qubes-installer-qubes-os/anaconda/data/liveinst/liveinst-setup.sh

#!/bin/bash
# Set up a launcher on the desktop for the live installer if we're on
# a live CD

if [ ! \( -b /dev/mapper/live-base -o -b /dev/mapper/live-osimg-min \) ]; then
    exit 0
fi

# Prevents breakage if the hostname is changed before or during the install
# Also lets us run (with the X11 backend) on Wayland
[ -x /usr/bin/xhost ] && xhost +si:localuser:root > /dev/null 2>&1

test -f ${XDG_CONFIG_HOME:-~/.config}/user-dirs.dirs && source ${XDG_CONFIG_HOME:-~/.config}/user-dirs.dirs
cp /usr/share/applications/liveinst.desktop "${XDG_DESKTOP_DIR:-$HOME/Desktop}"