$ git clone -n https://gitee.com/src-opencloudos-rpms/tzdata.git /var/lib/mock/dist-oc9-build-45337-14591/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-oc9-build-45337-14591/root/chroot_tmpdir/scmroot/tzdata'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tzdata
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58e4027 import tzdata-2022g-3.tl4