Move create/fork repository from models to modules/repository (#9489)

* Move create/fork repository from models to modules/repository

* fix wrong reference

* fix test

* fix test

* fix lint

* Fix DBContext

* remove duplicated TestMain

* fix lint

* fix conflicts

7 files changed, 779 insertions, 1 deletions

diff --git a/modules/repository/create.go b/modules/repository/create.go
new file mode 100644
index 0000000000..dc96b856d9
--- /dev/null
+++ b/modules/repository/create.go
@@ -0,0 +1,77 @@
+// Copyright 2019 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 repository
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// CreateRepository creates a repository for the user/organization.
+func CreateRepository(doer, u *models.User, opts models.CreateRepoOptions) (_ *models.Repository, err error) {
+	if !doer.IsAdmin && !u.CanCreateRepo() {
+		return nil, models.ErrReachLimitOfRepo{
+			Limit: u.MaxRepoCreation,
+		}
+	}
+
+	repo := &models.Repository{
+		OwnerID:                         u.ID,
+		Owner:                           u,
+		OwnerName:                       u.Name,
+		Name:                            opts.Name,
+		LowerName:                       strings.ToLower(opts.Name),
+		Description:                     opts.Description,
+		OriginalURL:                     opts.OriginalURL,
+		OriginalServiceType:             opts.GitServiceType,
+		IsPrivate:                       opts.IsPrivate,
+		IsFsckEnabled:                   !opts.IsMirror,
+		CloseIssuesViaCommitInAnyBranch: setting.Repository.DefaultCloseIssuesViaCommitsInAnyBranch,
+		Status:                          opts.Status,
+		IsEmpty:                         !opts.AutoInit,
+	}
+
+	err = models.WithTx(func(ctx models.DBContext) error {
+		if err = models.CreateRepository(ctx, doer, u, repo); err != nil {
+			return err
+		}
+
+		// No need for init mirror.
+		if !opts.IsMirror {
+			repoPath := models.RepoPath(u.Name, repo.Name)
+			if err = initRepository(ctx, repoPath, u, repo, opts); err != nil {
+				if err2 := os.RemoveAll(repoPath); err2 != nil {
+					log.Error("initRepository: %v", err)
+					return fmt.Errorf(
+						"delete repo directory %s/%s failed(2): %v", u.Name, repo.Name, err2)
+				}
+				return fmt.Errorf("initRepository: %v", err)
+			}
+
+			// Initialize Issue Labels if selected
+			if len(opts.IssueLabels) > 0 {
+				if err = models.InitalizeLabels(ctx, repo.ID, opts.IssueLabels); err != nil {
+					return fmt.Errorf("initalizeLabels: %v", err)
+				}
+			}
+
+			if stdout, err := git.NewCommand("update-server-info").
+				SetDescription(fmt.Sprintf("CreateRepository(git update-server-info): %s", repoPath)).
+				RunInDir(repoPath); err != nil {
+				log.Error("CreateRepitory(git update-server-info) in %v: Stdout: %s\nError: %v", repo, stdout, err)
+				return fmt.Errorf("CreateRepository(git update-server-info): %v", err)
+			}
+		}
+		return nil
+	})
+
+	return repo, err
+}
diff --git a/modules/repository/create_test.go b/modules/repository/create_test.go
new file mode 100644
index 0000000000..53c0b0f305
--- /dev/null
+++ b/modules/repository/create_test.go
@@ -0,0 +1,145 @@
+// Copyright 2019 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 repository
+
+import (
+	"fmt"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/structs"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIncludesAllRepositoriesTeams(t *testing.T) {
+	assert.NoError(t, models.PrepareTestDatabase())
+
+	testTeamRepositories := func(teamID int64, repoIds []int64) {
+		team := models.AssertExistsAndLoadBean(t, &models.Team{ID: teamID}).(*models.Team)
+		assert.NoError(t, team.GetRepositories(), "%s: GetRepositories", team.Name)
+		assert.Len(t, team.Repos, team.NumRepos, "%s: len repo", team.Name)
+		assert.Equal(t, len(repoIds), len(team.Repos), "%s: repo count", team.Name)
+		for i, rid := range repoIds {
+			if rid > 0 {
+				assert.True(t, team.HasRepository(rid), "%s: HasRepository(%d) %d", rid, i)
+			}
+		}
+	}
+
+	// Get an admin user.
