chore: add CI to dogfood

.gitlab-ci.yml

@@ -0,0 +1,4 @@
+include:
+  - component: gitlab.com/TECHNOFAB/nix-gitlab-ci/nix-gitlab-ci@2.0.0
+    inputs:
+      version: 2.0.0

flake.lock

@@ -202,6 +202,24 @@
         "type": "github"
       }
     },
+    "nix-gitlab-ci": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1746300997,
+        "narHash": "sha256-PuI1WaDFgvRh5d0yBAJzkbbonZaTxqWqm1hu3WP+9iU=",
+        "owner": "TECHNOFAB",
+        "repo": "nix-gitlab-ci",
+        "rev": "9ee4ad02b8f950d48fb30ab11b8475a3f52d327c",
+        "type": "gitlab"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "TECHNOFAB",
+        "ref": "2.0.0",
+        "repo": "nix-gitlab-ci",
+        "type": "gitlab"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1733212471,
@@ -301,6 +319,7 @@
       "inputs": {
         "devenv": "devenv",
         "flake-parts": "flake-parts_2",
+        "nix-gitlab-ci": "nix-gitlab-ci",
         "nixpkgs": "nixpkgs_4",
         "systems": "systems",
         "treefmt-nix": "treefmt-nix"

flake.nix

@@ -8,6 +8,7 @@
       imports = [
         inputs.devenv.flakeModule
         inputs.treefmt-nix.flakeModule
+        inputs.nix-gitlab-ci.flakeModule
         ./lib/flakeModule.nix
       ];
       systems = import systems;
@@ -70,6 +71,23 @@
           ];
         };
 
+        ci = {
+          stages = ["test"];
+          jobs = {
+            "test" = {
+              stage = "test";
+              script = [
+                "nix run .#nixtests:run -- --junit=junit.xml"
+              ];
+              allow_failure = true;
+              artifacts = {
+                when = "always";
+                reports.junit = "junit.xml";
+              };
+            };
+          };
+        };
+
         packages.default = pkgs.callPackage ./package.nix {};
       };
     };
@@ -82,6 +100,7 @@
     systems.url = "github:nix-systems/default-linux";
     devenv.url = "github:cachix/devenv";
     treefmt-nix.url = "github:numtide/treefmt-nix";
+    nix-gitlab-ci.url = "gitlab:TECHNOFAB/nix-gitlab-ci/2.0.0?dir=lib";
   };
 
   nixConfig = {