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forgejo/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"
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"os/exec"
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"path"
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"path/filepath"
"strings"
"time"
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"unicode/utf8"
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"github.com/Unknwon/cae/zip"
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"github.com/Unknwon/com"
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"github.com/gogits/git"
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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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var (
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ErrRepoAlreadyExist = errors.New("Repository already exist")
ErrRepoNotExist = errors.New("Repository does not exist")
ErrRepoFileNotExist = errors.New("Target Repo file does not exist")
ErrRepoNameIllegal = errors.New("Repository name contains illegal characters")
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ErrRepoFileNotLoaded = errors.New("repo file not loaded")
ErrMirrorNotExist = errors.New("Mirror does not exist")
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)
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var (
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LanguageIgns, Licenses []string
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)
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func LoadRepoConfig() {
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LanguageIgns = strings.Split(base.Cfg.MustValue("repository", "LANG_IGNS"), "|")
Licenses = strings.Split(base.Cfg.MustValue("repository", "LICENSES"), "|")
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}
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func NewRepoContext() {
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zip.Verbose = false
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// Check if server has basic git setting.
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stdout, stderr, err := com.ExecCmd("git", "config", "--get", "user.name")
if strings.Contains(stderr, "fatal:") {
fmt.Printf("repo.NewRepoContext(fail to get git user.name): %s", stderr)
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os.Exit(2)
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} else if err != nil || len(strings.TrimSpace(stdout)) == 0 {
if _, stderr, err = com.ExecCmd("git", "config", "--global", "user.email", "gogitservice@gmail.com"); err != nil {
fmt.Printf("repo.NewRepoContext(fail to set git user.email): %s", stderr)
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os.Exit(2)
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} else if _, stderr, err = com.ExecCmd("git", "config", "--global", "user.name", "Gogs"); err != nil {
fmt.Printf("repo.NewRepoContext(fail to set git user.name): %s", stderr)
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os.Exit(2)
}
}
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}
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// Repository represents a git repository.
type Repository struct {
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Id int64
OwnerId int64 `xorm:"unique(s)"`
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Owner *User `xorm:"-"`
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ForkId int64
LowerName string `xorm:"unique(s) index not null"`
Name string `xorm:"index not null"`
Description string
Website string
NumWatches int
NumStars int
NumForks int
NumIssues int
NumClosedIssues int
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NumOpenIssues int `xorm:"-"`
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NumTags int `xorm:"-"`
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IsPrivate bool
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IsMirror bool
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IsBare bool
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IsGoget bool
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DefaultBranch string
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Created time.Time `xorm:"created"`
Updated time.Time `xorm:"updated"`
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}
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func (repo *Repository) GetOwner() (err error) {
repo.Owner, err = GetUserById(repo.OwnerId)
return err
}
// IsRepositoryExist returns true if the repository with given name under user has already existed.
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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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} else if !has {
return false, nil
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}
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return com.IsDir(RepoPath(user.Name, repoName)), nil
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}
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var (
illegalEquals = []string{"raw", "install", "api", "avatar", "user", "help", "stars", "issues", "pulls", "commits", "repo", "template", "admin"}
illegalSuffixs = []string{".git"}
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)
// IsLegalName returns false if name contains illegal characters.
func IsLegalName(repoName string) bool {
repoName = strings.ToLower(repoName)
for _, char := range illegalEquals {
if repoName == char {
return false
}
}
for _, char := range illegalSuffixs {
if strings.HasSuffix(repoName, char) {
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return false
}
}
return true
}
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// Mirror represents a mirror information of repository.
type Mirror struct {
Id int64
RepoId int64
RepoName string // <user name>/<repo name>
Interval int // Hour.
