$ git clone -n https://src.fedoraproject.org/rpms/python-pulp.git /var/lib/mock/f38-build-side-42-init-devel-913444-28703/root/chroot_tmpdir/scmroot/python-pulp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-913444-28703/root/chroot_tmpdir/scmroot/python-pulp'...
$ git fetch origin e8bec137f7f4972b4d302846be2721d8986438ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pulp
 * [new ref]         e8bec137f7f4972b4d302846be2721d8986438ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8bec13 Update to 2.7.0 (RHBZ#2139847)