Hard reset fork from upstream

reset.sh

#!/bin/bash

UPSTREAM="$1"

read -n 1 -p "/!\\ Keep in mind, that this makes your repo look exactly like upstream - If you have commits, they will be eaten ! /!\\ [y/n]" askinput

echo -e "\n"

if [ "${askinput}" == "y" ]; then
    echo -e "Will force reset with upstream"
    sleep 3
    git remote add upstream "${UPSTREAM}"
    git fetch upstream
    git reset --hard upstream/master
else
    echo -e "\nAborting"
    exit 0
fi