ctucx.git: nimgit

tree.nim: new procs wak and entries, yield copys from iterator

diff --git a/nimgit/tree.nim b/nimgit/tree.nim
@@ -1,5 +1,6 @@
+import sequtils
 import nimgit2
-import types, free, utils, objects
+import types, free, objects, treeEntry
 
 proc lookupTree* (repo: GitRepository, id: GitObjectId): GitTree =
     let error = git_tree_lookup(addr result, repo, id)

@@ -47,5 +48,21 @@ iterator items* (tree: GitTree): GitTreeEntry =
     let treeLen = tree.len
 
     while counter < treeLen:
-        yield tree.entry(counter)
-        inc(counter)-
\ No newline at end of file
+        yield tree.entry(counter).copy()
+        inc(counter)
+
+proc walk* (tree: GitTree, path: string = ""): seq[(string, GitTreeEntry)] =
+    for entry in tree:
+        result.add((path, entry))
+
+        if entry.type == goTree:
+            let subtree = tree.owner.lookupTree(entry.id)
+            result = result.concat(subtree.walk(path & entry.name & "/"))
+            free(subtree)
+
+
+proc entries* (tree: GitTree): seq[string] =
+    for element in tree.walk:
+        let (dir, entry) = element
+        result.add(dir&entry.name)
+        free(entry)+
\ No newline at end of file