start-desktop.sh

#!/usr/bin/env bash
set -euo pipefail
if [ "$JME_DEV_ENVIRONMENT" != "yesReally" ];
then
    echo "Not running! This script is meant to be run in the jMonkeyEngine dev container environment, and may do unexpected things if run elsewhere."
    exit 1
fi
 
export DISPLAY="${DISPLAY:-:99}"
unset WAYLAND_DISPLAY WAYLAND_SOCKET XDG_RUNTIME_DIR
export GDK_BACKEND=x11
export SDL_VIDEODRIVER=x11
export GLFW_PLATFORM=x11  

# Fedora noVNC web root path
NOVNC_WEB="/usr/share/novnc"
if [ ! -d "$NOVNC_WEB" ]; then
  echo "ERROR: noVNC web root not found at $NOVNC_WEB"
  echo "Try checking where novnc installed files are:"
  rpm -ql novnc | sed -n '1,120p' || true
  exit 1
fi

# Start virtual X server
if ! pgrep -f "Xvfb ${DISPLAY}" >/dev/null 2>&1; then
  nohup Xvfb "${DISPLAY}" -screen 0 1440x900x24 +extension GLX +render -noreset >/tmp/xvfb.log 2>&1 &
fi

# Start a dbus session (XFCE wants it)
if ! pgrep -u "$(id -u)" -f "dbus-daemon.*--session" >/dev/null 2>&1; then
  # shellcheck disable=SC2046
  eval "$(dbus-launch --sh-syntax)"
fi

# Start a PolicyKit agent to avoid XFCE PolicyKitAgent errors (if available)
start_polkit_agent() {
  if command -v polkit-gnome-authentication-agent-1 >/dev/null 2>&1; then
    nohup polkit-gnome-authentication-agent-1 >/tmp/polkit-agent.log 2>&1 &
    return
  fi
  if command -v xfce-polkit >/dev/null 2>&1; then
    nohup xfce-polkit >/tmp/xfce-polkit.log 2>&1 &
    return
  fi
  if [ -x "/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1" ]; then
    nohup /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1 >/tmp/polkit-agent.log 2>&1 &
    return
  fi
  echo "No PolicyKit agent found; PolicyKit dialogs may show an error."
}

start_polkit_agent



if [ "$JME_DEV_ENVIRONMENT" != "yesReally" ];
then
    echo "Not running! This script is meant to be run in the jMonkeyEngine dev container environment, and may do unexpected things if run elsewhere."
    exit 1
fi
 
# Init home
mkdir -p "$HOME/.config" "$HOME/.cache" "$HOME/.local/share"


# Start window manager
if ! pgrep -u "$(id -u)" -x xfwm4 >/dev/null 2>&1; then
  nohup xfwm4 --compositor=off --daemon >/tmp/xfwm4.log 2>&1 &
fi


# Start XFCE session
if ! pgrep -u "$(id -u)" -x xfce4-session >/dev/null 2>&1; then
  nohup xfce4-session >/tmp/xfce4-session.log 2>&1 &
fi

# Set wallpaper
feh --no-fehbg --bg-fill "/root/wallpaper.jpg"

# Start PulseAudio for app sound forwarding (used by Xpra speaker stream).
if command -v pulseaudio >/dev/null 2>&1; then
  if ! pgrep -u "$(id -u)" -x pulseaudio >/dev/null 2>&1; then
    nohup pulseaudio --start >/tmp/pulseaudio.log 2>&1 || true
  fi
fi

# Start VNC server (no password; fine for Codespaces)
if ! pgrep -f "x11vnc.*-rfbport 5900" >/dev/null 2>&1; then
   nohup x11vnc -display "${DISPLAY}" -nopw -forever -shared -cursor arrow -rfbport 5900 \
     -nowf -noxdamage -xwarppointer -noxrecord -noxfixes >/tmp/x11vnc.log 2>&1 &
fi

# Start noVNC (websockify)
if ! pgrep -f "websockify.*6080" >/dev/null 2>&1; then
  python3 -m websockify --web="${NOVNC_WEB}" 6080 localhost:5900
fi