debian-bash/init.sh

#!/bin/bash

set -Eeuo pipefail

CURDIR=$PWD

#remove /etc/skel/.bashrc
if [ -e /etc/skel/.bashrc ]; then
    rm /etc/skel/.bashrc
fi

ORIGINAL="ORIGINAL"
declare -a arr=(/etc/bash.bashrc /etc/inputrc /etc/vim/vimrc)

for i in "${arr[@]}"; do
    if [ ! -f "$i.$ORIGINAL" ]; then

        echo "$i needs installation $(basename \\"$i\\")"
        mv "$i" "$i.$ORIGINAL"
        ln -s "$CURDIR/$(basename \\"$i\\")" "$i"
    else
        echo "<$i> already overriden!"
    fi
done