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gitea-fork-majority-judgment/modules/git/repo.go

288 lines
6.7 KiB

// 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"
"os"
"path"
"path/filepath"
"strings"
"time"
"github.com/Unknwon/com"
)
// Repository represents a Git repository.
type Repository struct {
Path string
commitCache *ObjectCache
tagCache *ObjectCache
}
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()
if err != nil {
return false
}
return true
}
// InitRepository initializes a new Git repository.
func InitRepository(repoPath string, bare bool) error {
os.MkdirAll(repoPath, os.ModePerm)
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")
}
return &Repository{
Path: repoPath,
commitCache: newObjectCache(),
tagCache: newObjectCache(),
}, nil
}
// CloneRepoOptions options when clone a repository
type CloneRepoOptions struct {
Timeout time.Duration
Mirror bool
Bare bool
Quiet bool
Branch string
}
// 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 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)
cmd.AddArguments(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
}
// 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.RunInDir(repoPath)
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)
}