add waybar config

waybar/scripts/system-update.sh

@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+#
+# Check for official and AUR package updates and upgrade them. When run with the
+# 'module' argument, output the status icon and update counts in JSON format for
+# Waybar
+#
+# Requirements:
+# 	- checkupdates (pacman-contrib)
+# 	- notify-send (libnotify)
+# 	- optional: an AUR helper
+#
+# Author: Jesse Mirabel <sejjymvm@gmail.com>
+# Created: August 16, 2025
+# License: MIT
+
+GRN='\033[1;32m'
+BLU='\033[1;34m'
+RST='\033[0m'
+
+TIMEOUT=10
+HELPERS=('aura' 'paru' 'pikaur' 'trizen' 'yay')
+
+detect-helper() {
+	local h
+	for h in "${HELPERS[@]}"; do
+		if command -v "$h" > /dev/null; then
+			helper=$h
+			break
+		fi
+	done
+}
+
+check-updates() {
+	is_online=true
+	repo=0
+	aur=0
+
+	local rout rstat
+	rout=$(timeout $TIMEOUT checkupdates)
+	rstat=$?
+	# 2 means no updates are available
+	if ((rstat != 0 && rstat != 2)); then
+		is_online=false
+		return 1
+	fi
+	repo=$(grep -cve '^\s*$' <<< "$rout")
+
+	if [[ -z $helper ]]; then
+		return 0
+	fi
+
+	local aout astat
+	aout=$(timeout $TIMEOUT "$helper" -Quaq)
+	astat=$?
+	# Return only if the exit status is non-zero and there is an error
+	# message
+	if ((${#aout} > 0 && astat != 0)); then
+		is_online=false
+		return 1
+	fi
+	aur=$(grep -cve '^\s*$' <<< "$aout")
+}
+
+update-packages() {
+	printf '\n%bUpdating pacman packages...%b\n' "$BLU" "$RST"
+	sudo pacman -Syu
+
+	if [[ -n $helper ]]; then
+		printf '\n%bUpdating AUR packages...%b\n' "$BLU" "$RST"
+		"$helper" -Syu
+	fi
+
+	notify-send 'Update Complete' -i 'package-install'
+	printf '\n%bUpdate Complete!%b\n' "$GRN" "$RST"
+	read -rs -n 1 -p 'Press any key to exit...'
+}
+
+display-module() {
+	if [[ $is_online == false ]]; then
+		echo "{ \"text\": \"󰒑\", \"tooltip\": \"Cannot fetch updates. Right-click to retry.\" }"
+		return 0
+	fi
+
+	local tooltip="<b>Official</b>: $repo"
+	if [[ -n $helper ]]; then
+		tooltip+="\n<b>AUR($helper)</b>: $aur"
+	fi
+
+	local total=$((repo + aur))
+	if ((total == 0)); then
+		echo "{ \"text\": \"󰸟\", \"tooltip\": \"No updates available\" }"
+	else
+		echo "{ \"text\": \"󰄠\", \"tooltip\": \"$tooltip\" }"
+	fi
+}
+
+main() {
+	detect-helper
+
+	case $1 in
+		'module')
+			check-updates
+			display-module
+			;;
+		*)
+			printf '%bChecking for updates...%b' "$BLU" "$RST"
+			check-updates
+			update-packages
+			# use signal to update the module
+			pkill -RTMIN+1 waybar
+			;;
+	esac
+}
+
+main "$@"