ci: aggregate checks to avoid duplicate gateway builds

Author: joshp123

flake.nix

@@ -65,32 +65,49 @@
           openclaw = flake-utils.lib.mkApp { drv = packageSetStable.openclaw-gateway; };
         };
 
-        checks = {
-          gateway = packageSetStable.openclaw-gateway;
-          package-contents = pkgs.callPackage ./nix/checks/openclaw-package-contents.nix {
-            openclawGateway = packageSetStable.openclaw-gateway;
-          };
-          config-validity = pkgs.callPackage ./nix/checks/openclaw-config-validity.nix {
-            openclawGateway = packageSetStable.openclaw-gateway;
-          };
-        }
-        // (
-          if pkgs.stdenv.hostPlatform.isLinux then
-            {
-              gateway-tests = pkgs.callPackage ./nix/checks/openclaw-gateway-tests.nix {
-                sourceInfo = sourceInfoStable;
-              };
-              config-options = pkgs.callPackage ./nix/checks/openclaw-config-options.nix {
-                sourceInfo = sourceInfoStable;
+        checks =
+          let
+            baseChecks = {
+              gateway = packageSetStable.openclaw-gateway;
+              package-contents = pkgs.callPackage ./nix/checks/openclaw-package-contents.nix {
+                openclawGateway = packageSetStable.openclaw-gateway;
               };
-              default-instance = pkgs.callPackage ./nix/checks/openclaw-default-instance.nix { };
-              hm-activation = import ./nix/checks/openclaw-hm-activation.nix {
-                inherit pkgs home-manager;
+              config-validity = pkgs.callPackage ./nix/checks/openclaw-config-validity.nix {
+                openclawGateway = packageSetStable.openclaw-gateway;
               };
             }
-          else
-            { }
-        );
+            // (
+              if pkgs.stdenv.hostPlatform.isLinux then
+                {
+                  gateway-tests = pkgs.callPackage ./nix/checks/openclaw-gateway-tests.nix {
+                    sourceInfo = sourceInfoStable;
+                  };
+                  config-options = pkgs.callPackage ./nix/checks/openclaw-config-options.nix {
+                    sourceInfo = sourceInfoStable;
+                  };
+                  default-instance = pkgs.callPackage ./nix/checks/openclaw-default-instance.nix { };
+                  hm-activation = import ./nix/checks/openclaw-hm-activation.nix {
+                    inherit pkgs home-manager;
+                  };
+                }
+              else
+                { }
+            );
+          in
+          baseChecks
+          // {
+            # CI aggregator: build the expensive gateway once, then run all checks in the
+            # same build machine/store to avoid cache-miss races between parallel jobs.
+            ci = pkgs.symlinkJoin {
+              name = "nix-openclaw-ci";
+              paths = [
+                packageSetStable.openclaw
+                packageSetStable.openclaw-gateway
+                packageSetStable.openclaw-tools
+              ]
+              ++ (builtins.attrValues baseChecks);
+            };
+          };
 
         devShells.default = pkgs.mkShell {
           packages = [

garnix.yaml

@@ -1,16 +1,8 @@
 builds:
   include:
-    - "packages.aarch64-darwin.openclaw"
-    - "packages.aarch64-darwin.openclaw-gateway"
-    - "packages.aarch64-darwin.openclaw-tools"
-    - "packages.aarch64-darwin.openclaw-app"
-    - "packages.x86_64-linux.openclaw"
-    - "packages.x86_64-linux.openclaw-gateway"
-    - "packages.x86_64-linux.openclaw-tools"
-    - "checks.aarch64-darwin.gateway"
-    - "checks.x86_64-linux.gateway"
-    - "checks.x86_64-linux.gateway-tests"
-    - "checks.x86_64-linux.config-options"
-    - "checks.x86_64-linux.default-instance"
-    - "checks.x86_64-linux.config-validity"
-    - "checks.x86_64-linux.package-contents"
+    # Single aggregator per platform.
+    #
+    # Avoids building openclaw-gateway multiple times across parallel CI jobs
+    # (cache-miss races) and reduces total compute/quota usage.
+    - "checks.aarch64-darwin.ci"
+    - "checks.x86_64-linux.ci"