pipewire-controller: module init

.gitignore

@@ -1 +1,2 @@
 result/
+target/

home/modules/pipewire-controller.nix

@@ -0,0 +1,58 @@
+{ lib, config, pkgs, ... }:
+
+let
+  cfg = config.snowhawk.pipewire-controller;
+
+  pipewire-controller =
+    let
+      mpv = lib.getExe pkgs.mpv;
+      pamixer = lib.getExe pkgs.pamixer;
+    in
+    pkgs.writers.writeRustBin "pipewire-controller" { } ''
+      use std::{process::Command, str};
+
+      const MUTE_AUDIO: &str = "${../audio/discord-mute.mp3}";
+      const UNMUTE_AUDIO: &str = "${../audio/discord-unmute.mp3}";
+
+      fn main() {
+          let mute_status = Command::new("${pamixer}")
+              .args(["--default-source", "--get-mute"])
+              .output()
+              .expect("Unable to get mute status from pamixer")
+              .stdout;
+
+          let mute_status = str::from_utf8(&mute_status[..]).expect("pamixer output wasn't a string");
+
+          if mute_status == "false" {
+              Command::new("${pamixer}")
+                  .args(["--default-source", "--mute"])
+                  .output()
+                  .expect("Unable to mute via pamixer");
+
+              Command::new("${mpv}")
+                  .args(["--no-video", MUTE_AUDIO])
+                  .output()
+                  .expect("Unable to play audio via mpv");
+          } else {
+              Command::new("${pamixer}")
+                  .args(["--default-source", "--unmute"])
+                  .output()
+                  .expect("Unable to mute via pamixer");
+
+              Command::new("${mpv}")
+                  .args(["--no-video", UNMUTE_AUDIO])
+                  .output()
+                  .expect("Unable to play audio via mpv");
+          }
+      }
+    '';
+in
+{
+  options.snowhawk.pipewire-controller = {
+    enable = lib.mkEnableOption "pipewire-controller home-manager module";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = [ pipewire-controller ];
+  };
+}

hosts/snowhawk/home.nix

@@ -14,6 +14,7 @@
     playerctl.enable = true;
     alacritty.enable = true;
     defaultPrograms.enable = true;
+    pipewire-controller.enable = true;
 
     # Games
     xivlauncher.enable = true;