$ git clone -n https://gitee.com/src-opencloudos-rpms/iso-codes.git /var/lib/mock/dist-oc9-build-127732-76969/root/chroot_tmpdir/scmroot/iso-codes
Cloning into '/var/lib/mock/dist-oc9-build-127732-76969/root/chroot_tmpdir/scmroot/iso-codes'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/iso-codes
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e2d90d import iso-codes-4.15.0-4.tl4