$ git clone -n https://gitee.com/src-opencloudos-rpms/tzdata.git /var/lib/mock/dist-oc9-build-231241-81574/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-oc9-build-231241-81574/root/chroot_tmpdir/scmroot/tzdata'...
$ git fetch origin caba19a3f383258f9db2d876568874b4701097bc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tzdata
 * [new ref]         caba19a3f383258f9db2d876568874b4701097bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caba19a import tzdata-2023c-6.tl4