$ git clone -n https://src.fedoraproject.org/rpms/ipython.git /var/lib/mock/f42-build-3357763-45030/root/chroot_tmpdir/scmroot/ipython
Cloning into '/var/lib/mock/f42-build-3357763-45030/root/chroot_tmpdir/scmroot/ipython'...
$ git fetch origin a73d531172fef151303824d8f25fcf37ae0d30c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipython
 * [new ref]         a73d531172fef151303824d8f25fcf37ae0d30c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a73d531 Update to 8.32.0 (rhbz#2343223)