$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Load-XS.git /var/lib/mock/f29-build-3534-921/root/thebuilddir/tmp/scmroot/perl-Class-Load-XS
Cloning into '/var/lib/mock/f29-build-3534-921/root/thebuilddir/tmp/scmroot/perl-Class-Load-XS'...
$ git reset --hard 242279e6f30c6545c212698e70536da6266cea89
HEAD is now at 242279e - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild