usbkvm: init at 0.1.0 (#369115)

pkgs/by-name/us/usbkvm/package.nix

@@ -0,0 +1,99 @@
+{
+  buildGoModule,
+  fetchzip,
+  gst_all_1,
+  gtkmm3,
+  hidapi,
+  lib,
+  makeWrapper,
+  meson,
+  ninja,
+  pkg-config,
+  python3,
+  stdenv,
+  wrapGAppsHook3,
+}:
+
+let
+  version = "0.1.0";
+
+  src = fetchzip {
+    url = "https://github.com/carrotIndustries/usbkvm/releases/download/v${version}/usbkvm-v${version}.tar.gz";
+    sha256 = "sha256-OuZ7+IjsvK7/PaiTRwssaQFJDFWJ8HX+kqV13CUyTZA=";
+  };
+
+  ms-tools-lib = buildGoModule {
+    pname = "usbkvm-ms-tools-lib";
+    inherit version;
+
+    inherit src;
+    sourceRoot = "source/ms-tools";
+    vendorHash = "sha256-imHpsos7RDpATSZFWRxug67F7VgjRTT1SkLt7cWk6tU=";
+
+    buildInputs = [
+      hidapi
+    ];
+
+    buildPhase = ''
+      mkdir -p $out/
+      go build -C lib/ -o $out/ -buildmode=c-archive mslib.go
+    '';
+  };
+in
+stdenv.mkDerivation {
+  pname = "usbkvm";
+  inherit version src;
+
+  nativeBuildInputs = [
+    pkg-config
+    python3
+    meson
+    ninja
+    makeWrapper
+    wrapGAppsHook3
+  ];
+
+  buildInputs = [
+    gst_all_1.gstreamer
+    gtkmm3
+    hidapi
+  ];
+
+  # The package includes instructions to build the "mslib.{a,h}" files using a
+  # Go compiler, but that doesn't work in the Nix sandbox. We patch out this
+  # build step to instead copy those files from the Nix store:
+  patches = [
+    ./precompiled-mslib.patch
+  ];
+  postPatch = ''
+    substituteInPlace meson.build \
+      --replace-fail "@MSLIB_A_PRECOMPILED@" "${ms-tools-lib}/mslib.a" \
+      --replace-fail "@MSLIB_H_PRECOMPILED@" "${ms-tools-lib}/mslib.h"
+  '';
+
+  postFixup =
+    let
+      GST_PLUGIN_PATH = lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0" [
+        gst_all_1.gst-plugins-base
+        (gst_all_1.gst-plugins-good.override { gtkSupport = true; })
+      ];
+    in
+    lib.optionalString stdenv.hostPlatform.isLinux ''
+      wrapProgram $out/bin/usbkvm \
+        --prefix GST_PLUGIN_PATH : "${GST_PLUGIN_PATH}"
+    '';
+
+  postInstall = ''
+    mkdir -p $out/lib/udev/rules.d/
+    cp ../70-usbkvm.rules $out/lib/udev/rules.d/
+  '';
+
+  meta = {
+    homepage = "https://github.com/carrotIndustries/usbkvm";
+    description = "An open-source USB KVM (Keyboard, Video and Mouse) adapter";
+    changelog = "https://github.com/carrotIndustries/usbkvm/releases/tag/v${version}";
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [ lschuermann ];
+    mainProgram = "usbkvm";
+  };
+}

pkgs/by-name/us/usbkvm/precompiled-mslib.patch

@@ -0,0 +1,13 @@
+diff --git a/meson.build b/meson.build
+index 6e60b0b..b25da9d 100644
+--- a/meson.build
++++ b/meson.build
+@@ -125,7 +125,7 @@ mslib = custom_target(
+     'mslib',
+     output: ['mslib.a', 'mslib.h'],
+     input: 'ms-tools/lib/mslib.go',
+-    command: ['go', 'build', '-C',  join_paths(meson.current_source_dir(), 'ms-tools/lib'), '-o', join_paths(meson.current_build_dir(), '@OUTPUT0@'), '-buildmode=c-archive', 'mslib.go']
++    command: ['cp', '@MSLIB_A_PRECOMPILED@', '@MSLIB_H_PRECOMPILED@', join_paths(meson.current_build_dir(), '@OUTDIR@')]
+
+ )
+