Added script for dunst volume and iommu-group detection

arch-config/scripts/dunst-volume.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# You can call this script like this:
+# $./volume.sh up
+# $./volume.sh down
+# $./volume.sh mute
+
+get_volume() {
+    amixer get Master | grep '%' | head -n 1 | cut -d '[' -f 2 | cut -d '%' -f 1
+}
+
+is_mute() {
+    amixer get Master | grep '%' | grep -oE '[^ ]+$' | grep off > /dev/null
+}
+
+send_notification() {
+    volume=$(get_volume)
+    # Make the bar with the special character ─ (it's not dash -)
+    # https://en.wikipedia.org/wiki/Box-drawing_character
+    bar=$(seq -s "─" $(($volume / 5)) | sed 's/[0-9]//g')
+    # Send the notification
+    dunstify -i audio-volume-high -r 2593 "    $bar"
+}
+
+case $1 in
+    up)
+	# Set the volume on (if it was muted)
+	amixer -D pulse set Master on > /dev/null
+	# Up the volume (+ 5%)
+	amixer -D pulse sset Master 5%+ > /dev/null
+	send_notification
+	;;
+    down)
+	amixer -D pulse set Master on > /dev/null
+	amixer -D pulse sset Master 5%- > /dev/null
+	send_notification
+	;;
+    mute)
+    	# Toggle mute
+	amixer -D pulse set Master 1+ toggle > /dev/null
+	if is_mute ; then
+	    dunstify -i audio-volume-muted -r 2593 -u normal "Mute"
+	else
+	    send_notification
+	fi
+	;;
+esac

arch-config/scripts/iommu.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+shopt -s nullglob
+for g in /sys/kernel/iommu_groups/*; do
+    echo "IOMMU Group ${g##*/}:"
+    for d in $g/devices/*; do
+        echo -e "\t$(lspci -nns ${d##*/})"
+    done;
+done;