Add a new tsuru_not_command rule

thefuck/rules/tsuru_not_command.py

@@ -0,0 +1,18 @@
+import re
+from thefuck.utils import (get_closest, replace_argument,
+                           get_all_matched_commands)
+
+
+def match(command, settings):
+    return (command.script.startswith('tsuru ')
+            and ' is not a tsuru command. See "tsuru help".' in command.stderr
+            and '\nDid you mean?\n\t' in command.stderr)
+
+
+def get_new_command(command, settings):
+    broken_cmd = re.findall(r'tsuru: "([^"]*)" is not a tsuru command',
+                            command.stderr)[0]
+    new_cmd = get_closest(broken_cmd,
+                          get_all_matched_commands(command.stderr))
+    return replace_argument(command.script, broken_cmd, new_cmd)
+