$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-environment6.git /var/lib/mock/f45-build-28271-629/root/chroot_tmpdir/scmroot/php-sebastian-environment6
Cloning into '/var/lib/mock/f45-build-28271-629/root/chroot_tmpdir/scmroot/php-sebastian-environment6'...
$ git fetch origin 13411936906eb7deb6d77d72f3ddf0527c272ae9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-environment6
 * [new ref]         13411936906eb7deb6d77d72f3ddf0527c272ae9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1341193 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild