treefmt: fix statix fmt

pkgs/emacs.nix

@@ -3,10 +3,11 @@
 , ...
 }:
 let
-  emacsPkg = (if (pkgs.system == "x86_64-linux") then
+  emacsPkg =
+    if (pkgs.system == "x86_64-linux") then
       pkgs.emacs-pgtk
     else
-    pkgs.emacs);
+      pkgs.emacs;
 in
 emacsWithPackagesFromUsePackage {
   config = ../configs/emacs.org;

treefmt.toml

@@ -1,6 +1,9 @@
 [formatter.statix]
-command = "statix"
-options = ["check"]
+#command = "statix"
+#options = ["check"]
+command = "sh"
+options = ["-euc", "for file in \"$@\"; do statix check \"$file\"; done"]
+includes = [ "*.nix" ]
 priority = 1
 
 [formatter.deadnix]