diff --git a/pkgs/development/lisp-modules/clwrapper/setup-hook.sh b/pkgs/development/lisp-modules/clwrapper/setup-hook.sh index b48f916ac7a..bc5a6b34866 100644 --- a/pkgs/development/lisp-modules/clwrapper/setup-hook.sh +++ b/pkgs/development/lisp-modules/clwrapper/setup-hook.sh @@ -1,6 +1,6 @@ NIX_LISP_ASDF="@asdf@" -CL_SOURCE_REGISTRY="@asdf@/lib/common-lisp/asdf/:@asdf@/lib/common-lisp/asdf/uiop/" +CL_SOURCE_REGISTRY="${CL_SOURCE_REGISTRY:+$CL_SOURCE_REGISTRY:}@asdf@/lib/common-lisp/asdf/:@asdf@/lib/common-lisp/asdf/uiop/" addASDFPaths () { for j in "$1"/lib/common-lisp/*; do