teams: add darwin support (#157006)

pkgs/applications/networking/instant-messengers/teams/default.nix

@@ -14,11 +14,26 @@
 , xdg-utils
 , systemd
 , nodePackages
-, enableRectOverlay ? false }:
+, xar
+, cpio
+, makeWrapper
+, enableRectOverlay ? false
+}:
 
-stdenv.mkDerivation rec {
+let
   pname = "teams";
   version = "1.4.00.26453";
+  meta = with lib; {
+    description = "Microsoft Teams";
+    homepage = "https://teams.microsoft.com";
+    downloadPage = "https://teams.microsoft.com/downloads";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ liff tricktron ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
+  };
+
+  linux = stdenv.mkDerivation rec {
+    inherit pname version meta;
 
     src = fetchurl {
       url = "https://packages.microsoft.com/repos/ms-teams/pool/main/t/teams/teams_${version}_amd64.deb";
@@ -110,13 +125,39 @@ stdenv.mkDerivation rec {
       # another option would be to introduce gappsWrapperAppendedArgs, to allow control of positioning
       substituteInPlace "$out/bin/teams" --replace '.teams-wrapped"  --disable-namespace-sandbox --disable-setuid-sandbox "$@"' '.teams-wrapped" "$@" --disable-namespace-sandbox --disable-setuid-sandbox'
     '';
-
-  meta = with lib; {
-    description = "Microsoft Teams";
-    homepage = "https://teams.microsoft.com";
-    downloadPage = "https://teams.microsoft.com/downloads";
-    license = licenses.unfree;
-    maintainers = [ maintainers.liff ];
-    platforms = [ "x86_64-linux" ];
   };
-}
+
+  appName = "Teams.app";
+
+  darwin = stdenv.mkDerivation {
+    inherit pname version meta;
+
+    src = fetchurl {
+      url = "https://statics.teams.cdn.office.net/production-osx/${version}/Teams_osx.pkg";
+      sha256 = "1mg6a3b3954w4xy5rlcrwxczymygl61dv2rxqp45sjcsh3hp39q0";
+    };
+
+    buildInputs = [ xar cpio makeWrapper ];
+
+    unpackPhase = ''
+      xar -xf $src
+      zcat < Teams_osx_app.pkg/Payload | cpio -i
+    '';
+
+    sourceRoot = "Microsoft\ Teams.app";
+    dontPatch = true;
+    dontConfigure = true;
+    dontBuild = true;
+
+    installPhase = ''
+      runHook preInstall
+      mkdir -p $out/{Applications/${appName},bin}
+      cp -R . $out/Applications/${appName}
+      makeWrapper $out/Applications/${appName}/Contents/MacOS/Teams $out/bin/teams
+      runHook postInstall
+    '';
+  };
+in
+if stdenv.isDarwin
+then darwin
+else linux