Creating a Post-Checkout Hook

post-checkout.bash

#!/bin/bash

# File checkout
if [ "$3" == "0" ]; then exit; fi

NUM_CHECKOUTS=`git reflog --date=local | grep -o ${BRANCH_NAME} | wc -l`

# If the refs of the previous and new heads are the same
# AND the number of checkouts equals one, a new branch has been created
if [ "$1" == "$2"  ] && [ ${NUM_CHECKOUTS} -eq 1 ]; then
  .github/run-rubocop.bash
  .github/run-rspec.bash
fi