add Nix flake

2025-06-12 13:40:48 +02:00 · 2021-09-07 18:44:33 +02:00
parent cdf5812221
commit ab496bbf96
5 changed files with 256 additions and 0 deletions
--- a/nix/schildichat-desktop.nix
+++ b/nix/schildichat-desktop.nix
@ -0,0 +1,109 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, makeWrapper
+, makeDesktopItem
+, mkYarnPackage
+, electron
+, element-desktop # for native modules
+, schildichat-web
+, callPackage
+, Security
+, AppKit
+, CoreServices
+
+, useWayland ? false
+
+, cleanSchildichatDesktopSource
+, schildichat-desktop-src ? ../.
+}:
+
+let
+  packageJSON = schildichat-desktop-src + "/element-desktop/package.json";
+  yarnLock = schildichat-desktop-src + "/element-desktop/yarn.lock";
+
+  package = builtins.fromJSON (builtins.readFile packageJSON);
+
+  pname = "schildichat-desktop";
+  version = package.version;
+
+  executableName = pname;
+
+  electron_exec = if stdenv.isDarwin then "${electron}/Applications/Electron.app/Contents/MacOS/Electron" else "${electron}/bin/electron";
+
+in mkYarnPackage rec {
+  inherit pname version packageJSON;
+
+  src = cleanSchildichatDesktopSource (schildichat-desktop-src + "/element-desktop");
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  inherit (element-desktop) seshat keytar;
+
+  buildPhase = ''
+    runHook preBuild
+
+    export HOME=$(mktemp -d)
+    pushd deps/schildichat-desktop/
+    npx tsc
+    yarn run i18n
+    node ./scripts/copy-res.js
+    popd
+    rm -rf node_modules/matrix-seshat node_modules/keytar
+    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 '${schildichat-web}' "$out/share/element/webapp"
+    cp -r './deps/schildichat-desktop' "$out/share/element/electron"
+    cp -r './deps/schildichat-desktop/res/img' "$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
+    makeWrapper '${electron_exec}' "$out/bin/${executableName}" \
+      --add-flags "$out/share/element/electron${lib.optionalString useWayland " --enable-features=UseOzonePlatform --ozone-platform=wayland"}"
+
+    runHook postInstall
+  '';
+
+  # Do not attempt generating a tarball for element-web again.
+  # note: `doDist = false;` does not work.
+  distPhase = ''
+    true
+  '';
+
+  # The desktop item properties should be kept in sync with data from upstream:
+  # https://github.com/vector-im/element-desktop/blob/develop/package.json
+  desktopItem = makeDesktopItem {
+    name = "schildichat-desktop";
+    exec = "${executableName} %u";
+    icon = "schildichat";
+    desktopName = "SchildiChat";
+    genericName = "Matrix Client";
+    categories = "Network;InstantMessaging;Chat;";
+    extraEntries = ''
+      StartupWMClass=schildichat
+      MimeType=x-scheme-handler/element;
+    '';
+  };
+}