mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-30 06:07:55 +01:00
370 lines
9.1 KiB
Go
370 lines
9.1 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
|
|
// Copyright 2017 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 git
|
|
|
|
import (
|
|
"bytes"
|
|
"container/list"
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/unknwon/com"
|
|
"gopkg.in/src-d/go-billy.v4/osfs"
|
|
gogit "gopkg.in/src-d/go-git.v4"
|
|
"gopkg.in/src-d/go-git.v4/plumbing/cache"
|
|
"gopkg.in/src-d/go-git.v4/storage/filesystem"
|
|
)
|
|
|
|
// Repository represents a Git repository.
|
|
type Repository struct {
|
|
Path string
|
|
|
|
tagCache *ObjectCache
|
|
|
|
gogitRepo *gogit.Repository
|
|
gogitStorage *filesystem.Storage
|
|
}
|
|
|
|
const prettyLogFormat = `--pretty=format:%H`
|
|
|
|
func (repo *Repository) parsePrettyFormatLogToList(logs []byte) (*list.List, error) {
|
|
l := list.New()
|
|
if len(logs) == 0 {
|
|
return l, nil
|
|
}
|
|
|
|
parts := bytes.Split(logs, []byte{'\n'})
|
|
|
|
for _, commitID := range parts {
|
|
commit, err := repo.GetCommit(string(commitID))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
l.PushBack(commit)
|
|
}
|
|
|
|
return l, nil
|
|
}
|
|
|
|
// IsRepoURLAccessible checks if given repository URL is accessible.
|
|
func IsRepoURLAccessible(url string) bool {
|
|
_, err := NewCommand("ls-remote", "-q", "-h", url, "HEAD").Run()
|
|
return err == nil
|
|
}
|
|
|
|
// InitRepository initializes a new Git repository.
|
|
func InitRepository(repoPath string, bare bool) error {
|
|
err := os.MkdirAll(repoPath, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cmd := NewCommand("init")
|
|
if bare {
|
|
cmd.AddArguments("--bare")
|
|
}
|
|
_, err = cmd.RunInDir(repoPath)
|
|
return err
|
|
}
|
|
|
|
// OpenRepository opens the repository at the given path.
|
|
func OpenRepository(repoPath string) (*Repository, error) {
|
|
repoPath, err := filepath.Abs(repoPath)
|
|
if err != nil {
|
|
return nil, err
|
|
} else if !isDir(repoPath) {
|
|
return nil, errors.New("no such file or directory")
|
|
}
|
|
|
|
fs := osfs.New(repoPath)
|
|
_, err = fs.Stat(".git")
|
|
if err == nil {
|
|
fs, err = fs.Chroot(".git")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
storage := filesystem.NewStorageWithOptions(fs, cache.NewObjectLRUDefault(), filesystem.Options{KeepDescriptors: true})
|
|
gogitRepo, err := gogit.Open(storage, fs)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Repository{
|
|
Path: repoPath,
|
|
gogitRepo: gogitRepo,
|
|
gogitStorage: storage,
|
|
tagCache: newObjectCache(),
|
|
}, nil
|
|
}
|
|
|
|
// IsEmpty Check if repository is empty.
|
|
func (repo *Repository) IsEmpty() (bool, error) {
|
|
var errbuf strings.Builder
|
|
if err := NewCommand("log", "-1").RunInDirPipeline(repo.Path, nil, &errbuf); err != nil {
|
|
if strings.Contains(errbuf.String(), "fatal: bad default revision 'HEAD'") ||
|
|
strings.Contains(errbuf.String(), "fatal: your current branch 'master' does not have any commits yet") {
|
|
return true, nil
|
|
}
|
|
return true, fmt.Errorf("check empty: %v - %s", err, errbuf.String())
|
|
}
|
|
|
|
return false, nil
|
|
}
|
|
|
|
// CloneRepoOptions options when clone a repository
|
|
type CloneRepoOptions struct {
|
|
Timeout time.Duration
|
|
Mirror bool
|
|
Bare bool
|
|
Quiet bool
|
|
Branch string
|
|
Shared bool
|
|
NoCheckout bool
|
|
}
|
|
|
|
// Clone clones original repository to target path.
