$ git clone -n https://gitee.com/mgb01105731/erlang-rebar_2.git /var/lib/mock/dist-an23-epao-build-299819-65901/root/chroot_tmpdir/scmroot/erlang-rebar_2
Cloning into '/var/lib/mock/dist-an23-epao-build-299819-65901/root/chroot_tmpdir/scmroot/erlang-rebar_2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/erlang-rebar_2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9d0663 init upstream from version 2.6.1