$ git clone -n https://src.fedoraproject.org/rpms/perl-Role-HasMessage.git /var/lib/mock/f45-build-26014-614/root/chroot_tmpdir/scmroot/perl-Role-HasMessage
Cloning into '/var/lib/mock/f45-build-26014-614/root/chroot_tmpdir/scmroot/perl-Role-HasMessage'...
$ git fetch origin 4fbda32bdb0516a196883d89f201c0fc9f528702:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Role-HasMessage
 * [new ref]         4fbda32bdb0516a196883d89f201c0fc9f528702 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fbda32 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild