More efficient way

Author: sapk

tree.go

@@ -147,5 +147,10 @@ func (t *Tree) ListEntries() (Entries, error) {
 		return nil, err
 	}
 	t.entries, err = parseTreeData(t, stdout)
+
+	for _, entry := range t.entries {
+		entry.parseLastUniqueEntry()
+	}
+
 	return t.entries, err
 }

tree_entry.go

@@ -35,12 +35,23 @@ type TreeEntry struct {
 
 	ptree *Tree
 
+	lastUniqueEntry *TreeEntry
+	lastUniquePath  string
+
 	commited bool
 
 	size  int64
 	sized bool
 }
 
+func (te *TreeEntry) LastUniqueEntry() *TreeEntry {
+	return te.lastUniqueEntry
+}
+
+func (te *TreeEntry) LastUniquePath() string {
+	return te.lastUniquePath
+}
+
 func (te *TreeEntry) Name() string {
 	return te.name
 }
@@ -66,37 +77,23 @@ func (te *TreeEntry) IsSubModule() bool {
 	return te.mode == ENTRY_MODE_COMMIT
 }
 
-func (te *TreeEntry) JumpableName() string {
-	entry := te
-	for entry.IsJumpableDir() {
-		tree, _ := entry.ptree.SubTree(entry.name)
-		entries, _ := tree.ListEntries()
-		entry = entries[0]
-	}
-	return entry.name
-}
-func (te *TreeEntry) JumpablePath() string {
-	path := ""
-	entry := te
-	for entry.IsJumpableDir() {
-		path += entry.name + "/"
-		tree, _ := entry.ptree.SubTree(entry.name)
-		entries, _ := tree.ListEntries()
-		entry = entries[0]
-	}
-	return path
-}
+func (te *TreeEntry) parseLastUniqueEntry() *TreeEntry {
+	te.lastUniqueEntry = te
+	te.lastUniquePath = ""
 
-func (te *TreeEntry) IsJumpableDir() bool {
-	if te.IsSubModule() || !te.IsDir() {
-		return false
+	if te.lastUniqueEntry.IsSubModule() || !te.lastUniqueEntry.IsDir() {
+		return te.lastUniqueEntry
 	}
-	tree, err := te.ptree.SubTree(te.name)
-	if err != nil {
-		return false
+
+	tree, _ := te.lastUniqueEntry.ptree.SubTree(te.lastUniqueEntry.name)
+	entries, _ := tree.ListEntries()
+	for !(te.lastUniqueEntry.IsSubModule() || !te.lastUniqueEntry.IsDir()) && len(entries) == 1 {
+		te.lastUniquePath += te.lastUniqueEntry.name + "/"
+		te.lastUniqueEntry = entries[0]
+		tree, _ = te.lastUniqueEntry.ptree.SubTree(te.lastUniqueEntry.name)
+		entries, _ = tree.ListEntries()
 	}
-	entries, err := tree.ListEntries()
-	return len(entries) == 1
+	return te.lastUniqueEntry
 }
 
 func (te *TreeEntry) IsDir() bool {