$ git clone -n https://gitee.com/src-opencloudos-rpms/libIDL.git /var/lib/mock/dist-oc9-build-59673-16463/root/chroot_tmpdir/scmroot/libIDL
Cloning into '/var/lib/mock/dist-oc9-build-59673-16463/root/chroot_tmpdir/scmroot/libIDL'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libIDL
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecb0bd9 import libIDL-0.8.14-4.tl4