Added hooks/post_checkout to handle dockerhub build failures (#425)

rafie · web-flow · commit 77e94a08df1a · 2020-07-01T19:34:22.000Z
diff --git a/hooks/post_checkout b/hooks/post_checkout
@@ -0,0 +1,5 @@
+#!/bin/bash
+# Docker hub does a recursive clone, then checks the branch out,
+# so when a PR adds a submodule (or updates it), it fails.
+git submodule update --init --recursive
+
