post-checkout.sh

#!/usr/bin/env bash
LC_ALL=C

# Place this in .git/hooks/post-checkout

local_branch="$(git rev-parse --abbrev-ref HEAD)"

if [[ $local_branch == "master" ]]
then
    echo "==============================================="
    echo "There is something wrong with your branch name."
    echo "     We no longer use the master branch."
    echo "    *** Moving you to main branch instead ***"
    echo "==============================================="
    git checkout main
    git branch -d master
    exit 1
fi

exit 0