$ git clone -n https://src.fedoraproject.org/rpms/poezio.git /var/lib/mock/f40-build-2023824-46938/root/chroot_tmpdir/scmroot/poezio
Cloning into '/var/lib/mock/f40-build-2023824-46938/root/chroot_tmpdir/scmroot/poezio'...
$ git fetch origin 9419c663aa930f440ea634fbc24aed114090ba5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/poezio
 * [new ref]         9419c663aa930f440ea634fbc24aed114090ba5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9419c66 Add sphinx readthedocs theme as BuildRequires