$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-comparator7.git /var/lib/mock/f42-build-3224760-41162/root/chroot_tmpdir/scmroot/php-sebastian-comparator7
Cloning into '/var/lib/mock/f42-build-3224760-41162/root/chroot_tmpdir/scmroot/php-sebastian-comparator7'...
$ git fetch origin e441f4013db3f2bd2b9d3b7f414c711dca3dc556:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-comparator7
 * [new ref]         e441f4013db3f2bd2b9d3b7f414c711dca3dc556 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e441f40 enable tests