+	user, err := models.GetUserByID(1)
+	assert.NoError(t, err, "GetUserByID")
+
+	// Create org.
+	org := &models.User{
+		Name:       "All repo",
+		IsActive:   true,
+		Type:       models.UserTypeOrganization,
+		Visibility: structs.VisibleTypePublic,
+	}
+	assert.NoError(t, models.CreateOrganization(org, user), "CreateOrganization")
+
+	// Check Owner team.
+	ownerTeam, err := org.GetOwnerTeam()
+	assert.NoError(t, err, "GetOwnerTeam")
+	assert.True(t, ownerTeam.IncludesAllRepositories, "Owner team includes all repositories")
+
+	// Create repos.
+	repoIds := make([]int64, 0)
+	for i := 0; i < 3; i++ {
+		r, err := CreateRepository(user, org, models.CreateRepoOptions{Name: fmt.Sprintf("repo-%d", i)})
+		assert.NoError(t, err, "CreateRepository %d", i)
+		if r != nil {
+			repoIds = append(repoIds, r.ID)
+		}
+	}
+	// Get fresh copy of Owner team after creating repos.
+	ownerTeam, err = org.GetOwnerTeam()
+	assert.NoError(t, err, "GetOwnerTeam")
+
+	// Create teams and check repositories.
+	teams := []*models.Team{
+		ownerTeam,
+		{
+			OrgID:                   org.ID,
+			Name:                    "team one",
+			Authorize:               models.AccessModeRead,
+			IncludesAllRepositories: true,
+		},
+		{
+			OrgID:                   org.ID,
+			Name:                    "team 2",
+			Authorize:               models.AccessModeRead,
+			IncludesAllRepositories: false,
+		},
+		{
+			OrgID:                   org.ID,
+			Name:                    "team three",
+			Authorize:               models.AccessModeWrite,
+			IncludesAllRepositories: true,
+		},
+		{
+			OrgID:                   org.ID,
+			Name:                    "team 4",
+			Authorize:               models.AccessModeWrite,
+			IncludesAllRepositories: false,
+		},
+	}
+	teamRepos := [][]int64{
+		repoIds,
+		repoIds,
+		{},
+		repoIds,
+		{},
+	}
+	for i, team := range teams {
+		if i > 0 { // first team is Owner.
+			assert.NoError(t, models.NewTeam(team), "%s: NewTeam", team.Name)
+		}
+		testTeamRepositories(team.ID, teamRepos[i])
+	}
+
+	// Update teams and check repositories.
+	teams[3].IncludesAllRepositories = false
+	teams[4].IncludesAllRepositories = true
+	teamRepos[4] = repoIds
+	for i, team := range teams {
+		assert.NoError(t, models.UpdateTeam(team, false, true), "%s: UpdateTeam", team.Name)
+		testTeamRepositories(team.ID, teamRepos[i])
+	}
+
+	// Create repo and check teams repositories.
+	org.Teams = nil // Reset teams to allow their reloading.
+	r, err := CreateRepository(user, org, models.CreateRepoOptions{Name: "repo-last"})
+	assert.NoError(t, err, "CreateRepository last")
+	if r != nil {
+		repoIds = append(repoIds, r.ID)
+	}
+	teamRepos[0] = repoIds
+	teamRepos[1] = repoIds
+	teamRepos[4] = repoIds
+	for i, team := range teams {
+		testTeamRepositories(team.ID, teamRepos[i])
+	}
+
+	// Remove repo and check teams repositories.
+	assert.NoError(t, models.DeleteRepository(user, org.ID, repoIds[0]), "DeleteRepository")
+	teamRepos[0] = repoIds[1:]
+	teamRepos[1] = repoIds[1:]
+	teamRepos[3] = repoIds[1:3]
+	teamRepos[4] = repoIds[1:]
+	for i, team := range teams {
+		testTeamRepositories(team.ID, teamRepos[i])
+	}
+
+	// Wipe created items.
+	for i, rid := range repoIds {
+		if i > 0 { // first repo already deleted.
