[DDW-1110] Patch cardano-wallet in our tree to enable Apple Silicon builds

Author: michalrus

default.nix

@@ -31,7 +31,14 @@ let
     };
   };
   pkgs = import sources.nixpkgs { inherit system config; };
-  sources = localLib.sources;
+  sources = localLib.sources // {
+    cardano-wallet = pkgs.runCommand "cardano-wallet" {} ''
+      cp -r ${localLib.sources.cardano-wallet} $out
+      chmod -R +w $out
+      cd $out
+      patch -p1 -i ${./nix/cardano-wallet--enable-aarch64-darwin.patch}
+    '';
+  };
   haskellNix = import sources."haskell.nix" {};
   inherit (import haskellNix.sources.nixpkgs-unstable haskellNix.nixpkgsArgs) haskell-nix;
   flake-compat = import sources.flake-compat;
@@ -61,7 +68,7 @@ let
   ostable.aarch64-darwin = "macos64-arm";
 
   packages = self: {
-    inherit cluster pkgs version target nodeImplementation;
+    inherit walletFlake cluster pkgs version target nodeImplementation;
     cardanoLib = localLib.iohkNix.cardanoLib;
     daedalus-bridge = self.bridgeTable.${nodeImplementation};
 

nix/cardano-wallet--enable-aarch64-darwin.patch

@@ -0,0 +1,32 @@
+diff --git a/flake.nix b/flake.nix
+index e17573394..9afa5b2bd 100644
+--- a/flake.nix
++++ b/flake.nix
+@@ -388,7 +388,14 @@
+     lib.recursiveUpdate (removeAttrs systems [ "systemHydraJobs" "systemHydraJobsPr" "systemHydraJobsBors" ])
+       {
+         inherit overlay nixosModule nixosModules;
+-        hydraJobs = mkHydraJobs systems.systemHydraJobs;
++        # Temporarily fix some merge bug – @michalrus
++        hydraJobs =
++          let hj = mkHydraJobs systems.systemHydraJobs; in
++          hj // {
++            macos = hj.macos // {
++              silicon = systems.systemHydraJobs.aarch64-darwin.macos.silicon;
++            };
++          };
+         hydraJobsPr = mkHydraJobs systems.systemHydraJobsPr;
+         hydraJobsBors = mkHydraJobs systems.systemHydraJobsBors;
+       }
+diff --git a/nix/supported-systems.nix b/nix/supported-systems.nix
+index 6e3f0d94e..5de7138b3 100644
+--- a/nix/supported-systems.nix
++++ b/nix/supported-systems.nix
+@@ -1,6 +1,5 @@
+ [
+   "x86_64-linux"
+   "x86_64-darwin"
+-  # TODO: Enable aarch64-darwin when there are Hydra builders for it
+-  # "aarch64-darwin"
++  "aarch64-darwin"
+ ]