SadDarkAngel

#!/bin/bash

[ "$EUID" -ne 0 ] && echo "This installer needs to be run with superuser privileges." >&2 && exit 1

[ ! -d /etc/apt/keyrings ] && install -d -m 0755 /etc/apt/keyrings

wget --no-hsts "https://packages.mozilla.org/apt/repo-signing-key.gpg" -O /etc/apt/keyrings/packages.mozilla.org.asc
printf "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main\n" > /etc/apt/sources.list.d/mozilla.list
printf "# Setting the Firefox package priority to ensure Mozilla’s Deb version is always preferred\nPackage: *\nPin: origin packages.mozilla.org\nPin-Priority: 1000\n" > /etc/apt/preferences.d/mozilla