$ git clone -n https://github.com/scarlettgo/erlang-lfe.git /var/lib/mock/f42-build-3463039-45610/root/chroot_tmpdir/scmroot/erlang-lfe
Cloning into '/var/lib/mock/f42-build-3463039-45610/root/chroot_tmpdir/scmroot/erlang-lfe'...
$ git fetch origin e587a58e1e3825617763f18011b6e326e89499a8:KOJI_FETCH_HEAD
From https://github.com/scarlettgo/erlang-lfe
 * [new ref]         e587a58e1e3825617763f18011b6e326e89499a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e587a58 Add -e rvrebuild0 to Release