new file mode 100644
--- /dev/null
+++ b/util.py
@@ -0,0 +1,35 @@
+import os
+import shutil
+
+svn_subcommands = { }
+
+def register_subcommand(name):
+    def inner(fn):
+        svn_subcommands[name] = fn
+        return fn
+    return inner
+
+
+def wipe_all_files(hg_wc_path):
+    files = [f for f in os.listdir(hg_wc_path) if f != '.hg']
+    for f in files:
+        f = os.path.join(hg_wc_path, f)
+        if os.path.isdir(f):
+            shutil.rmtree(f)
+        else:
+            os.remove(f)
+
+
+def remove_all_files_with_status(path, rev_paths, strip_path, status):
+    for p in rev_paths:
+        if rev_paths[p].action == status:
+            if p.startswith(strip_path):
+                fi = p[len(strip_path)+1:]
+                if len(fi) > 0:
+                    fi = os.path.join(path, fi)
+                    if os.path.isfile(fi):
+                        os.remove(fi)
+                        print 'D %s' % fi
+                    elif os.path.isdir(fi):
+                        shutil.rmtree(fi)
+                        print 'D %s' % fi