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/networking/instant-messengers/element/element-desktop.nix

@@ -0,0 +1,137 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, makeWrapper
+, makeDesktopItem
+, mkYarnPackage
+, fetchYarnDeps
+, electron
+, element-web
+, sqlcipher
+, callPackage
+, Security
+, AppKit
+, CoreServices
+, desktopToDarwinBundle
+, useKeytar ? true
+}:
+
+let
+  pinData = lib.importJSON ./pin.json;
+  executableName = "element-desktop";
+  electron_exec = if stdenv.isDarwin then "${electron}/Applications/Electron.app/Contents/MacOS/Electron" else "${electron}/bin/electron";
+  keytar = callPackage ./keytar { inherit Security AppKit; };
+  seshat = callPackage ./seshat { inherit CoreServices; };
+in
+mkYarnPackage rec {
+  pname = "element-desktop";
+  inherit (pinData) version;
+  name = "${pname}-${version}";
+  src = fetchFromGitHub {
+    owner = "vector-im";
+    repo = "element-desktop";
+    rev = "v${version}";
+    sha256 = pinData.desktopSrcHash;
+  };
+
+  packageJSON = ./element-desktop-package.json;
+  offlineCache = fetchYarnDeps {
+    yarnLock = src + "/yarn.lock";
+    sha256 = pinData.desktopYarnHash;
+  };
+
+  nativeBuildInputs = [ makeWrapper ] ++ lib.optionals stdenv.isDarwin [ desktopToDarwinBundle ];
+
+  inherit seshat;
+
+  buildPhase = ''
+    runHook preBuild
+    export HOME=$(mktemp -d)
+    pushd deps/element-desktop/
+    npx tsc
+    yarn run i18n
+    node ./scripts/copy-res.js
+    popd
+    rm -rf node_modules/matrix-seshat node_modules/keytar
+    ${lib.optionalString useKeytar "ln -s ${keytar} node_modules/keytar"}
+    ln -s $seshat node_modules/matrix-seshat
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    # resources
+    mkdir -p "$out/share/element"
+    ln -s '${element-web}' "$out/share/element/webapp"
+    cp -r './deps/element-desktop' "$out/share/element/electron"
+    cp -r './deps/element-desktop/res/img' "$out/share/element"
+    rm "$out/share/element/electron/node_modules"
+    cp -r './node_modules' "$out/share/element/electron"
+    cp $out/share/element/electron/lib/i18n/strings/en_EN.json $out/share/element/electron/lib/i18n/strings/en-us.json
+    ln -s $out/share/element/electron/lib/i18n/strings/en{-us,}.json
+
+    # icons
+    for icon in $out/share/element/electron/build/icons/*.png; do
+      mkdir -p "$out/share/icons/hicolor/$(basename $icon .png)/apps"
+      ln -s "$icon" "$out/share/icons/hicolor/$(basename $icon .png)/apps/element.png"
+    done
+
+    # desktop item
+    mkdir -p "$out/share"
+    ln -s "${desktopItem}/share/applications" "$out/share/applications"
+
+    # executable wrapper
+    # LD_PRELOAD workaround for sqlcipher not found: https://github.com/matrix-org/seshat/issues/102
+    makeWrapper '${electron_exec}' "$out/bin/${executableName}" \
+      --set LD_PRELOAD ${sqlcipher}/lib/libsqlcipher.so \
+      --add-flags "$out/share/element/electron" \
+      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--enable-features=UseOzonePlatform --ozone-platform=wayland}}"
+
+    runHook postInstall
+  '';
+
+  # Do not attempt generating a tarball for element-web again.
+  # note: `doDist = false;` does not work.
+  distPhase = ''
+    true
+  '';
+
+  # The desktop item properties should be kept in sync with data from upstream:
+  # https://github.com/vector-im/element-desktop/blob/develop/package.json
+  desktopItem = makeDesktopItem {
+    name = "element-desktop";
+    exec = "${executableName} %u";
+    icon = "element";
+    desktopName = "Element";
+    genericName = "Matrix Client";
+    comment = meta.description;
+    categories = [ "Network" "InstantMessaging" "Chat" ];
+    startupWMClass = "element";
+    mimeTypes = [ "x-scheme-handler/element" ];
+  };
+
+  passthru = {
+    updateScript = ./update.sh;
+
+    # TL;DR: keytar is optional while seshat isn't.
+    #
+    # This prevents building keytar when `useKeytar` is set to `false`, because
+    # if libsecret is unavailable (e.g. set to `null` or fails to build), then
+    # this package wouldn't even considered for building because
+    # "one of the dependencies failed to build",
+    # although the dependency wouldn't even be used.
+    #
+    # It needs to be `passthru` anyways because other packages do depend on it.
+    inherit keytar;
+  };
+
+  meta = with lib; {
+    description = "A feature-rich client for Matrix.org";
+    homepage = "https://element.io/";
+    changelog = "https://github.com/vector-im/element-desktop/blob/v${version}/CHANGELOG.md";
+    license = licenses.asl20;
+    maintainers = teams.matrix.members;
+    inherit (electron.meta) platforms;
+  };
+}