pulled in lisp koans for solving

https://github.com/google/lisp-koans

lisp-koans/.git_bak/hooks/pre-applypatch.sample

@@ -0,0 +1,14 @@
+#!/nix/store/3j18grljsyy4nxc078g00sy4cx6cf16g-bash-5.1-p16/bin/bash
+#
+# An example hook script to verify what is about to be committed
+# by applypatch from an e-mail message.
+#
+# The hook should exit with non-zero status after issuing an
+# appropriate message if it wants to stop the commit.
+#
+# To enable this hook, rename this file to "pre-applypatch".
+
+. git-sh-setup
+precommit="$(git rev-parse --git-path hooks/pre-commit)"
+test -x "$precommit" && exec "$precommit" ${1+"$@"}
+: