$ git clone -n https://src.fedoraproject.org/rpms/python-jedi.git /var/lib/mock/f40-build-2203605-51930/root/chroot_tmpdir/scmroot/python-jedi
Cloning into '/var/lib/mock/f40-build-2203605-51930/root/chroot_tmpdir/scmroot/python-jedi'...
$ git fetch origin b4296a7ee0a96a73ee9bdd6c09166bb34cf6cb13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jedi
 * [new ref]         b4296a7ee0a96a73ee9bdd6c09166bb34cf6cb13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4296a7 Update to 0.19.1 (rhbz#2241718)