Ticket #2996: run-xpra

#!/bin/sh
LANG='en_US.UTF-8'; export LANG
PWD='/home/ares'; export PWD
TERM='xterm-256color'; export TERM
SHELL='/bin/bash'; export SHELL
SHLVL='1'; export SHLVL
PATH='/home/ares/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin':"$PATH"; export PATH
GDK_SCALE='1'; export GDK_SCALE
GDK_DPI_SCALE='1'; export GDK_DPI_SCALE
GTK_CSD='0'; export GTK_CSD
XPRA_PROXY_START_UUID='5eb1c0e264064def9c2e0732ac22a043'; export XPRA_PROXY_START_UUID
GDK_BACKEND='x11'; export GDK_BACKEND
cd '/home/ares'
_XPRA_PYTHON='/usr/bin/python3'
_XPRA_SCRIPT='/usr/bin/xpra'

if which "$_XPRA_PYTHON" > /dev/null && [ -e "$_XPRA_SCRIPT" ]; then
    # Happypath:
    exec "$_XPRA_PYTHON" "$_XPRA_SCRIPT" "$@"
else
    cat >&2 <<END
    Could not find one or both of '$_XPRA_PYTHON' and '$_XPRA_SCRIPT'
    Perhaps your environment has changed since the xpra server was started?
    I'll just try executing 'xpra' with current PATH, and hope...
END
    exec xpra "$@"
fi