diff --git a/src/iface/snap.py b/src/iface/snap.py
index 4672fa5..9a952a6 100644
--- a/src/iface/snap.py
+++ b/src/iface/snap.py
@@ -1,5 +1,6 @@
 import os 
 
+from lib.snapshot import diff as _diff
 from lib.snapshot import dump as _dump
 from lib.snapshot.generate import local as _genlocal
 
@@ -107,31 +108,81 @@ def recursive_diff_snap(last_tree, current_tree, path='./', bres={}):
       'changed' : changed,
       })
 
-def diff_snap(last_tree, current_tree, path='./'):
-  res = {}
-  if not path.endswith(os.sep): path = path + os.sep
-  recursive_diff_snap(last_tree, current_tree, path=path, bres=res)
-  # return res
-  ## Managing moved files is too difficult - for now skip this step
-  # compute moved could save bandwidth
-  res['moved'] = []
-  for n, r in enumerate(res['removed']):
-    if r.get('hash') is None:
-      continue
-    found, path = find_subtree(current_tree, {
-      r['name'] : r['hash'],
-      })
-    if not found: continue
-    res['moved'].append({
-      'name' : r['name'], 
-      'old_path' : r['path'],
-      'new_path' : path,
-      'hash' : r['hash'],
-      })
+# def diff_snap(last_tree, current_tree, path='./'):
+#   res = {}
+#   if not path.endswith(os.sep): path = path + os.sep
+#   recursive_diff_snap(last_tree, current_tree, path=path, bres=res)
+#   # return res
+#   ## Managing moved files is too difficult - for now skip this step
+#   # compute moved could save bandwidth
+#   res['moved'] = []
+#   for n, r in enumerate(res['removed']):
+#     if r.get('hash') is None:
+#       continue
+#     found, path = find_subtree(current_tree, {
+#       r['name'] : r['hash'],
+#       })
+#     if not found: continue
+#     res['moved'].append({
+#       'name' : r['name'], 
+#       'old_path' : r['path'],
+#       'new_path' : path,
+#       'hash' : r['hash'],
+#       })
+#
+#     del res['removed'][n]
+#   
+#   return res
+
+def diff_snap(last_tree, current_tree, path='./'):
+  tree_diff = _diff.raw_diff(last_tree, current_tree, tree_a_tag='last', tree_b_tag='cur')
+  ##  we need 3 keys
+  ##  'removed', 'changed', 'added'
+  removed = []
+  added = []
+  changed = []
+
+  for node in tree_diff.keys():
+    ## node must have a structure as reported in lib/repr/node.py
+    ##
+    last_index = node.rfind(os.sep)
+    node_name = node[last_index+1:]
+    node_rel_path = node[:last_index+1]
+
+    noded = tree_diff[node]
+
+    n = {
+        'name' : node_name,
+        'rel_path': node_rel_path,
+        }
+
+    if noded.get('last_type') is not None: 
+      n['last_type'] = noded['last_type']
+
+    if noded.get('cur_type') is not None: 
+      n['cur_type'] = noded['cur_type']
+
+    if noded.get('last_hash') is not None: 
+      n['last_hash'] = noded['last_hash']
+
+    if noded.get('cur_hash') is not None: 
+      n['cur_hash'] = noded['cur_hash']
+
+    if not noded.get('cur') and noded.get('last'):
+      removed.append(n)
+
+    if not noded.get('last') and noded.get('cur'):
+      added.append(n)
+
+    if noded.get('last') and noded.get('cur'):
+      changed.append(n)
+
+  return {
+      'removed' : removed,
+      'changed' : changed,
+      'added' : added,
+      }
 
-    del res['removed'][n]
-  
-  return res
 
 def find_subtree(snapshot, subtree, path='./'):
   '''
diff --git a/src/lib/snapshot/diff.py b/src/lib/snapshot/diff.py
index 3766d65..859d248 100644
--- a/src/lib/snapshot/diff.py
+++ b/src/lib/snapshot/diff.py
@@ -8,10 +8,10 @@ def recursive_raw_diff(tree_a, tree_b, tree_a_tag, tree_b_tag, path, res):
       res[f'{path}{key_a}'] = {
         tree_a_tag : 'x',
       }
+      res[f'{path}{key_a}']['%s_type' % (tree_a_tag,)] = 'd' if isinstance(hsh_a, dict) else 'f'
       continue
 
 
-
     if isinstance(hsh_a, str):
       if hsh_a == hsh_b: continue
 
@@ -22,6 +22,8 @@ def recursive_raw_diff(tree_a, tree_b, tree_a_tag, tree_b_tag, path, res):
 
       res[f'{path}{key_a}']['%s_hash' %(tree_a_tag,)] = hsh_a
       res[f'{path}{key_a}']['%s_hash' %(tree_b_tag,)] = hsh_b
+      res[f'{path}{key_a}']['%s_type' %(tree_a_tag,)] = tree_a_type
+      res[f'{path}{key_a}']['%s_type' %(tree_b_tag,)] = 'd' if isinstance(hsh_b, dict) else 'f'
       continue