Address shellcheck warnings

Author: EricCrosson

setup

@@ -11,13 +11,14 @@
 # a dir
 
 readonly submodule="$(dirname "$0")"
+# shellcheck disable=SC1090
 source "${submodule}/captain-hook.sh"
 pushd "${submodule}/.." >/dev/null
 
 # To use the post-clone script, see https://github.com/git-hook/post-clone
 readonly HOOKS=(pre-commit prepare-commit-msg commit-msg post-commit post-checkout pre-rebase post-clone)
 
-for hook in ${HOOKS[@]}; do
+for hook in "${HOOKS[@]}"; do
     mkdir -p "${hook}.d"
     ln -sf captain-hook/run-hook "${hook}"
 done