$ git clone -n https://gitee.com/wency_cn/ncompress.git /var/lib/mock/dist-an23-build-490998-74530/root/chroot_tmpdir/scmroot/ncompress
Cloning into '/var/lib/mock/dist-an23-build-490998-74530/root/chroot_tmpdir/scmroot/ncompress'...
$ git fetch origin e7dec8d0634ecc382a26349869e59a83ca9cf9b3:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/ncompress
 * [new ref]         e7dec8d0634ecc382a26349869e59a83ca9cf9b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7dec8d Update code from upstream