$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx.git /var/lib/mock/f39-build-1499049-34742/root/chroot_tmpdir/scmroot/python-sphinx
Cloning into '/var/lib/mock/f39-build-1499049-34742/root/chroot_tmpdir/scmroot/python-sphinx'...
$ git fetch origin cd973c604ca0036bc0822dcfd8aaa37e23cce9e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx
 * [new ref]         cd973c604ca0036bc0822dcfd8aaa37e23cce9e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd973c6 Don't use filelock to test this package on RHEL