$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Clone.git /var/lib/mock/dist-oc9-build-71066-47512/root/chroot_tmpdir/scmroot/perl-Clone
Cloning into '/var/lib/mock/dist-oc9-build-71066-47512/root/chroot_tmpdir/scmroot/perl-Clone'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Clone
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 102245a import perl-Clone-0.46-1.tl4