$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-comparator3.git /var/lib/mock/f45-build-28266-629/root/chroot_tmpdir/scmroot/php-sebastian-comparator3
Cloning into '/var/lib/mock/f45-build-28266-629/root/chroot_tmpdir/scmroot/php-sebastian-comparator3'...
$ git fetch origin 4d4167aed531883e4821605b20b90b947c06cf34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-comparator3
 * [new ref]         4d4167aed531883e4821605b20b90b947c06cf34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d4167a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild