move out git module and #1573 send push hook

22 files changed, 0 insertions, 1869 deletions

diff --git a/modules/git/blob.go b/modules/git/blob.go
deleted file mode 100644
index bdf0cae4bc..0000000000
--- a/modules/git/blob.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-	"errors"
-	"io"
-
-	"github.com/Unknwon/com"
-)
-
-type Blob struct {
-	repo *Repository
-	*TreeEntry
-}
-
-func (b *Blob) Data() (io.Reader, error) {
-	stdout, stderr, err := com.ExecCmdDirBytes(b.repo.Path, "git", "show", b.ID.String())
-	if err != nil {
-		return nil, errors.New(string(stderr))
-	}
-	return bytes.NewBuffer(stdout), nil
-}
diff --git a/modules/git/commit.go b/modules/git/commit.go
deleted file mode 100644
index 674a0b85eb..0000000000
--- a/modules/git/commit.go
+++ /dev/null
@@ -1,162 +0,0 @@
-// 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 git
-
-import (
-	"bufio"
-	"container/list"
-	"net/http"
-	"strings"
-)
-
-// Commit represents a git commit.
-type Commit struct {
-	Tree
-	ID            sha1 // The id of this commit object
-	Author        *Signature
-	Committer     *Signature
-	CommitMessage string
-
-	parents    []sha1 // sha1 strings
-	submodules map[string]*SubModule
-}
-
-// Return the commit message. Same as retrieving CommitMessage directly.
-func (c *Commit) Message() string {
-	return c.CommitMessage
-}
-
-func (c *Commit) Summary() string {
-	return strings.Split(c.CommitMessage, "\n")[0]
-}
-
-// Return oid of the parent number n (0-based index). Return nil if no such parent exists.
-func (c *Commit) ParentId(n int) (id sha1, err error) {
-	if n >= len(c.parents) {
-		err = IDNotExist
-		return
-	}
-	return c.parents[n], nil
-}
-
-// Return parent number n (0-based index)
-func (c *Commit) Parent(n int) (*Commit, error) {
-	id, err := c.ParentId(n)
-	if err != nil {
-		return nil, err
-	}
-	parent, err := c.repo.getCommit(id)
-	if err != nil {
-		return nil, err
-	}
-	return parent, nil
-}
-
-// Return the number of parents of the commit. 0 if this is the
-// root commit, otherwise 1,2,...
-func (c *Commit) ParentCount() int {
-	return len(c.parents)
-}
-
-func (c *Commit) CommitsBefore() (*list.List, error) {
-	return c.repo.getCommitsBefore(c.ID)
-}
-
-func (c *Commit) CommitsBeforeUntil(commitId string) (*list.List, error) {
-	ec, err := c.repo.GetCommit(commitId)
-	if err != nil {
-		return nil, err
-	}
-	return c.repo.CommitsBetween(c, ec)
-}
-
-func (c *Commit) CommitsCount() (int, error) {
-	return c.repo.commitsCount(c.ID)
-}
-
-func (c *Commit) SearchCommits(keyword string) (*list.List, error) {
-	return c.repo.searchCommits(c.ID, keyword)
-}
-
-func (c *Commit) CommitsByRange(page int) (*list.List, error) {
-	return c.repo.commitsByRange(c.ID, page)
-}
-
-func (c *Commit) GetCommitOfRelPath(relPath string) (*Commit, error) {
-	return c.repo.getCommitOfRelPath(c.ID, relPath)
-}
-
-func (c *Commit) GetSubModule(entryname string) (*SubModule, error) {
-	modules, err := c.GetSubModules()
-	if err != nil {
-		return nil, err
-	}
-	return modules[entryname], nil
-}
-
-func (c *Commit) GetSubModules() (map[string]*SubModule, error) {
-	if c.submodules != nil {
-		return c.submodules, nil
-	}
-
-	entry, err := c.GetTreeEntryByPath(".gitmodules")
-	if err != nil {
-		return nil, err
-	}
-	rd, err := entry.Blob().Data()
-	if err != nil {
-		return nil, err
-	}
-
-	scanner := bufio.NewScanner(rd)
-	c.submodules = make(map[string]*SubModule)
-	var ismodule bool
-	var path string
-	for scanner.Scan() {
-		if strings.HasPrefix(scanner.Text(), "[submodule") {
-			ismodule = true
-			continue
-		}
-		if ismodule {
-			fields := strings.Split(scanner.Text(), "=")
-			k := strings.TrimSpace(fields[0])
-			if k == "path" {
-				path = strings.TrimSpace(fields[1])
-			} else if k == "url" {
-				c.submodules[path] = &SubModule{path, strings.TrimSpace(fields[1])}
-				ismodule = false
-			}
-		}
-	}
-
-	return c.submodules, nil
-}
-
-func isImageFile(data []byte) (string, bool) {
-	contentType := http.DetectContentType(data)
-	if strings.Index(contentType, "image/") != -1 {
-		return contentType, true
-	}
-	return contentType, false
-}
-
-func (c *Commit) IsImageFile(name string) bool {
-	blob, err := c.GetBlobByPath(name)
-	if err != nil {
-		return false
-	}
-
-	dataRc, err := blob.Data()
-	if err != nil {
-		return false
-	}
-	buf := make([]byte, 1024)
-	n, _ := dataRc.Read(buf)
-	if n > 0 {
-		buf = buf[:n]
-	}
-	_, isImage := isImageFile(buf)
-	return isImage
-}
diff --git a/modules/git/commit_archive.go b/modules/git/commit_archive.go
deleted file mode 100644
index 8bb6b12947..0000000000
--- a/modules/git/commit_archive.go
+++ /dev/null
@@ -1,36 +0,0 @@
-// 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 git
-
-import (
-	"fmt"
-
-	"github.com/Unknwon/com"
-)
-
-type ArchiveType int
-
-const (
-	ZIP ArchiveType = iota + 1
-	TARGZ
-)
-
-func (c *Commit) CreateArchive(path string, archiveType ArchiveType) error {
-	var format string
-	switch archiveType {
-	case ZIP:
-		format = "zip"
-	case TARGZ:
-		format = "tar.gz"
-	default:
-		return fmt.Errorf("unknown format: %v", archiveType)
-	}
-
-	_, stderr, err := com.ExecCmdDir(c.repo.Path, "git", "archive", "--format="+format, "-o", path, c.ID.String())
-	if err != nil {
-		return fmt.Errorf("%s", stderr)
-	}
-	return nil
-}
diff --git a/modules/git/error.go b/modules/git/error.go
deleted file mode 100644
index c86c56e546..0000000000
--- a/modules/git/error.go
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2015 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 git
-
-import (
-	"fmt"
-)
-
-type ErrUnsupportedVersion struct {
-	Required string
-}
-
-func IsErrUnsupportedVersion(err error) bool {
-	_, ok := err.(ErrUnsupportedVersion)
-	return ok
-}
-
-func (err ErrUnsupportedVersion) Error() string {
-	return fmt.Sprintf("Operation requires higher version [required: %s]", err.Required)
-}
diff --git a/modules/git/hooks.go b/modules/git/hooks.go
deleted file mode 100644
index 77c7cb5a41..0000000000
--- a/modules/git/hooks.go
+++ /dev/null
@@ -1,125 +0,0 @@
-// 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 git
-
-import (
-	"errors"
-	"io/ioutil"
-	"os"
-	"path"
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-// hookNames is a list of Git hooks' name that are supported.
