Initial commit

flake/den/templates/examples/modules/_example/ci/set-hostname.nix

@@ -0,0 +1,29 @@
+{
+  den.default.includes =
+    let
+      # Example: parametric host aspect to automatically set hostName on any host.
+      set-host-name =
+        { host, ... }:
+        {
+          ${host.class}.networking.hostName = host.name;
+        };
+    in
+    [ set-host-name ];
+
+  perSystem =
+    {
+      checkCond,
+      rockhopper,
+      honeycrisp,
+      ...
+    }:
+    {
+      checks.rockhopper-hostname = checkCond "den.default.host.includes sets hostName" (
+        rockhopper.config.networking.hostName == "rockhopper"
+      );
+
+      checks.honeycrisp-hostname = checkCond "den.default.host.includes sets hostName" (
+        honeycrisp.config.networking.hostName == "honeycrisp"
+      );
+    };
+}