Updated time.Time `xorm:"UPDATED"`
NextUpdate time.Time
}
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func GetMirror(repoId int64) (*Mirror, error) {
m := &Mirror{RepoId: repoId}
has, err := orm.Get(m)
if err != nil {
return nil, err
} else if !has {
return nil, ErrMirrorNotExist
}
return m, nil
}
func UpdateMirror(m *Mirror) error {
_, err := orm.Id(m.Id).Update(m)
return err
}
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// MirrorUpdate checks and updates mirror repositories.
func MirrorUpdate() {
if err := orm.Iterate(new(Mirror), func(idx int, bean interface{}) error {
m := bean.(*Mirror)
if m.NextUpdate.After(time.Now()) {
return nil
}
repoPath := filepath.Join(base.RepoRootPath, m.RepoName+".git")
_, stderr, err := com.ExecCmdDir(repoPath, "git", "remote", "update")
if err != nil {
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return errors.New("git remote update: " + stderr)
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} else if err = git.UnpackRefs(repoPath); err != nil {
return err
}
m.NextUpdate = time.Now().Add(time.Duration(m.Interval) * time.Hour)
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return UpdateMirror(m)
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}); err != nil {
log.Error("repo.MirrorUpdate: %v", err)
}
}
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// MirrorRepository creates a mirror repository from source.
func MirrorRepository(repoId int64, userName, repoName, repoPath, url string) error {
_, stderr, err := com.ExecCmd("git", "clone", "--mirror", url, repoPath)
if err != nil {
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return errors.New("git clone --mirror: " + stderr)
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}
if _, err = orm.InsertOne(&Mirror{
RepoId: repoId,
RepoName: strings.ToLower(userName + "/" + repoName),
Interval: 24,
NextUpdate: time.Now().Add(24 * time.Hour),
}); err != nil {
return err
}
return git.UnpackRefs(repoPath)
}
// MigrateRepository migrates a existing repository from other project hosting.
func MigrateRepository(user *User, name, desc string, private, mirror bool, url string) (*Repository, error) {
repo, err := CreateRepository(user, name, desc, "", "", private, mirror, false)
if err != nil {
return nil, err
}
// Clone to temprory path and do the init commit.
tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("%d", time.Now().Nanosecond()))
os.MkdirAll(tmpDir, os.ModePerm)
repoPath := RepoPath(user.Name, name)
repo.IsBare = false
if mirror {
if err = MirrorRepository(repo.Id, user.Name, repo.Name, repoPath, url); err != nil {
return repo, err
}
repo.IsMirror = true
return repo, UpdateRepository(repo)
}
// Clone from local repository.
_, stderr, err := com.ExecCmd("git", "clone", repoPath, tmpDir)
if err != nil {
return repo, errors.New("git clone: " + stderr)
}
// Pull data from source.
_, stderr, err = com.ExecCmdDir(tmpDir, "git", "pull", url)
if err != nil {
return repo, errors.New("git pull: " + stderr)
}
// Push data to local repository.
if _, stderr, err = com.ExecCmdDir(tmpDir, "git", "push", "origin", "master"); err != nil {
return repo, errors.New("git push: " + stderr)
}
return repo, UpdateRepository(repo)
}
// CreateRepository creates a repository for given user or orgnaziation.
