$ git clone -n https://src.fedoraproject.org/rpms/rpcbind.git /var/lib/mock/f42-build-867479-175511/root/chroot_tmpdir/scmroot/rpcbind
Cloning into '/var/lib/mock/f42-build-867479-175511/root/chroot_tmpdir/scmroot/rpcbind'...
$ git fetch origin 38448bc8b7b4ec841c6f62e9206378cc44bdb968:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpcbind
 * [new ref]         38448bc8b7b4ec841c6f62e9206378cc44bdb968 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38448bc Rebuilt for the bin-sbin merge (2nd attempt)