$ git clone -n https://src.fedoraproject.org/rpms/perl-Socket.git /var/lib/mock/f29-build-1539-550/root/thebuilddir/tmp/scmroot/perl-Socket
Cloning into '/var/lib/mock/f29-build-1539-550/root/thebuilddir/tmp/scmroot/perl-Socket'...
$ git reset --hard 20b784e3737e5842c973bd31f1735b67e77b050f
HEAD is now at 20b784e - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild