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-rw-r--r--models/repo.go744
1 files changed, 744 insertions, 0 deletions
diff --git a/models/repo.go b/models/repo.go
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index 00000000..d5f9be72
--- /dev/null
+++ b/models/repo.go
@@ -0,0 +1,744 @@
+// 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.
+
+package models
+
+import (
+ "container/list"
+ "errors"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "path"
+ "path/filepath"
+ "regexp"
+ "strings"
+ "sync"
+ "time"
+ "unicode/utf8"
+
+ "github.com/Unknwon/cae/zip"
+ "github.com/Unknwon/com"
+
+ "github.com/gogits/git"
+
+ "github.com/gogits/gogs/modules/base"
+ "github.com/gogits/gogs/modules/log"
+)
+
+var (
+ 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")
+ ErrRepoFileNotLoaded = fmt.Errorf("repo file not loaded")
+)
+
+var gitInitLocker = sync.Mutex{}
+
+var (
+ LanguageIgns, Licenses []string
+)
+
+func LoadRepoConfig() {
+ LanguageIgns = strings.Split(base.Cfg.MustValue("repository", "LANG_IGNS"), "|")
+ Licenses = strings.Split(base.Cfg.MustValue("repository", "LICENSES"), "|")
+}
+
+func NewRepoContext() {
+ zip.Verbose = false
+
+ // Check if server has basic git setting.
+ stdout, _, err := com.ExecCmd("git", "config", "--get", "user.name")
+ if err != nil {
+ fmt.Printf("repo.init(fail to get git user.name): %v", err)
+ os.Exit(2)
+ } else if len(stdout) == 0 {
+ if _, _, err = com.ExecCmd("git", "config", "--global", "user.email", "gogitservice@gmail.com"); err != nil {
+ fmt.Printf("repo.init(fail to set git user.email): %v", err)
+ os.Exit(2)
+ } else if _, _, err = com.ExecCmd("git", "config", "--global", "user.name", "Gogs"); err != nil {
+ fmt.Printf("repo.init(fail to set git user.name): %v", err)
+ os.Exit(2)
+ }
+ }
+
+ // Initialize illegal patterns.
+ for i := range illegalPatterns[1:] {
+ pattern := ""
+ for j := range illegalPatterns[i+1] {
+ pattern += "[" + string(illegalPatterns[i+1][j]-32) + string(illegalPatterns[i+1][j]) + "]"
+ }
+ illegalPatterns[i+1] = pattern
+ }
+}
+
+// Repository represents a git repository.
+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
+ Website string
+ NumWatches int
+ NumStars int
+ NumForks int
+ IsPrivate bool
+ IsBare bool
+ Created time.Time `xorm:"created"`
+ Updated time.Time `xorm:"updated"`
+}
+
+// IsRepositoryExist returns true if the repository with given name under user has already existed.
+func IsRepositoryExist(user *User, repoName string) (bool, error) {
+ repo := Repository{OwnerId: user.Id}
+ has, err := orm.Where("lower_name = ?", strings.ToLower(repoName)).Get(&repo)
+ if err != nil {
+ return has, err
+ }
+ s, err := os.Stat(RepoPath(user.Name, repoName))
+ if err != nil {
+ return false, nil // Error simply means does not exist, but we don't want to show up.
+ }
+ return s.IsDir(), nil
+}
+
+var (
+ // Define as all lower case!!
+ illegalPatterns = []string{"[.][Gg][Ii][Tt]", "raw", "user", "help", "stars", "issues", "pulls", "commits", "admin", "repo", "template", "admin"}
+)
+
+// IsLegalName returns false if name contains illegal characters.
+func IsLegalName(repoName string) bool {
+ for _, pattern := range illegalPatterns {
+ has, _ := regexp.MatchString(pattern, repoName)
+ if has {
+ return false
+ }
+ }
+ return true
+}
+
+// CreateRepository creates a repository for given user or orgnaziation.
