mkdir -p

When adding directories using `mkdir`, intermediate directories have to
exist, unless you specify the `-p` option:

    $ mkdir foo/bar/baz
    mkdir: foo/bar: No such file or directory
    $ fuck
    mkdir -p foo/bar/baz

thefuck/rules/mkdir_p.py

@@ -0,0 +1,9 @@
+import re
+
+def match(command, settings):
+    return ('mkdir' in command.script
+            and 'No such file or directory' in command.stderr)
+
+
+def get_new_command(command, settings):
+    return re.sub('^mkdir (.*)', 'mkdir -p \\1', command.script)