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func CreateRepository(user *User, name, desc, lang, license string, private, mirror, initReadme bool) (*Repository, error) {
if !IsLegalName(name) {
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return nil, ErrRepoNameIllegal
}
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isExist, err := IsRepositoryExist(user, name)
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if err != nil {
return nil, err
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} else if isExist {
return nil, ErrRepoAlreadyExist
}
repo := &Repository{
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OwnerId: user.Id,
Name: name,
LowerName: strings.ToLower(name),
Description: desc,
IsPrivate: private,
IsBare: lang == "" && license == "" && !initReadme,
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}
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if !repo.IsBare {
repo.DefaultBranch = "master"
}
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repoPath := RepoPath(user.Name, repo.Name)
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sess := orm.NewSession()
defer sess.Close()
sess.Begin()
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if _, err = sess.Insert(repo); err != nil {
if err2 := os.RemoveAll(repoPath); err2 != nil {
log.Error("repo.CreateRepository(repo): %v", err)
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return nil, errors.New(fmt.Sprintf(
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"delete repo directory %s/%s failed(1): %v", user.Name, repo.Name, err2))
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}
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sess.Rollback()
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return nil, err
}
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mode := AU_WRITABLE
if mirror {
mode = AU_READABLE
}
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access := Access{
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UserName: user.LowerName,
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RepoName: strings.ToLower(path.Join(user.Name, repo.Name)),
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Mode: mode,
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}
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if _, err = sess.Insert(&access); err != nil {
sess.Rollback()
if err2 := os.RemoveAll(repoPath); err2 != nil {
log.Error("repo.CreateRepository(access): %v", err)
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return nil, errors.New(fmt.Sprintf(
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"delete repo directory %s/%s failed(2): %v", user.Name, repo.Name, err2))
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}
return nil, err
}
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rawSql := "UPDATE `user` SET num_repos = num_repos + 1 WHERE id = ?"
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if _, err = sess.Exec(rawSql, user.Id); err != nil {
sess.Rollback()
if err2 := os.RemoveAll(repoPath); err2 != nil {
log.Error("repo.CreateRepository(repo count): %v", err)
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return nil, errors.New(fmt.Sprintf(
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"delete repo directory %s/%s failed(3): %v", user.Name, repo.Name, err2))
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}
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return nil, err
}
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if err = sess.Commit(); err != nil {
sess.Rollback()
if err2 := os.RemoveAll(repoPath); err2 != nil {
log.Error("repo.CreateRepository(commit): %v", err)
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return nil, errors.New(fmt.Sprintf(
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"delete repo directory %s/%s failed(3): %v", user.Name, repo.Name, err2))
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}
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return nil, err
}
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if err = WatchRepo(user.Id, repo.Id, true); err != nil {
log.Error("repo.CreateRepository(WatchRepo): %v", err)
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}
if err = NewRepoAction(user, repo); err != nil {
log.Error("repo.CreateRepository(NewRepoAction): %v", err)
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}
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// No need for init for mirror.
if mirror {
return repo, nil
}
if err = initRepository(repoPath, user, repo, initReadme, lang, license); err != nil {
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return nil, err
}
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c := exec.Command("git", "update-server-info")
c.Dir = repoPath
if err = c.Run(); err != nil {
log.Error("repo.CreateRepository(exec update-server-info): %v", err)
}
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return repo, nil
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}
// extractGitBareZip extracts git-bare.zip to repository path.
func extractGitBareZip(repoPath string) error {
z, err := zip.Open("conf/content/git-bare.zip")
if err != nil {
return err
}
defer z.Close()
return z.ExtractTo(repoPath)
}
// initRepoCommit temporarily changes with work directory.
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func initRepoCommit(tmpPath string, sig *git.Signature) (err error) {
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var stderr string
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if _, stderr, err = com.ExecCmdDir(tmpPath, "git", "add", "--all"); err != nil {
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return errors.New("git add: " + stderr)
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}
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if _, stderr, err = com.ExecCmdDir(tmpPath, "git", "commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
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"-m", "Init commit"); err != nil {
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return errors.New("git commit: " + stderr)
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}
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if _, stderr, err = com.ExecCmdDir(tmpPath, "git", "push", "origin", "master"); err != nil {
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return errors.New("git push: " + stderr)
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}
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return nil
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}
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func createHookUpdate(hookPath, content string) error {
pu, err := os.OpenFile(hookPath, os.O_CREATE|os.O_WRONLY, 0777)
if err != nil {
return err
}
defer pu.Close()
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_, err = pu.WriteString(content)
return err
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}
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// SetRepoEnvs sets environment variables for command update.