+func CreateRepository(user *User, repoName, desc, repoLang, license string, private bool, initReadme bool) (*Repository, error) {
+ if !IsLegalName(repoName) {
+ return nil, ErrRepoNameIllegal
+ }
+
+ isExist, err := IsRepositoryExist(user, repoName)
+ if err != nil {
+ return nil, err
+ } else if isExist {
+ return nil, ErrRepoAlreadyExist
+ }
+
+ repo := &Repository{
+ OwnerId: user.Id,
+ Name: repoName,
+ LowerName: strings.ToLower(repoName),
+ Description: desc,
+ IsPrivate: private,
+ IsBare: repoLang == "" && license == "" && !initReadme,
+ }
+
+ repoPath := RepoPath(user.Name, repoName)
+ if err = initRepository(repoPath, user, repo, initReadme, repoLang, license); err != nil {
+ return nil, err
+ }
+ session := orm.NewSession()
+ defer session.Close()
+ session.Begin()
+
+ if _, err = session.Insert(repo); err != nil {
+ if err2 := os.RemoveAll(repoPath); err2 != nil {
+ log.Error("repo.CreateRepository(repo): %v", err)
+ return nil, errors.New(fmt.Sprintf(
+ "delete repo directory %s/%s failed(1): %v", user.Name, repoName, err2))
+ }
+ session.Rollback()
+ return nil, err
+ }
+
+ access := Access{
+ UserName: user.Name,
+ RepoName: repo.Name,
+ Mode: AU_WRITABLE,
+ }
+ if _, err = session.Insert(&access); err != nil {
+ session.Rollback()
+ if err2 := os.RemoveAll(repoPath); err2 != nil {
+ log.Error("repo.CreateRepository(access): %v", err)
+ return nil, errors.New(fmt.Sprintf(
+ "delete repo directory %s/%s failed(2): %v", user.Name, repoName, err2))
+ }
+ return nil, err
+ }
+
+ rawSql := "UPDATE `user` SET num_repos = num_repos + 1 WHERE id = ?"
+ if _, err = session.Exec(rawSql, user.Id); err != nil {
+ session.Rollback()
+ if err2 := os.RemoveAll(repoPath); err2 != nil {
+ log.Error("repo.CreateRepository(repo count): %v", err)
+ return nil, errors.New(fmt.Sprintf(
+ "delete repo directory %s/%s failed(3): %v", user.Name, repoName, err2))
+ }
+ return nil, err
+ }
+
+ if err = session.Commit(); err != nil {
+ session.Rollback()
+ if err2 := os.RemoveAll(repoPath); err2 != nil {
+ log.Error("repo.CreateRepository(commit): %v", err)
+ return nil, errors.New(fmt.Sprintf(
+ "delete repo directory %s/%s failed(3): %v", user.Name, repoName, err2))
+ }
+ return nil, err
+ }
+
+ c := exec.Command("git", "update-server-info")
+ c.Dir = repoPath
+ err = c.Run()
+ if err != nil {
+ log.Error("repo.CreateRepository(exec update-server-info): %v", err)
+ }
+
+ return repo, NewRepoAction(user, repo)
+}
+
+// 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 {
+ fmt.Println("shi?")
+ return err
+ }
+ defer z.Close()
+
+ return z.ExtractTo(repoPath)
+}
+
+// initRepoCommit temporarily changes with work directory.
+func initRepoCommit(tmpPath string, sig *git.Signature) error {
+ gitInitLocker.Lock()
+ defer gitInitLocker.Unlock()
+
+ // Change work directory.
+ curPath, err := os.Getwd()
+ if err != nil {
+ return err
+ } else if err = os.Chdir(tmpPath); err != nil {
+ return err
+ }
+ defer os.Chdir(curPath)
+
+ var stderr string
+ if _, stderr, err = com.ExecCmd("git", "add", "--all"); err != nil {
+ return err
+ }
+ log.Info("stderr(1): %s", stderr)
+ if _, stderr, err = com.ExecCmd("git", "commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
+ "-m", "Init commit"); err != nil {
+ return err
+ }
+ log.Info("stderr(2): %s", stderr)
+ if _, stderr, err = com.ExecCmd("git", "push", "origin", "master"); err != nil {
+ return err
+ }
+ log.Info("stderr(3): %s", stderr)
+ return nil
+}
+
+// InitRepository initializes README and .gitignore if needed.
+func initRepository(f string, user *User, repo *Repository, initReadme bool, repoLang, license string) error {
+ repoPath := RepoPath(user.Name, repo.Name)
+
+ // Create bare new repository.