-var hookNames = []string{
-	"applypatch-msg",
-	"pre-applypatch",
-	"post-applypatch",
-	"pre-commit",
-	"prepare-commit-msg",
-	"commit-msg",
-	"post-commit",
-	"pre-rebase",
-	"post-checkout",
-	"post-merge",
-	"pre-push",
-	"pre-receive",
-	// "update",
-	"post-receive",
-	"post-update",
-	"push-to-checkout",
-	"pre-auto-gc",
-	"post-rewrite",
-}
-
-var (
-	ErrNotValidHook = errors.New("not a valid Git hook")
-)
-
-// IsValidHookName returns true if given name is a valid Git hook.
-func IsValidHookName(name string) bool {
-	for _, hn := range hookNames {
-		if hn == name {
-			return true
-		}
-	}
-	return false
-}
-
-// Hook represents a Git hook.
-type Hook struct {
-	name     string
-	IsActive bool   // Indicates whether repository has this hook.
-	Content  string // Content of hook if it's active.
-	Sample   string // Sample content from Git.
-	path     string // Hook file path.
-}
-
-// GetHook returns a Git hook by given name and repository.
-func GetHook(repoPath, name string) (*Hook, error) {
-	if !IsValidHookName(name) {
-		return nil, ErrNotValidHook
-	}
-	h := &Hook{
-		name: name,
-		path: path.Join(repoPath, "hooks", name),
-	}
-	if isFile(h.path) {
-		data, err := ioutil.ReadFile(h.path)
-		if err != nil {
-			return nil, err
-		}
-		h.IsActive = true
-		h.Content = string(data)
-	} else if isFile(h.path + ".sample") {
-		data, err := ioutil.ReadFile(h.path + ".sample")
-		if err != nil {
-			return nil, err
-		}
-		h.Sample = string(data)
-	}
-	return h, nil
-}
-
-func (h *Hook) Name() string {
-	return h.name
-}
-
-// Update updates hook settings.
-func (h *Hook) Update() error {
-	if len(strings.TrimSpace(h.Content)) == 0 {
-		if com.IsExist(h.path) {
-			return os.Remove(h.path)
-		}
-		return nil
-	}
-	return ioutil.WriteFile(h.path, []byte(strings.Replace(h.Content, "\r", "", -1)), os.ModePerm)
-}
-
-// ListHooks returns a list of Git hooks of given repository.
-func ListHooks(repoPath string) (_ []*Hook, err error) {
-	if !isDir(path.Join(repoPath, "hooks")) {
-		return nil, errors.New("hooks path does not exist")
-	}
-
-	hooks := make([]*Hook, len(hookNames))
-	for i, name := range hookNames {
-		hooks[i], err = GetHook(repoPath, name)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return hooks, nil
-}
-
-func (repo *Repository) GetHook(name string) (*Hook, error) {
-	return GetHook(repo.Path, name)
-}
-
-func (repo *Repository) Hooks() ([]*Hook, error) {
-	return ListHooks(repo.Path)
-}
diff --git a/modules/git/repo.go b/modules/git/repo.go
deleted file mode 100644
index 39fad97d37..0000000000
--- a/modules/git/repo.go
+++ /dev/null
@@ -1,30 +0,0 @@
-// 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 git
-
-import (
-	"errors"
-	"path/filepath"
-)
-
-// Repository represents a Git repository.
-type Repository struct {
-	Path string
-
-	commitCache map[sha1]*Commit
-	tagCache    map[sha1]*Tag
-}
-
-// OpenRepository opens the repository at the given path.
-func OpenRepository(repoPath string) (*Repository, error) {
-	repoPath, err := filepath.Abs(repoPath)
-	if err != nil {
-		return nil, err
-	} else if !isDir(repoPath) {
-		return nil, errors.New("no such file or directory")
-	}
-
-	return &Repository{Path: repoPath}, nil
-}
diff --git a/modules/git/repo_branch.go b/modules/git/repo_branch.go
deleted file mode 100644
index 86c4f538b4..0000000000
--- a/modules/git/repo_branch.go
+++ /dev/null
@@ -1,50 +0,0 @@
-// 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 git
-
-import (
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-func IsBranchExist(repoPath, branchName string) bool {
-	_, _, err := com.ExecCmdDir(repoPath, "git", "show-ref", "--verify", "refs/heads/"+branchName)
-	return err == nil
-}
-
-func (repo *Repository) IsBranchExist(branchName string) bool {
-	return IsBranchExist(repo.Path, branchName)
-}
-
-func (repo *Repository) GetBranches() ([]string, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "show-ref", "--heads")
-	if err != nil {
-		return nil, concatenateError(err, stderr)
-	}
-	infos := strings.Split(stdout, "\n")
-	branches := make([]string, len(infos)-1)
-	for i, info := range infos[:len(infos)-1] {
-		parts := strings.Split(info, " ")
-		if len(parts) != 2 {
-			continue // NOTE: I should believe git will not give me wrong string.
-		}
-		branches[i] = strings.TrimPrefix(parts[1], "refs/heads/")
-	}
-	return branches, nil
-}
-
-// SetDefaultBranch sets default branch of repository.
