$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-object-reflector2.git /var/lib/mock/f45-build-28301-629/root/chroot_tmpdir/scmroot/php-sebastian-object-reflector2
Cloning into '/var/lib/mock/f45-build-28301-629/root/chroot_tmpdir/scmroot/php-sebastian-object-reflector2'...
$ git fetch origin d3e78ad7a6b1be4894fd861007e83474118c7807:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-object-reflector2
 * [new ref]         d3e78ad7a6b1be4894fd861007e83474118c7807 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3e78ad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild