uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/applications/editors/uivonim/default.nix

@@ -0,0 +1,73 @@
+{ lib, mkYarnPackage, fetchFromGitHub, electron, makeWrapper }:
+
+mkYarnPackage rec {
+  pname = "uivonim";
+  version = "unstable-2021-05-24";
+
+  src = fetchFromGitHub {
+    owner = "smolck";
+    repo = pname;
+    rev = "ac027b4575b7e1adbedde1e27e44240289eebe39";
+    sha256 = "1b6k834qan8vhcdqmrs68pbvh4b59g9bx5126k5hjha6v3asd8pj";
+  };
+
+  # The spectron dependency has to be removed manually from package.json,
+  # because it requires electron-chromedriver, which wants to download stuff.
+  # It is also good to remove the electron-builder bloat.
+  packageJSON = ./package.json;
+  yarnLock = ./yarn.lock;
+  yarnNix = ./yarn.nix;
+
+  yarnPreBuild = ''
+    # workaround for missing opencollective-postinstall
+    mkdir -p $TMPDIR/bin
+    touch $TMPDIR/bin/opencollective-postinstall
+    chmod +x $TMPDIR/bin/opencollective-postinstall
+    export PATH=$PATH:$TMPDIR/bin
+
+    export ELECTRON_SKIP_BINARY_DOWNLOAD=1
+  '';
+
+  # We build (= webpack) uivonim in a separate package,
+  # because this requires devDependencies that we do not
+  # wish to bundle (because they add 250M to the closure size).
+  build = mkYarnPackage {
+    name = "uivonim-build-${version}";
+    inherit version src packageJSON yarnLock yarnNix yarnPreBuild distPhase;
+
+    yarnFlags = [ "--offline" ];
+
+    buildPhase = ''
+      yarn build:prod
+    '';
+
+    installPhase = ''
+      mv deps/uivonim/build $out
+    '';
+  };
+
+  # The --production flag disables the devDependencies.
+  yarnFlags = [ "--offline" "--production" ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  postInstall = ''
+    dir=$out/libexec/uivonim/node_modules/uivonim/
+    # need to copy instead of symlink because
+    # otherwise electron won't find the node_modules
+    cp -ra ${build} $dir/build
+    makeWrapper ${electron}/bin/electron $out/bin/uivonim \
+      --set NODE_ENV production \
+      --add-flags $dir/build/main/main.js
+  '';
+
+  distPhase = ":"; # disable useless $out/tarballs directory
+
+  meta = with lib; {
+    homepage = "https://github.com/smolck/uivonim";
+    description = "Cross-platform GUI for neovim based on electron";
+    maintainers = with maintainers; [ gebner ];
+    platforms = platforms.unix;
+    license = licenses.agpl3Only;
+  };
+}