treewide: add defaultText for options with simple interpolation defaults

adds defaultText for all options that use `cfg.*` values in their
defaults, but only for interpolations with no extra processing (other
than toString where necessary)

1 files changed, 3 insertions, 1 deletions

diff --git a/nixos/modules/services/continuous-integration/buildbot/worker.nix b/nixos/modules/services/continuous-integration/buildbot/worker.nix
index dd4f4a4a74a..1d7f53bb655 100644
--- a/nixos/modules/services/continuous-integration/buildbot/worker.nix
+++ b/nixos/modules/services/continuous-integration/buildbot/worker.nix
@@ -1,11 +1,12 @@
 # NixOS module for Buildbot Worker.
 
-{ config, lib, pkgs, ... }:
+{ config, lib, options, pkgs, ... }:
 
 with lib;
 
 let
   cfg = config.services.buildbot-worker;
+  opt = options.services.buildbot-worker;
 
   python = cfg.package.pythonModule;
 
@@ -77,6 +78,7 @@ in {
 
       buildbotDir = mkOption {
         default = "${cfg.home}/worker";
+        defaultText = literalExpression ''"''${config.${opt.home}}/worker"'';
         type = types.path;
         description = "Specifies the Buildbot directory.";
       };