diff --git a/dotfiles/.py3.vimrc b/dotfiles/.py3.vimrc
index 9ce4a8d..2d3b2d5 100644
--- a/dotfiles/.py3.vimrc
+++ b/dotfiles/.py3.vimrc
@@ -33,10 +33,50 @@ def f5_1(pattern, flags, info):
     #print([pattern, flags, info])
     completed_process = None
 
+    options = dict(
+        recursive=False,
+        ext=[],
+    )
+
+    #print('fuck')
+    if b'r' in flags:
+        while True:
+            ext_m = re.compile('^.([^\,]+),(.*)$').match(pattern)
+
+            if pattern[:3] in [r'\r,']:
+                options['recursive'] = True
+                pattern = pattern[3:]
+            elif not ext_m is None:
+                options['ext'].append(
+                    ext_m[1]
+                )
+                pattern = ext_m[2]
+            else:
+                break
+
+    print([flags, pattern, options,])
+
     try:
-        completed_process = subprocess.run([
-            'git', 'grep', '-n', '-P', pattern,
-        ], capture_output=True,)
+        git_cmd = [
+            'git', 'grep',
+            '-n',
+        ]
+
+        if options['recursive']:
+            git_cmd.append('--recurse-submodules')
+
+        git_cmd.extend(['-P', pattern])
+
+        if len(options['ext']) > 0:
+            git_cmd.extend(['--', *[
+                '**/*%s' % o
+                for o in options['ext']
+            ]])
+
+        completed_process = subprocess.run(
+            git_cmd,
+            capture_output=True,
+        )
         assert (
             completed_process.returncode == 0 or
             (