$ git clone -n https://gitee.com/wency_cn/libical.git /var/lib/mock/dist-an23-build-502472-74802/root/chroot_tmpdir/scmroot/libical
Cloning into '/var/lib/mock/dist-an23-build-502472-74802/root/chroot_tmpdir/scmroot/libical'...
$ git fetch origin 96049c9a969deaf9f0a8db1ee7c54261f0529843:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libical
 * [new ref]         96049c9a969deaf9f0a8db1ee7c54261f0529843 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96049c9 Update code from upstream