$ git clone -n https://src.fedoraproject.org/rpms/python-i3ipc.git /var/lib/mock/f45-build-31023-649/root/chroot_tmpdir/scmroot/python-i3ipc
Cloning into '/var/lib/mock/f45-build-31023-649/root/chroot_tmpdir/scmroot/python-i3ipc'...
$ git fetch origin b09f93b7443a2cba38e0d179caa3e01473137440:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-i3ipc
 * [new ref]         b09f93b7443a2cba38e0d179caa3e01473137440 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b09f93b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild