$ git clone -n https://gitee.com/kanghou-silver/icu.git /var/lib/mock/dist-an8.7-build-274288-64202/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-an8.7-build-274288-64202/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin 7b4bad4ae46d662e5f0a2908084d30f0455611a3:KOJI_FETCH_HEAD
From https://gitee.com/kanghou-silver/icu
 * [new ref]         7b4bad4ae46d662e5f0a2908084d30f0455611a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b4bad4 sw-20230613