$ git clone -n https://gitee.com/fundawang/xfwm4.git /var/lib/mock/dist-an23-build-312652-67129/root/chroot_tmpdir/scmroot/xfwm4
Cloning into '/var/lib/mock/dist-an23-build-312652-67129/root/chroot_tmpdir/scmroot/xfwm4'...
$ git fetch origin 4df1e10ac477ba079b00b9aeba581c29c61bcd57:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/xfwm4
 * [new ref]         4df1e10ac477ba079b00b9aeba581c29c61bcd57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4df1e10 4.18.0