$ git clone -n https://src.fedoraproject.org/rpms/rpcbind.git /var/lib/mock/f41-build-851154-165857/root/chroot_tmpdir/scmroot/rpcbind
Cloning into '/var/lib/mock/f41-build-851154-165857/root/chroot_tmpdir/scmroot/rpcbind'...
$ git fetch origin 64327fdd8916af13b4d0827a416dc9aac7e4b2eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpcbind
 * [new ref]         64327fdd8916af13b4d0827a416dc9aac7e4b2eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64327fd Updated to latest upstream RC release: rpcbind-1_2_8-rc1