$ git clone -n https://gitee.com/ocs-bot/libidn2.git /var/lib/mock/dist-ocs23-build-172149-10529/root/chroot_tmpdir/scmroot/libidn2
Cloning into '/var/lib/mock/dist-ocs23-build-172149-10529/root/chroot_tmpdir/scmroot/libidn2'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/libidn2
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0881b07 Upgrade to version 2.3.7