1 files changed, 72 insertions, 0 deletions
diff --git a/flake/ci.nix b/flake/ci.nix
new file mode 100644
index 0000000..cd1857f
--- /dev/null
+++ b/flake/ci.nix
@@ -0,0 +1,72 @@
+{
+  lib,
+  withSystem,
+  self,
+  ...
+}:
+
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      quickChecks = {
+        actionlint = {
+          dependencies = [ pkgs.actionlint ];
+          script = "actionlint ${self}/.github/workflows/**";
+        };
+
+        deadnix = {
+          dependencies = [ pkgs.deadnix ];
+          script = "deadnix --fail ${self}";
+        };
+
+        just = {
+          dependencies = [ pkgs.just ];
+          script = ''
+            cd ${self}
+            just --check --fmt --unstable
+            just --summary
+          '';
+        };
+
+        nixfmt = {
+          dependencies = [ pkgs.nixfmt-rfc-style ];
+          script = "nixfmt --check ${self}/**/*.nix";
+        };
+
+        statix = {
+          dependencies = [ pkgs.statix ];
+          script = "statix check ${self}";
+        };
+      };
+    };
+
+  flake = {
+    hydraJobs =
+
+      let
+        # Architecture of "main" CI machine
+        ciSystem = "x86_64-linux";
+
+        derivFromCfg = deriv: deriv.config.system.build.toplevel or deriv.activationPackage;
+        mapCfgsToDerivs = lib.mapAttrs (lib.const derivFromCfg);
+      in
+
+      withSystem ciSystem (
+        { pkgs, self', ... }:
+
+        {
+          # I don't care to run these for each system, as they should be the same
+          # and don't need to be cached
+          inherit (self') checks devShells;
+
+          darwinConfigurations = mapCfgsToDerivs self.darwinConfigurations;
+          homeConfigurations = mapCfgsToDerivs self.homeConfigurations;
+          nixosConfigurations = mapCfgsToDerivs self.nixosConfigurations // {
+            # please add aarch64 runners github...please...
+            atlas = lib.deepSeq (derivFromCfg self.nixosConfigurations.atlas).drvPath pkgs.emptyFile;
+          };
+        }
+      );
+  };
+}