Configura bspwm external rules

A principal motivacao aqui foi resolver o problema do aplicativo snap
Spotify que nao responde a rules simples do bspwm.

Principal referencia sobre o problema: baskerville/bspwm#291

dotfiles/.config/bspwm/bspwmrc

@@ -48,7 +48,7 @@ bspc config normal_border_color	"#4c566a"
 bspc config active_border_color	"#1e1e1e"
 bspc config focused_border_color "#406ea5"
 bspc config presel_feedback_color "#5e81ac"
-# bspc config external_rules_command /home/jpaulo/.config/bspwm/external_rules
+bspc config external_rules_command /home/jpaulo/.config/bspwm/external_rules
 
 # Rules
 bspc rule -a vlc state=fullscreen

dotfiles/.config/bspwm/external_rules

@@ -0,0 +1,33 @@
+#!/bin/bash
+window_id="$1"
+window_class="$2"
+window_instance="$3"
+consequences="$4"
+window_title="$(xwininfo -id "$window_id" | sed ' /^xwininfo/!d ; s,.*"\(.*\)".*,\1,')"
+
+main() {
+    case "$window_class" in
+        "Spotify")
+            echo "desktop=^5"
+            echo "state=floating"
+            echo "rectangle=680x770+540+110"
+            ;;
+        "")
+            sleep 0.5
+            window_class=$(xprop -id $window_id | grep "WM_CLASS" | sed 's/.*"\(.*\)"/\1/g' ) 
+            window_instance="${window_class,,}"
+            [[ -n "$window_class" ]] && main
+            ;;
+        *)
+            echo "Nothing found... $1  $2  $3  $4"
+            ;;
+    esac
+}
+
+main
+
+echo "window_id: $1" >> "$HOME"/.rules_cmd.log
+echo "window_title: $window_title" >> "$HOME"/.rules_cmd.log
+echo "window_class: $window_class" >> "$HOME"/.rules_cmd.log
+echo "window_instance: $window_instance" >> "$HOME"/.rules_cmd.log
+echo "consequences: $4" >> "$HOME"/.rules_cmd.log

init/vars/dotfiles.yml

@@ -35,6 +35,7 @@ dotfiles:
   - .config/polybar/launch.sh
   - .config/polybar/openvpn-isrunning.sh
   - .config/bspwm/bspwmrc
+  - .config/bspwm/external_rules
   - .config/kitty/kitty.conf
   - .config/zathura/zathurarc
   - .config/kitty/gruvbox_light.conf