$ git clone -n https://gitee.com/wency_cn/libslirp.git /var/lib/mock/dist-an23-build-492595-74553/root/chroot_tmpdir/scmroot/libslirp
Cloning into '/var/lib/mock/dist-an23-build-492595-74553/root/chroot_tmpdir/scmroot/libslirp'...
$ git fetch origin 8a4cac7bff91d6b7be9df7dad92ff95699afde5e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libslirp
 * [new ref]         8a4cac7bff91d6b7be9df7dad92ff95699afde5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a4cac7 Update code from upstream