+ if err := extractGitBareZip(repoPath); err != nil {
+ return err
+ }
+
+ /*
+ // hook/post-update
+ pu, err := os.OpenFile(filepath.Join(repoPath, "hooks", "post-update"), os.O_CREATE|os.O_WRONLY, 0777)
+ if err != nil {
+ return err
+ }
+ defer pu.Close()
+ // TODO: Windows .bat
+ if _, err = pu.WriteString(fmt.Sprintf("#!/usr/bin/env bash\n%s update\n", appPath)); err != nil {
+ return err
+ }
+
+ // hook/post-update
+ pu2, err := os.OpenFile(filepath.Join(repoPath, "hooks", "post-receive"), os.O_CREATE|os.O_WRONLY, 0777)
+ if err != nil {
+ return err
+ }
+ defer pu2.Close()
+ // TODO: Windows .bat
+ if _, err = pu2.WriteString("#!/usr/bin/env bash\ngit update-server-info\n"); err != nil {
+ return err
+ }
+ */
+
+ // Initialize repository according to user's choice.
+ fileName := map[string]string{}
+ if initReadme {
+ fileName["readme"] = "README.md"
+ }
+ if repoLang != "" {
+ fileName["gitign"] = ".gitignore"
+ }
+ if license != "" {
+ fileName["license"] = "LICENSE"
+ }
+
+ // 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)
+
+ if _, _, err := com.ExecCmd("git", "clone", repoPath, tmpDir); err != nil {
+ return err
+ }
+
+ // README
+ if initReadme {
+ defaultReadme := repo.Name + "\n" + strings.Repeat("=",
+ utf8.RuneCountInString(repo.Name)) + "\n\n" + repo.Description
+ if err := ioutil.WriteFile(filepath.Join(tmpDir, fileName["readme"]),
+ []byte(defaultReadme), 0644); err != nil {
+ return err
+ }
+ }
+
+ // .gitignore
+ if repoLang != "" {
+ filePath := "conf/gitignore/" + repoLang
+ if com.IsFile(filePath) {
+ if _, err := com.Copy(filePath,
+ filepath.Join(tmpDir, fileName["gitign"])); err != nil {
+ return err
+ }
+ }
+ }
+
+ // LICENSE
+ if license != "" {
+ filePath := "conf/license/" + license
+ if com.IsFile(filePath) {
+ if _, err := com.Copy(filePath,
+ filepath.Join(tmpDir, fileName["license"])); err != nil {
+ return err
+ }
+ }
+ }
+
+ if len(fileName) == 0 {
+ return nil
+ }
+
+ // Apply changes and commit.
+ if err := initRepoCommit(tmpDir, user.NewGitSig()); err != nil {
+ return err
+ }
+ return nil
+}
+
+// UserRepo reporesents a repository with user name.
+type UserRepo struct {
+ *Repository
+ UserName string
+}
+
+// GetRepos returns given number of repository objects with offset.
+func GetRepos(num, offset int) ([]UserRepo, error) {
+ repos := make([]Repository, 0, num)
+ if err := orm.Limit(num, offset).Asc("id").Find(&repos); err != nil {
+ return nil, err
+ }
+
+ urepos := make([]UserRepo, len(repos))
+ for i := range repos {
+ urepos[i].Repository = &repos[i]
+ u := new(User)
+ has, err := orm.Id(urepos[i].Repository.OwnerId).Get(u)
+ if err != nil {
+ return nil, err
+ } else if !has {
+ return nil, ErrUserNotExist
+ }
+ urepos[i].UserName = u.Name
+ }
+
+ return urepos, nil
+}
+
+func RepoPath(userName, repoName string) string {
+ return filepath.Join(UserPath(userName), repoName+".git")
+}
+
+func UpdateRepository(repo *Repository) error {
+ if len(repo.Description) > 255 {
+ repo.Description = repo.Description[:255]
+ }
+ if len(repo.Website) > 255 {
+ repo.Website = repo.Website[:255]
+ }
+
+ _, err := orm.Id(repo.Id).AllCols().Update(repo)
+ return err
+}
+
+// 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
+ }
+
+ session := orm.NewSession()
+ if err = session.Begin(); err != nil {
+ return err
+ }
+ if _, err = session.Delete(&Repository{Id: repoId}); err != nil {
+ session.Rollback()
+ return err
+ }
+ if _, err := session.Delete(&Access{UserName: userName, RepoName: repo.Name}); err != nil {
+ session.Rollback()
+ return err
+ }
+ rawSql := "UPDATE `user` SET num_repos = num_repos - 1 WHERE id = ?"
