$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Pod-Usage.git /var/lib/mock/dist-oc9-build-63137-16463/root/chroot_tmpdir/scmroot/perl-Pod-Usage
Cloning into '/var/lib/mock/dist-oc9-build-63137-16463/root/chroot_tmpdir/scmroot/perl-Pod-Usage'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Pod-Usage
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fc6fba import perl-Pod-Usage-2.03-5.tl4