changemacs.sh

#!/usr/bin/env bash

canonical="$HOME/.emacs.d"
doom="$HOME/.doom.emacs.d"
vanilla="$HOME/.clean.emacs.d"
production="$HOME/.production.emacs.d"
simple="$HOME/.simple.emacs.d"

echo "----------------------------------------"
echo "This is .emacs.d/ present configuration:"
ls -gG .emacs.d
echo "----------------------------------------"

echo "Choose one option:

[1] $doom
[2] $vanilla
[3] $production
[4] $simple
"

read name

if [ $name -eq 1 ];
then
    option=$doom
elif
    [ $name -eq 2 ];
then
    option=$vanilla
elif
    [ $name -eq 3 ];
then
    option=$production
elif
   [ $name -eq 4 ];
then
    option=$simple
else
    echo "----------------------------------------"
    echo "You did not use a valid option"
    echo "Not touching configuration"
    echo "Your .emacs.d symlink points to:"
    ls -gG .emacs.d
    echo "----------------------------------------"
    exit
fi

function link_name {
    if [ -e $canonical ] ;
       then
	   rm $canonical
    fi
    ln -s "$(readlink -e "$option")" "$canonical"
}

link_name

echo "----------------------------------------"
echo "You have chosen $option"
echo "Your new .emacs.d symlink points to:"
ls -gG .emacs.d
echo "----------------------------------------"