Hello, Thank you for the help. I decided to package appls on their own as they are not part of Arcan itself and can be written by anyone. My plan, if I understood correctly, is to copy appls file to '%out/share/arcan/appl' as the folder already exists in Arcan package so that everything is "merged" in a single folder in the user profile. I first thought that setting a search-path in the Arcan package would then let the user deal with the rest. (Are search-paths honored automatically under GuixSD?)
But after installing Arcan, 'guix package --search-paths' doesn't output anything related to the variable I set. I don't have any hint telling me to set it myself during installation. Am I misunderstanding something about search-paths? Here is the piece of code I added to the Arcan definition: (search-paths '((search-path-specification (variable "ARCAN_APPLBASEPATH") (files '("share/arcan/appl"))))) Last question here, in a specific appl (Durden), there a little shell script which set some variables/folders and start arcan. Is it ok to put it in "%outbin"? Lprndn