$ git clone -n https://gitee.com/mgb01105731/moby_2.git /var/lib/mock/dist-an23-build-508759-75015/root/chroot_tmpdir/scmroot/moby_2
Cloning into '/var/lib/mock/dist-an23-build-508759-75015/root/chroot_tmpdir/scmroot/moby_2'...
$ git fetch origin f6463b8515763cc771681449344a05d63082d26b:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/moby_2
 * [new ref]         f6463b8515763cc771681449344a05d63082d26b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6463b8 add Epoch to fix install bug