From 4a2422b97748030d7f2efa118eedb1da4d09c6f7 Mon Sep 17 00:00:00 2001
From: Nathan McCarty <nathan@mccarty.io>
Date: Sun, 12 Jun 2022 13:17:15 -0400
Subject: [PATCH] Vendor discord

---
 applications/communications.nix |  33 +++++-
 packages/discord/default.nix    | 190 ++++++++++++++++++++++++++++++++
 2 files changed, 218 insertions(+), 5 deletions(-)
 create mode 100644 packages/discord/default.nix

diff --git a/applications/communications.nix b/applications/communications.nix
index e1d2fcf..32ad1ac 100644
--- a/applications/communications.nix
+++ b/applications/communications.nix
@@ -6,6 +6,16 @@
 
   environment.systemPackages = with pkgs;
     let
+      enableWayland = drv: bin: drv.overrideAttrs (
+        old: {
+          nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ pkgs.makeWrapper ];
+          postFixup = (old.postFixup or "") + ''
+            wrapProgram $out/bin/${bin} \
+            --add-flags "--enable-features=UseOzonePlatform" \
+            --add-flags "--ozone-platform=wayland"
+          '';
+        }
+      );
       ## Wayland workaround chromium desktop items
       # Facebook messenger 
       fbChromeDesktopItem = pkgs.makeDesktopItem {
@@ -21,6 +31,19 @@
         exec = "${pkgs.chromium}/bin/chromium --enable-features=UseOzonePlatform -ozone-platform=wayland --app=\"https://teams.microsoft.com\"";
         terminal = false;
       };
+      # Discord
+
+      discordWayland = pkgs.callPackage ../packages/discord/default.nix rec {
+        pname = "discord-electron";
+        binaryName = "Discord";
+        desktopName = "Discord (Wayland)";
+        version = "0.0.18";
+        src = fetchurl {
+          url = "https://dl.discordapp.net/apps/linux/${version}/discord-${version}.tar.gz";
+          hash = "sha256-BBc4n6Q3xuBE13JS3gz/6EcwdOWW57NLp2saOlwOgMI=";
+        };
+        electron = pkgs.electron_13;
+      };
       ## Pass wayland options to existing applications
       signalWaylandItem = pkgs.makeDesktopItem {
         name = "signal-desktop-wayland";
@@ -41,13 +64,12 @@
     in
     [
       # Discord
-      unstable.discord
+      discordWayland
       unstable.betterdiscordctl
       # Desktop matrix client
-      element-desktop
+      (enableWayland element-desktop "element-desktop")
       # Desktop signal client
-      signal-desktop
-      signalWaylandItem
+      (enableWayland signal-desktop "signal-desktop")
       # Desktop telegram client
       tdesktop
       # Desktop mastodon client
@@ -66,7 +88,8 @@
       teamsItem
     ];
 
