Update

local/share/sway/scripts/checkupdates.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+case $1'' in
+'status') 
+    printf '{\"text\":\"%s\",\"tooltip\":\"%s\"}' "$(pamac checkupdates -q | wc -l)" "$(pamac checkupdates -q | awk 1 ORS='\\n' | sed 's/\\n$//')"
+    ;;
+'check')
+    [ $(pamac checkupdates -q | wc -l) -gt 0 ]
+    exit $?
+    ;;
+'upgrade')
+    if [ -x "$(command -v pacseek)" ]; then
+        xdg-terminal-exec pacseek -u
+    elif [ -x "$(command -v topgrade)" ]; then
+        xdg-terminal-exec topgrade
+    elif [ -x "$(command -v pamac-manager)" ]; then
+        pamac-manager --updates
+    else
+        xdg-terminal-exec pacman -Syu
+    fi
+    ;;
+esac