+ if _, err = session.Exec(rawSql, userId); err != nil {
+ session.Rollback()
+ return err
+ }
+ if _, err = session.Delete(&Watch{RepoId: repoId}); err != nil {
+ session.Rollback()
+ return err
+ }
+ if err = session.Commit(); err != nil {
+ session.Rollback()
+ 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.
+func GetRepositoryByName(userId int64, repoName string) (*Repository, error) {
+ repo := &Repository{
+ 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.
+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
+}
+
+// GetRepositories returns the list of repositories of given user.
+func GetRepositories(user *User) ([]Repository, error) {
+ repos := make([]Repository, 0, 10)
+ err := orm.Desc("updated").Find(&repos, &Repository{OwnerId: user.Id})
+ return repos, err
+}
+
+func GetRepositoryCount(user *User) (int64, error) {
+ return orm.Count(&Repository{OwnerId: user.Id})
+}
+
+// Watch is connection request for receiving repository notifycation.
+type Watch struct {
+ Id int64
+ RepoId int64 `xorm:"UNIQUE(watch)"`
+ UserId int64 `xorm:"UNIQUE(watch)"`
+}
+
+// Watch or unwatch repository.
+func WatchRepo(userId, repoId int64, watch bool) (err error) {
+ if watch {
+ if _, err = orm.Insert(&Watch{RepoId: repoId, UserId: userId}); err != nil {
+ return err
+ }
+
+ rawSql := "UPDATE `repository` SET num_watches = num_watches + 1 WHERE id = ?"
+ _, err = orm.Exec(rawSql, repoId)
+ } else {
+ if _, err = orm.Delete(&Watch{0, repoId, userId}); err != nil {
+ return err
+ }
+ rawSql := "UPDATE `repository` SET num_watches = num_watches - 1 WHERE id = ?"
+ _, err = orm.Exec(rawSql, repoId)
+ }
+ return err
+}
+
+// GetWatches returns all watches of given repository.
+func GetWatches(repoId int64) ([]Watch, error) {
+ watches := make([]Watch, 0, 10)
+ err := orm.Find(&watches, &Watch{RepoId: repoId})
+ return watches, err
+}
+
+// IsWatching checks if user has watched given repository.
+func IsWatching(userId, repoId int64) bool {
+ has, _ := orm.Get(&Watch{0, repoId, userId})
+ return has
+}
+
+func StarReposiory(user *User, repoName string) error {
+ return nil
+}
+
+func UnStarRepository() {
+
+}
+
+func WatchRepository() {
+
+}
+
+func UnWatchRepository() {
+
+}
+
+func ForkRepository(reposName string, userId int64) {
+
+}
+
+// RepoFile represents a file object in git repository.
+type RepoFile struct {
+ *git.TreeEntry
+ Path string
+ Size int64
+ Repo *git.Repository
+ Commit *git.Commit
+}
+
+// LookupBlob returns the content of an object.
+func (file *RepoFile) LookupBlob() (*git.Blob, error) {
+ if file.Repo == nil {
+ return nil, ErrRepoFileNotLoaded
+ }
+
+ return file.Repo.LookupBlob(file.Id)
+}
+
+// GetBranches returns all branches of given repository.
+func GetBranches(userName, reposName string) ([]string, error) {
+ repo, err := git.OpenRepository(RepoPath(userName, reposName))
+ if err != nil {
+ return nil, err
+ }
+
+ refs, err := repo.AllReferences()
+ if err != nil {
+ return nil, err
+ }
+
+ brs := make([]string, len(refs))
+ for i, ref := range refs {
+ brs[i] = ref.Name
+ }
+ return brs, nil
+}
+
+func GetTargetFile(userName, reposName, branchName, commitId, rpath string) (*RepoFile, error) {
+ repo, err := git.OpenRepository(RepoPath(userName, reposName))
+ if err != nil {
+ return nil, err
+ }
+
+ commit, err := repo.GetCommit(branchName, commitId)
+ if err != nil {
+ return nil, err
+ }
+
+ parts := strings.Split(path.Clean(rpath), "/")
+
+ var entry *git.TreeEntry
+ tree := commit.Tree
+ for i, part := range parts {
+ if i == len(parts)-1 {
+ entry = tree.EntryByName(part)
+ if entry == nil {
+ return nil, ErrRepoFileNotExist
+ }
+ } else {
+ tree, err = repo.SubTree(tree, part)
+ if err != nil {
+ return nil, err
+ }
+ }
+ }
+
+ size, err := repo.ObjectSize(entry.Id)
+ if err != nil {
+ return nil, err
+ }
+
+ repoFile := &RepoFile{
+ entry,
+ rpath,
+ size,
+ repo,
+ commit,
+ }
+
+ return repoFile, nil
+}
+
+// GetReposFiles returns a list of file object in given directory of repository.
