$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-HTTP-Date.git /var/lib/mock/dist-oc9-build-62323-16463/root/chroot_tmpdir/scmroot/perl-HTTP-Date
Cloning into '/var/lib/mock/dist-oc9-build-62323-16463/root/chroot_tmpdir/scmroot/perl-HTTP-Date'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-HTTP-Date
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33772ae import perl-HTTP-Date-6.06-2.tl4