Lint yaml better

checks.nix

@@ -1,4 +1,9 @@
-{ hooks, system, ... }:
+{
+  hooks,
+  lib,
+  system,
+  ...
+}:
 
 {
   pre-commit-check = hooks.lib.${system}.run {
@@ -9,6 +14,26 @@
       #flake-checker.enable = true;
       nixfmt-rfc-style.enable = true;
       check-merge-conflicts.enable = true;
+      check-yaml.enable = true;
+      yamllint = {
+        enable = true;
+        args = [
+          "--config-data"
+          (lib.generators.toYAML { } {
+            extends = "default";
+            ignore = [
+              "manifests/cnpg-system/barman-cloud.yaml"
+              ".pre-commit-config.yaml"
+            ];
+            rules = {
+              comments = false;
+              comments-indentation = false;
+              document-start = false;
+            };
+          })
+        ];
+        verbose = true;
+      };
     };
   };
 }