README.md

@@ -45,6 +45,3 @@ A workaround is to deploy the share without `deploy-rs`'s rollback feature enabl
 ```
 deploy --targets .#lewis --auto-rollback false --magic-rollback false
 ```
-
-Currently the flake checks fail on Raspberry Pi because it tries to compile the deploy-rs binary in aarch64 format on the controller.
-This can be temporarily circumvented by using `--skip-checks`.

flake.nix

@@ -31,9 +31,10 @@
   outputs =
     { self, nixpkgs, deploy-rs, disko, agenix, nixpkgs-unstable, dns, microvm, nixos-hardware, ... }:
     let
-      pkgs = nixpkgs.legacyPackages."x86_64-linux";
+      controllerArch = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${controllerArch};
       lib = pkgs.lib;
-      pkgs-unstable = nixpkgs-unstable.legacyPackages."x86_64-linux";
+      pkgs-unstable = nixpkgs-unstable.legacyPackages.${controllerArch};
       machines = import ./nixos/machines;
       physicalMachines = lib.filterAttrs (n: v: v.type == "physical") machines;
       mkNixosSystems = systemDef:
@@ -48,7 +49,7 @@
           physicalMachines;
     in
     {
-      devShells."x86_64-linux".default = pkgs.mkShell {
+      devShells.${controllerArch}.default = pkgs.mkShell {
         packages = with pkgs; [
           libsecret
           # TODO: using nixos-anywhere from nixos-unstable produces buffer overflow.
@@ -65,7 +66,7 @@
         ];
       };
 
-      formatter."x86_64-linux" = pkgs.nixfmt;
+      formatter.${controllerArch} = pkgs.nixfmt;
 
       nixosConfigurations = mkNixosSystems (name: machine: {
         system = machine.arch;
@@ -84,17 +85,25 @@
         nodes = mkDeployNodes (name: machine: {
           hostname = self.nixosConfigurations.${name}.config.networking.fqdn;
           profiles.system = {
-            remoteBuild = machine.arch != "x86_64-linux";
+            remoteBuild = machine.arch != controllerArch;
             path = deploy-rs.lib."${machine.arch}".activate.nixos
               self.nixosConfigurations.${name};
           };
         });
       };
 
-      # TODO: Currently flake checks for Raspberry Pi are broken.
-      # Temporarily use --skip-checks until this is resolved.
+      # Deploy-rs' flake checks seem broken for architectures different from the deployment machine.
+      # We skip these here.
       checks = builtins.mapAttrs
-        (system: deployLib: deployLib.deployChecks self.deploy)
+        (system: deployLib:
+          deployLib.deployChecks (self.deploy // {
+            nodes = (lib.attrsets.filterAttrs
+              (name: node:
+                machines.${name}.arch == controllerArch
+              )
+              self.deploy.nodes);
+          })
+        )
         deploy-rs.lib;
     };
 }