+			assert.NoError(t, models.DeleteRepository(user, org.ID, rid), "DeleteRepository %d", i)
+		}
+	}
+	assert.NoError(t, models.DeleteOrganization(org), "DeleteOrganization")
+}
diff --git a/modules/repository/fork.go b/modules/repository/fork.go
new file mode 100644
index 0000000000..8953ce9ba4
--- /dev/null
+++ b/modules/repository/fork.go
@@ -0,0 +1,87 @@
+// Copyright 2019 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 repository
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
+)
+
+// ForkRepository forks a repository
+func ForkRepository(doer, owner *models.User, oldRepo *models.Repository, name, desc string) (_ *models.Repository, err error) {
+	forkedRepo, err := oldRepo.GetUserFork(owner.ID)
+	if err != nil {
+		return nil, err
+	}
+	if forkedRepo != nil {
+		return nil, models.ErrForkAlreadyExist{
+			Uname:    owner.Name,
+			RepoName: oldRepo.FullName(),
+			ForkName: forkedRepo.FullName(),
+		}
+	}
+
+	repo := &models.Repository{
+		OwnerID:       owner.ID,
+		Owner:         owner,
+		OwnerName:     owner.Name,
+		Name:          name,
+		LowerName:     strings.ToLower(name),
+		Description:   desc,
+		DefaultBranch: oldRepo.DefaultBranch,
+		IsPrivate:     oldRepo.IsPrivate,
+		IsEmpty:       oldRepo.IsEmpty,
+		IsFork:        true,
+		ForkID:        oldRepo.ID,
+	}
+
+	oldRepoPath := oldRepo.RepoPath()
+
+	err = models.WithTx(func(ctx models.DBContext) error {
+		if err = models.CreateRepository(ctx, doer, owner, repo); err != nil {
+			return err
+		}
+
+		if err = models.IncrementRepoForkNum(ctx, oldRepo.ID); err != nil {
+			return err
+		}
+
+		repoPath := models.RepoPath(owner.Name, repo.Name)
+		if stdout, err := git.NewCommand(
+			"clone", "--bare", oldRepoPath, repoPath).
+			SetDescription(fmt.Sprintf("ForkRepository(git clone): %s to %s", oldRepo.FullName(), repo.FullName())).
+			RunInDirTimeout(10*time.Minute, ""); err != nil {
+			log.Error("Fork Repository (git clone) Failed for %v (from %v):\nStdout: %s\nError: %v", repo, oldRepo, stdout, err)
+			return fmt.Errorf("git clone: %v", err)
+		}
+
+		if stdout, err := git.NewCommand("update-server-info").
+			SetDescription(fmt.Sprintf("ForkRepository(git update-server-info): %s", repo.FullName())).
+			RunInDir(repoPath); err != nil {
+			log.Error("Fork Repository (git update-server-info) failed for %v:\nStdout: %s\nError: %v", repo, stdout, err)
+			return fmt.Errorf("git update-server-info: %v", err)
+		}
+
+		if err = models.CreateDelegateHooks(repoPath); err != nil {
+			return fmt.Errorf("createDelegateHooks: %v", err)
+		}
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	ctx := models.DefaultDBContext()
+	if err = repo.UpdateSize(ctx); err != nil {
+		log.Error("Failed to update size for repository: %v", err)
+	}
+
+	return repo, models.CopyLFS(ctx, repo, oldRepo)
+}
diff --git a/modules/repository/fork_test.go b/modules/repository/fork_test.go
new file mode 100644
index 0000000000..cb3526bccf
--- /dev/null
+++ b/modules/repository/fork_test.go
@@ -0,0 +1,25 @@
+// 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 repository
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestForkRepository(t *testing.T) {
+	assert.NoError(t, models.PrepareTestDatabase())
+
+	// user 13 has already forked repo10
+	user := models.AssertExistsAndLoadBean(t, &models.User{ID: 13}).(*models.User)
+	repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: 10}).(*models.Repository)
+
+	fork, err := ForkRepository(user, user, repo, "test", "test")
+	assert.Nil(t, fork)
+	assert.Error(t, err)
+	assert.True(t, models.IsErrForkAlreadyExist(err))
+}
diff --git a/modules/repository/generate.go b/modules/repository/generate.go
new file mode 100644
index 0000000000..96ce25e59f
