$ git clone -n https://src.fedoraproject.org/rpms/python-pandas.git /var/lib/mock/f40-build-1646787-24180/root/chroot_tmpdir/scmroot/python-pandas
Cloning into '/var/lib/mock/f40-build-1646787-24180/root/chroot_tmpdir/scmroot/python-pandas'...
$ git fetch origin aaeecde44a501e64a303d2f4e3bfa82a2c937c89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pandas
 * [new ref]         aaeecde44a501e64a303d2f4e3bfa82a2c937c89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaeecde Update to 2.2.1