-func (repo *Repository) SetDefaultBranch(branchName string) error {
-	if gitVer.LessThan(MustParseVersion("1.7.10")) {
-		return ErrUnsupportedVersion{"1.7.10"}
-	}
-
-	_, stderr, err := com.ExecCmdDir(repo.Path, "git", "symbolic-ref", "HEAD", "refs/heads/"+branchName)
-	if err != nil {
-		return concatenateError(err, stderr)
-	}
-	return nil
-}
diff --git a/modules/git/repo_commit.go b/modules/git/repo_commit.go
deleted file mode 100644
index 286330587f..0000000000
--- a/modules/git/repo_commit.go
+++ /dev/null
@@ -1,341 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-	"container/list"
-	"errors"
-	"fmt"
-	"strings"
-	"sync"
-
-	"github.com/Unknwon/com"
-)
-
-func (repo *Repository) getCommitIdOfRef(refpath string) (string, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "show-ref", "--verify", refpath)
-	if err != nil {
-		return "", errors.New(stderr)
-	}
-	return strings.Split(stdout, " ")[0], nil
-}
-
-func (repo *Repository) GetCommitIdOfBranch(branchName string) (string, error) {
-	return repo.getCommitIdOfRef("refs/heads/" + branchName)
-}
-
-// get branch's last commit or a special commit by id string
-func (repo *Repository) GetCommitOfBranch(branchName string) (*Commit, error) {
-	commitId, err := repo.GetCommitIdOfBranch(branchName)
-	if err != nil {
-		return nil, err
-	}
-	return repo.GetCommit(commitId)
-}
-
-func (repo *Repository) GetCommitIdOfTag(tagName string) (string, error) {
-	return repo.getCommitIdOfRef("refs/tags/" + tagName)
-}
-
-func (repo *Repository) GetCommitOfTag(tagName string) (*Commit, error) {
-	tag, err := repo.GetTag(tagName)
-	if err != nil {
-		return nil, err
-	}
-	return tag.Commit()
-}
-
-// Parse commit information from the (uncompressed) raw
-// data from the commit object.
-// \n\n separate headers from message
-func parseCommitData(data []byte) (*Commit, error) {
-	commit := new(Commit)
-	commit.parents = make([]sha1, 0, 1)
-	// we now have the contents of the commit object. Let's investigate...
-	nextline := 0
-l:
-	for {
-		eol := bytes.IndexByte(data[nextline:], '\n')
-		switch {
-		case eol > 0:
-			line := data[nextline : nextline+eol]
-			spacepos := bytes.IndexByte(line, ' ')
-			reftype := line[:spacepos]
-			switch string(reftype) {
-			case "tree":
-				id, err := NewIdFromString(string(line[spacepos+1:]))
-				if err != nil {
-					return nil, err
-				}
-				commit.Tree.ID = id
-			case "parent":
-				// A commit can have one or more parents
-				oid, err := NewIdFromString(string(line[spacepos+1:]))
-				if err != nil {
-					return nil, err
-				}
-				commit.parents = append(commit.parents, oid)
-			case "author":
-				sig, err := newSignatureFromCommitline(line[spacepos+1:])
-				if err != nil {
-					return nil, err
-				}
-				commit.Author = sig
-			case "committer":
-				sig, err := newSignatureFromCommitline(line[spacepos+1:])
-				if err != nil {
-					return nil, err
-				}
-				commit.Committer = sig
-			}
-			nextline += eol + 1
-		case eol == 0:
-			commit.CommitMessage = string(data[nextline+1:])
-			break l
-		default:
-			break l
-		}
-	}
-	return commit, nil
-}
-
-func (repo *Repository) getCommit(id sha1) (*Commit, error) {
-	if repo.commitCache != nil {
-		if c, ok := repo.commitCache[id]; ok {
-			return c, nil
-		}
-	} else {
-		repo.commitCache = make(map[sha1]*Commit, 10)
-	}
-
-	data, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "cat-file", "-p", id.String())
-	if err != nil {
-		return nil, concatenateError(err, string(stderr))
-	}
-
-	commit, err := parseCommitData(data)
-	if err != nil {
-		return nil, err
-	}
-	commit.repo = repo
-	commit.ID = id
-
-	repo.commitCache[id] = commit
-	return commit, nil
-}
-
-// Find the commit object in the repository.
-func (repo *Repository) GetCommit(commitId string) (*Commit, error) {
-	id, err := NewIdFromString(commitId)
-	if err != nil {
-		return nil, err
-	}
-
-	return repo.getCommit(id)
-}
-
-func (repo *Repository) commitsCount(id sha1) (int, error) {
-	if gitVer.LessThan(MustParseVersion("1.8.0")) {
-		stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "log",
-			"--pretty=format:''", id.String())
-		if err != nil {
-			return 0, errors.New(string(stderr))
-		}
-		return len(bytes.Split(stdout, []byte("\n"))), nil
-	}
-
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "rev-list", "--count", id.String())
-	if err != nil {
-		return 0, errors.New(stderr)
-	}
-	return com.StrTo(strings.TrimSpace(stdout)).Int()
-}
-
-func (repo *Repository) CommitsCount(commitId string) (int, error) {
-	id, err := NewIdFromString(commitId)
-	if err != nil {
-		return 0, err
-	}
-	return repo.commitsCount(id)
-}
-
-func (repo *Repository) commitsCountBetween(start, end sha1) (int, error) {
-	if gitVer.LessThan(MustParseVersion("1.8.0")) {
-		stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "log",
-			"--pretty=format:''", start.String()+"..."+end.String())
-		if err != nil {
-			return 0, errors.New(string(stderr))
-		}
-		return len(bytes.Split(stdout, []byte("\n"))), nil
-	}
-
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "rev-list", "--count",
-		start.String()+"..."+end.String())
-	if err != nil {
-		return 0, errors.New(stderr)
-	}
-	return com.StrTo(strings.TrimSpace(stdout)).Int()
-}
-
-func (repo *Repository) CommitsCountBetween(startCommitID, endCommitID string) (int, error) {
-	start, err := NewIdFromString(startCommitID)
-	if err != nil {
-		return 0, err
-	}
-	end, err := NewIdFromString(endCommitID)
-	if err != nil {
-		return 0, err
-	}
-	return repo.commitsCountBetween(start, end)
-}
-
-func (repo *Repository) FilesCountBetween(startCommitID, endCommitID string) (int, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "diff", "--name-only",
-		startCommitID+"..."+endCommitID)
-	if err != nil {
-		return 0, fmt.Errorf("list changed files: %v", concatenateError(err, stderr))
-	}
-	return len(strings.Split(stdout, "\n")) - 1, nil
-}
-
-// used only for single tree, (]
-func (repo *Repository) CommitsBetween(last *Commit, before *Commit) (*list.List, error) {
-	l := list.New()
-	if last == nil || last.ParentCount() == 0 {
-		return l, nil
-	}
-
-	var err error
-	cur := last
-	for {
-		if cur.ID.Equal(before.ID) {
-			break
-		}
-		l.PushBack(cur)
-		if cur.ParentCount() == 0 {
