Shell - help me compile ruhoh and ask me to push to my repositories

ruhoh_compile.sh

#!/bin/zsh
cd $RUHOH
rm -r compiled
bundle exec ruhoh compile
cd -
echo -n "Copy the compiled result to your site repo?[y/n]"
read copy_yn
if [ "$copy_yn" = "y" ]; then
    cd $PUBLISH
    rm -r *
    cd -
    cp -av $RUHOH/compiled/* $PUBLISH/
    echo -n "Update your site repo?[y/n]"
    read update_site_yn
    case "$update_site_yn" in
        y )
            cd $PUBLISH
            git add --all
            read -p "Please enter commit message: " commit_message
            git commit -m $commit_message
            git push
            cd -
            echo "Congrats! The site repo has been updated"
            cd $RUHOH
            git add --all
            git commit -m $commit_message
            git push
            cd -
            cd $RUHOH/wiki
            git add --all
            git commit -m $commit_message
            git push
            cd -
            echo "Congrats! The blog repo has been updated"
            ;;
        n )
            echo "Don't copy them this time."
            ;;
        *)
            echo "Please enter y or n."
            exit 1
            ;;
    esac
elif [ "$copy_yn" = "n" ]; then
    echo "Don't copy them this time."
else
    echo "Please enter y or n."
    exit 1
fi    
echo "All done!"
exit 0