checks: rename dummy-inventory-test -> service-dummy-test

checks/service-dummy-test-from-flake/flake.nix

@@ -0,0 +1,71 @@
+{
+  inputs.clan-core.url = "https://git.clan.lol/clan/clan-core/archive/main.tar.gz";
+  inputs.nixpkgs.follows = "clan-core/nixpkgs";
+
+  outputs =
+    { self, clan-core, ... }:
+    let
+      # Usage see: https://docs.clan.lol
+      clan = clan-core.clanLib.buildClan {
+        inherit self;
+
+        inventory =
+          { ... }:
+          {
+            meta.name = "foo";
+            machines.peer1 = { };
+            machines.admin1 = { };
+            services = {
+              legacy-module.default = {
+                roles.peer.machines = [ "peer1" ];
+                roles.admin.machines = [ "admin1" ];
+              };
+            };
+
+            instances."test" = {
+              module.name = "new-service";
+              module.input = "self";
+              roles.peer.machines.peer1 = { };
+            };
+
+            modules = {
+              legacy-module = ./legacy-module;
+            };
+          };
+
+        modules.new-service = {
+          _class = "clan.service";
+          manifest.name = "new-service";
+          roles.peer = { };
+          perMachine = {
+            nixosModule = {
+              # This should be generated by:
+              # nix run .#generate-test-vars -- checks/service-dummy-test service-dummy-test
+              clan.core.vars.generators.new-service = {
+                files.not-a-secret = {
+                  secret = false;
+                  deploy = true;
+                };
+                files.a-secret = {
+                  secret = true;
+                  deploy = true;
+                  owner = "nobody";
+                  group = "users";
+                  mode = "0644";
+                };
+                script = ''
+                  # This is a dummy script that does nothing
+                  echo -n "not-a-secret" > $out/not-a-secret
+                  echo -n "a-secret" > $out/a-secret
+                '';
+              };
+            };
+          };
+        };
+      };
+    in
+    {
+      # all machines managed by Clan
+      inherit (clan) nixosConfigurations nixosModules clanInternals;
+    };
+}