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2022-01-20 04:56:57 +05:30
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return AllCommitsCount(repo.Ctx, repo.Path, false)
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2019-11-07 23:39:51 +05:30
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}
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2021-08-09 23:38:51 +05:30
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func (repo *Repository) parsePrettyFormatLogToList(logs []byte) ([]*Commit, error) {
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var commits []*Commit
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2016-11-04 03:46:01 +05:30
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if len(logs) == 0 {
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2021-08-09 23:38:51 +05:30
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return commits, nil
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2016-11-04 03:46:01 +05:30
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}
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parts := bytes.Split(logs, []byte{'\n'})
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2016-12-22 15:00:52 +05:30
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for _, commitID := range parts {
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commit, err := repo.GetCommit(string(commitID))
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2016-11-04 03:46:01 +05:30
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if err != nil {
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return nil, err
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}
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2021-08-09 23:38:51 +05:30
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commits = append(commits, commit)
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2016-11-04 03:46:01 +05:30
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}
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2021-08-09 23:38:51 +05:30
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return commits, nil
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2016-11-04 03:46:01 +05:30
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}
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// IsRepoURLAccessible checks if given repository URL is accessible.
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2022-01-20 04:56:57 +05:30
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func IsRepoURLAccessible(ctx context.Context, url string) bool {
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2022-10-23 20:14:45 +05:30
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_, _, err := NewCommand(ctx, "ls-remote", "-q", "-h").AddDynamicArguments(url, "HEAD").RunStdString(nil)
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2019-06-13 01:11:28 +05:30
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return err == nil
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2016-11-04 03:46:01 +05:30
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}
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2023-12-14 14:21:05 +05:30
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// GetObjectFormatOfRepo returns the hash type of repository at a given path
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2023-12-14 02:32:00 +05:30
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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 := IDFromString(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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2016-11-04 03:46:01 +05:30
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// InitRepository initializes a new Git repository.
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2023-12-14 02:32:00 +05:30
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func InitRepository(ctx context.Context, repoPath string, bare bool, objectFormat ObjectFormat) error {
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2019-06-13 01:11:28 +05:30
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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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2016-11-04 03:46:01 +05:30
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2023-12-14 14:21:05 +05:30
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cmd := NewCommand(ctx, "init")
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if SupportHashSha256 {
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cmd.AddOptionValues("--object-format", objectFormat.String())
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}
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2016-11-04 03:46:01 +05:30
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if bare {
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cmd.AddArguments("--bare")
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}
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2022-04-01 08:25:30 +05:30
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_, _, err = cmd.RunStdString(&RunOpts{Dir: repoPath})
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2016-11-04 03:46:01 +05:30
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return err
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}
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2019-06-26 23:45:26 +05:30
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// IsEmpty Check if repository is empty.
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func (repo *Repository) IsEmpty() (bool, error) {
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2022-01-28 08:21:16 +05:30
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var errbuf, output strings.Builder
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2023-08-17 10:13:39 +05:30
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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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2022-04-01 08:25:30 +05:30
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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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2022-01-28 08:21:16 +05:30
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}); err != nil {
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2023-10-02 21:29:39 +05:30
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if (err.Error() == "exit status 1" && strings.TrimSpace(errbuf.String()) == "") || err.Error() == "exit status 129" {
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2023-10-02 19:35:21 +05:30
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// git 2.11 exits with 129 if the repo is empty
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2022-02-13 21:31:23 +05:30
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return true, nil
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}
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2022-10-25 00:59:17 +05:30
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return true, fmt.Errorf("check empty: %w - %s", err, errbuf.String())
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2019-06-26 23:45:26 +05:30
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}
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2022-02-13 21:31:23 +05:30
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return strings.TrimSpace(output.String()) == "", nil
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2019-06-26 23:45:26 +05:30
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}
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2016-12-22 15:00:52 +05:30
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// CloneRepoOptions options when clone a repository
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2016-11-04 03:46:01 +05:30
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type CloneRepoOptions struct {
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2022-03-19 19:46:38 +05:30
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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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2016-11-04 03:46:01 +05:30
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}
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// Clone clones original repository to target path.
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2022-01-20 04:56:57 +05:30
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func Clone(ctx context.Context, from, to string, opts CloneRepoOptions) error {
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2022-10-23 20:14:45 +05:30
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return CloneWithArgs(ctx, globalCommandArgs, from, to, opts)
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2019-11-27 06:05:52 +05:30
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}
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// CloneWithArgs original repository to target path.
