$ git clone -n https://src.fedoraproject.org/rpms/php-doctrine-event-manager.git /var/lib/mock/f45-build-27866-626/root/chroot_tmpdir/scmroot/php-doctrine-event-manager
Cloning into '/var/lib/mock/f45-build-27866-626/root/chroot_tmpdir/scmroot/php-doctrine-event-manager'...
$ git fetch origin 9e6db7e84455316b26bc234f9c2999ab241249a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-doctrine-event-manager
 * [new ref]         9e6db7e84455316b26bc234f9c2999ab241249a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e6db7e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild