$ git clone -n https://src.fedoraproject.org/rpms/python-humanize.git /var/lib/mock/f45-build-31036-649/root/chroot_tmpdir/scmroot/python-humanize
Cloning into '/var/lib/mock/f45-build-31036-649/root/chroot_tmpdir/scmroot/python-humanize'...
$ git fetch origin 7fb46b9de89b4006e5b271990a4543275a1b9905:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-humanize
 * [new ref]         7fb46b9de89b4006e5b271990a4543275a1b9905 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fb46b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild