gitroast/models/repo.go

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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
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package models
import (
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"errors"
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"fmt"
"io/ioutil"
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"os"
"path/filepath"
"strings"
"time"
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"unicode/utf8"
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"github.com/Unknwon/com"
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git "github.com/libgit2/git2go"
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"github.com/gogits/gogs/modules/base"
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"github.com/gogits/gogs/modules/log"
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)
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type Repository struct {
Id int64
OwnerId int64 `xorm:"unique(s)"`
ForkId int64
LowerName string `xorm:"unique(s) index not null"`
Name string `xorm:"index not null"`
Description string
Private bool
NumWatchs int
NumStars int
NumForks int
Created time.Time `xorm:"created"`
Updated time.Time `xorm:"updated"`
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}
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type Star struct {
Id int64
RepoId int64
UserId int64
Created time.Time `xorm:"created"`
}
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var (
LanguageIgns, Licenses []string
)
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var (
ErrRepoAlreadyExist = errors.New("Repository already exist")
ErrRepoNotExist = errors.New("Repository does not exist")
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)
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func init() {
LanguageIgns = strings.Split(base.Cfg.MustValue("repository", "LANG_IGNS"), "|")
Licenses = strings.Split(base.Cfg.MustValue("repository", "LICENSES"), "|")
}
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// check if repository is exist
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func IsRepositoryExist(user *User, repoName string) (bool, error) {
repo := Repository{OwnerId: user.Id}
has, err := orm.Where("lower_name = ?", strings.ToLower(repoName)).Get(&repo)
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if err != nil {
return has, err
}
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s, err := os.Stat(RepoPath(user.Name, repoName))
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if err != nil {
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return false, nil
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}
return s.IsDir(), nil
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}
// CreateRepository creates a repository for given user or orgnaziation.
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func CreateRepository(user *User, repoName, desc, repoLang, license string, private bool, initReadme bool) (*Repository, error) {
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isExist, err := IsRepositoryExist(user, repoName)
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if err != nil {
return nil, err
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} else if isExist {
return nil, ErrRepoAlreadyExist
}
repo := &Repository{
OwnerId: user.Id,
Name: repoName,
LowerName: strings.ToLower(repoName),
Description: desc,
Private: private,
}
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f := RepoPath(user.Name, repoName)
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if err = initRepository(f, user, repo, initReadme, repoLang, license); err != nil {
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return nil, err
}
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session := orm.NewSession()
defer session.Close()
session.Begin()
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if _, err = session.Insert(repo); err != nil {
if err2 := os.RemoveAll(f); err2 != nil {
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return nil, errors.New(fmt.Sprintf(
"delete repo directory %s/%s failed", user.Name, repoName))
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}
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session.Rollback()
return nil, err
}
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access := Access{
UserName: user.Name,
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RepoName: repo.Name,
Mode: AU_WRITABLE,
}
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if _, err = session.Insert(&access); err != nil {
session.Rollback()
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if err2 := os.RemoveAll(f); err2 != nil {
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return nil, errors.New(fmt.Sprintf(
"delete repo directory %s/%s failed", user.Name, repoName))
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}
return nil, err
}
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if _, err = session.Exec("update user set num_repos = num_repos + 1 where id = ?", user.Id); err != nil {
session.Rollback()
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if err2 := os.RemoveAll(f); err2 != nil {
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return nil, errors.New(fmt.Sprintf(
"delete repo directory %s/%s failed", user.Name, repoName))
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}
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return nil, err
}
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if err = session.Commit(); err != nil {
session.Rollback()
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if err2 := os.RemoveAll(f); err2 != nil {
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return nil, errors.New(fmt.Sprintf(
"delete repo directory %s/%s failed", user.Name, repoName))
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}
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return nil, err
}
return repo, NewRepoAction(user, repo)
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}
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// InitRepository initializes README and .gitignore if needed.
