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"
"path/filepath"
"strings"
"time"
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"unicode/utf8"
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git "github.com/libgit2/git2go"
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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 (
ErrRepoAlreadyExist = errors.New("Repository already exist")
)
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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 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)
if err = initRepository(f, user, repo, initReadme, repoLang); err != nil {
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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// TODO: RemoveAll may fail due to not root access.
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
}
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return repo, nil
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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 string) error {
fileName := map[string]string{
"readme": "README.md",
"gitign": ".gitignore",
}
workdir := os.TempDir() + fmt.Sprintf("%d", time.Now().Nanosecond())
sig := &git.Signature{
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Name: user.Name,
Email: user.Email,
When: time.Now(),
}
// README
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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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// .gitignore
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// if err := ioutil.WriteFile(filepath.Join(workdir, gitIgn),
// []byte(defaultREADME), 0644); err != nil {
// return err
// }
// LICENSE
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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if err = idx.AddByPath(fileName["readme"]); 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
}
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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
}
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.
func DeleteRepository(user *User, reposName string) (err error) {
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session := orm.NewSession()
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if _, err = session.Delete(&Repository{OwnerId: user.Id, Name: reposName}); err != nil {
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session.Rollback()
return err
}
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if _, err = session.Exec("update user set num_repos = num_repos - 1 where id = ?", user.Id); 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(user.Name, reposName)); err != nil {
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// TODO: log and delete manully
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log.Error("delete repo %s/%s failed", user.Name, reposName)
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return err
}
return nil
}