Merge pull request 'revert vars: use writeShellApplication to shellcheck generators' (#3331) from hsjobeki-patch-1 into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/3331

nixosModules/clanCore/vars/generator.nix

@@ -16,7 +16,7 @@ let
     ;
 
   promptToFile = name: ''
-    cat "$prompts"/${name} > "$out"/${name}
+    cat "$prompts/${name}" > "$out/${name}"
   '';
 
   promptsToFilesScript = concatMapStrings promptToFile;
@@ -25,13 +25,8 @@ let
 in
 {
   finalScript = mkOptionDefault (
-    lib.getExe (
+    pkgs.writeScript "generator-${config.name}" ''
-      pkgs.writeShellApplication {
+      set -eu -o pipefail
-        name = "generator-${config.name}";
-        text = ''
-          in="''${in:?}"
-          out="''${out:?}"
-          ${if config.prompts == { } then "" else ''prompts="''${prompts:?}"''}
 
       export PATH="${makeBinPath config.runtimeInputs}:${pkgs.coreutils}/bin"
 
@@ -58,9 +53,7 @@ in
       ''}
       ${promptsToFilesScript filePromptNames}
       ${config.script}
-        '';
+    ''
-      }
-    )
   );
 
   files = genAttrs filePromptNames (_name: { });