Have done a CVS checkout of ngspice from
CVSROOT=

server:anonymous@cvs.fedora.redhat.com:/cvs/extras
However this doesn't include source code as far as I can see (can't find it).
It does include a script apparently for downloading the source code.
cvs-import.sh
When this script is run, it replies
ERROR: You need to download your Fedora client-side certificate
from
https://admin.fedora.redhat.com/accounts/
This requires registration as far as I can tell which says that anonymous download can't be done.
Help ?