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Refactor git command package to improve security and maintainability (#22678)
This PR follows #21535 (and replace #22592)
## Review without space diff
https://github.com/go-gitea/gitea/pull/22678/files?diff=split&w=1
## Purpose of this PR
1. Make git module command completely safe (risky user inputs won't be
passed as argument option anymore)
2. Avoid low-level mistakes like
https://github.com/go-gitea/gitea/pull/22098#discussion_r1045234918
3. Remove deprecated and dirty `CmdArgCheck` function, hide the `CmdArg`
type
4. Simplify code when using git command
## The main idea of this PR
* Move the `git.CmdArg` to the `internal` package, then no other package
except `git` could use it. Then developers could never do
`AddArguments(git.CmdArg(userInput))` any more.
* Introduce `git.ToTrustedCmdArgs`, it's for user-provided and already
trusted arguments. It's only used in a few cases, for example: use git
arguments from config file, help unit test with some arguments.
* Introduce `AddOptionValues` and `AddOptionFormat`, they make code more
clear and simple:
* Before: `AddArguments("-m").AddDynamicArguments(message)`
* After: `AddOptionValues("-m", message)`
* -
* Before: `AddArguments(git.CmdArg(fmt.Sprintf("--author='%s <%s>'",
sig.Name, sig.Email)))`
* After: `AddOptionFormat("--author='%s <%s>'", sig.Name, sig.Email)`
## FAQ
### Why these changes were not done in #21535 ?
#21535 is mainly a search&replace, it did its best to not change too
much logic.
Making the framework better needs a lot of changes, so this separate PR
is needed as the second step.
### The naming of `AddOptionXxx`
According to git's manual, the `--xxx` part is called `option`.
### How can it guarantee that `internal.CmdArg` won't be not misused?
Go's specification guarantees that. Trying to access other package's
internal package causes compilation error.
And, `golangci-lint` also denies the git/internal package. Only the
`git/command.go` can use it carefully.
### There is still a `ToTrustedCmdArgs`, will it still allow developers
to make mistakes and pass untrusted arguments?
Generally speaking, no. Because when using `ToTrustedCmdArgs`, the code
will be very complex (see the changes for examples). Then developers and
reviewers can know that something might be unreasonable.
### Why there was a `CmdArgCheck` and why it's removed?
At the moment of #21535, to reduce unnecessary changes, `CmdArgCheck`
was introduced as a hacky patch. Now, almost all code could be written
as `cmd := NewCommand(); cmd.AddXxx(...)`, then there is no need for
`CmdArgCheck` anymore.
### Why many codes for `signArg == ""` is deleted?
Because in the old code, `signArg` could never be empty string, it's
either `-S[key-id]` or `--no-gpg-sign`. So the `signArg == ""` is just
dead code.
---------
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2023-02-04 08:00:43 +05:30
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func CloneWithArgs(ctx context.Context, args TrustedCmdArgs, from, to string, opts CloneRepoOptions) (err error) {
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2016-11-04 03:46:01 +05:30
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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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2020-12-03 00:06:06 +05:30
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cmd := NewCommandContextNoGlobals(ctx, args...).AddArguments("clone")
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2022-03-19 19:46:38 +05:30
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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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2016-11-04 03:46:01 +05:30
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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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2019-05-11 20:59:17 +05:30
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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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2019-11-30 12:24:47 +05:30
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if opts.Depth > 0 {
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2022-10-23 20:14:45 +05:30
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cmd.AddArguments("--depth").AddDynamicArguments(strconv.Itoa(opts.Depth))
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2019-11-30 12:24:47 +05:30
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}
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2022-01-24 02:49:32 +05:30
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if opts.Filter != "" {
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2022-10-23 20:14:45 +05:30
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cmd.AddArguments("--filter").AddDynamicArguments(opts.Filter)
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2022-01-24 02:49:32 +05:30
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}
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2016-11-04 03:46:01 +05:30
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if len(opts.Branch) > 0 {
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2022-10-23 20:14:45 +05:30
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cmd.AddArguments("-b").AddDynamicArguments(opts.Branch)
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2016-11-04 03:46:01 +05:30
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}
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2022-10-23 20:14:45 +05:30
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cmd.AddDashesAndList(from, to)
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2016-11-04 03:46:01 +05:30
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2022-03-27 17:24:09 +05:30
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if strings.Contains(from, "://") && strings.Contains(from, "@") {
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2022-03-31 07:55:40 +05:30
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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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2022-03-27 17:24:09 +05:30
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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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2016-11-04 03:46:01 +05:30
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if opts.Timeout <= 0 {
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opts.Timeout = -1
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}
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2022-01-20 23:16:10 +05:30
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envs := os.Environ()
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2021-08-18 18:40:39 +05:30
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u, err := url.Parse(from)
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2023-02-11 06:09:50 +05:30
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if err == nil {
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envs = proxy.EnvWithProxy(u)
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2021-08-18 18:40:39 +05:30
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}
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2022-01-20 23:16:10 +05:30
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stderr := new(bytes.Buffer)
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2022-04-01 08:25:30 +05:30
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if err = cmd.Run(&RunOpts{
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2021-08-18 18:40:39 +05:30
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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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2016-11-04 03:46:01 +05:30
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}
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2017-05-30 15:02:01 +05:30
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// PushOptions options when push to remote
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type PushOptions struct {
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2021-06-14 22:50:43 +05:30
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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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2017-05-30 15:02:01 +05:30
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}
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2016-11-04 03:46:01 +05:30
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// Push pushs local commits to given remote branch.
