-#pre-push hook: git fat push, submodules update
-echo -e '#!/bin/sh\n./.git-fat/git-fat push\ngit submodule update --merge' > .git/hooks/pre-push
+#pre-push hook: git fat pull/push, submodules update
+echo -e '#!/bin/sh\n./.git-fat/git-fat pull\n./.git-fat/git-fat push\ngit submodule update --merge' > .git/hooks/pre-push
+chmod 755 .git/hooks/pre-push