--- /dev/null
+++ b/modules/repository/generate.go
@@ -0,0 +1,230 @@
+// Copyright 2019 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 repository
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
+)
+
+func generateExpansion(src string, templateRepo, generateRepo *models.Repository) string {
+	return os.Expand(src, func(key string) string {
+		switch key {
+		case "REPO_NAME":
+			return generateRepo.Name
+		case "TEMPLATE_NAME":
+			return templateRepo.Name
+		case "REPO_DESCRIPTION":
+			return generateRepo.Description
+		case "TEMPLATE_DESCRIPTION":
+			return templateRepo.Description
+		case "REPO_OWNER":
+			return generateRepo.OwnerName
+		case "TEMPLATE_OWNER":
+			return templateRepo.OwnerName
+		case "REPO_LINK":
+			return generateRepo.Link()
+		case "TEMPLATE_LINK":
+			return templateRepo.Link()
+		case "REPO_HTTPS_URL":
+			return generateRepo.CloneLink().HTTPS
+		case "TEMPLATE_HTTPS_URL":
+			return templateRepo.CloneLink().HTTPS
+		case "REPO_SSH_URL":
+			return generateRepo.CloneLink().SSH
+		case "TEMPLATE_SSH_URL":
+			return templateRepo.CloneLink().SSH
+		default:
+			return key
+		}
+	})
+}
+
+func checkGiteaTemplate(tmpDir string) (*models.GiteaTemplate, error) {
+	gtPath := filepath.Join(tmpDir, ".gitea", "template")
+	if _, err := os.Stat(gtPath); os.IsNotExist(err) {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+
+	content, err := ioutil.ReadFile(gtPath)
+	if err != nil {
+		return nil, err
+	}
+
+	gt := &models.GiteaTemplate{
+		Path:    gtPath,
+		Content: content,
+	}
+
+	return gt, nil
+}
+
+func generateRepoCommit(repo, templateRepo, generateRepo *models.Repository, tmpDir string) error {
+	commitTimeStr := time.Now().Format(time.RFC3339)
+	authorSig := repo.Owner.NewGitSig()
+
+	// Because this may call hooks we should pass in the environment
+	env := append(os.Environ(),
+		"GIT_AUTHOR_NAME="+authorSig.Name,
+		"GIT_AUTHOR_EMAIL="+authorSig.Email,
+		"GIT_AUTHOR_DATE="+commitTimeStr,
+		"GIT_COMMITTER_NAME="+authorSig.Name,
+		"GIT_COMMITTER_EMAIL="+authorSig.Email,
+		"GIT_COMMITTER_DATE="+commitTimeStr,
+	)
+
+	// Clone to temporary path and do the init commit.
+	templateRepoPath := templateRepo.RepoPath()
+	if err := git.Clone(templateRepoPath, tmpDir, git.CloneRepoOptions{
+		Depth: 1,
+	}); err != nil {
+		return fmt.Errorf("git clone: %v", err)
+	}
+
+	if err := os.RemoveAll(path.Join(tmpDir, ".git")); err != nil {
+		return fmt.Errorf("remove git dir: %v", err)
+	}
+
+	// Variable expansion
+	gt, err := checkGiteaTemplate(tmpDir)
+	if err != nil {
+		return fmt.Errorf("checkGiteaTemplate: %v", err)
+	}
+
+	if err := os.Remove(gt.Path); err != nil {
+		return fmt.Errorf("remove .giteatemplate: %v", err)
+	}
+
+	// Avoid walking tree if there are no globs
+	if len(gt.Globs()) > 0 {
+		tmpDirSlash := strings.TrimSuffix(filepath.ToSlash(tmpDir), "/") + "/"
+		if err := filepath.Walk(tmpDirSlash, func(path string, info os.FileInfo, walkErr error) error {
+			if walkErr != nil {
+				return walkErr
+			}
+
+			if info.IsDir() {
+				return nil
+			}
+
+			base := strings.TrimPrefix(filepath.ToSlash(path), tmpDirSlash)
+			for _, g := range gt.Globs() {
+				if g.Match(base) {
+					content, err := ioutil.ReadFile(path)
+					if err != nil {
+						return err
+					}
+
+					if err := ioutil.WriteFile(path,
+						[]byte(generateExpansion(string(content), templateRepo, generateRepo)),
+						0644); err != nil {
+						return err
+					}
+					break
+				}
+			}
+			return nil
+		}); err != nil {
+			return err
+		}
+	}
+
+	if err := git.InitRepository(tmpDir, false); err != nil {
+		return err
+	}
+
+	repoPath := repo.RepoPath()
+	if stdout, err := git.NewCommand("remote", "add", "origin", repoPath).
