$ git clone -n https://gitee.com/gordonwwang/tzdata.git /var/lib/mock/dist-ocs23-build-9454-273/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-ocs23-build-9454-273/root/chroot_tmpdir/scmroot/tzdata'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/gordonwwang/tzdata
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4d0931 Upgrade to 2023c