tree-wide: use treefmt

1 files changed, 19 insertions, 0 deletions

diff --git a/dev/treefmt.nix b/dev/treefmt.nix
new file mode 100644
index 0000000..9029cf0
--- /dev/null
+++ b/dev/treefmt.nix
@@ -0,0 +1,19 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.treefmt-nix.flakeModule ];
+
+  perSystem = {
+    treefmt = {
+      projectRootFile = ".git/config";
+
+      # TODO: add actionlint
+      # https://github.com/numtide/treefmt-nix/pull/146
+      programs = {
+        deadnix.enable = true;
+        just.enable = true;
+        nixfmt-rfc-style.enable = true;
+        statix.enable = true;
+      };
+    };
+  };
+}