$ git clone -n https://src.fedoraproject.org/rpms/ipython.git /var/lib/mock/f41-build-side-1-2805954-32866/root/chroot_tmpdir/scmroot/ipython
Cloning into '/var/lib/mock/f41-build-side-1-2805954-32866/root/chroot_tmpdir/scmroot/ipython'...
$ git fetch origin 9d1e9bafcc38a880eb3d4d288edc518436a0756f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipython
 * [new ref]         9d1e9bafcc38a880eb3d4d288edc518436a0756f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d1e9ba Update to 8.27.0 (rhbz#2309075)