root: add nix checks

monorepo-revid: 0dc6923deca6e3944819a269bd100c56c9379031

1 files changed, 57 insertions, 0 deletions

diff --git a/root/nix/checks.nix b/root/nix/checks.nix
new file mode 100644
index 0000000..9a0bc16
--- /dev/null
+++ b/root/nix/checks.nix
@@ -0,0 +1,57 @@
+{ inputs, self, ... }:
+{
+  perSystem =
+    {
+      lib,
+      pkgs,
+      system,
+      ...
+    }:
+    let
+      mkCheck =
+        prefix: key: value:
+        lib.attrsets.nameValuePair "${prefix}-${key}" value;
+      devshells = lib.attrsets.mapAttrs' (mkCheck "devshell") self.devShells."${system}";
+      packages = lib.attrsets.mapAttrs' (mkCheck "build") self.packages."${system}";
+
+      nixos =
+        let
+          isCurrentSystem = _: conf: conf.pkgs.stdenv.hostPlatform.system == system;
+          nixos = lib.attrsets.filterAttrs isCurrentSystem self.nixosConfigurations;
+        in
+        lib.attrsets.mapAttrs' (mkCheck "nixos") (
+          lib.attrsets.mapAttrs (_: conf: conf.config.system.build.toplevel) nixos
+        );
+    in
+    {
+      checks =
+        packages
+        // nixos
+        // devshells
+        // {
+          root-lint =
+            let
+              treefmt = pkgs.callPackage ./_treefmt.nix { treefmt-nix = inputs.treefmt-nix; };
+            in
+            pkgs.stdenvNoCC.mkDerivation {
+              name = "root-lint";
+              version = "0.0.1";
+
+              src = lib.fileset.toSource {
+                root = ../../.;
+                fileset = lib.fileset.unions [
+                  ../../flake.lock
+                  ../../flake.nix
+                  ../../README.md
+                  ../../root
+                ];
+              };
+
+              buildPhase = ''
+                "${treefmt}/bin/treefmt" --ci
+                touch "$out"
+              '';
+            };
+        };
+    };
+}