$ git clone -n https://src.fedoraproject.org/rpms/python-rx.git /var/lib/mock/f40-build-2708557-71509/root/chroot_tmpdir/scmroot/python-rx
Cloning into '/var/lib/mock/f40-build-2708557-71509/root/chroot_tmpdir/scmroot/python-rx'...
$ git fetch origin af7990d04c802e6978f38706d30885ff7fc2fcf5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rx
 * [new ref]         af7990d04c802e6978f38706d30885ff7fc2fcf5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af7990d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild