$ git clone -n https://gitee.com/alpha-wang/erlang.git /var/lib/mock/dist-an8.9-build-417639-72835/root/chroot_tmpdir/scmroot/erlang
Cloning into '/var/lib/mock/dist-an8.9-build-417639-72835/root/chroot_tmpdir/scmroot/erlang'...
$ git fetch origin 960c393fa593513b6f180f1bdb8db0b47224f95d:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/erlang
 * [new ref]         960c393fa593513b6f180f1bdb8db0b47224f95d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 960c393 update to erlang-22.0.7