$ git clone -n https://gitee.com/alpha-wang/elixir.git /var/lib/mock/dist-an8.9-build-417676-72835/root/chroot_tmpdir/scmroot/elixir
Cloning into '/var/lib/mock/dist-an8.9-build-417676-72835/root/chroot_tmpdir/scmroot/elixir'...
$ git fetch origin 717080a6fe41d253f4c5b0d55a960c4216d116e5:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/elixir
 * [new ref]         717080a6fe41d253f4c5b0d55a960c4216d116e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 717080a update to elixir-1.9.2-1