$ git clone -n https://gitee.com/happy_orange/erlang.git /var/lib/mock/dist-an23-build-273327-64186/root/chroot_tmpdir/scmroot/erlang
Cloning into '/var/lib/mock/dist-an23-build-273327-64186/root/chroot_tmpdir/scmroot/erlang'...
$ git fetch origin b2030cc5a4b9afba3e3698a6e5b0fd6bebb050e5:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/erlang
 * [new ref]         b2030cc5a4b9afba3e3698a6e5b0fd6bebb050e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2030cc init package