diff --git a/scratch/repo_walk.py b/scratch/repo_walk.py
new file mode 100755
index 0000000..58c0c23
--- /dev/null
+++ b/scratch/repo_walk.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+import pygit2
+from pygit2 import GIT_SORT_TOPOLOGICAL
+
+import sys
+
+repo_path = sys.argv[1]
+ref_name = sys.argv[2]
+
+repo = pygit2.Repository(repo_path)
+
+ref = repo.lookup_reference(ref_name)
+
+head_rev = repo[ref.target]
+
+for rev in repo.walk(head_rev.hex, GIT_SORT_TOPOLOGICAL):
+    print(rev.hex, rev.tree.hex)
+    for tree_entry in rev.tree:
+        print(repo.get(tree_entry.oid))