fix: prefer Darwin on arm64

Author: henry40408

Makefile

@@ -2,6 +2,7 @@
 
 NIX_FILES := $(shell find . -name '*.nix')
 UNAME := $(shell uname)
+ARCH := $(shell uname -m)
 WSL_DISTRO := $(strip $(WSL_DISTRO_NAME))
 
 fmt:
@@ -14,17 +15,31 @@ update:
 
 dry-run:
 ifeq ($(UNAME), Darwin)
-	# Darwin
+ifeq ($(ARCH), arm64)
+	# Darwin (arm64)
 	home-manager build --dry-run --flake '.#henry@darwin'
+else ifeq ($(ARCH), x86_64)
+	# Darwin (x86_64)
+	home-manager build --dry-run --flake '.#henry@darwin-legacy'
+else
+	$(error Unsupported architecture)
+endif
 else
 	# WSL & VM
 	home-manager build --dry-run --flake '.#nixos@all'
 endif
 
 switch:
 ifeq ($(UNAME), Darwin)
-	# Darwin
+ifeq ($(ARCH), arm64)
+	# Darwin (arm64)
 	home-manager switch --flake '.#henry@darwin'
+else ifeq ($(ARCH), x86_64)
+	# Darwin (x86_64)
+	home-manager switch --flake '.#henry@darwin-legacy'
+else
+	$(error Unsupported architecture)
+endif
 else
 	# WSL & VM
 	home-manager switch --flake '.#nixos@all'
@@ -36,7 +51,7 @@ os/dry-run:
 ifdef WSL_DISTRO
 	sudo nixos-rebuild dry-build --flake ".#wsl" --impure
 else ifeq ($(UNAME), Darwin)
-	$(info Darwin is not supported)
+	$(error Darwin is not supported)
 else ifeq ($(UNAME), Linux)
 	sudo nixos-rebuild dry-build --flake ".#vm" --impure
 endif
@@ -45,7 +60,7 @@ os/switch:
 ifdef WSL_DISTRO
 	sudo nixos-rebuild switch --flake ".#wsl" --impure
 else ifeq ($(UNAME), Darwin)
-	$(info Darwin is not supported)
+	$(error Darwin is not supported)
 else ifeq ($(UNAME), Linux)
 	sudo nixos-rebuild switch --flake ".#vm" --impure
 endif

flake.nix

@@ -51,11 +51,16 @@
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [ ./home-manager/linux ];
         };
-        "henry@darwin" = home-manager.lib.homeManagerConfiguration {
+        "henry@darwin-legacy" = home-manager.lib.homeManagerConfiguration {
           pkgs = nixpkgs.legacyPackages.x86_64-darwin; # Home-manager requires 'pkgs' instance
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [ ./home-manager/darwin ];
         };
+        "henry@darwin" = home-manager.lib.homeManagerConfiguration {
+          pkgs = nixpkgs.legacyPackages.aarch64-darwin; # Home-manager requires 'pkgs' instance
+          extraSpecialArgs = { inherit inputs outputs; };
+          modules = [ ./home-manager/darwin ];
+        };
       };
     };
 }