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func SetRepoEnvs(userId int64, userName, repoName, repoUserName string) {
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os.Setenv("userId", base.ToStr(userId))
os.Setenv("userName", userName)
os.Setenv("repoName", repoName)
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os.Setenv("repoUserName", repoUserName)
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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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repoPath := RepoPath(user.Name, repo.Name)
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// Create bare new repository.
if err := extractGitBareZip(repoPath); err != nil {
return err
}
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rp := strings.NewReplacer("\\", "/", " ", "\\ ")
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// hook/post-update
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if err := createHookUpdate(filepath.Join(repoPath, "hooks", "update"),
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fmt.Sprintf("#!/usr/bin/env %s\n%s update $1 $2 $3\n", base.ScriptType,
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rp.Replace(appPath))); err != nil {
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return err
}
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// Initialize repository according to user's choice.
fileName := map[string]string{}
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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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// Clone to temprory path and do the init commit.
tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("%d", time.Now().Nanosecond()))
os.MkdirAll(tmpDir, os.ModePerm)
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_, stderr, err := com.ExecCmd("git", "clone", repoPath, tmpDir)
if err != nil {
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return errors.New("git clone: " + stderr)
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}
// README
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if initReadme {
defaultReadme := repo.Name + "\n" + strings.Repeat("=",
utf8.RuneCountInString(repo.Name)) + "\n\n" + repo.Description
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if err := ioutil.WriteFile(filepath.Join(tmpDir, fileName["readme"]),
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[]byte(defaultReadme), 0644); err != nil {
return err
}
}
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// .gitignore
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if repoLang != "" {
filePath := "conf/gitignore/" + repoLang
if com.IsFile(filePath) {
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if err := com.Copy(filePath,
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filepath.Join(tmpDir, fileName["gitign"])); err != nil {
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return err
}
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}
}
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// LICENSE
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if license != "" {
filePath := "conf/license/" + license
if com.IsFile(filePath) {
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if err := com.Copy(filePath,
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filepath.Join(tmpDir, fileName["license"])); err != nil {
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return err
}
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}
}
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if len(fileName) == 0 {
return nil
}
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SetRepoEnvs(user.Id, user.Name, repo.Name, user.Name)
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// Apply changes and commit.
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return initRepoCommit(tmpDir, user.NewGitSig())
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}
// GetRepositoriesWithUsers returns given number of repository objects with offset.
// It also auto-gets corresponding users.
func GetRepositoriesWithUsers(num, offset int) ([]*Repository, error) {
repos := make([]*Repository, 0, num)
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if err := orm.Limit(num, offset).Asc("id").Find(&repos); err != nil {
return nil, err
}
for _, repo := range repos {
repo.Owner = &User{Id: repo.OwnerId}
has, err := orm.Get(repo.Owner)
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if err != nil {
return nil, err
} else if !has {
return nil, ErrUserNotExist
}
}
return repos, nil
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}
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// RepoPath returns repository path by given user and repository name.
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func RepoPath(userName, repoName string) string {
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return filepath.Join(UserPath(userName), strings.ToLower(repoName)+".git")
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}
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// TransferOwnership transfers all corresponding setting from old user to new one.
func TransferOwnership(user *User, newOwner string, repo *Repository) (err error) {
newUser, err := GetUserByName(newOwner)
if err != nil {
return err
}
// Update accesses.
accesses := make([]Access, 0, 10)
if err = orm.Find(&accesses, &Access{RepoName: user.LowerName + "/" + repo.LowerName}); err != nil {
return err
}
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sess := orm.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
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for i := range accesses {
accesses[i].RepoName = newUser.LowerName + "/" + repo.LowerName
if accesses[i].UserName == user.LowerName {
accesses[i].UserName = newUser.LowerName
}
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if err = UpdateAccessWithSession(sess, &accesses[i]); err != nil {
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return err
}
}
// Update repository.
repo.OwnerId = newUser.Id
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if _, err := sess.Id(repo.Id).Update(repo); err != nil {
sess.Rollback()
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return err
}
// Update user repository number.
rawSql := "UPDATE `user` SET num_repos = num_repos + 1 WHERE id = ?"
