Add modules for personal (CLI) machines

(NixOS + Home Manager)

personal-cli/scripts/spot_volume.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+
+id=$(pw-dump | jq '
+	map(
+		select(
+        	.info.props."application.name" == "spotify" and 
+        	.type == "PipeWire:Interface:Node")
+	)[-1].id'
+)
+current_volume=$(pw-dump | jq "
+	.[] | 
+	select(.id == $id) | 
+	.info.params.Props[0].volume"
+)
+
+new_volume=current_volume
+
+case $1 in
+	*+)
+		if [ "$(bc <<< "$current_volume < 1")" -eq 1 ]; then
+			new_volume=$(bc <<< "$current_volume + ${1%+}")
+		fi
+	;;
+	*-)
+		if [ "$(bc <<< "$current_volume > 0")" -eq 1 ]; then
+			new_volume=$(bc <<< "$current_volume - ${1%-}")
+		fi
+	;;
+	*)
+		new_volume=$1
+	;;
+esac
+
+pw-cli set-param "$id" Props "{volume: $new_volume}"