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2021-12-01 01:36:32 +05:30
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func Push(ctx context.Context, repoPath string, opts PushOptions) error {
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2022-02-07 00:31:47 +05:30
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cmd := NewCommand(ctx, "push")
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2017-05-30 15:02:01 +05:30
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if opts.Force {
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cmd.AddArguments("-f")
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}
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2021-06-14 22:50:43 +05:30
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if opts.Mirror {
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cmd.AddArguments("--mirror")
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}
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2022-10-23 20:14:45 +05:30
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remoteBranchArgs := []string{opts.Remote}
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2021-06-14 22:50:43 +05:30
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if len(opts.Branch) > 0 {
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2022-10-23 20:14:45 +05:30
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remoteBranchArgs = append(remoteBranchArgs, opts.Branch)
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2021-06-14 22:50:43 +05:30
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}
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2022-10-23 20:14:45 +05:30
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cmd.AddDashesAndList(remoteBranchArgs...)
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2022-03-27 17:24:09 +05:30
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if strings.Contains(opts.Remote, "://") && strings.Contains(opts.Remote, "@") {
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2022-03-31 07:55:40 +05:30
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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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2022-03-27 17:24:09 +05:30
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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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2020-03-28 09:43:18 +05:30
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2023-04-14 04:47:27 +05:30
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stdout, stderr, err := cmd.RunStdString(&RunOpts{Env: opts.Env, Timeout: opts.Timeout, Dir: repoPath})
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2020-03-28 09:43:18 +05:30
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if err != nil {
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2023-04-14 04:47:27 +05:30
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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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2020-03-28 09:43:18 +05:30
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err.GenerateMessage()
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return err
|
2023-04-14 04:47:27 +05:30
|
|
|
} else if strings.Contains(stderr, "matches more than one") {
|
|
|
|
return &ErrMoreThanOne{StdOut: stdout, StdErr: stderr, Err: err}
|
2020-03-28 09:43:18 +05:30
|
|
|
}
|
2023-04-14 04:47:27 +05:30
|
|
|
return fmt.Errorf("push failed: %w - %s\n%s", err, stderr, stdout)
|
2020-03-28 09:43:18 +05:30
|
|
|
}
|
|
|
|
|
2023-04-14 04:47:27 +05:30
|
|
|
return nil
|
2016-11-04 03:46:01 +05:30
|
|
|
}
|
|
|
|
|
2017-05-30 15:02:01 +05:30
|
|
|
// GetLatestCommitTime returns time for latest commit in repository (across all branches)
|
2022-01-20 04:56:57 +05:30
|
|
|
func GetLatestCommitTime(ctx context.Context, repoPath string) (time.Time, error) {
|
2022-02-07 00:31:47 +05:30
|
|
|
cmd := NewCommand(ctx, "for-each-ref", "--sort=-committerdate", BranchPrefix, "--count", "1", "--format=%(committerdate)")
|
2022-04-01 08:25:30 +05:30
|
|
|
stdout, _, err := cmd.RunStdString(&RunOpts{Dir: repoPath})
|
2017-05-30 15:02:01 +05:30
|
|
|
if err != nil {
|
|
|
|
return time.Time{}, err
|
|
|
|
}
|
|
|
|
commitTime := strings.TrimSpace(stdout)
|
2017-12-11 07:53:34 +05:30
|
|
|
return time.Parse(GitTimeLayout, commitTime)
|
2017-05-30 15:02:01 +05:30
|
|
|
}
|
2019-05-05 21:55:25 +05:30
|
|
|
|
|
|
|
// DivergeObject represents commit count diverging commits
|
|
|
|
type DivergeObject struct {
|
|
|
|
Ahead int
|
|
|
|
Behind int
|
|
|
|
}
|
|
|
|
|
2023-05-04 10:38:41 +05:30
|
|
|
// GetDivergingCommits returns the number of commits a targetBranch is ahead or behind a baseBranch
|
|
|
|
func GetDivergingCommits(ctx context.Context, repoPath, baseBranch, targetBranch string) (do DivergeObject, err error) {
|
|
|
|
cmd := NewCommand(ctx, "rev-list", "--count", "--left-right").
