volume: add notification wrapper script

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

install.sh

@@ -59,6 +59,7 @@ ln -sf "$(pwd)/scripts/power-profile.sh" ~/.local/bin/power-profile
 ln -sf "$(pwd)/scripts/fan-profile.sh" ~/.local/bin/fan-profile
 ln -sf "$(pwd)/scripts/waybar-restart.sh" ~/.local/bin/waybar-restart
 ln -sf "$(pwd)/scripts/screenshot.sh" ~/.local/bin/screenshot
+ln -sf "$(pwd)/scripts/volume.sh" ~/.local/bin/volume
 
 echo "==> Enabling systemd user services"
 mkdir -p ~/.config/systemd/user

scripts/volume.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+case "${1:-}" in
+    up)   pamixer -i 5 ;;
+    down) pamixer -d 5 ;;
+    mute) pamixer -t ;;
+    *)    echo "usage: $0 up|down|mute" >&2; exit 1 ;;
+esac
+
+if [ "$(pamixer --get-mute)" = "true" ]; then
+    notify-send -h string:x-canonical-private-synchronous:volume \
+                -h int:value:0 \
+                -t 1500 \
+                "Muted"
+else
+    LEVEL=$(pamixer --get-volume)
+    notify-send -h string:x-canonical-private-synchronous:volume \
+                -h int:value:"$LEVEL" \
+                -t 1500 \
+                "Volume: ${LEVEL}%"
+fi