nixos: use uniq in the type of system.build

`unspecified` will happily concatenate strings together from two unrelated modules, causing spurious errors (see NixOS#155925).
ncfavier · Jan 20, 2022 · 1147d72 · 1147d72
1 parent 8e517fc
commit 1147d72
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix
@@ -148,7 +148,7 @@ in
     system.build = mkOption {
       internal = true;
       default = {};
-      type = types.lazyAttrsOf types.unspecified;
+      type = with types; lazyAttrsOf (uniq unspecified);
       description = ''
         Attribute set of derivations used to setup the system.
       '';