$ git clone -n https://src.fedoraproject.org/rpms/iputils.git /var/lib/mock/f45-build-14230-458/root/chroot_tmpdir/scmroot/iputils
Cloning into '/var/lib/mock/f45-build-14230-458/root/chroot_tmpdir/scmroot/iputils'...
$ git fetch origin 77cde9e8aee33396878770570daf2673aa84dd62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iputils
 * [new ref]         77cde9e8aee33396878770570daf2673aa84dd62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77cde9e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild