$ git clone -n https://gitee.com/opencloudos-stream/libidn2.git /var/lib/mock/dist-ocs23-build-25369-1191/root/chroot_tmpdir/scmroot/libidn2
Cloning into '/var/lib/mock/dist-ocs23-build-25369-1191/root/chroot_tmpdir/scmroot/libidn2'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libidn2
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83bba1f !1 update to 2.3.4 Merge pull request !1 from abushwang/master