move out git module and #1573 send push hook

modules/git/tree.go

@@ -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
-}