From 1d1e122c971c7e01a7e01937dba20479cd022448 Mon Sep 17 00:00:00 2001
From: seth <getchoo@tuta.io>
Date: Mon, 11 Nov 2024 17:24:10 -0500
Subject: [PATCH] ci: add flake checks

---
 flake.nix | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/flake.nix b/flake.nix
index a307d3dc..a6c6cda9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,29 @@
       nixpkgsFor = nixpkgs.legacyPackages;
     in
     {
+      checks = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgsFor.${system};
+          mkCheck =
+            name: deps: script:
+            pkgs.runCommand name { nativeBuildInputs = deps; } ''
+              ${script}
+              touch $out
+            '';
+        in
+        {
+          actionlint = mkCheck "check-actionlint" [ pkgs.actionlint ] "actionlint ${./.github/workflows}/*";
+          deadnix = mkCheck "check-deadnix" [ pkgs.deadnix ] "deadnix --fail ${self}";
+          statix = mkCheck "check-statix" [ pkgs.statix ] "statix check ${self}";
+          nixfmt = mkCheck "check-nixfmt" [ pkgs.nixfmt-rfc-style ] "nixfmt --check ${self}";
+          rustfmt = mkCheck "check-rustfmt" [
+            pkgs.cargo
+            pkgs.rustfmt
+          ] "cd ${self} && cargo fmt -- --check";
+        }
+      );
+
       devShells = forAllSystems (
         system:
         let