set up treefmt

flake.nix

@@ -73,7 +73,7 @@
     overlays = import ./overlays {inherit inputs outputs;};
 
     devShells = forEachSystem (pkgs: import ./shell.nix {inherit pkgs;});
-    formatter = forEachSystem (pkgs: pkgs.alejandra);
+    formatter = forEachSystem (pkgs: pkgs.treefmt);
 
     nixosConfigurations = {
       bob = lib.nixosSystem {

treefmt.toml

@@ -0,0 +1,14 @@
+# One CLI to format the code tree - https://github.com/numtide/treefmt
+
+[global]
+# Glob patterns of files to exclude
+excludes = [".git/"]
+
+
+[formatter.nixfmt]
+# Formatter to run
+command = "nixfmt"
+# Command-line arguments for the command
+#options = []
+# Glob pattern of files to include
+includes = ["*.nix"]

users/richie/home/programs.nix

@@ -50,7 +50,7 @@
     nix-output-monitor
     nix-prefetch
     nix-tree
-    nixpkgs-fmt
+    nixfmt-rfc-style
     inputs.system_tools.packages.x86_64-linux.default
   ];
 }