$ git clone -n https://gitee.com/src-opencloudos-rpms/tzdata.git /var/lib/mock/dist-oc9-build-212799-80763/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-oc9-build-212799-80763/root/chroot_tmpdir/scmroot/tzdata'...
$ git fetch origin 0f39de55fc69368c0eef9819e764c026213ec4a5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tzdata
 * [new ref]         0f39de55fc69368c0eef9819e764c026213ec4a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f39de5 import tzdata-2023c-5.tl4