$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Class-Accessor.git /var/lib/mock/dist-oc9-build-47507-14592/root/chroot_tmpdir/scmroot/perl-Class-Accessor
Cloning into '/var/lib/mock/dist-oc9-build-47507-14592/root/chroot_tmpdir/scmroot/perl-Class-Accessor'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Class-Accessor
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46bb27e import perl-Class-Accessor-0.51-3.tl4