#!/bin/sh
# Start the polybar bar defined in ./config.ini (installed at
# ~/.config/polybar/config.ini), replacing any bar already running.
#
# There is one bar window, spanning the screen and fully transparent; the
# visible islands are built inside it out of modules (see modules/caps.ini).
#
# Meant to be run as the XFCE session client that used to be xfce4-panel —
# see ../xfce/polybar-panel.sh, which does that swap.
set -u

# Ask a running polybar to quit over IPC, falling back to a signal.
polybar-msg cmd quit >/dev/null 2>&1 || pkill -u "$(id -u)" -x polybar

# Wait for it to actually let go of the bar window before claiming it.
i=0
while pgrep -u "$(id -u)" -x polybar >/dev/null 2>&1 && [ "$i" -lt 20 ]; do
    sleep 0.2
    i=$((i + 1))
done

polybar main &

# Stay alive as the session client for as long as the bar is up. polybar
# re-execs in place on `polybar-msg cmd restart`, so this PID survives it.
wait