$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-Email.git /var/lib/mock/f45-build-22208-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-Email
Cloning into '/var/lib/mock/f45-build-22208-590/root/chroot_tmpdir/scmroot/perl-Catalyst-Plugin-Email'...
$ git fetch origin e564bfb0961e94ee1636c4b5acdb8c141648e597:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Plugin-Email
 * [new ref]         e564bfb0961e94ee1636c4b5acdb8c141648e597 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e564bfb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild