add run binary

custom-pkgs/default.nix

@@ -1,6 +1,7 @@
 pkgs: {
   cargo-bisect-rustc = import ./cargo-bisect-rustc/default.nix pkgs;
   monaspace = import ./monaspace.nix pkgs;
+  run = import ./run { inherit pkgs; };
   x = import ./x { inherit pkgs; };
 }
 

custom-pkgs/run/default.nix

@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> { } }: pkgs.writeShellScriptBin "run" ''
+  first="$1"
+  if [ -z "$first" ]; then
+    echo "error: must provide package name"
+    exit 1
+  fi
+  shift
+  nix run nixpkgs#"$first" -- "$@"
+''

home-manager/desktop.nix

@@ -30,6 +30,7 @@ in
   home.packages = with pkgs; [
     audacity
     customPkgs.cargo-bisect-rustc
+    customPkgs.run
     discord
     jetbrains.idea-ultimate
     obs-studio