nixos-25.11

packages/nixos-hosts/default.nix

@@ -2,7 +2,7 @@
   lib,
   writeText,
   writeShellApplication,
-  substituteAll,
+  replaceVars,
   gum,
   inputs,
   hosts ? { },
@@ -13,8 +13,6 @@ let
   inherit (lib) mapAttrsToList concatStringsSep;
   inherit (lib.metacfg) override-meta;
 
-  substitute = args: builtins.readFile (substituteAll args);
-
   formatted-hosts = mapAttrsToList (name: host: "${name},${host.pkgs.system}") hosts;
 
   hosts-csv = writeText "hosts.csv" ''
@@ -25,9 +23,7 @@ let
   nixos-hosts = writeShellApplication {
     name = "nixos-hosts";
 
-    text = substitute {
-      src = ./nixos-hosts.sh;
-
+    text = replaceVars ./nixos-hosts.sh {
       help = ./help;
       hosts = if hosts == { } then "" else hosts-csv;
     };