-  # Override for waylandified discord, really jank, but its still newer than the bundled electron
+
+  # Work around for discord jank ugh
   nixpkgs.config.permittedInsecurePackages = [
     "electron-13.6.9"
   ];
diff --git a/packages/discord/default.nix b/packages/discord/default.nix
new file mode 100644
index 0000000..a1804ec
--- /dev/null
+++ b/packages/discord/default.nix
@@ -0,0 +1,190 @@
+{ pname
+, version
+, src
+, binaryName
+, desktopName
+, autoPatchelfHook
+, makeDesktopItem
+, lib
+, stdenv
+, wrapGAppsHook
+, alsaLib
+, at-spi2-atk
+, at-spi2-core
+, atk
+, cairo
+, cups
+, dbus
+, expat
+, fontconfig
+, freetype
+, gdk-pixbuf
+, glib
+, gtk3
+, libcxx
+, libdrm
+, libnotify
+, libpulseaudio
+, libuuid
+, libX11
+, libXScrnSaver
+, libXcomposite
+, libXcursor
+, libXdamage
+, libXext
+, libXfixes
+, libXi
+, libXrandr
+, libXrender
+, libXtst
+, libxcb
+, libxshmfence
+, mesa
+, nspr
+, nss
+, pango
+, systemd
+, libappindicator-gtk3
+, libdbusmenu
+, writeScript
+, common-updater-scripts
+, electron
+, nodePackages
+, libgcc
+, glibc
+}:
+
+let
+  inherit binaryName;
+in
+stdenv.mkDerivation rec {
+  inherit pname version src;
+
+  nativeBuildInputs = [
+    alsaLib
+    autoPatchelfHook
+    stdenv.cc.cc
+    cups
+    libdrm
+    libuuid
+    libXdamage
+    libX11
+    libXScrnSaver
+    libXtst
+    libxcb
+    libxshmfence
+    mesa
+    nss
+    wrapGAppsHook
+    nodePackages.asar
+    autoPatchelfHook
+  ];
+
+  buildInputs = [
+    electron
+    libgcc
+    glibc
+  ];
+
+  dontWrapGApps = true;
+
+  libPath = lib.makeLibraryPath [
+    libcxx
+    systemd
+    libpulseaudio
+    libdrm
+    mesa
+    stdenv.cc.cc
+    alsaLib
+    atk
+    at-spi2-atk
+    at-spi2-core
+    cairo
+    cups
+    dbus
+    expat
+    fontconfig
+    freetype
+    gdk-pixbuf
+    glib
+    gtk3
+    libnotify
+    libX11
+    libXcomposite
+    libuuid
+    libXcursor
+    libXdamage
+    libXext
+    libXfixes
+    libXi
+    libXrandr
+    libXrender
+    libXtst
+    nspr
+    nss
+    libxcb
+    pango
+    systemd
+    libXScrnSaver
+    libappindicator-gtk3
+    libdbusmenu
+    libgcc
+  ];
+
+  installPhase =
+    let
+      electron_exec = "${electron}/bin/electron";
+    in
+    ''
+      mkdir -p $out/{bin,opt/${binaryName},share/pixmaps}
+      mv * $out/opt/${binaryName}
+      chmod +x $out/opt/${binaryName}/${binaryName}
+      ln -s $out/opt/${binaryName}/discord.png $out/share/pixmaps/${pname}.png
+      mkdir -p $out/share/applications
+      ls $out/share/applications
+      sed "s|OUTDIR|$out|" ${desktopItem}/share/applications/${pname}.desktop > $out/share/applications/${pname}.desktop 
+      # Hacks for system electron
+      asar e $out/opt/${binaryName}/resources/app.asar $out/opt/${binaryName}/resources/app
+      rm $out/opt/${binaryName}/resources/app.asar
+      sed -i "s|process.resourcesPath|'$out/opt/${binaryName}/resources'|" $out/opt/${binaryName}/resources/app/app_bootstrap/buildInfo.js
+      sed -i "s|exeDir,|'$out/share/pixmaps',|" $out/opt/${binaryName}/resources/app/app_bootstrap/autoStart/linux.js
+      asar p $out/opt/${binaryName}/resources/app $out/opt/${binaryName}/resources/app.asar --unpack-dir '**'
+
+      # executable wrapper
+      makeWrapper '${electron_exec}' "$out/bin/${binaryName}" \
+        --add-flags "--enable-features=UseOzonePlatform --ozone-platform=wayland $out/opt/${binaryName}/resources/app.asar"\
+        --prefix XDG_DATA_DIRS : "${gtk3}/share/gsettings-schemas/${gtk3.name}/"\
+        --prefix LD_LIBRARY_PATH : ${libPath}
+      ln -s $out/bin/${binaryName} $out/bin/${lib.strings.toLower binaryName}
+    '';
+
+  desktopItem =
+    makeDesktopItem {
+      name = pname;
+      exec = "${binaryName}";
+      icon = pname;
+      inherit desktopName;
+      genericName = meta.description;
+      categories = [ "Network" "InstantMessaging" ];
+      mimeTypes = [ "x-scheme-handler/discord" ];
+    };
+
+  passthru.updateScript = writeScript "discord-update-script" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p curl gnugrep common-updater-scripts
+    set -eou pipefail;
+    url=$(curl -sI "https://discordapp.com/api/download/${builtins.replaceStrings ["discord-" "discord"] ["" "stable"] pname}?platform=linux&format=tar.gz" | grep -oP 'location: \K\S+')
+    version=''${url##https://dl*.discordapp.net/apps/linux/}
+    version=''${version%%/*.tar.gz}
+    update-source-version ${pname} "$version" --file=./pkgs/applications/networking/instant-messengers/discord/default.nix
+  '';
+
+  meta = with lib; {
+    description = "All-in-one cross-platform voice and text chat for gamers";
+    homepage = "https://discordapp.com/";
+    downloadPage = "https://discordapp.com/download";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ ldesgoui MP2E ];
+    platforms = [ "x86_64-linux" ];
+  };
+}