feat: add nixfmt check (#3)

2 files changed, 12 insertions, 1 deletions

diff --git a/checks/nixfmt/package.nix b/checks/nixfmt/package.nix
new file mode 100644
index 0000000..ab4d88c
--- /dev/null
+++ b/checks/nixfmt/package.nix
@@ -0,0 +1,10 @@
+{
+  lib,
+  runCommand,
+  nixfmt-rfc-style,
+  root,
+}:
+runCommand "check-nixfmt" {} ''
+  ${lib.getExe nixfmt-rfc-style} --check ${root}
+  touch $out
+''
diff --git a/test/flake.nix b/test/flake.nix
index fb4547c..fdf8833 100644
--- a/test/flake.nix
+++ b/test/flake.nix
@@ -16,6 +16,7 @@
         root = ../.;
       };
     in {
-      checks = flake-checks';
+      # we use alejandra, so nixfmt will always fail
+      checks = builtins.removeAttrs flake-checks' ["nixfmt"];
     });
 }