|
|
func Clone(from, to string, opts CloneRepoOptions) (err error) {
|
|
toDir := path.Dir(to)
|
|
if err = os.MkdirAll(toDir, os.ModePerm); err != nil {
|
|
return err
|
|
}
|
|
|
|
cmd := NewCommand("clone")
|
|
if opts.Mirror {
|
|
cmd.AddArguments("--mirror")
|
|
}
|
|
if opts.Bare {
|
|
cmd.AddArguments("--bare")
|
|
}
|
|
if opts.Quiet {
|
|
cmd.AddArguments("--quiet")
|
|
}
|
|
if opts.Shared {
|
|
cmd.AddArguments("-s")
|
|
}
|
|
if opts.NoCheckout {
|
|
cmd.AddArguments("--no-checkout")
|
|
}
|
|
|
|
if len(opts.Branch) > 0 {
|
|
cmd.AddArguments("-b", opts.Branch)
|
|
}
|
|
cmd.AddArguments("--", from, to)
|
|
|
|
if opts.Timeout <= 0 {
|
|
opts.Timeout = -1
|
|
}
|
|
|
|
_, err = cmd.RunTimeout(opts.Timeout)
|
|
return err
|
|
}
|
|
|
|
// PullRemoteOptions options when pull from remote
|
|
type PullRemoteOptions struct {
|
|
Timeout time.Duration
|
|
All bool
|
|
Rebase bool
|
|
Remote string
|
|
Branch string
|
|
}
|
|
|
|
// Pull pulls changes from remotes.
|
|
func Pull(repoPath string, opts PullRemoteOptions) error {
|
|
cmd := NewCommand("pull")
|
|
if opts.Rebase {
|
|
cmd.AddArguments("--rebase")
|
|
}
|
|
if opts.All {
|
|
cmd.AddArguments("--all")
|
|
} else {
|
|
cmd.AddArguments("--", opts.Remote, opts.Branch)
|
|
}
|
|
|
|
if opts.Timeout <= 0 {
|
|
opts.Timeout = -1
|
|
}
|
|
|
|
_, err := cmd.RunInDirTimeout(opts.Timeout, repoPath)
|
|
return err
|
|
}
|
|
|
|
// PushOptions options when push to remote
|
|
type PushOptions struct {
|
|
Remote string
|
|
Branch string
|
|
Force bool
|
|
Env []string
|
|
}
|
|
|
|
// Push pushs local commits to given remote branch.
|
|
func Push(repoPath string, opts PushOptions) error {
|
|
cmd := NewCommand("push")
|
|
if opts.Force {
|
|
cmd.AddArguments("-f")
|
|
}
|
|
cmd.AddArguments("--", opts.Remote, opts.Branch)
|
|
_, err := cmd.RunInDirWithEnv(repoPath, opts.Env)
|
|
return err
|
|
}
|
|
|
|
// CheckoutOptions options when heck out some branch
|
|
type CheckoutOptions struct {
|
|
Timeout time.Duration
|
|
Branch string
|
|
OldBranch string
|
|
}
|
|
|
|
// Checkout checkouts a branch
|
|
func Checkout(repoPath string, opts CheckoutOptions) error {
|
|
cmd := NewCommand("checkout")
|
|
if len(opts.OldBranch) > 0 {
|
|
cmd.AddArguments("-b")
|
|
}
|
|
|
|
if opts.Timeout <= 0 {
|
|
opts.Timeout = -1
|
|
}
|
|
|
|
cmd.AddArguments(opts.Branch)
|
|
|
|
if len(opts.OldBranch) > 0 {
|
|
cmd.AddArguments(opts.OldBranch)
|
|
}
|
|
|
|
_, err := cmd.RunInDirTimeout(opts.Timeout, repoPath)
|
|
return err
|
|
}
|
|
|
|
// ResetHEAD resets HEAD to given revision or head of branch.
|
|
func ResetHEAD(repoPath string, hard bool, revision string) error {
|
|
cmd := NewCommand("reset")
|
|
if hard {
|
|
cmd.AddArguments("--hard")
|
|
}
|
|
_, err := cmd.AddArguments(revision).RunInDir(repoPath)
|
|
return err
|
|
}
|
|
|
|
// MoveFile moves a file to another file or directory.
