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#!/usr/bin/env bash
#
# Enable root access to x-windows system.
#
# Motivation: Trying to run a graphical application as root via su, sudo in a
# Wayland session (e.g. GParted or Gedit), will fail. Apps which use polkit to
# request administrator permissions for just certain operations and only when
# needed are not affected (they are not started as root right away).
# [1] https://bugzilla.redhat.com/show_bug.cgi?id=1274451
#
# Based on a Reddit comment.
# [2] https://www.reddit.com/r/Fedora/comments/5eb633/solution_running_graphical_app_with_sudo_in/
usage() {
printf "usage: wsudo [-d] [command]\n"
}
# make sure there is an argument
if (( $# == 0 )); then
echo "error: Illegal number of parameters." >&2
exit 1
fi
if ! type -p "$1" &>/dev/null; then
echo "$1 not found. Aborting." >&2
exit 1
fi
for cmd in sudo xhost; do
if ! type -P $cmd &>/dev/null; then
echo "$cmd it's not installed. Aborting." >&2
exit 1
fi
done
set -x
xhost +SI:localuser:root
SUDO_ASKPASS="`command -v askpass`" sudo -A "${@}"
#disable root access after application terminates
xhost -SI:localuser:root
#print access status to allow verification that root access was removed
xhost
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