lib: Add optionalDrvAttr to conditionally set drv attributes.

This allows for adding new, conditionally set, derivation attributes
to an existing derivation without changing any output paths in the
case where the condition is not met.

1 files changed, 1 insertions, 0 deletions

diff --git a/doc/default.nix b/doc/default.nix
index 26aae9efa573..bcbc20b9f983 100644
--- a/doc/default.nix
+++ b/doc/default.nix
@@ -25,6 +25,7 @@ let
       { name = "gvariant"; description = "GVariant formatted string serialization functions"; }
       { name = "customisation"; description = "Functions to customise (derivation-related) functions, derivatons, or attribute sets"; }
       { name = "meta"; description = "functions for derivation metadata"; }
+      { name = "derivations"; description = "miscellaneous derivation-specific functions"; }
     ];
   };