Adding upstream version 2.2.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

pre_commit/commands/clean.py

@@ -0,0 +1,14 @@
+import os.path
+
+from pre_commit import output
+from pre_commit.store import Store
+from pre_commit.util import rmtree
+
+
+def clean(store: Store) -> int:
+    legacy_path = os.path.expanduser('~/.pre-commit')
+    for directory in (store.directory, legacy_path):
+        if os.path.exists(directory):
+            rmtree(directory)
+            output.write_line(f'Cleaned {directory}.')
+    return 0