$ git clone -n https://src.fedoraproject.org/rpms/net-tools.git /var/lib/mock/f42-build-867579-175640/root/chroot_tmpdir/scmroot/net-tools
Cloning into '/var/lib/mock/f42-build-867579-175640/root/chroot_tmpdir/scmroot/net-tools'...
$ git fetch origin 8294fce082704a20233d17d114aabf60ffc87f29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/net-tools
 * [new ref]         8294fce082704a20233d17d114aabf60ffc87f29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8294fce Rebuilt for the bin-sbin merge (2nd attempt)