[Horizon] List of system accounts

Hi all, How should Horizon determine if a user account is in the list of system accounts? I'm thinking a hard-coded list from adelie-base would be sufficient, and note somewhere that if we modify adelie-base we need to modify Horizon as well. It can't probe the running OS for a few reasons: * Validation is run before execution, so there *is* no running OS yet if this is being installed. * If someone runs validation on another system, say a Mac or a Debian system, even if we check for uid < 500 or 1000, those systems have accounts we don't. If there are alternatives I haven't thought of, please let me know. I'd be amenable to having a file included in the source tree so it isn't hard-coded in *source*, just in a text file, but at this point it seems like six of one and half a dozen of the other. (as in: two solutions but same end result - the Horizon Git tree has to be updated with every adelie-base modification.) Best, --arw -- A. Wilcox (awilfox) Project Lead, Adélie Linux https://www.adelielinux.org