$ git clone -n https://gitee.com/src-opencloudos-rpms/icu.git /var/lib/mock/dist-oc9-build-70075-47384/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-oc9-build-70075-47384/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/icu
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c5e041 import icu-73.2-4.tl4