|
|
|
|
AddDynamicArguments(baseBranch + "..." + targetBranch)
|
2022-04-01 08:25:30 +05:30
|
|
|
stdout, _, err := cmd.RunStdString(&RunOpts{Dir: repoPath})
|
2019-05-05 21:55:25 +05:30
|
|
|
if err != nil {
|
2023-05-04 10:38:41 +05:30
|
|
|
return do, err
|
2019-05-05 21:55:25 +05:30
|
|
|
}
|
2023-05-04 10:38:41 +05:30
|
|
|
left, right, found := strings.Cut(strings.Trim(stdout, "\n"), "\t")
|
|
|
|
if !found {
|
|
|
|
return do, fmt.Errorf("git rev-list output is missing a tab: %q", stdout)
|
2019-05-05 21:55:25 +05:30
|
|
|
}
|
|
|
|
|
2023-05-04 10:38:41 +05:30
|
|
|
do.Behind, err = strconv.Atoi(left)
|
|
|
|
if err != nil {
|
|
|
|
return do, err
|
2019-05-05 21:55:25 +05:30
|
|
|
}
|
2023-05-04 10:38:41 +05:30
|
|
|
do.Ahead, err = strconv.Atoi(right)
|
|
|
|
if err != nil {
|
|
|
|
return do, err
|
2019-05-05 21:55:25 +05:30
|
|
|
}
|
2023-05-04 10:38:41 +05:30
|
|
|
return do, nil
|
2019-05-05 21:55:25 +05:30
|
|
|
}
|
2021-08-24 22:17:09 +05:30
|
|
|
|
|
|
|
// CreateBundle create bundle content to the target path
|
|
|
|
func (repo *Repository) CreateBundle(ctx context.Context, commit string, out io.Writer) error {
|
|
|
|
tmp, err := os.MkdirTemp(os.TempDir(), "gitea-bundle")
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
defer os.RemoveAll(tmp)
|
|
|
|
|
2021-09-26 02:59:25 +05:30
|
|
|
env := append(os.Environ(), "GIT_OBJECT_DIRECTORY="+filepath.Join(repo.Path, "objects"))
|
2022-04-01 08:25:30 +05:30
|
|
|
_, _, err = NewCommand(ctx, "init", "--bare").RunStdString(&RunOpts{Dir: tmp, Env: env})
|
2021-09-26 02:59:25 +05:30
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2022-10-23 20:14:45 +05:30
|
|
|
_, _, err = NewCommand(ctx, "reset", "--soft").AddDynamicArguments(commit).RunStdString(&RunOpts{Dir: tmp, Env: env})
|
2021-09-26 02:59:25 +05:30
|
|
|
if err != nil {
|
|
|
|
return err
|
2021-08-24 22:17:09 +05:30
|
|
|
}
|
2021-09-26 02:59:25 +05:30
|
|
|
|
2022-04-01 08:25:30 +05:30
|
|
|
_, _, err = NewCommand(ctx, "branch", "-m", "bundle").RunStdString(&RunOpts{Dir: tmp, Env: env})
|
2021-09-26 02:59:25 +05:30
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
tmpFile := filepath.Join(tmp, "bundle")
|
2022-10-23 20:14:45 +05:30
|
|
|
_, _, err = NewCommand(ctx, "bundle", "create").AddDynamicArguments(tmpFile, "bundle", "HEAD").RunStdString(&RunOpts{Dir: tmp, Env: env})
|
2021-08-24 22:17:09 +05:30
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
fi, err := os.Open(tmpFile)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
defer fi.Close()
|
|
|
|
|
|
|
|
_, err = io.Copy(out, fi)
|
|
|
|
return err
|
|
|
|
}
|