$ git clone -n https://gitee.com/tomcruiseqi/elixir.git /var/lib/mock/dist-an23-epao-build-517726-75355/root/chroot_tmpdir/scmroot/elixir
Cloning into '/var/lib/mock/dist-an23-epao-build-517726-75355/root/chroot_tmpdir/scmroot/elixir'...
$ git fetch origin f261362f8b99a36ba4f843471386937c8e83dcc3:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/elixir
 * [new ref]         f261362f8b99a36ba4f843471386937c8e83dcc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f261362 [Upstream] Update to 1.15.7