$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-exporter6.git /var/lib/mock/f42-build-3224730-41162/root/chroot_tmpdir/scmroot/php-sebastian-exporter6
Cloning into '/var/lib/mock/f42-build-3224730-41162/root/chroot_tmpdir/scmroot/php-sebastian-exporter6'...
$ git fetch origin 66adf3555d907bd18bd06076f5fa3a00abea671c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-exporter6
 * [new ref]         66adf3555d907bd18bd06076f5fa3a00abea671c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66adf35 enable test suite