#initialize submodules, set-up .git/config and .gitattributes, and pre-push hook
git submodule init && git submodule update --merge
-#filter for git-fat
+#filter for git-fat [TODO: idempotent...]
echo -e '*.pdf filter=fat\n*.tar.xz filter=fat' > .gitattributes
#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