$ git clone -n https://gitee.com/fundawang/icu.git /var/lib/mock/dist-an8.8-build-286785-64855/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-an8.8-build-286785-64855/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin 722d130e12274c961691266596d1568388687b7d:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/icu
 * [new ref]         722d130e12274c961691266596d1568388687b7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 722d130 Add patch supporting gb18030-2022