+		SetDescription(fmt.Sprintf("generateRepoCommit (git remote add): %s to %s", templateRepoPath, tmpDir)).
+		RunInDirWithEnv(tmpDir, env); err != nil {
+		log.Error("Unable to add %v as remote origin to temporary repo to %s: stdout %s\nError: %v", repo, tmpDir, stdout, err)
+		return fmt.Errorf("git remote add: %v", err)
+	}
+
+	return initRepoCommit(tmpDir, repo, repo.Owner)
+}
+
+func generateGitContent(ctx models.DBContext, repo, templateRepo, generateRepo *models.Repository) (err error) {
+	tmpDir, err := ioutil.TempDir(os.TempDir(), "gitea-"+repo.Name)
+	if err != nil {
+		return fmt.Errorf("Failed to create temp dir for repository %s: %v", repo.RepoPath(), err)
+	}
+
+	defer func() {
+		if err := os.RemoveAll(tmpDir); err != nil {
+			log.Error("RemoveAll: %v", err)
+		}
+	}()
+
+	if err = generateRepoCommit(repo, templateRepo, generateRepo, tmpDir); err != nil {
+		return fmt.Errorf("generateRepoCommit: %v", err)
+	}
+
+	// re-fetch repo
+	if repo, err = models.GetRepositoryByIDCtx(ctx, repo.ID); err != nil {
+		return fmt.Errorf("getRepositoryByID: %v", err)
+	}
+
+	repo.DefaultBranch = "master"
+	if err = models.UpdateRepositoryCtx(ctx, repo, false); err != nil {
+		return fmt.Errorf("updateRepository: %v", err)
+	}
+
+	return nil
+}
+
+// GenerateGitContent generates git content from a template repository
+func GenerateGitContent(ctx models.DBContext, templateRepo, generateRepo *models.Repository) error {
+	if err := generateGitContent(ctx, generateRepo, templateRepo, generateRepo); err != nil {
+		return err
+	}
+
+	if err := generateRepo.UpdateSize(ctx); err != nil {
+		return fmt.Errorf("failed to update size for repository: %v", err)
+	}
+
+	if err := models.CopyLFS(ctx, generateRepo, templateRepo); err != nil {
+		return fmt.Errorf("failed to copy LFS: %v", err)
+	}
+	return nil
+}
+
+// GenerateRepository generates a repository from a template
+func GenerateRepository(ctx models.DBContext, doer, owner *models.User, templateRepo *models.Repository, opts models.GenerateRepoOptions) (_ *models.Repository, err error) {
+	generateRepo := &models.Repository{
+		OwnerID:       owner.ID,
+		Owner:         owner,
+		OwnerName:     owner.Name,
+		Name:          opts.Name,
+		LowerName:     strings.ToLower(opts.Name),
+		Description:   opts.Description,
+		IsPrivate:     opts.Private,
+		IsEmpty:       !opts.GitContent || templateRepo.IsEmpty,
+		IsFsckEnabled: templateRepo.IsFsckEnabled,
+		TemplateID:    templateRepo.ID,
+	}
+
+	if err = models.CreateRepository(ctx, doer, owner, generateRepo); err != nil {
+		return nil, err
+	}
+
+	repoPath := models.RepoPath(owner.Name, generateRepo.Name)
+	if err = checkInitRepository(repoPath); err != nil {
+		return generateRepo, err
+	}
+
+	return generateRepo, nil
+}
diff --git a/modules/repository/init.go b/modules/repository/init.go
new file mode 100644
index 0000000000..a65b335174
--- /dev/null
+++ b/modules/repository/init.go
@@ -0,0 +1,214 @@
+// Copyright 2019 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 repository
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
+
+	"github.com/mcuadros/go-version"
+	"github.com/unknwon/com"
+)
+
+func prepareRepoCommit(ctx models.DBContext, repo *models.Repository, tmpDir, repoPath string, opts models.CreateRepoOptions) error {
+	commitTimeStr := time.Now().Format(time.RFC3339)
+	authorSig := repo.Owner.NewGitSig()
+
+	// Because this may call hooks we should pass in the environment
+	env := append(os.Environ(),
+		"GIT_AUTHOR_NAME="+authorSig.Name,
+		"GIT_AUTHOR_EMAIL="+authorSig.Email,
+		"GIT_AUTHOR_DATE="+commitTimeStr,
+		"GIT_COMMITTER_NAME="+authorSig.Name,
+		"GIT_COMMITTER_EMAIL="+authorSig.Email,
+		"GIT_COMMITTER_DATE="+commitTimeStr,
+	)
+
+	// Clone to temporary path and do the init commit.
