init: copy from Hacmini

dotfiles/scripts/updates.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+#  _   _           _       _             
+# | | | |_ __   __| | __ _| |_ ___  ___  
+# | | | | '_ \ / _` |/ _` | __/ _ \/ __| 
+# | |_| | |_) | (_| | (_| | ||  __/\__ \ 
+#  \___/| .__/ \__,_|\__,_|\__\___||___/ 
+#       |_|                              
+#  
+# by Stephan Raabe (2023) 
+# ----------------------------------------------------- 
+# Requires pacman-contrib trizen
+
+# ----------------------------------------------------- 
+# Define threshholds for color indicators
+# ----------------------------------------------------- 
+
+threshhold_green=0
+threshhold_yellow=25
+threshhold_red=100
+
+# ----------------------------------------------------- 
+# Calculate available updates pacman and aur (with trizen)
+# ----------------------------------------------------- 
+
+if ! updates_arch=$(checkupdates 2> /dev/null | wc -l ); then
+    updates_arch=0
+fi
+
+if ! updates_aur=$(trizen -Su --aur --quiet | wc -l); then
+    updates_aur=0
+fi
+
+updates=$(("$updates_arch" + "$updates_aur"))
+
+# ----------------------------------------------------- 
+# Testing
+# ----------------------------------------------------- 
+
+# Overwrite updates with numbers for testing
+# updates=100
+
+# test JSON output
+# printf '{"text": "0", "alt": "0", "tooltip": "0 Updates", "class": "red"}'
+# exit
+
+# ----------------------------------------------------- 
+# Output in JSON format for Waybar Module custom-updates
+# ----------------------------------------------------- 
+
+css_class="green"
+
+if [ "$updates" -gt $threshhold_yellow ]; then
+    css_class="yellow"
+fi
+
+if [ "$updates" -gt $threshhold_red ]; then
+    css_class="red"
+fi
+
+if [ "$updates" -gt $threshhold_green ]; then
+    printf '{"text": "%s", "alt": "%s", "tooltip": "Click to update your system", "class": "%s"}' "$updates" "$updates" "$updates" "$css_class"
+else
+    printf '{"text": "0", "alt": "0", "tooltip": "No updates available", "class": "green"}'
+fi