-			break
-		}
-		cur, err = cur.Parent(0)
-		if err != nil {
-			return nil, err
-		}
-	}
-	return l, nil
-}
-
-func (repo *Repository) commitsBefore(lock *sync.Mutex, l *list.List, parent *list.Element, id sha1, limit int) error {
-	commit, err := repo.getCommit(id)
-	if err != nil {
-		return fmt.Errorf("getCommit: %v", err)
-	}
-
-	var e *list.Element
-	if parent == nil {
-		e = l.PushBack(commit)
-	} else {
-		var in = parent
-		for {
-			if in == nil {
-				break
-			} else if in.Value.(*Commit).ID.Equal(commit.ID) {
-				return nil
-			} else {
-				if in.Next() == nil {
-					break
-				}
-				if in.Value.(*Commit).Committer.When.Equal(commit.Committer.When) {
-					break
-				}
-
-				if in.Value.(*Commit).Committer.When.After(commit.Committer.When) &&
-					in.Next().Value.(*Commit).Committer.When.Before(commit.Committer.When) {
-					break
-				}
-			}
-			in = in.Next()
-		}
-
-		e = l.InsertAfter(commit, in)
-	}
-
-	var pr = parent
-	if commit.ParentCount() > 1 {
-		pr = e
-	}
-
-	for i := 0; i < commit.ParentCount(); i++ {
-		id, err := commit.ParentId(i)
-		if err != nil {
-			return err
-		}
-		err = repo.commitsBefore(lock, l, pr, id, 0)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (repo *Repository) FileCommitsCount(branch, file string) (int, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "rev-list", "--count",
-		branch, "--", file)
-	if err != nil {
-		return 0, errors.New(stderr)
-	}
-	return com.StrTo(strings.TrimSpace(stdout)).Int()
-}
-
-func (repo *Repository) CommitsByFileAndRange(branch, file string, page int) (*list.List, error) {
-	stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "log", branch,
-		"--skip="+com.ToStr((page-1)*50), "--max-count=50", prettyLogFormat, "--", file)
-	if err != nil {
-		return nil, errors.New(string(stderr))
-	}
-	return parsePrettyFormatLog(repo, stdout)
-}
-
-func (repo *Repository) getCommitsBefore(id sha1) (*list.List, error) {
-	l := list.New()
-	lock := new(sync.Mutex)
-	return l, repo.commitsBefore(lock, l, nil, id, 0)
-}
-
-func (repo *Repository) searchCommits(id sha1, keyword string) (*list.List, error) {
-	stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "log", id.String(), "-100",
-		"-i", "--grep="+keyword, prettyLogFormat)
-	if err != nil {
-		return nil, err
-	} else if len(stderr) > 0 {
-		return nil, errors.New(string(stderr))
-	}
-	return parsePrettyFormatLog(repo, stdout)
-}
-
-var CommitsRangeSize = 50
-
-func (repo *Repository) commitsByRange(id sha1, page int) (*list.List, error) {
-	stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "log", id.String(),
-		"--skip="+com.ToStr((page-1)*CommitsRangeSize), "--max-count="+com.ToStr(CommitsRangeSize), prettyLogFormat)
-	if err != nil {
-		return nil, errors.New(string(stderr))
-	}
-	return parsePrettyFormatLog(repo, stdout)
-}
-
-func (repo *Repository) getCommitOfRelPath(id sha1, relPath string) (*Commit, error) {
-	stdout, _, err := com.ExecCmdDir(repo.Path, "git", "log", "-1", prettyLogFormat, id.String(), "--", relPath)
-	if err != nil {
-		return nil, err
-	}
-
-	id, err = NewIdFromString(string(stdout))
-	if err != nil {
-		return nil, err
-	}
-
-	return repo.getCommit(id)
-}
diff --git a/modules/git/repo_object.go b/modules/git/repo_object.go
deleted file mode 100644
index da79f2c731..0000000000
--- a/modules/git/repo_object.go
+++ /dev/null
@@ -1,14 +0,0 @@
-// 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 git
-
-type ObjectType string
-
-const (
-	COMMIT ObjectType = "commit"
-	TREE   ObjectType = "tree"
-	BLOB   ObjectType = "blob"
-	TAG    ObjectType = "tag"
-)
diff --git a/modules/git/repo_pull.go b/modules/git/repo_pull.go
deleted file mode 100644
index f9ea710062..0000000000
--- a/modules/git/repo_pull.go
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright 2015 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 git
-
-import (
-	"container/list"
-	"fmt"
-	"strings"
-	"time"
-
-	"github.com/Unknwon/com"
-)
-
-type PullRequestInfo struct {
-	MergeBase string
-	Commits   *list.List
-	// Diff      *Diff
-	NumFiles int
-}
-
-// GetMergeBase checks and returns merge base of two branches.
-func (repo *Repository) GetMergeBase(remoteBranch, headBranch string) (string, error) {
-	// Get merge base commit.
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "merge-base", remoteBranch, headBranch)
-	if err != nil {
-		return "", fmt.Errorf("get merge base: %v", concatenateError(err, stderr))
-	}
-	return strings.TrimSpace(stdout), nil
-}
-
-// AddRemote adds a remote to repository.
-func (repo *Repository) AddRemote(name, path string) error {
-	_, stderr, err := com.ExecCmdDir(repo.Path, "git", "remote", "add", "-f", name, path)
-	if err != nil {
-		return fmt.Errorf("add remote(%s - %s): %v", name, path, concatenateError(err, stderr))
-	}
-	return nil
-}
-
-// RemoveRemote removes a remote from repository.
-func (repo *Repository) RemoveRemote(name string) error {
-	_, stderr, err := com.ExecCmdDir(repo.Path, "git", "remote", "remove", name)
-	if err != nil {
-		return fmt.Errorf("remove remote(%s): %v", name, concatenateError(err, stderr))
-	}
-	return nil
-}
-
-// GetPullRequestInfo generates and returns pull request information
-// between base and head branches of repositories.
-func (repo *Repository) GetPullRequestInfo(basePath, baseBranch, headBranch string) (_ *PullRequestInfo, err error) {
-	// Add a temporary remote.
-	tmpRemote := com.ToStr(time.Now().UnixNano())
-	if err = repo.AddRemote(tmpRemote, basePath); err != nil {
-		return nil, fmt.Errorf("AddRemote: %v", err)
-	}
-	defer func() {
-		repo.RemoveRemote(tmpRemote)
-	}()
-
-	remoteBranch := "remotes/" + tmpRemote + "/" + baseBranch
-
-	prInfo := new(PullRequestInfo)
-	prInfo.MergeBase, err = repo.GetMergeBase(remoteBranch, headBranch)
-	if err != nil {
-		return nil, fmt.Errorf("GetMergeBase: %v", err)
-	}
-
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "log", prInfo.MergeBase+"..."+headBranch, prettyLogFormat)
-	if err != nil {
-		return nil, fmt.Errorf("list diff logs: %v", concatenateError(err, stderr))
-	}
-	prInfo.Commits, err = parsePrettyFormatLog(repo, []byte(stdout))
-	if err != nil {
-		return nil, fmt.Errorf("parsePrettyFormatLog: %v", err)
-	}
-
-	// Count number of changed files.
