$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Role-XMLRPC-Client.git /var/lib/mock/f45-build-25123-609/root/chroot_tmpdir/scmroot/perl-MooseX-Role-XMLRPC-Client
Cloning into '/var/lib/mock/f45-build-25123-609/root/chroot_tmpdir/scmroot/perl-MooseX-Role-XMLRPC-Client'...
$ git fetch origin 6849a55a07f0dd357d5e04a9de148e797de74de4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Role-XMLRPC-Client
 * [new ref]         6849a55a07f0dd357d5e04a9de148e797de74de4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6849a55 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild