$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-BSD-Resource.git /var/lib/mock/dist-oc9-build-47503-14592/root/chroot_tmpdir/scmroot/perl-BSD-Resource
Cloning into '/var/lib/mock/dist-oc9-build-47503-14592/root/chroot_tmpdir/scmroot/perl-BSD-Resource'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-BSD-Resource
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc68ef9 import perl-BSD-Resource-1.291.100-2.tl4