slack: split by system

pkgs/by-name/sl/slack/darwin.nix

···
+{
+  pname,
+  version,
+  src,
+  passthru,
+  meta,
+
+  stdenvNoCC,
+  undmg,
+}:
+stdenvNoCC.mkDerivation {
+  inherit
+    pname
+    version
+    src
+    passthru
+    meta
+    ;
+
+  nativeBuildInputs = [ undmg ];
+
+  sourceRoot = ".";
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/Applications
+    cp -a Slack.app $out/Applications
+    runHook postInstall
+  '';
+}

pkgs/by-name/sl/slack/linux.nix

···
+{
+  pname,
+  version,
+  src,
+  passthru,
+  meta,
+
+  lib,
+  stdenv,
+  dpkg,
+  makeWrapper,
+  asar,
+  alsa-lib,
+  at-spi2-atk,
+  at-spi2-core,
+  atk,
+  cairo,
+  cups,
+  curl,
+  dbus,
+  expat,
+  fontconfig,
+  freetype,
+  gdk-pixbuf,
+  glib,
+  gtk3,
+  libGL,
+  libappindicator-gtk3,
+  libdrm,
+  libnotify,
+  libpulseaudio,
+  libuuid,
+  libxcb,
+  libxkbcommon,
+  libgbm,
+  nspr,
+  nss,
+  pango,
+  pipewire,
+  systemd,
+  wayland,
+  xdg-utils,
+  xorg,
+}:
+stdenv.mkDerivation rec {
+  inherit
+    pname
+    version
+    src
+    passthru
+    meta
+    ;
+
+  rpath =
+    lib.makeLibraryPath [
+      alsa-lib
+      at-spi2-atk
+      at-spi2-core
+      atk
+      cairo
+      cups
+      curl
+      dbus
+      expat
+      fontconfig
+      freetype
+      gdk-pixbuf
+      glib
+      gtk3
+      libGL
+      libappindicator-gtk3
+      libdrm
+      libnotify
+      libpulseaudio
+      libuuid
+      libxcb
+      libxkbcommon
+      libgbm
+      nspr
+      nss
+      pango
+      pipewire
+      stdenv.cc.cc
+      systemd
+      wayland
+      xorg.libX11
+      xorg.libXScrnSaver
+      xorg.libXcomposite
+      xorg.libXcursor
+      xorg.libXdamage
+      xorg.libXext
+      xorg.libXfixes
+      xorg.libXi
+      xorg.libXrandr
+      xorg.libXrender
+      xorg.libXtst
+      xorg.libxkbfile
+      xorg.libxshmfence
+    ]
+    + ":${lib.getLib stdenv.cc.cc}/lib64";
+
+  buildInputs = [
+    gtk3 # needed for GSETTINGS_SCHEMAS_PATH
+  ];
+
+  nativeBuildInputs = [
+    dpkg
+    makeWrapper
+    asar
+  ];
+
+  dontUnpack = true;
+  dontBuild = true;
+  dontPatchELF = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    # The deb file contains a setuid binary, so 'dpkg -x' doesn't work here
+    dpkg --fsys-tarfile $src | tar --extract
+    rm -rf usr/share/lintian
+
+    mkdir -p $out
+    mv usr/* $out
+
+    # Otherwise it looks "suspicious"
+    chmod -R g-w $out
+
+    for file in $(find $out -type f \( -perm /0111 -o -name \*.so\* \) ); do
+      patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$file" || true
+      patchelf --set-rpath ${rpath}:$out/lib/slack $file || true
+    done
+
+    # Replace the broken bin/slack symlink with a startup wrapper.
+    # Make xdg-open overrideable at runtime.
+    rm $out/bin/slack
+    makeWrapper $out/lib/slack/slack $out/bin/slack \
+      --prefix XDG_DATA_DIRS : $GSETTINGS_SCHEMAS_PATH \
+      --suffix PATH : ${lib.makeBinPath [ xdg-utils ]} \
+      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations,WebRTCPipeWireCapturer --enable-wayland-ime=true}}"
+
+    # Fix the desktop link
+    substituteInPlace $out/share/applications/slack.desktop \
+      --replace /usr/bin/ $out/bin/ \
+      --replace /usr/share/pixmaps/slack.png slack \
+      --replace bin/slack "bin/slack -s"
+
+    # Prevent Un-blacklist pipewire integration to enable screen sharing on wayland.
+    # https://github.com/flathub/com.slack.Slack/issues/101#issuecomment-1807073763
+    sed -i -e 's/,"WebRTCPipeWireCapturer"/,"LebRTCPipeWireCapturer"/' $out/lib/slack/resources/app.asar
+
+    runHook postInstall
+  '';
+}

