1 files changed, 80 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/networking/instant-messengers/element/element-desktop.nix b/nixpkgs/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
new file mode 100644
index 000000000000..7da0186022a7
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
@@ -0,0 +1,80 @@
+{ lib, fetchFromGitHub
+, makeWrapper, makeDesktopItem, mkYarnPackage
+, electron, element-web
+}:
+# Notes for maintainers:
+# * versions of `element-web` and `element-desktop` should be kept in sync.
+# * the Yarn dependency expression must be updated with `./update-element-desktop.sh <git release tag>`
+
+let
+  executableName = "element-desktop";
+  version = "1.7.20";
+  src = fetchFromGitHub {
+    owner = "vector-im";
+    repo = "element-desktop";
+    rev = "v${version}";
+    sha256 = "sha256-kQMswcEGsefQ8HCWxYPgvxOKP5cgvXx8oCl5Inh6sOg=";
+  };
+in mkYarnPackage rec {
+  name = "element-desktop-${version}";
+  inherit version src;
+
+  packageJSON = ./element-desktop-package.json;
+  yarnNix = ./element-desktop-yarndeps.nix;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    # 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"
+
+    # 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
+    makeWrapper '${electron}/bin/electron' "$out/bin/${executableName}" \
+      --add-flags "$out/share/element/electron"
+  '';
+
+  # 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 (Riot)";
+    genericName = "Matrix Client";
+    comment = meta.description;
+    categories = "Network;InstantMessaging;Chat;";
+    extraEntries = ''
+      StartupWMClass=element
+      MimeType=x-scheme-handler/element;
+    '';
+  };
+
+  meta = with lib; {
+    description = "A feature-rich client for Matrix.org";
+    homepage = "https://element.io/";
+    license = licenses.asl20;
+    maintainers = teams.matrix.members;
+    inherit (electron.meta) platforms;
+  };
+}