bug#20646: List of groups/users should be validated

l...@gnu.org (Ludovic Courtès) skribis: > Users/groups should be statically validated when the configuration is > instantiated to avoid this kind of issues. Done in 0c09a30. Ludo’.

bug#20646: List of groups/users should be validated

Dave Thompson reported that an ‘operating-system’ declaration where a user is declared with a ‘group’ that doesn’t exist leads to a failure at boot-time (‘useradd’ fails.) This is in GuixSD 0.8.2. Users/groups should be statically validated when the configuration is instantiated to avoid this kin