flake/packages: exclude docs from packages on darwin

flake-modules/default.nix

@@ -1,13 +1,13 @@
 {inputs, ...}: {
   imports = [
-    ./checks.nix
     ./dev.nix
     ./lib.nix
     ./legacy-packages.nix
     ./modules.nix
     ./overlays.nix
     ./packages.nix
     ./templates.nix
+    ./tests.nix
     ./wrappers.nix
   ];
 

flake-modules/packages.nix

@@ -7,7 +7,9 @@
     ...
   }: {
     packages = let
-      docs = {
+      # Do not check if documentation builds fine on darwin as it fails:
+      # > sandbox-exec: pattern serialization length 69298 exceeds maximum (65535)
+      docs = pkgs.lib.optionalAttrs (!pkgs.stdenv.isDarwin) {
         docs = pkgsUnfree.callPackage (import ../docs) {
           inherit modules;
         };
@@ -20,5 +22,8 @@
     in
       docs
       // man-docs;
+
+    # Test that all packages build fine when running `nix flake check`.
+    checks = config.packages;
   };
 }

flake-modules/tests.nix

@@ -0,0 +1,32 @@
+{
+  perSystem = {
+    pkgs,
+    config,
+    makeNixvimWithModuleUnfree,
+    makeNixvimWithModule,
+    ...
+  }: {
+    checks = {
+      tests = import ../tests {
+        inherit pkgs;
+        inherit (pkgs) lib;
+        makeNixvim = configuration:
+          makeNixvimWithModuleUnfree {
+            module = {
+              config = configuration;
+            };
+          };
+      };
+
+      extra-args-tests = import ../tests/extra-args.nix {
+        inherit pkgs;
+        inherit makeNixvimWithModule;
+      };
+
+      lib-tests = import ../tests/lib-tests.nix {
+        inherit pkgs;
+        inherit (pkgs) lib;
+      };
+    };
+  };
+}