+	if stdout, err := git.NewCommand("clone", repoPath, tmpDir).
+		SetDescription(fmt.Sprintf("prepareRepoCommit (git clone): %s to %s", repoPath, tmpDir)).
+		RunInDirWithEnv("", env); err != nil {
+		log.Error("Failed to clone from %v into %s: stdout: %s\nError: %v", repo, tmpDir, stdout, err)
+		return fmt.Errorf("git clone: %v", err)
+	}
+
+	// README
+	data, err := models.GetRepoInitFile("readme", opts.Readme)
+	if err != nil {
+		return fmt.Errorf("GetRepoInitFile[%s]: %v", opts.Readme, err)
+	}
+
+	cloneLink := repo.CloneLink()
+	match := map[string]string{
+		"Name":           repo.Name,
+		"Description":    repo.Description,
+		"CloneURL.SSH":   cloneLink.SSH,
+		"CloneURL.HTTPS": cloneLink.HTTPS,
+	}
+	if err = ioutil.WriteFile(filepath.Join(tmpDir, "README.md"),
+		[]byte(com.Expand(string(data), match)), 0644); err != nil {
+		return fmt.Errorf("write README.md: %v", err)
+	}
+
+	// .gitignore
+	if len(opts.Gitignores) > 0 {
+		var buf bytes.Buffer
+		names := strings.Split(opts.Gitignores, ",")
+		for _, name := range names {
+			data, err = models.GetRepoInitFile("gitignore", name)
+			if err != nil {
+				return fmt.Errorf("GetRepoInitFile[%s]: %v", name, err)
+			}
+			buf.WriteString("# ---> " + name + "\n")
+			buf.Write(data)
+			buf.WriteString("\n")
+		}
+
+		if buf.Len() > 0 {
+			if err = ioutil.WriteFile(filepath.Join(tmpDir, ".gitignore"), buf.Bytes(), 0644); err != nil {
+				return fmt.Errorf("write .gitignore: %v", err)
+			}
+		}
+	}
+
+	// LICENSE
+	if len(opts.License) > 0 {
+		data, err = models.GetRepoInitFile("license", opts.License)
+		if err != nil {
+			return fmt.Errorf("GetRepoInitFile[%s]: %v", opts.License, err)
+		}
+
+		if err = ioutil.WriteFile(filepath.Join(tmpDir, "LICENSE"), data, 0644); err != nil {
+			return fmt.Errorf("write LICENSE: %v", err)
+		}
+	}
+
+	return nil
+}
+
+// initRepoCommit temporarily changes with work directory.
+func initRepoCommit(tmpPath string, repo *models.Repository, u *models.User) (err error) {
+	commitTimeStr := time.Now().Format(time.RFC3339)
+
+	sig := u.NewGitSig()
+	// Because this may call hooks we should pass in the environment
+	env := append(os.Environ(),
+		"GIT_AUTHOR_NAME="+sig.Name,
+		"GIT_AUTHOR_EMAIL="+sig.Email,
+		"GIT_AUTHOR_DATE="+commitTimeStr,
+		"GIT_COMMITTER_NAME="+sig.Name,
+		"GIT_COMMITTER_EMAIL="+sig.Email,
+		"GIT_COMMITTER_DATE="+commitTimeStr,
+	)
+
+	if stdout, err := git.NewCommand("add", "--all").
+		SetDescription(fmt.Sprintf("initRepoCommit (git add): %s", tmpPath)).
