$ git clone -n https://gitee.com/opencloudos-stream/icu.git /var/lib/mock/dist-ocs23-build-13834-964/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-ocs23-build-13834-964/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/icu
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da2561b !1 update 73.2 Merge pull request !1 from rockerzhu/master