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if _, err = sess.Exec(rawSql, newUser.Id); err != nil {
sess.Rollback()
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return err
}
rawSql = "UPDATE `user` SET num_repos = num_repos - 1 WHERE id = ?"
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if _, err = sess.Exec(rawSql, user.Id); err != nil {
sess.Rollback()
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return err
}
// Add watch of new owner to repository.
if !IsWatching(newUser.Id, repo.Id) {
if err = WatchRepo(newUser.Id, repo.Id, true); err != nil {
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sess.Rollback()
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return err
}
}
if err = TransferRepoAction(user, newUser, repo); err != nil {
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sess.Rollback()
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return err
}
// Change repository directory name.
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if err = os.Rename(RepoPath(user.Name, repo.Name), RepoPath(newUser.Name, repo.Name)); err != nil {
sess.Rollback()
return err
}
return sess.Commit()
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}
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// ChangeRepositoryName changes all corresponding setting from old repository name to new one.
func ChangeRepositoryName(userName, oldRepoName, newRepoName string) (err error) {
// Update accesses.
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accesses := make([]Access, 0, 10)
if err = orm.Find(&accesses, &Access{RepoName: strings.ToLower(userName + "/" + oldRepoName)}); err != nil {
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return err
}
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sess := orm.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
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for i := range accesses {
accesses[i].RepoName = userName + "/" + newRepoName
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if err = UpdateAccessWithSession(sess, &accesses[i]); err != nil {
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return err
}
}
// Change repository directory name.
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if err = os.Rename(RepoPath(userName, oldRepoName), RepoPath(userName, newRepoName)); err != nil {
sess.Rollback()
return err
}
return sess.Commit()
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}
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func UpdateRepository(repo *Repository) error {
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repo.LowerName = strings.ToLower(repo.Name)
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if len(repo.Description) > 255 {
repo.Description = repo.Description[:255]
}
if len(repo.Website) > 255 {
repo.Website = repo.Website[:255]
}
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_, err := orm.Id(repo.Id).AllCols().Update(repo)
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return err
}
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// DeleteRepository deletes a repository for a user or orgnaztion.
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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sess := orm.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
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return err
}
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if _, err = sess.Delete(&Repository{Id: repoId}); err != nil {
sess.Rollback()
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return err
}
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if _, err := sess.Delete(&Access{RepoName: strings.ToLower(path.Join(userName, repo.Name))}); err != nil {
sess.Rollback()
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return err
}
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if _, err := sess.Delete(&Action{RepoId: repo.Id}); err != nil {
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sess.Rollback()
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return err
}
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if _, err = sess.Delete(&Watch{RepoId: repoId}); err != nil {
sess.Rollback()
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return err
}
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if _, err = sess.Delete(&Mirror{RepoId: repoId}); err != nil {
sess.Rollback()
return err
}
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rawSql := "UPDATE `user` SET num_repos = num_repos - 1 WHERE id = ?"
if _, err = sess.Exec(rawSql, userId); err != nil {
sess.Rollback()
return err
}
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if err = sess.Commit(); err != nil {
sess.Rollback()
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return err
}
if err = os.RemoveAll(RepoPath(userName, repo.Name)); err != nil {
// TODO: log and delete manully
log.Error("delete repo %s/%s failed: %v", userName, repo.Name, err)
return err
}
return nil
}
// GetRepositoryByName returns the repository by given name under user if exists.
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func GetRepositoryByName(userId int64, repoName string) (*Repository, error) {
repo := &Repository{
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OwnerId: userId,
LowerName: strings.ToLower(repoName),
}
has, err := orm.Get(repo)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoNotExist
}
return repo, err
}
// GetRepositoryById returns the repository by given id if exists.
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func GetRepositoryById(id int64) (*Repository, error) {
repo := &Repository{}
has, err := orm.Id(id).Get(repo)
if err != nil {
return nil, err
} else if !has {
return nil, ErrRepoNotExist
}
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return repo, nil
}
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// GetRepositories returns the list of repositories of given user.