pkgs/by-name/sl/slack/package.nix

···
 {
-  lib,
-  stdenv,
+  callPackage,
   fetchurl,
-  dpkg,
-  undmg,
-  makeWrapper,
-  asar,
-  alsa-lib,
-  at-spi2-atk,
-  at-spi2-core,
-  atk,
-  cairo,
-  cups,
-  curl,
-  dbus,
-  expat,
-  fontconfig,
-  freetype,
-  gdk-pixbuf,
-  glib,
-  gtk3,
-  libGL,
-  libappindicator-gtk3,
-  libdrm,
-  libnotify,
-  libpulseaudio,
-  libuuid,
-  libxcb,
-  libxkbcommon,
-  libxshmfence,
-  libgbm,
-  nspr,
-  nss,
-  pango,
-  pipewire,
-  systemd,
-  wayland,
-  xdg-utils,
-  xorg,
+  lib,
+  stdenvNoCC,
 }:
 
 let
-  inherit (stdenv.hostPlatform) system;
-  throwSystem = throw "slack does not support system: ${system}";
+  inherit (stdenvNoCC.hostPlatform) system;
 
   pname = "slack";
 
···
   aarch64-darwin-version = "4.45.64";
   aarch64-darwin-sha256 = "136crd17ybaznp680qb2rl0c8cllkkv21ymf3dck2jhkqbp7v2kj";
 
-  version =
-    {
-      x86_64-darwin = x86_64-darwin-version;
-      x86_64-linux = x86_64-linux-version;
-      aarch64-darwin = aarch64-darwin-version;
-    }
-    .${system} or throwSystem;
-
-  src =
+  sources =
     let
       base = "https://downloads.slack-edge.com";
     in
     {
-      x86_64-darwin = fetchurl {
-        url = "${base}/desktop-releases/mac/universal/${version}/Slack-${version}-macOS.dmg";
-        sha256 = x86_64-darwin-sha256;
+      x86_64-darwin = rec {
+        version = x86_64-darwin-version;
+        src = fetchurl {
+          url = "${base}/desktop-releases/mac/universal/${version}/Slack-${version}-macOS.dmg";
+          sha256 = x86_64-darwin-sha256;
+        };
       };
-      x86_64-linux = fetchurl {
-        url = "${base}/desktop-releases/linux/x64/${version}/slack-desktop-${version}-amd64.deb";
-        sha256 = x86_64-linux-sha256;
+      x86_64-linux = rec {
+        version = x86_64-linux-version;
+        src = fetchurl {
+          url = "${base}/desktop-releases/linux/x64/${version}/slack-desktop-${version}-amd64.deb";
+          sha256 = x86_64-linux-sha256;
+        };
       };
-      aarch64-darwin = fetchurl {
-        url = "${base}/desktop-releases/mac/arm64/${version}/Slack-${version}-macOS.dmg";
-        sha256 = aarch64-darwin-sha256;
+      aarch64-darwin = rec {
+        version = aarch64-darwin-version;
+        src = fetchurl {
+          url = "${base}/desktop-releases/mac/arm64/${version}/Slack-${version}-macOS.dmg";
+          sha256 = aarch64-darwin-sha256;
+        };
       };
-    }
-    .${system} or throwSystem;
+    };
+
+  passthru = {
+    updateScript = ./update.sh;
+  };
 
