$ git clone -n https://gitee.com/douzhichong/unixODBC.git /var/lib/mock/dist-an23-build-480344-74246/root/chroot_tmpdir/scmroot/unixODBC
Cloning into '/var/lib/mock/dist-an23-build-480344-74246/root/chroot_tmpdir/scmroot/unixODBC'...
$ git fetch origin 9b3ac8e6a8ba3abcb8e1b0e9a8c55c01fdb95e08:KOJI_FETCH_HEAD
From https://gitee.com/douzhichong/unixODBC
 * [new ref]         9b3ac8e6a8ba3abcb8e1b0e9a8c55c01fdb95e08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b3ac8e update unixODBC.spec.