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func GetRepositories(user *User, private bool) ([]*Repository, error) {
repos := make([]*Repository, 0, 10)
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sess := orm.Desc("updated")
if !private {
sess.Where("is_private=?", false)
}
err := sess.Find(&repos, &Repository{OwnerId: user.Id})
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return repos, err
}
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// GetRecentUpdatedRepositories returns the list of repositories that are recently updated.
func GetRecentUpdatedRepositories() (repos []*Repository, err error) {
err = orm.Where("is_private=?", false).Limit(5).Desc("updated").Find(&repos)
return repos, err
}
// GetRepositoryCount returns the total number of repositories of user.
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func GetRepositoryCount(user *User) (int64, error) {
return orm.Count(&Repository{OwnerId: user.Id})
}
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// GetCollaboratorNames returns a list of user name of repository's collaborators.
func GetCollaboratorNames(repoName string) ([]string, error) {
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accesses := make([]*Access, 0, 10)
if err := orm.Find(&accesses, &Access{RepoName: strings.ToLower(repoName)}); err != nil {
return nil, err
}
names := make([]string, len(accesses))
for i := range accesses {
names[i] = accesses[i].UserName
}
return names, nil
}
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// GetCollaborators returns a list of users of repository's collaborators.
func GetCollaborators(repoName string) (us []*User, err error) {
accesses := make([]*Access, 0, 10)
if err = orm.Find(&accesses, &Access{RepoName: strings.ToLower(repoName)}); err != nil {
return nil, err
}
us = make([]*User, len(accesses))
for i := range accesses {
us[i], err = GetUserByName(accesses[i].UserName)
if err != nil {
return nil, err
}
}
return us, nil
}
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// Watch is connection request for receiving repository notifycation.
type Watch struct {
Id int64
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UserId int64 `xorm:"UNIQUE(watch)"`
RepoId int64 `xorm:"UNIQUE(watch)"`
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}
// Watch or unwatch repository.
func WatchRepo(uid, rid int64, watch bool) (err error) {
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if watch {
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if _, err = orm.Insert(&Watch{RepoId: rid, UserId: uid}); err != nil {
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return err
}
rawSql := "UPDATE `repository` SET num_watches = num_watches + 1 WHERE id = ?"
_, err = orm.Exec(rawSql, rid)
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} else {
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if _, err = orm.Delete(&Watch{0, uid, rid}); err != nil {
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return err
}
rawSql := "UPDATE `repository` SET num_watches = num_watches - 1 WHERE id = ?"
_, err = orm.Exec(rawSql, rid)
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}
return err
}
// GetWatchers returns all watchers of given repository.
func GetWatchers(rid int64) ([]*Watch, error) {
watches := make([]*Watch, 0, 10)
err := orm.Find(&watches, &Watch{RepoId: rid})
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return watches, err
}
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// NotifyWatchers creates batch of actions for every watcher.
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func NotifyWatchers(act *Action) error {
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// Add feeds for user self and all watchers.
watches, err := GetWatchers(act.RepoId)
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if err != nil {
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return errors.New("repo.NotifyWatchers(get watches): " + err.Error())
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}
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// Add feed for actioner.
act.UserId = act.ActUserId
if _, err = orm.InsertOne(act); err != nil {
return errors.New("repo.NotifyWatchers(create action): " + err.Error())
}
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for i := range watches {
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if act.ActUserId == watches[i].UserId {
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continue
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}
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act.Id = 0
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act.UserId = watches[i].UserId
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if _, err = orm.InsertOne(act); err != nil {
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return errors.New("repo.NotifyWatchers(create action): " + err.Error())
}
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}
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return nil
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}
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// IsWatching checks if user has watched given repository.
func IsWatching(uid, rid int64) bool {
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has, _ := orm.Get(&Watch{0, uid, rid})
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return has
}
func ForkRepository(repoName string, uid int64) {
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}