Initial commit

flake/den/templates/examples/modules/_example/ci/host-user-conditional-hm.nix

@@ -0,0 +1,42 @@
+{ lib, ... }:
+let
+  # Example: configuration that depends on both host and user. provides only to HM.
+  host-to-user-conditional =
+    {
+      user,
+      host,
+      ...
+    }:
+    if user.userName == "alice" && !lib.hasSuffix "darwin" host.system then
+      {
+        homeManager.programs.git.enable = true;
+      }
+    else
+      { };
+in
+{
+
+  den.aspects.rockhopper.includes = [
+    # Example: host provides parametric user configuration.
+    host-to-user-conditional
+  ];
+
+  perSystem =
+    {
+      checkCond,
+      alice-at-rockhopper,
+      alice-at-honeycrisp,
+      ...
+    }:
+    {
+
+      checks.alice-hm-git-enabled-on = checkCond "home-managed git for alice at rockhopper" (
+        alice-at-rockhopper.programs.git.enable
+      );
+      checks.alice-hm-git-enabled-off = checkCond "home-managed git for alice at honeycrisp" (
+        !alice-at-honeycrisp.programs.git.enable
+      );
+
+    };
+
+}