home/exa: add overlay without git extension

home/progs/exa.nix

@@ -4,7 +4,10 @@ with lib;
 
 let
   cfg = config.progs.exa;
-  bin = "${pkgs.exa}/bin/exa";
+
+  exaPackage = pkgs.exa-minimal;
+  defaultArgs = "--icons --classify";
+  bin = "${exaPackage}/bin/exa ${defaultArgs}";
 in
 {
   options.progs.exa = {
@@ -16,9 +19,14 @@ in
   };
 
   config = mkIf cfg.enable {
-    programs.exa = {
-      enable = true;
-      enableAliases = true;
+    home.packages = [ exaPackage ];
+
+    programs.zsh.shellAliases = mkIf config.shell.zsh.enable rec {
+      ls = "${bin} --oneline";
+      la = "${ls} --all";
+      lt = "${bin} --tree --level=3";
+      ll = "${bin} --long --header";
+      lla = "${ll} --all";
     };
   };
 }

overlays/default.nix

@@ -1,4 +1,5 @@
 [
   (import ./himalaya.nix)
   (import ./pass.nix)
+  (import ./exa.nix)
 ]

overlays/exa.nix

@@ -0,0 +1,5 @@
+final: prev: {
+  exa-minimal = prev.exa.overrideAttrs (oldAttrs: {
+    cargoBuildFlags = [ "--no-default-features" ];
+  });
+}