diff options
Diffstat (limited to 'modules/git/tree.go')
-rw-r--r-- | modules/git/tree.go | 157 |
1 files changed, 0 insertions, 157 deletions
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 -} |