-	stdout, stderr, err = com.ExecCmdDir(repo.Path, "git", "diff", "--name-only", remoteBranch+"..."+headBranch)
-	if err != nil {
-		return nil, fmt.Errorf("list changed files: %v", concatenateError(err, stderr))
-	}
-	prInfo.NumFiles = len(strings.Split(stdout, "\n")) - 1
-
-	return prInfo, nil
-}
-
-// GetPatch generates and returns patch data between given branches.
-func (repo *Repository) GetPatch(mergeBase, headBranch string) ([]byte, error) {
-	stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "diff", "-p", "--binary", mergeBase, headBranch)
-	if err != nil {
-		return nil, concatenateError(err, string(stderr))
-	}
-
-	return stdout, nil
-}
-
-// Merge merges pull request from head repository and branch.
-func (repo *Repository) Merge(headRepoPath string, baseBranch, headBranch string) error {
-
-	return nil
-}
diff --git a/modules/git/repo_tag.go b/modules/git/repo_tag.go
deleted file mode 100644
index a1f8164981..0000000000
--- a/modules/git/repo_tag.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// 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 git
-
-import (
-	"errors"
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-func IsTagExist(repoPath, tagName string) bool {
-	_, _, err := com.ExecCmdDir(repoPath, "git", "show-ref", "--verify", "refs/tags/"+tagName)
-	return err == nil
-}
-
-func (repo *Repository) IsTagExist(tagName string) bool {
-	return IsTagExist(repo.Path, tagName)
-}
-
-func (repo *Repository) getTagsReversed() ([]string, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "tag", "-l", "--sort=-v:refname")
-	if err != nil {
-		return nil, concatenateError(err, stderr)
-	}
-	tags := strings.Split(stdout, "\n")
-	return tags[:len(tags)-1], nil
-}
-
-// GetTags returns all tags of given repository.
-func (repo *Repository) GetTags() ([]string, error) {
-	if gitVer.AtLeast(MustParseVersion("2.0.0")) {
-		return repo.getTagsReversed()
-	}
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "tag", "-l")
-	if err != nil {
-		return nil, concatenateError(err, stderr)
-	}
-	tags := strings.Split(stdout, "\n")
-	return tags[:len(tags)-1], nil
-}
-
-func (repo *Repository) CreateTag(tagName, idStr string) error {
-	_, stderr, err := com.ExecCmdDir(repo.Path, "git", "tag", tagName, idStr)
-	if err != nil {
-		return errors.New(stderr)
-	}
-	return nil
-}
-
-func (repo *Repository) getTag(id sha1) (*Tag, error) {
-	if repo.tagCache != nil {
-		if t, ok := repo.tagCache[id]; ok {
-			return t, nil
-		}
-	} else {
-		repo.tagCache = make(map[sha1]*Tag, 10)
-	}
-
-	// Get tag type.
-	tp, stderr, err := com.ExecCmdDir(repo.Path, "git", "cat-file", "-t", id.String())
-	if err != nil {
-		return nil, errors.New(stderr)
-	}
-	tp = strings.TrimSpace(tp)
-
-	// Tag is a commit.
-	if ObjectType(tp) == COMMIT {
-		tag := &Tag{
-			ID:     id,
-			Object: id,
-			Type:   string(COMMIT),
-			repo:   repo,
-		}
-		repo.tagCache[id] = tag
-		return tag, nil
-	}
-
-	// Tag with message.
-	data, bytErr, err := com.ExecCmdDirBytes(repo.Path, "git", "cat-file", "-p", id.String())
-	if err != nil {
-		return nil, errors.New(string(bytErr))
-	}
-
-	tag, err := parseTagData(data)
-	if err != nil {
-		return nil, err
-	}
-
-	tag.ID = id
-	tag.repo = repo
-
-	repo.tagCache[id] = tag
-	return tag, nil
-}
-
-// GetTag returns a Git tag by given name.
-func (repo *Repository) GetTag(tagName string) (*Tag, error) {
-	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "show-ref", "--tags", tagName)
-	if err != nil {
-		return nil, errors.New(stderr)
-	}
-
-	id, err := NewIdFromString(strings.Split(stdout, " ")[0])
-	if err != nil {
-		return nil, err
-	}
-
-	tag, err := repo.getTag(id)
-	if err != nil {
-		return nil, err
-	}
-	tag.Name = tagName
-	return tag, nil
-}
diff --git a/modules/git/repo_tree.go b/modules/git/repo_tree.go
deleted file mode 100644
index da394c3605..0000000000
--- a/modules/git/repo_tree.go
+++ /dev/null
@@ -1,32 +0,0 @@
-// 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 git
-
-import (
-	"fmt"
-
-	"github.com/Unknwon/com"
-)
-
-// Find the tree object in the repository.
-func (repo *Repository) GetTree(idStr string) (*Tree, error) {
-	id, err := NewIdFromString(idStr)
-	if err != nil {
-		return nil, err
-	}
-	return repo.getTree(id)
-}
-
-func (repo *Repository) getTree(id sha1) (*Tree, error) {
-	treePath := filepathFromSHA1(repo.Path, id.String())
-	if !com.IsFile(treePath) {
-		_, _, err := com.ExecCmdDir(repo.Path, "git", "ls-tree", id.String())
-		if err != nil {
-			return nil, fmt.Errorf("repo.getTree: %v", ErrNotExist)
-		}
-	}
-
-	return NewTree(repo, id), nil
-}
diff --git a/modules/git/sha1.go b/modules/git/sha1.go
deleted file mode 100644
index f286f35a97..0000000000
--- a/modules/git/sha1.go
+++ /dev/null
@@ -1,87 +0,0 @@
-// 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 git
-
-import (
-	"encoding/hex"
-	"errors"
-	"fmt"
-	"strings"
-)
-
-var (
-	IDNotExist = errors.New("sha1 ID does not exist")
-)
-
-type sha1 [20]byte
-
-// Return true if s has the same sha1 as caller.
-// Support 40-length-string, []byte, sha1
-func (id sha1) Equal(s2 interface{}) bool {
-	switch v := s2.(type) {
-	case string:
-		if len(v) != 40 {
-			return false
-		}
-		return v == id.String()
-	case []byte:
-		if len(v) != 20 {
-			return false
-		}
-		for i, v := range v {
-			if id[i] != v {
-				return false
-			}
-		}
-	case sha1:
-		for i, v := range v {
-			if id[i] != v {
-				return false
-			}
-		}
-	default:
-		return false
-	}
-	return true
-}
-
-// Return string (hex) representation of the Oid
-func (s sha1) String() string {
-	result := make([]byte, 0, 40)
-	hexvalues := []byte("0123456789abcdef")
-	for i := 0; i < 20; i++ {
-		result = append(result, hexvalues[s[i]>>4])
-		result = append(result, hexvalues[s[i]&0xf])
-	}
-	return string(result)
-}
-
-// Create a new sha1 from a 20 byte slice.
