feat(waybar): show pacman updates available

dots/.config/waybar/config

@@ -17,6 +17,7 @@
             "custom/media"
         ],
         "modules-right": [
+            "custom/pacman-update",
             "custom/asusmode",
             "network",
             "clock",
@@ -195,6 +196,14 @@
             "return-type": "json",
             "on-click": "playerctl play-pause",
             "exec": "~/.config/waybar/scripts/get-media.bash"
+        },
+        "custom/pacman-update": {
+            "return-type": "json",
+            "exec": "~/.config/waybar/scripts/get-pacman-package-updates.bash",
+            "exec-if": "((\"$(checkupdates | wc -l)\" > 0))",
+            "format": "󰇚 {}",
+            "tooltip": true,
+            "interval": 10
         }
     }
 ]

dots/.config/waybar/scripts/get-pacman-package-updates.bash

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+main() {
+	local package_updates
+	package_updates="$(checkupdates | cut -d " " -f1)"
+	package_update_number="$(printf "%s" "${package_updates}" | wc -l)"
+
+	# Limit the number of results shown to ten, add trailing ellipsis
+	if ((package_update_number > 10)); then
+		package_updates="$(printf "%s" "${package_updates}" | head -n 10)"
+		package_updates+="\n..."
+	fi
+
+
+	printf '{"text": "%s", "tooltip": "%s"}\n' "${package_update_number}" "${package_updates//$'\n'/\\n}"
+}
+
+main

dots/.config/waybar/style.css

@@ -66,6 +66,7 @@
 #clock,
 #wireplumber,
 #image,
+#custom-pacman-update,
 #custom-lock {
   background-color: #16161d;
   color: #dcd7ba;
@@ -221,6 +222,11 @@
   background-color: #ff5d62;
 }
 
+/* Pacman Updates */
+#custom-pacman-update {
+  color: #7E9CD8;
+}
+
 /* Asus Fan Mode */
 #custom-asusmode {
   color: #ffa066;