+		RunInDir(tmpPath); err != nil {
+		log.Error("git add --all failed: Stdout: %s\nError: %v", stdout, err)
+		return fmt.Errorf("git add --all: %v", err)
+	}
+
+	binVersion, err := git.BinVersion()
+	if err != nil {
+		return fmt.Errorf("Unable to get git version: %v", err)
+	}
+
+	args := []string{
+		"commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
+		"-m", "Initial commit",
+	}
+
+	if version.Compare(binVersion, "1.7.9", ">=") {
+		sign, keyID := models.SignInitialCommit(tmpPath, u)
+		if sign {
+			args = append(args, "-S"+keyID)
+		} else if version.Compare(binVersion, "2.0.0", ">=") {
+			args = append(args, "--no-gpg-sign")
+		}
+	}
+
+	if stdout, err := git.NewCommand(args...).
+		SetDescription(fmt.Sprintf("initRepoCommit (git commit): %s", tmpPath)).
+		RunInDirWithEnv(tmpPath, env); err != nil {
+		log.Error("Failed to commit: %v: Stdout: %s\nError: %v", args, stdout, err)
+		return fmt.Errorf("git commit: %v", err)
+	}
+
+	if stdout, err := git.NewCommand("push", "origin", "master").
+		SetDescription(fmt.Sprintf("initRepoCommit (git push): %s", tmpPath)).
+		RunInDirWithEnv(tmpPath, models.InternalPushingEnvironment(u, repo)); err != nil {
+		log.Error("Failed to push back to master: Stdout: %s\nError: %v", stdout, err)
+		return fmt.Errorf("git push: %v", err)
+	}
+
+	return nil
+}
+
+func checkInitRepository(repoPath string) (err error) {
+	// Somehow the directory could exist.
+	if com.IsExist(repoPath) {
+		return fmt.Errorf("checkInitRepository: path already exists: %s", repoPath)
+	}
+
+	// Init git bare new repository.
+	if err = git.InitRepository(repoPath, true); err != nil {
+		return fmt.Errorf("git.InitRepository: %v", err)
+	} else if err = models.CreateDelegateHooks(repoPath); err != nil {
+		return fmt.Errorf("createDelegateHooks: %v", err)
+	}
+	return nil
+}
+
+// InitRepository initializes README and .gitignore if needed.
+func initRepository(ctx models.DBContext, repoPath string, u *models.User, repo *models.Repository, opts models.CreateRepoOptions) (err error) {
+	if err = checkInitRepository(repoPath); err != nil {
+		return err
+	}
+
+	// Initialize repository according to user's choice.
+	if opts.AutoInit {
+		tmpDir, err := ioutil.TempDir(os.TempDir(), "gitea-"+repo.Name)
+		if err != nil {
+			return fmt.Errorf("Failed to create temp dir for repository %s: %v", repo.RepoPath(), err)
+		}
+
+		defer os.RemoveAll(tmpDir)
+
+		if err = prepareRepoCommit(ctx, repo, tmpDir, repoPath, opts); err != nil {
+			return fmt.Errorf("prepareRepoCommit: %v", err)
+		}
+
+		// Apply changes and commit.
+		if err = initRepoCommit(tmpDir, repo, u); err != nil {
+			return fmt.Errorf("initRepoCommit: %v", err)
+		}
+	}
+
+	// Re-fetch the repository from database before updating it (else it would
+	// override changes that were done earlier with sql)
+	if repo, err = models.GetRepositoryByIDCtx(ctx, repo.ID); err != nil {
+		return fmt.Errorf("getRepositoryByID: %v", err)
+	}
+
+	if !opts.AutoInit {
+		repo.IsEmpty = true
+	}
+
+	repo.DefaultBranch = "master"
+	if err = models.UpdateRepositoryCtx(ctx, repo, false); err != nil {
+		return fmt.Errorf("updateRepository: %v", err)
+	}
+
+	return nil
+}
diff --git a/modules/repository/repo.go b/modules/repository/repo.go
index b0b118e038..bb8cceeadc 100644
--- a/modules/repository/repo.go
+++ b/modules/repository/repo.go
@@ -116,7 +116,7 @@ func MigrateRepositoryGitData(doer, u *models.User, repo *models.Repository, opt
 		}
 	}
 
-	if err = repo.UpdateSize(); err != nil {
+	if err = repo.UpdateSize(models.DefaultDBContext()); err != nil {
 		log.Error("Failed to update size for repository: %v", err)
 	}