-func NewId(b []byte) (sha1, error) {
-	var id sha1
-	if len(b) != 20 {
-		return id, errors.New("Length must be 20")
-	}
-
-	for i := 0; i < 20; i++ {
-		id[i] = b[i]
-	}
-	return id, nil
-}
-
-// Create a new sha1 from a Sha1 string of length 40.
-func NewIdFromString(s string) (sha1, error) {
-	s = strings.TrimSpace(s)
-	var id sha1
-	if len(s) != 40 {
-		return id, fmt.Errorf("Length must be 40")
-	}
-	b, err := hex.DecodeString(s)
-	if err != nil {
-		return id, err
-	}
-
-	return NewId(b)
-}
diff --git a/modules/git/signature.go b/modules/git/signature.go
deleted file mode 100644
index 6cd9294303..0000000000
--- a/modules/git/signature.go
+++ /dev/null
@@ -1,51 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-	"strconv"
-	"time"
-)
-
-// Author and Committer information
-type Signature struct {
-	Email string
-	Name  string
-	When  time.Time
-}
-
-// Helper to get a signature from the commit line, which looks like these:
-//     author Patrick Gundlach <gundlach@speedata.de> 1378823654 +0200
-//     author Patrick Gundlach <gundlach@speedata.de> Thu, 07 Apr 2005 22:13:13 +0200
-// but without the "author " at the beginning (this method should)
-// be used for author and committer.
-//
-// FIXME: include timezone for timestamp!
-func newSignatureFromCommitline(line []byte) (_ *Signature, err error) {
-	sig := new(Signature)
-	emailStart := bytes.IndexByte(line, '<')
-	sig.Name = string(line[:emailStart-1])
-	emailEnd := bytes.IndexByte(line, '>')
-	sig.Email = string(line[emailStart+1 : emailEnd])
-
-	// Check date format.
-	firstChar := line[emailEnd+2]
-	if firstChar >= 48 && firstChar <= 57 {
-		timestop := bytes.IndexByte(line[emailEnd+2:], ' ')
-		timestring := string(line[emailEnd+2 : emailEnd+2+timestop])
-		seconds, err := strconv.ParseInt(timestring, 10, 64)
-		if err != nil {
-			return nil, err
-		}
-		sig.When = time.Unix(seconds, 0)
-	} else {
-		sig.When, err = time.Parse("Mon Jan _2 15:04:05 2006 -0700", string(line[emailEnd+2:]))
-		if err != nil {
-			return nil, err
-		}
-	}
-	return sig, nil
-}
diff --git a/modules/git/signature_test.go b/modules/git/signature_test.go
deleted file mode 100644
index a84f9b3df7..0000000000
--- a/modules/git/signature_test.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2015 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 git
-
-import (
-	"testing"
-
-	. "github.com/smartystreets/goconvey/convey"
-)
-
-func Test_newSignatureFromCommitline(t *testing.T) {
-	Convey("Parse signature from commit line", t, func() {
-		line := "Intern <intern@macbook-intern.(none)> 1445412825 +0200"
-		sig, err := newSignatureFromCommitline([]byte(line))
-		So(err, ShouldBeNil)
-		So(sig, ShouldNotBeNil)
-	})
-}
diff --git a/modules/git/submodule.go b/modules/git/submodule.go
deleted file mode 100644
index 10680c242a..0000000000
--- a/modules/git/submodule.go
+++ /dev/null
@@ -1,70 +0,0 @@
-// 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 git
-
-import (
-	"strings"
-
-	"github.com/gogits/gogs/modules/setting"
-)
-
-type SubModule struct {
-	Name string
-	Url  string
-}
-
-// SubModuleFile represents a file with submodule type.
-type SubModuleFile struct {
-	*Commit
-
-	refUrl string
-	refId  string
-}
-
-func NewSubModuleFile(c *Commit, refUrl, refId string) *SubModuleFile {
-	return &SubModuleFile{
-		Commit: c,
-		refUrl: refUrl,
-		refId:  refId,
-	}
-}
-
-// RefUrl guesses and returns reference URL.
-func (sf *SubModuleFile) RefUrl() string {
-	if sf.refUrl == "" {
-		return ""
-	}
-
-	url := strings.TrimSuffix(sf.refUrl, ".git")
-
-	// git://xxx/user/repo
-	if strings.HasPrefix(url, "git://") {
-		return "http://" + strings.TrimPrefix(url, "git://")
-	}
-
-	// http[s]://xxx/user/repo
-	if strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://") {
-		return url
-	}
-
-	// sysuser@xxx:user/repo
-	i := strings.Index(url, "@")
-	j := strings.LastIndex(url, ":")
-	if i > -1 && j > -1 {
-		// fix problem with reverse proxy works only with local server
-		if strings.Contains(setting.AppUrl, url[i+1:j]) {
-			return setting.AppUrl + url[j+1:]
-		} else {
-			return "http://" + url[i+1:j] + "/" + url[j+1:]
-		}
-	}
-
-	return url
-}
-
-// RefId returns reference ID.
-func (sf *SubModuleFile) RefId() string {
-	return sf.refId
-}
diff --git a/modules/git/tag.go b/modules/git/tag.go
deleted file mode 100644
index 8010aa9d5f..0000000000
--- a/modules/git/tag.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-)
-
-// Tag represents a Git tag.
-type Tag struct {
-	Name       string
-	ID         sha1
-	repo       *Repository
-	Object     sha1 // The id of this commit object
-	Type       string
-	Tagger     *Signature
-	TagMessage string
-}
-
-func (tag *Tag) Commit() (*Commit, error) {
-	return tag.repo.getCommit(tag.Object)
-}
-
-// Parse commit information from the (uncompressed) raw
-// data from the commit object.
-// \n\n separate headers from message
-func parseTagData(data []byte) (*Tag, error) {
-	tag := new(Tag)
-	// we now have the contents of the commit object. Let's investigate...
-	nextline := 0
-l:
-	for {
-		eol := bytes.IndexByte(data[nextline:], '\n')
-		switch {
-		case eol > 0:
-			line := data[nextline : nextline+eol]
-			spacepos := bytes.IndexByte(line, ' ')
-			reftype := line[:spacepos]
-			switch string(reftype) {
-			case "object":
-				id, err := NewIdFromString(string(line[spacepos+1:]))
-				if err != nil {
-					return nil, err
-				}
-				tag.Object = id
-			case "type":
-				// A commit can have one or more parents
-				tag.Type = string(line[spacepos+1:])
-			case "tagger":
-				sig, err := newSignatureFromCommitline(line[spacepos+1:])
-				if err != nil {
-					return nil, err
-				}
-				tag.Tagger = sig
-			}
-			nextline += eol + 1
-		case eol == 0:
-			tag.TagMessage = string(data[nextline+1:])
-			break l
-		default:
-			break l
-		}
-	}
-	return tag, nil
-}
diff --git a/modules/git/tree.go b/modules/git/tree.go
deleted file mode 100644
index 1a561cf5c1..0000000000
--- a/modules/git/tree.go
+++ /dev/null
@@ -1,157 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-	"errors"
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-var (
-	ErrNotExist = errors.New("error not exist")
-)
-
-// A tree is a flat directory listing.