   meta = {
     description = "Desktop client for Slack";
···
     ];
     mainProgram = "slack";
   };
-
-  linux = stdenv.mkDerivation rec {
-    inherit
-      pname
-      version
-      src
-      meta
-      ;
-
-    passthru.updateScript = ./update.sh;
-
-    rpath =
-      lib.makeLibraryPath [
-        alsa-lib
-        at-spi2-atk
-        at-spi2-core
-        atk
-        cairo
-        cups
-        curl
-        dbus
-        expat
-        fontconfig
-        freetype
-        gdk-pixbuf
-        glib
-        gtk3
-        libGL
-        libappindicator-gtk3
-        libdrm
-        libnotify
-        libpulseaudio
-        libuuid
-        libxcb
-        libxkbcommon
-        libgbm
-        nspr
-        nss
-        pango
-        pipewire
-        stdenv.cc.cc
-        systemd
-        wayland
-        xorg.libX11
-        xorg.libXScrnSaver
-        xorg.libXcomposite
-        xorg.libXcursor
-        xorg.libXdamage
-        xorg.libXext
-        xorg.libXfixes
-        xorg.libXi
-        xorg.libXrandr
-        xorg.libXrender
-        xorg.libXtst
-        xorg.libxkbfile
-        xorg.libxshmfence
-      ]
-      + ":${lib.getLib stdenv.cc.cc}/lib64";
-
-    buildInputs = [
-      gtk3 # needed for GSETTINGS_SCHEMAS_PATH
-    ];
-
-    nativeBuildInputs = [
-      dpkg
-      makeWrapper
-      asar
-    ];
-
-    dontUnpack = true;
-    dontBuild = true;
-    dontPatchELF = true;
-
-    installPhase = ''
-      runHook preInstall
-
-      # The deb file contains a setuid binary, so 'dpkg -x' doesn't work here
-      dpkg --fsys-tarfile $src | tar --extract
-      rm -rf usr/share/lintian
-
-      mkdir -p $out
-      mv usr/* $out
-
-      # Otherwise it looks "suspicious"
-      chmod -R g-w $out
-
-      for file in $(find $out -type f \( -perm /0111 -o -name \*.so\* \) ); do
-        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$file" || true
-        patchelf --set-rpath ${rpath}:$out/lib/slack $file || true
-      done
-
-      # Replace the broken bin/slack symlink with a startup wrapper.
-      # Make xdg-open overrideable at runtime.
-      rm $out/bin/slack
-      makeWrapper $out/lib/slack/slack $out/bin/slack \
-        --prefix XDG_DATA_DIRS : $GSETTINGS_SCHEMAS_PATH \
-        --suffix PATH : ${lib.makeBinPath [ xdg-utils ]} \
-        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations,WebRTCPipeWireCapturer --enable-wayland-ime=true}}"
-
-      # Fix the desktop link
-      substituteInPlace $out/share/applications/slack.desktop \
-        --replace /usr/bin/ $out/bin/ \
-        --replace /usr/share/pixmaps/slack.png slack \
-        --replace bin/slack "bin/slack -s"
-    ''
-    + lib.optionalString stdenv.hostPlatform.isLinux ''
-      # Prevent Un-blacklist pipewire integration to enable screen sharing on wayland.
-      # https://github.com/flathub/com.slack.Slack/issues/101#issuecomment-1807073763
-      sed -i -e 's/,"WebRTCPipeWireCapturer"/,"LebRTCPipeWireCapturer"/' $out/lib/slack/resources/app.asar
-    ''
-    + ''
-      runHook postInstall
-    '';
-  };
-
-  darwin = stdenv.mkDerivation {
-    inherit
-      pname
-      version
-      src
-      meta
-      ;
-
-    passthru.updateScript = ./update.sh;
-
-    nativeBuildInputs = [ undmg ];
-
-    sourceRoot = ".";
-
-    installPhase = ''
-      runHook preInstall
-      mkdir -p $out/Applications
-      cp -a Slack.app $out/Applications
-      runHook postInstall
-    '';
-  };
 in
-if stdenv.hostPlatform.isDarwin then darwin else linux
+callPackage (if stdenvNoCC.hostPlatform.isDarwin then ./darwin.nix else ./linux.nix) {
+  inherit pname passthru meta;
+  inherit (sources.${system} or (throw "Unsupported system: ${system}")) version src;
+}