$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-object-reflector.git /var/lib/mock/f40-build-2632210-65849/root/chroot_tmpdir/scmroot/php-sebastian-object-reflector
Cloning into '/var/lib/mock/f40-build-2632210-65849/root/chroot_tmpdir/scmroot/php-sebastian-object-reflector'...
$ git fetch origin 7d284a5dd8cee7eebde5b8083be9b9ebec2a33e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-object-reflector
 * [new ref]         7d284a5dd8cee7eebde5b8083be9b9ebec2a33e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d284a5 update to 1.1.3 (no change)