-type Tree struct {
-	ID   sha1
-	repo *Repository
-
-	// parent tree
-	ptree *Tree
-
-	entries       Entries
-	entriesParsed bool
-}
-
-var escapeChar = []byte("\\")
-
-func UnescapeChars(in []byte) []byte {
-	if bytes.Index(in, escapeChar) == -1 {
-		return in
-	}
-
-	endIdx := len(in) - 1
-	isEscape := false
-	out := make([]byte, 0, endIdx+1)
-	for i := range in {
-		if in[i] == '\\' && !isEscape {
-			isEscape = true
-			continue
-		}
-		isEscape = false
-		out = append(out, in[i])
-	}
-	return out
-}
-
-// Parse tree information from the (uncompressed) raw
-// data from the tree object.
-func parseTreeData(tree *Tree, data []byte) ([]*TreeEntry, error) {
-	entries := make([]*TreeEntry, 0, 10)
-	l := len(data)
-	pos := 0
-	for pos < l {
-		entry := new(TreeEntry)
-		entry.ptree = tree
-		step := 6
-		switch string(data[pos : pos+step]) {
-		case "100644":
-			entry.mode = ModeBlob
-			entry.Type = BLOB
-		case "100755":
-			entry.mode = ModeExec
-			entry.Type = BLOB
-		case "120000":
-			entry.mode = ModeSymlink
-			entry.Type = BLOB
-		case "160000":
-			entry.mode = ModeCommit
-			entry.Type = COMMIT
-
-			step = 8
-		case "040000":
-			entry.mode = ModeTree
-			entry.Type = TREE
-		default:
-			return nil, errors.New("unknown type: " + string(data[pos:pos+step]))
-		}
-		pos += step + 6 // Skip string type of entry type.
-
-		step = 40
-		id, err := NewIdFromString(string(data[pos : pos+step]))
-		if err != nil {
-			return nil, err
-		}
-		entry.ID = id
-		pos += step + 1 // Skip half of sha1.
-
-		step = bytes.IndexByte(data[pos:], '\n')
-
-		// In case entry name is surrounded by double quotes(it happens only in git-shell).
-		if data[pos] == '"' {
-			entry.name = string(UnescapeChars(data[pos+1 : pos+step-1]))
-		} else {
-			entry.name = string(data[pos : pos+step])
-		}
-
-		pos += step + 1
-		entries = append(entries, entry)
-	}
-	return entries, nil
-}
-
-func (t *Tree) SubTree(rpath string) (*Tree, error) {
-	if len(rpath) == 0 {
-		return t, nil
-	}
-
-	paths := strings.Split(rpath, "/")
-	var err error
-	var g = t
-	var p = t
-	var te *TreeEntry
-	for _, name := range paths {
-		te, err = p.GetTreeEntryByPath(name)
-		if err != nil {
-			return nil, err
-		}
-
-		g, err = t.repo.getTree(te.ID)
-		if err != nil {
-			return nil, err
-		}
-		g.ptree = p
-		p = g
-	}
-	return g, nil
-}
-
-func (t *Tree) ListEntries(relpath string) (Entries, error) {
-	if t.entriesParsed {
-		return t.entries, nil
-	}
-	t.entriesParsed = true
-
-	stdout, stderr, err := com.ExecCmdDirBytes(t.repo.Path,
-		"git", "ls-tree", t.ID.String())
-	if err != nil {
-		if strings.Contains(err.Error(), "exit status 128") {
-			return nil, errors.New(strings.TrimSpace(string(stderr)))
-		}
-		return nil, err
-	}
-	t.entries, err = parseTreeData(t, stdout)
-	return t.entries, err
-}
-
-func NewTree(repo *Repository, id sha1) *Tree {
-	tree := new(Tree)
-	tree.ID = id
-	tree.repo = repo
-	return tree
-}
diff --git a/modules/git/tree_blob.go b/modules/git/tree_blob.go
deleted file mode 100644
index 44c5d0c8bf..0000000000
--- a/modules/git/tree_blob.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// 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 git
-
-import (
-	"fmt"
-	"path"
-	"strings"
-)
-
-func (t *Tree) GetTreeEntryByPath(relpath string) (*TreeEntry, error) {
-	if len(relpath) == 0 {
-		return &TreeEntry{
-			ID:   t.ID,
-			Type: TREE,
-			mode: ModeTree,
-		}, nil
-		// return nil, fmt.Errorf("GetTreeEntryByPath(empty relpath): %v", ErrNotExist)
-	}
-
-	relpath = path.Clean(relpath)
-	parts := strings.Split(relpath, "/")
-	var err error
-	tree := t
-	for i, name := range parts {
-		if i == len(parts)-1 {
-			entries, err := tree.ListEntries(path.Dir(relpath))
-			if err != nil {
-				return nil, err
-			}
-			for _, v := range entries {
-				if v.name == name {
-					return v, nil
-				}
-			}
-		} else {
-			tree, err = tree.SubTree(name)
-			if err != nil {
-				return nil, err
-			}
-		}
-	}
-	return nil, fmt.Errorf("GetTreeEntryByPath: %v", ErrNotExist)
-}
-
-func (t *Tree) GetBlobByPath(rpath string) (*Blob, error) {
-	entry, err := t.GetTreeEntryByPath(rpath)
-	if err != nil {
-		return nil, err
-	}
-
-	if !entry.IsDir() {
-		return entry.Blob(), nil
-	}
-
-	return nil, ErrNotExist
-}
diff --git a/modules/git/tree_entry.go b/modules/git/tree_entry.go
deleted file mode 100644
index 1825025796..0000000000
--- a/modules/git/tree_entry.go
+++ /dev/null
@@ -1,113 +0,0 @@
-// 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 git
-
-import (
-	"sort"
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-type EntryMode int
-
-// There are only a few file modes in Git. They look like unix file modes, but they can only be
-// one of these.
