$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Net-SMTP-SSL.git /var/lib/mock/dist-oc9-build-63670-16463/root/chroot_tmpdir/scmroot/perl-Net-SMTP-SSL
Cloning into '/var/lib/mock/dist-oc9-build-63670-16463/root/chroot_tmpdir/scmroot/perl-Net-SMTP-SSL'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Net-SMTP-SSL
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9fb150 import perl-Net-SMTP-SSL-1.04-5.tl4