Polybar: Switch to startup script

.config/bspwm/bspwmrc

@@ -38,11 +38,8 @@ if [[ $(pgrep polybar) ]]; then
 	killall polybar
 fi
 
-# Polybar and related configuration
-$(
-	export PB_WM_RESTACK=bspwm
-	polybar -r primary-top & 
-)&
+# Start Polybar
+$HOME/.config/polybar/start.sh
 
 ## bspwm GENERAL CONFIGURATION
 bspc monitor -d			1 2 3 4 5 6 7 8

.config/polybar/config

@@ -73,6 +73,7 @@ font-4 = ${res/fonts.font-4}
 # BARS
 #====================
 [bar/primary-top]
+monitor = ${env:PB_MONITOR}
 inherit = template/bar
 tray-position = right
 
@@ -81,6 +82,7 @@ modules-center = xwindow
 modules-right = xbacklight volume battery wlan date
 
 [bar/secondary-top]
+monitor = ${env:PB_MONITOR}
 inherit = template/bar
 
 modules-left = i3 bspwm

.config/polybar/start.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# start.sh
+# Copyright (C) 2018 salt <salt@iridium>
+#
+# Distributed under terms of the MIT license.
+#
+
+# Which WM are we using?
+if $(pgrep i3); then
+	export PB_WM_RESTACK=i3
+fi
+if $(pgrep bspwm); then
+	export PB_WM_RESTACK=bspwm
+fi
+
+# Iterate through monitors and spawn bars on each
+# Starting with the primary monitor...
+export PB_MONITOR=$(xrandr -q | awk '/\<primary\>/{print $1}')
+if [[ $PB_MONITOR == "" ]]; then
+	exit 1
+fi
+polybar -r primary-top&
+# ...and then moving on to secondaries, if we have them
+# Alright, now this looks *really* bad, but there's no way in hell you can get
+# me to attempt to solve this with regex. Fuck regex. It starts more problems
+# than it solves
+export secondary_monitors=$(xrandr -q | grep ' connected' | grep -v 'primary' | awk '{print $1}')
+if [[ $PB_MONITOR == "" ]]; then
+	exit 0
+fi
+for monitor in secondary_monitors; do
+	PB_MONITOR=$monitor polybar -r secondary-top
+done
+
+disown
+exit