$ git clone -n https://gitee.com/src-opencloudos-rpms/perltidy.git /var/lib/mock/dist-oc9-build-71391-47553/root/chroot_tmpdir/scmroot/perltidy
Cloning into '/var/lib/mock/dist-oc9-build-71391-47553/root/chroot_tmpdir/scmroot/perltidy'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perltidy
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24b8bc6 import perltidy-20220613-4.tl4