-const (
-	ModeBlob    EntryMode = 0100644
-	ModeExec    EntryMode = 0100755
-	ModeSymlink EntryMode = 0120000
-	ModeCommit  EntryMode = 0160000
-	ModeTree    EntryMode = 0040000
-)
-
-type TreeEntry struct {
-	ID   sha1
-	Type ObjectType
-
-	mode EntryMode
-	name string
-
-	ptree *Tree
-
-	commited bool
-
-	size  int64
-	sized bool
-}
-
-func (te *TreeEntry) Name() string {
-	return te.name
-}
-
-func (te *TreeEntry) Size() int64 {
-	if te.IsDir() {
-		return 0
-	}
-
-	if te.sized {
-		return te.size
-	}
-
-	stdout, _, err := com.ExecCmdDir(te.ptree.repo.Path, "git", "cat-file", "-s", te.ID.String())
-	if err != nil {
-		return 0
-	}
-
-	te.sized = true
-	te.size = com.StrTo(strings.TrimSpace(stdout)).MustInt64()
-	return te.size
-}
-
-func (te *TreeEntry) IsSubModule() bool {
-	return te.mode == ModeCommit
-}
-
-func (te *TreeEntry) IsDir() bool {
-	return te.mode == ModeTree
-}
-
-func (te *TreeEntry) EntryMode() EntryMode {
-	return te.mode
-}
-
-func (te *TreeEntry) Blob() *Blob {
-	return &Blob{
-		repo:      te.ptree.repo,
-		TreeEntry: te,
-	}
-}
-
-type Entries []*TreeEntry
-
-var sorter = []func(t1, t2 *TreeEntry) bool{
-	func(t1, t2 *TreeEntry) bool {
-		return (t1.IsDir() || t1.IsSubModule()) && !t2.IsDir() && !t2.IsSubModule()
-	},
-	func(t1, t2 *TreeEntry) bool {
-		return t1.name < t2.name
-	},
-}
-
-func (bs Entries) Len() int      { return len(bs) }
-func (bs Entries) Swap(i, j int) { bs[i], bs[j] = bs[j], bs[i] }
-func (bs Entries) Less(i, j int) bool {
-	t1, t2 := bs[i], bs[j]
-	var k int
-	for k = 0; k < len(sorter)-1; k++ {
-		sort := sorter[k]
-		switch {
-		case sort(t1, t2):
-			return true
-		case sort(t2, t1):
-			return false
-		}
-	}
-	return sorter[k](t1, t2)
-}
-
-func (bs Entries) Sort() {
-	sort.Sort(bs)
-}
diff --git a/modules/git/utils.go b/modules/git/utils.go
deleted file mode 100644
index d2d0c19ed9..0000000000
--- a/modules/git/utils.go
+++ /dev/null
@@ -1,82 +0,0 @@
-// 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 git
-
-import (
-	"bytes"
-	"container/list"
-	"fmt"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-const prettyLogFormat = `--pretty=format:%H`
-
-func parsePrettyFormatLog(repo *Repository, logByts []byte) (*list.List, error) {
-	l := list.New()
-	if len(logByts) == 0 {
-		return l, nil
-	}
-
-	parts := bytes.Split(logByts, []byte{'\n'})
-
-	for _, commitId := range parts {
-		commit, err := repo.GetCommit(string(commitId))
-		if err != nil {
-			return nil, err
-		}
-		l.PushBack(commit)
-	}
-
-	return l, nil
-}
-
-func RefEndName(refStr string) string {
-	if strings.HasPrefix(refStr, "refs/heads/") {
-		// trim the "refs/heads/"
-		return refStr[len("refs/heads/"):]
-	}
-
-	index := strings.LastIndex(refStr, "/")
-	if index != -1 {
-		return refStr[index+1:]
-	}
-	return refStr
-}
-
-// If the object is stored in its own file (i.e not in a pack file),
-// this function returns the full path to the object file.
-// It does not test if the file exists.
-func filepathFromSHA1(rootdir, sha1 string) string {
-	return filepath.Join(rootdir, "objects", sha1[:2], sha1[2:])
-}
-
-// isDir returns true if given path is a directory,
-// or returns false when it's a file or does not exist.
-func isDir(dir string) bool {
-	f, e := os.Stat(dir)
-	if e != nil {
-		return false
-	}
-	return f.IsDir()
-}
-
-// isFile returns true if given path is a file,
-// or returns false when it's a directory or does not exist.
-func isFile(filePath string) bool {
-	f, e := os.Stat(filePath)
-	if e != nil {
-		return false
-	}
-	return !f.IsDir()
-}
-
-func concatenateError(err error, stderr string) error {
-	if len(stderr) == 0 {
-		return err
-	}
-	return fmt.Errorf("%v: %s", err, stderr)
-}
diff --git a/modules/git/version.go b/modules/git/version.go
deleted file mode 100644
index 9940518abb..0000000000
--- a/modules/git/version.go
+++ /dev/null
@@ -1,104 +0,0 @@
-// 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 git
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-
-	"github.com/Unknwon/com"
-)
-
-var (
-	// Cached Git version.
-	gitVer *Version
-)
-
-// Version represents version of Git.
-type Version struct {
-	Major, Minor, Patch int
-}
-
-func ParseVersion(verStr string) (*Version, error) {
-	infos := strings.Split(verStr, ".")
-	if len(infos) < 3 {
-		return nil, errors.New("incorrect version input")
-	}
-
-	v := &Version{}
-	for i, s := range infos {
-		switch i {
-		case 0:
-			v.Major, _ = com.StrTo(s).Int()
-		case 1:
-			v.Minor, _ = com.StrTo(s).Int()
-		case 2:
-			v.Patch, _ = com.StrTo(strings.TrimSpace(s)).Int()
-		}
-	}
-	return v, nil
-}
-
-func MustParseVersion(verStr string) *Version {
-	v, _ := ParseVersion(verStr)
-	return v
-}
-
-// Compare compares two versions,
-// it returns 1 if original is greater, -1 if original is smaller, 0 if equal.
-func (v *Version) Compare(that *Version) int {
-	if v.Major > that.Major {
-		return 1
-	} else if v.Major < that.Major {
-		return -1
-	}
-
-	if v.Minor > that.Minor {
-		return 1
-	} else if v.Minor < that.Minor {
-		return -1
-	}
-
-	if v.Patch > that.Patch {
-		return 1
-	} else if v.Patch < that.Patch {
-		return -1
-	}
-
-	return 0
-}
-
-func (v *Version) LessThan(that *Version) bool {
-	return v.Compare(that) < 0
-}
-
-func (v *Version) AtLeast(that *Version) bool {
-	return v.Compare(that) >= 0
-}
-
-func (v *Version) String() string {
-	return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch)
-}
-
-// GetVersion returns current Git version installed.
-func GetVersion() (*Version, error) {
-	if gitVer != nil {
-		return gitVer, nil
-	}
-
-	stdout, stderr, err := com.ExecCmd("git", "version")
-	if err != nil {
-		return nil, errors.New(stderr)
-	}
-
-	infos := strings.Split(stdout, " ")
-	if len(infos) < 3 {
-		return nil, errors.New("not enough output")
-	}
-
-	gitVer, err = ParseVersion(infos[2])
-	return gitVer, err
-}