Polybar: Re-add launch.sh

.config/polybar/launch.sh

@@ -0,0 +1,76 @@
+#! /bin/bash
+#
+# launch.sh
+# A Polybar launch script with a heck of a lot of compat
+# Copyright (C) 2019 Vintage Salt <rehashedsalt@cock.li>
+#
+# Distributed under terms of the MIT license.
+#
+
+log() {
+	[ -z "$1" ] && return 1
+	printf "$1\\n"
+}
+
+# Trap our exit
+die() {
+	kill $(jobs -p)
+}
+trap die EXIT
+
+# Steps
+step_fallback() {
+	if ! command -v polybar > /dev/null 2>&1; then
+		if command -v tint2 > /dev/null 2>&1; then
+			log "Executing fallback"
+			exec tint2
+		fi
+		log "No valid bars found"
+		exit 51
+	fi
+}
+step_configure_restack() {
+	# Restack compatibility
+	if pgrep -U "$UID" bspwm > /dev/null 2>&1; then
+		export PB_WM_RESTACK="bspwm"
+	elif pgrep -U "$UID" i3 > /dev/null 2>&1; then
+		export PB_WM_RESTACK="i3"
+	fi
+}
+step_spawn_primary() {
+	# Spawn bars on the primary monitor
+	log "Spawning primary bars"
+	export PB_MONITOR=$(xrandr -q | awk '/primary/{print $1}')
+	polybar -r primary &
+	polybar -r primary-2 &
+}
+step_spawn_secondary() {
+	# Spawn more for each secondary
+	log "Spawning secondary bars"
+	export secondary_monitors=$(xrandr -q | grep ' connected' | grep -v 'primary' | awk '{print $1}')
+	if [ "$secondary_monitors" == "" ]; then
+		return 0
+	fi
+	for monitor in $secondary_monitors; do
+		PB_MONITOR=$monitor
+		polybar -r secondary &
+		polybar -r secondary-2 &
+	done
+}
+step_wait() {
+	# And wait
+	log "Waiting"
+	wait
+}
+
+# Main
+main() {
+	step_fallback
+	step_configure_restack
+	step_spawn_primary
+	step_spawn_secondary
+	step_wait
+}
+
+main "$@"
+