$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rodaine-table.git /var/lib/mock/f38-build-side-42-init-devel-1407281-31296/root/chroot_tmpdir/scmroot/golang-github-rodaine-table
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1407281-31296/root/chroot_tmpdir/scmroot/golang-github-rodaine-table'...
$ git fetch origin 614c33d58ef1298d3dddfb0fe42440e05816a0d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rodaine-table
 * [new ref]         614c33d58ef1298d3dddfb0fe42440e05816a0d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 614c33d Initial package - Closes rhbz#2242168