$ git clone -n https://src.fedoraproject.org/rpms/python-smmap.git /var/lib/mock/f45-build-32987-665/root/chroot_tmpdir/scmroot/python-smmap
Cloning into '/var/lib/mock/f45-build-32987-665/root/chroot_tmpdir/scmroot/python-smmap'...
$ git fetch origin 15782d4f704a4e7762f33fa353591af1acbace3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-smmap
 * [new ref]         15782d4f704a4e7762f33fa353591af1acbace3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15782d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild