$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-type4.git /var/lib/mock/f40-build-2213142-52311/root/chroot_tmpdir/scmroot/php-sebastian-type4
Cloning into '/var/lib/mock/f40-build-2213142-52311/root/chroot_tmpdir/scmroot/php-sebastian-type4'...
$ git fetch origin 7ac96085ca43028ec90c7a29b1c0a013a766e9e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-type4
 * [new ref]         7ac96085ca43028ec90c7a29b1c0a013a766e9e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ac9608 enable test suite