$ git clone -n https://gitee.com/opencloudos-stream/libev /var/lib/mock/dist-ocs23-build-110289-7000/root/chroot_tmpdir/scmroot/libev
Cloning into '/var/lib/mock/dist-ocs23-build-110289-7000/root/chroot_tmpdir/scmroot/libev'...
$ git fetch origin 44b91002380cb4f0e117b86a99e858b45b4d25da:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libev
 * [new ref]         44b91002380cb4f0e117b86a99e858b45b4d25da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44b9100 OCS package init