$ git clone -n https://gitee.com/src-opencloudos-rpms/tzdata.git /var/lib/mock/dist-oc8-build-241150-82806/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-oc8-build-241150-82806/root/chroot_tmpdir/scmroot/tzdata'...
$ git fetch origin 7b2881878faaec0bcd08eaf0c350f81add2b4a9e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tzdata
 * [new ref]         7b2881878faaec0bcd08eaf0c350f81add2b4a9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b28818 import tzdata-2026b-1.tl3.ap.1