From 3871cb7ab4e56617dade6139b359261283ea8d04 Mon Sep 17 00:00:00 2001
From: Johannes Kirschbauer <hsjobeki@gmail.com>
Date: Fri, 11 Jul 2025 16:42:20 +0200
Subject: [PATCH] Templates: keep clan.nix in sync between default and
 flake-parts

---
 templates/flake-module.nix | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/templates/flake-module.nix b/templates/flake-module.nix
index 366fd7ef7..806bb6426 100644
--- a/templates/flake-module.nix
+++ b/templates/flake-module.nix
@@ -5,6 +5,27 @@
   };
 
   flake = {
+    checks.x86_64-linux.equal-templates =
+      inputs.nixpkgs.legacyPackages.x86_64-linux.runCommand "minimal-clan-flake" { }
+        ''
+          file1=${./clan/default/clan.nix}
+          file2=${./clan/flake-parts/clan.nix}
+
+          echo "Comparing $file1 and $file2"
+          if cmp -s "$file1" "$file2"; then
+            echo "clan.nix files are identical"
+          else
+            echo "clan.nix files are out of sync"
+            echo "Please make sure to keep templates clan.nix files in sync."
+            echo "files: templates/clan/default/clan.nix templates/clan/flake-parts/clan.nix"
+            echo "--------------------------------\n"
+            diff "$file1" "$file2"
+            echo "--------------------------------\n\n"
+            exit 1
+          fi
+
+          touch $out
+        '';
     checks.x86_64-linux.template-minimal =
       let
         path = self.clan.templates.clan.minimal.path;