Expose host-native CLI binary as the default flake package

.github/workflows/ci.yml

@@ -158,7 +158,7 @@ jobs:
           sed -i "s|buildVersion = null;|buildVersion = \"$VERSION\";|" flake.nix
 
       - name: Build Artifacts
-        run: nix build --option warn-dirty false --print-build-logs
+        run: nix build .#release --option warn-dirty false --print-build-logs
 
       - name: Upload Artifacts
         uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6

flake.nix

@@ -108,7 +108,8 @@
           build = import ./nix/build.nix { inherit pkgs self; };
         in
         {
-          default = build.release {
+          default = build.binary { inherit version; };
+          release = build.release {
             inherit
               version
               goPlatforms

nix/build.nix

@@ -87,6 +87,26 @@ let
 
 in
 {
+  # Host-native CLI binary. This is the default package, so nix build and nix
+  # run give you a binary for your own machine rather than the full release.
+  binary =
+    { version }:
+    goBinary {
+      inherit version;
+      pname = "crossplane";
+      subPackage = "cmd/crossplane";
+      platform = {
+        os = pkgs.stdenv.hostPlatform.parsed.kernel.name;
+        # Go and Nix disagree on architecture names.
+        arch =
+          {
+            "x86_64" = "amd64";
+            "aarch64" = "arm64";
+          }
+          .${pkgs.stdenv.hostPlatform.parsed.cpu.name};
+      };
+    };
+
   # Full release package with all artifacts.
   release =
     {