stuff

home-manager/scripts/default.nix

@@ -7,5 +7,6 @@
     ./caffeine
     ./notification
     ./screenshot
+    ./sound
   ];
 }

home-manager/scripts/sound/default.nix

@@ -0,0 +1,45 @@
+# - ## Sound
+#-
+#- This module provides a set of scripts to control the volume of the default audio sink using `wpctl`.
+#-
+#- - `sound-up` increases the volume by 5%.
+#- - `sound-down` decreases the volume by 5%.
+#- - `sound-set [value]` sets the volume to the given value.
+#- - `sound-toggle` toggles the mute state of the default audio sink.
+{ pkgs, ... }:
+
+let
+  increments = "5";
+
+  sound-change = pkgs.writeShellScriptBin "sound-change" ''
+    [[ $1 == "mute" ]] && wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
+    [[ $1 == "up" ]] && wpctl set-volume @DEFAULT_AUDIO_SINK@ ''${2-${increments}}%+
+    [[ $1 == "down" ]] && wpctl set-volume @DEFAULT_AUDIO_SINK@ ''${2-${increments}}%-
+    [[ $1 == "set" ]] && wpctl set-volume @DEFAULT_AUDIO_SINK@ ''${2-100}%
+  '';
+
+  sound-up = pkgs.writeShellScriptBin "sound-up" ''
+    sound-change up ${increments}
+  '';
+
+  sound-set = pkgs.writeShellScriptBin "sound-set" ''
+    sound-change set ''${1-100}
+  '';
+
+  sound-down = pkgs.writeShellScriptBin "sound-down" ''
+    sound-change down ${increments}
+  '';
+
+  sound-toggle = pkgs.writeShellScriptBin "sound-toggle" ''
+    sound-change mute
+  '';
+in
+{
+  home.packages = [
+    sound-change
+    sound-up
+    sound-down
+    sound-toggle
+    sound-set
+  ];
+}