$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-global-state5.git /var/lib/mock/f40-build-2141496-50851/root/chroot_tmpdir/scmroot/php-sebastian-global-state5
Cloning into '/var/lib/mock/f40-build-2141496-50851/root/chroot_tmpdir/scmroot/php-sebastian-global-state5'...
$ git fetch origin aea617618478c5bd3dfdb9a2ba8cc83ac73c9a77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-global-state5
 * [new ref]         aea617618478c5bd3dfdb9a2ba8cc83ac73c9a77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aea6176 v5.0.6