Add overlay and install studio-link from it

home-manager/default.nix

@@ -29,6 +29,10 @@ in
       modules/kanshi.nix
     ];
 
+    nixpkgs.overlays = [
+      (import ../overlay/default.nix)
+    ];
+
     home.stateVersion = "21.11";
 
     gtk = {
@@ -111,11 +115,15 @@ in
       insomnia
       mumble
       inkscape
+      guvcview
 
       # for coc
       nodejs
       rnix-lsp
 
+      # from my overlay
+      studio-link
+
     ] ++ lib.optionals (config.networking.hostName == "jimbo") [
       networkmanager
 

overlay/default.nix

@@ -0,0 +1,4 @@
+self: super: {
+  studio-link = super.callPackage ./studio-link.nix { };
+
+}

overlay/studio-link.nix

@@ -0,0 +1,40 @@
+{ stdenv
+, lib
+, fetchurl
+, pulseaudio
+, zlib
+, alsaLib
+, autoPatchelfHook
+}:
+
+stdenv.mkDerivation rec {
+  pname = "studio-link";
+  version = "21.07.0";
+
+  src = fetchurl {
+    url = "https://download.studio.link/releases/v${version}-stable/linux/studio-link-standalone-v${version}.tar.gz";
+    hash = "sha256-4CkijAlenhht8tyk3nBULaBPE0GBf6DVII699/RmmWI=";
+  };
+
+  sourceRoot = ".";
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+  ];
+  
+  buildInputs = [
+    alsaLib
+    pulseaudio
+    zlib
+  ];
+  
+  installPhase = ''
+    install -D -m755 studio-link-standalone-v* $out/bin/studio-link
+  '';
+
+  meta = with lib; {
+    homepage = "https://studio-link.com";
+    description = "VoIP Thing";
+    platforms = platforms.linux;
+  };
+}