|
|
func MoveFile(repoPath, oldTreeName, newTreeName string) error {
|
|
_, err := NewCommand("mv").AddArguments(oldTreeName, newTreeName).RunInDir(repoPath)
|
|
return err
|
|
}
|
|
|
|
// CountObject represents repository count objects report
|
|
type CountObject struct {
|
|
Count int64
|
|
Size int64
|
|
InPack int64
|
|
Packs int64
|
|
SizePack int64
|
|
PrunePack int64
|
|
Garbage int64
|
|
SizeGarbage int64
|
|
}
|
|
|
|
const (
|
|
statCount = "count: "
|
|
statSize = "size: "
|
|
statInpack = "in-pack: "
|
|
statPacks = "packs: "
|
|
statSizePack = "size-pack: "
|
|
statPrunePackage = "prune-package: "
|
|
statGarbage = "garbage: "
|
|
statSizeGarbage = "size-garbage: "
|
|
)
|
|
|
|
// GetRepoSize returns disk consumption for repo in path
|
|
func GetRepoSize(repoPath string) (*CountObject, error) {
|
|
cmd := NewCommand("count-objects", "-v")
|
|
stdout, err := cmd.RunInDir(repoPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return parseSize(stdout), nil
|
|
}
|
|
|
|
// parseSize parses the output from count-objects and return a CountObject
|
|
func parseSize(objects string) *CountObject {
|
|
repoSize := new(CountObject)
|
|
for _, line := range strings.Split(objects, "\n") {
|
|
switch {
|
|
case strings.HasPrefix(line, statCount):
|
|
repoSize.Count = com.StrTo(line[7:]).MustInt64()
|
|
case strings.HasPrefix(line, statSize):
|
|
repoSize.Size = com.StrTo(line[6:]).MustInt64() * 1024
|
|
case strings.HasPrefix(line, statInpack):
|
|
repoSize.InPack = com.StrTo(line[9:]).MustInt64()
|
|
case strings.HasPrefix(line, statPacks):
|
|
repoSize.Packs = com.StrTo(line[7:]).MustInt64()
|
|
case strings.HasPrefix(line, statSizePack):
|
|
repoSize.SizePack = com.StrTo(line[11:]).MustInt64() * 1024
|
|
case strings.HasPrefix(line, statPrunePackage):
|
|
repoSize.PrunePack = com.StrTo(line[16:]).MustInt64()
|
|
case strings.HasPrefix(line, statGarbage):
|
|
repoSize.Garbage = com.StrTo(line[9:]).MustInt64()
|
|
case strings.HasPrefix(line, statSizeGarbage):
|
|
repoSize.SizeGarbage = com.StrTo(line[14:]).MustInt64() * 1024
|
|
}
|
|
}
|
|
return repoSize
|
|
}
|
|
|
|
// GetLatestCommitTime returns time for latest commit in repository (across all branches)
|
|
func GetLatestCommitTime(repoPath string) (time.Time, error) {
|
|
cmd := NewCommand("for-each-ref", "--sort=-committerdate", "refs/heads/", "--count", "1", "--format=%(committerdate)")
|
|
stdout, err := cmd.RunInDir(repoPath)
|
|
if err != nil {
|
|
return time.Time{}, err
|
|
}
|
|
commitTime := strings.TrimSpace(stdout)
|
|
return time.Parse(GitTimeLayout, commitTime)
|
|
}
|
|
|
|
// DivergeObject represents commit count diverging commits
|
|
type DivergeObject struct {
|
|
Ahead int
|
|
Behind int
|
|
}
|
|
|
|
func checkDivergence(repoPath string, baseBranch string, targetBranch string) (int, error) {
|
|
branches := fmt.Sprintf("%s..%s", baseBranch, targetBranch)
|
|
cmd := NewCommand("rev-list", "--count", branches)
|
|
stdout, err := cmd.RunInDir(repoPath)
|
|
if err != nil {
|
|
return -1, err
|
|
}
|
|
outInteger, errInteger := strconv.Atoi(strings.Trim(stdout, "\n"))
|
|
if errInteger != nil {
|
|
return -1, errInteger
|
|
}
|
|
return outInteger, nil
|
|
}
|
|
|
|
// GetDivergingCommits returns the number of commits a targetBranch is ahead or behind a baseBranch
|
|
func GetDivergingCommits(repoPath string, baseBranch string, targetBranch string) (DivergeObject, error) {
|
|
// $(git rev-list --count master..feature) commits ahead of master
|
|
ahead, errorAhead := checkDivergence(repoPath, baseBranch, targetBranch)
|
|
if errorAhead != nil {
|
|
return DivergeObject{}, errorAhead
|
|
}
|
|
|
|
// $(git rev-list --count feature..master) commits behind master
|
|
behind, errorBehind := checkDivergence(repoPath, targetBranch, baseBranch)
|
|
if errorBehind != nil {
|
|
return DivergeObject{}, errorBehind
|
|
}
|
|
|
|
return DivergeObject{ahead, behind}, nil
|
|
}
|