meta: refactor c and dotnet

templates/c/flake/default.nix

@@ -1,9 +1,4 @@
-{
-  stdenv,
-  lib,
-  meson,
-  ninja,
-}:
+{ stdenv, lib, meson, ninja, }:
 stdenv.mkDerivation {
   pname = "REPLACE_ME";
   version = "1";
@@ -13,10 +8,7 @@ stdenv.mkDerivation {
     filter = path: _type: baseNameOf path != ".git";
   };
 
-  nativeBuildInputs = [
-    meson
-    ninja
-  ];
+  nativeBuildInputs = [ meson ninja ];
 
   installPhase = ''
     mkdir -p $out/bin

templates/c/flake/formatter.nix

@@ -1,20 +1,10 @@
-{
-  writeShellApplication,
-  alejandra,
-  llvmPackages_19,
-  fd,
-}:
+{ writeShellApplication, nixfmt, deadnix, statix, llvmPackages_19, fd, }:
 writeShellApplication {
   name = "formatter";
-  runtimeInputs = [
-    alejandra
-    llvmPackages_19.clang-tools
-    fd
-  ];
+  runtimeInputs = [ nixfmt deadnix statix llvmPackages_19.clang-tools fd ];
   text = ''
-    fd --extension nix -X alejandra -- {}
-    fd --extension nix -X deadnix -e -- {}
-    fd --extension nix -x statix fix -- {}
-    fd --extension c -X clang-format --verbose -i -- {}
+    fd -e nix -X nixfmt {} \; -X deadnix -e {}
+    fd -e nix -x statix fix {}
+    fd -e c -e h -X clang-format --verbose -i {}
   '';
 }