Clone & patch in same local repo

Do not copy the Firefox source repo before patching. Manage everything through git instead.

scripts/init-patch.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+"""
+Simple script to apply *.bootstrap patches
+This was separated from the main patch script because its indended to run on docker build.
+
+Run:
+    python3 scripts/init-patch.py <version> <release>
+"""
+
+from patch import list_files, patch, enter_srcdir, leave_srcdir
+
+
+def apply_bootstrap_patches():
+    enter_srcdir()
+
+    # Apply bootstraps first
+    for patch_file in list_files('../patches', suffix='*.bootstrap'):
+        patch(patch_file)
+
+    leave_srcdir()
+
+
+if __name__ == "__main__":
+    apply_bootstrap_patches()