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func initRepository(f string, user *User, repo *Repository, initReadme bool, repoLang, license string) error {
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fileName := map[string]string{}
if initReadme {
fileName["readme"] = "README.md"
}
if repoLang != "" {
fileName["gitign"] = ".gitignore"
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}
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if license != "" {
fileName["license"] = "LICENSE"
}
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workdir := filepath.Join(os.TempDir(), fmt.Sprintf("%d", time.Now().Nanosecond()))
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os.MkdirAll(workdir, os.ModePerm)
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sig := user.NewGitSig()
// README
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if initReadme {
defaultReadme := repo.Name + "\n" + strings.Repeat("=",
utf8.RuneCountInString(repo.Name)) + "\n\n" + repo.Description
if err := ioutil.WriteFile(filepath.Join(workdir, fileName["readme"]),
[]byte(defaultReadme), 0644); err != nil {
return err
}
}
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if repoLang != "" {
// .gitignore
filePath := "conf/gitignore/" + repoLang
if com.IsFile(filePath) {
if _, err := com.Copy(filePath,
filepath.Join(workdir, fileName["gitign"])); err != nil {
return err
}
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}
}
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if license != "" {
// LICENSE
filePath := "conf/license/" + license
if com.IsFile(filePath) {
if _, err := com.Copy(filePath,
filepath.Join(workdir, fileName["license"])); err != nil {
return err
}
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}
}
rp, err := git.InitRepository(f, true)
if err != nil {
return err
}
rp.SetWorkdir(workdir, false)
idx, err := rp.Index()
if err != nil {
return err
}
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for _, name := range fileName {
if err = idx.AddByPath(name); err != nil {
return err
}
}
treeId, err := idx.WriteTree()
if err != nil {
return err
}
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message := "Init commit"
tree, err := rp.LookupTree(treeId)
if err != nil {
return err
}
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if _, err = rp.CreateCommit("HEAD", sig, sig, message, tree); err != nil {
return err
}
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return nil
}
func GetRepositoryByName(user *User, repoName string) (*Repository, error) {
repo := &Repository{
OwnerId: user.Id,
LowerName: strings.ToLower(repoName),
}
has, err := orm.Get(repo)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoNotExist
}
return repo, err
}
func GetRepositoryById(id int64) (repo *Repository, err error) {
has, err := orm.Id(id).Get(repo)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoNotExist
}
return repo, err
}
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// GetRepositories returns the list of repositories of given user.
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func GetRepositories(user *User) ([]Repository, error) {
repos := make([]Repository, 0, 10)
err := orm.Find(&repos, &Repository{OwnerId: user.Id})
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return repos, err
}
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func GetRepositoryCount(user *User) (int64, error) {
return orm.Count(&Repository{OwnerId: user.Id})
}
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const (
RFile = iota + 1
RDir
)
type RepoFile struct {
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Type int
Name string
Message string
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Created time.Time
}
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func (f *RepoFile) IsFile() bool {
return f.Type == git.FilemodeBlob || f.Type == git.FilemodeBlobExecutable
}
func (f *RepoFile) IsDir() bool {
return f.Type == git.FilemodeTree
}
func GetReposFiles(userName, reposName, treeName, rpath string) ([]*RepoFile, error) {
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f := RepoPath(userName, reposName)
repo, err := git.OpenRepository(f)
if err != nil {
return nil, err
}
obj, err := repo.RevparseSingle("HEAD")
if err != nil {
return nil, err
}
lastCommit := obj.(*git.Commit)
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var repofiles []*RepoFile
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tree, err := lastCommit.Tree()
if err != nil {
return nil, err
}
var i uint64 = 0
for ; i < tree.EntryCount(); i++ {
entry := tree.EntryByIndex(i)
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repofiles = append(repofiles, &RepoFile{
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entry.Filemode,
entry.Name,
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lastCommit.Message(),
lastCommit.Committer().When,
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})
}
return repofiles, nil
}
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func StarReposiory(user *User, repoName string) error {
return nil
}
func UnStarRepository() {
}
func WatchRepository() {
}
func UnWatchRepository() {
}
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func ForkRepository(reposName string, userId int64) {
}
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func RepoPath(userName, repoName string) string {
return filepath.Join(UserPath(userName), repoName+".git")
}
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// DeleteRepository deletes a repository for a user or orgnaztion.
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func DeleteRepository(userId, repoId int64, userName string) (err error) {
repo := &Repository{Id: repoId, OwnerId: userId}
has, err := orm.Get(repo)
if err != nil {
return err
} else if !has {
return ErrRepoNotExist
}
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session := orm.NewSession()
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if _, err = session.Delete(&Repository{Id: repoId}); err != nil {
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session.Rollback()
return err
}
if _, err := session.Delete(&Access{UserName: userName, RepoName: repo.Name}); err != nil {
session.Rollback()
return err
}
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if _, err = session.Exec("update user set num_repos = num_repos - 1 where id = ?", userId); err != nil {
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session.Rollback()
return err
}
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if err = session.Commit(); err != nil {
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session.Rollback()
return err
}
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if err = os.RemoveAll(RepoPath(userName, repo.Name)); err != nil {
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// TODO: log and delete manully
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log.Error("delete repo %s/%s failed", userName, repo.Name)
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return err
}
return nil
}