+func GetReposFiles(userName, reposName, branchName, commitId, rpath string) ([]*RepoFile, error) {
+ repo, err := git.OpenRepository(RepoPath(userName, reposName))
+ if err != nil {
+ return nil, err
+ }
+
+ commit, err := repo.GetCommit(branchName, commitId)
+ if err != nil {
+ return nil, err
+ }
+
+ var repodirs []*RepoFile
+ var repofiles []*RepoFile
+ commit.Tree.Walk(func(dirname string, entry *git.TreeEntry) int {
+ if dirname == rpath {
+ // TODO: size get method shoule be improved
+ size, err := repo.ObjectSize(entry.Id)
+ if err != nil {
+ return 0
+ }
+
+ var cm = commit
+ var i int
+ for {
+ i = i + 1
+ //fmt.Println(".....", i, cm.Id(), cm.ParentCount())
+ if cm.ParentCount() == 0 {
+ break
+ } else if cm.ParentCount() == 1 {
+ pt, _ := repo.SubTree(cm.Parent(0).Tree, dirname)
+ if pt == nil {
+ break
+ }
+ pEntry := pt.EntryByName(entry.Name)
+ if pEntry == nil || !pEntry.Id.Equal(entry.Id) {
+ break
+ } else {
+ cm = cm.Parent(0)
+ }
+ } else {
+ var emptyCnt = 0
+ var sameIdcnt = 0
+ var lastSameCm *git.Commit
+ //fmt.Println(".....", cm.ParentCount())
+ for i := 0; i < cm.ParentCount(); i++ {
+ //fmt.Println("parent", i, cm.Parent(i).Id())
+ p := cm.Parent(i)
+ pt, _ := repo.SubTree(p.Tree, dirname)
+ var pEntry *git.TreeEntry
+ if pt != nil {
+ pEntry = pt.EntryByName(entry.Name)
+ }
+
+ //fmt.Println("pEntry", pEntry)
+
+ if pEntry == nil {
+ emptyCnt = emptyCnt + 1
+ if emptyCnt+sameIdcnt == cm.ParentCount() {
+ if lastSameCm == nil {
+ goto loop
+ } else {
+ cm = lastSameCm
+ break
+ }
+ }
+ } else {
+ //fmt.Println(i, "pEntry", pEntry.Id, "entry", entry.Id)
+ if !pEntry.Id.Equal(entry.Id) {
+ goto loop
+ } else {
+ lastSameCm = cm.Parent(i)
+ sameIdcnt = sameIdcnt + 1
+ if emptyCnt+sameIdcnt == cm.ParentCount() {
+ // TODO: now follow the first parent commit?
+ cm = lastSameCm
+ //fmt.Println("sameId...")
+ break
+ }
+ }
+ }
+ }
+ }
+ }
+
+ loop:
+
+ rp := &RepoFile{
+ entry,
+ path.Join(dirname, entry.Name),
+ size,
+ repo,
+ cm,
+ }
+
+ if entry.IsFile() {
+ repofiles = append(repofiles, rp)
+ } else if entry.IsDir() {
+ repodirs = append(repodirs, rp)
+ }
+ }
+ return 0
+ })
+
+ return append(repodirs, repofiles...), nil
+}
+
+func GetCommit(userName, repoName, branchname, commitid string) (*git.Commit, error) {
+ repo, err := git.OpenRepository(RepoPath(userName, repoName))
+ if err != nil {
+ return nil, err
+ }
+
+ return repo.GetCommit(branchname, commitid)
+}
+
+// GetCommits returns all commits of given branch of repository.
+func GetCommits(userName, reposName, branchname string) (*list.List, error) {
+ repo, err := git.OpenRepository(RepoPath(userName, reposName))
+ if err != nil {
+ return nil, err
+ }
+ r, err := repo.LookupReference(fmt.Sprintf("refs/heads/%s", branchname))
+ if err != nil {
+ return nil, err
+ }
+ return r.AllCommits()
+}
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