$ git clone -n https://src.fedoraproject.org/rpms/perl-Email-Reply.git /var/lib/mock/f45-build-23293-596/root/chroot_tmpdir/scmroot/perl-Email-Reply
Cloning into '/var/lib/mock/f45-build-23293-596/root/chroot_tmpdir/scmroot/perl-Email-Reply'...
$ git fetch origin a3c47915dea7330502af98243e38480085268b64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Email-Reply
 * [new ref]         a3c47915dea7330502af98243e38480085268b64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3c4791 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild