$ git clone -n https://src.fedoraproject.org/rpms/perl-MRO-Compat.git /var/lib/mock/f45-build-24601-605/root/chroot_tmpdir/scmroot/perl-MRO-Compat
Cloning into '/var/lib/mock/f45-build-24601-605/root/chroot_tmpdir/scmroot/perl-MRO-Compat'...
$ git fetch origin ecd0eb3a112c72a38f25e490474bac6427f22f23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MRO-Compat
 * [new ref]         ecd0eb3a112c72a38f25e490474bac6427f22f23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecd0eb3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild