Fix issues with nix Emacs on Mac

doom/config.el

@@ -125,3 +125,6 @@
 ;; "g u" in normal mode finds references, using LSP if available
 (map! :n "g u" #'xref-find-references)
 (map! :mode lsp-mode :n "g u" #'lsp-ui-peek-find-references)
+
+;; Insist on using regular "ls", to override Doom's insistence on "gls" on Mac+Nix
+(setq insert-directory-program "ls")

nix/home.nix

@@ -55,6 +55,8 @@ in
     kitty
     nodePackages.pyright
     emacs28NativeComp
+    coreutils
+    zstd
   ];
 
   programs.direnv.enable = true;