$ git clone -n https://gitee.com/wenyuzifang/ncompress.git /var/lib/mock/dist-an23-build-470065-74061/root/chroot_tmpdir/scmroot/ncompress
Cloning into '/var/lib/mock/dist-an23-build-470065-74061/root/chroot_tmpdir/scmroot/ncompress'...
$ git fetch origin 47c35bbf78569968b105faa65e3d6c16203d6198:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ncompress
 * [new ref]         47c35bbf78569968b105faa65e3d6c16203d6198 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47c35bb Update code from upstream