$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Socket6.git /var/lib/mock/dist-oc9-build-52633-14601/root/chroot_tmpdir/scmroot/perl-Socket6
Cloning into '/var/lib/mock/dist-oc9-build-52633-14601/root/chroot_tmpdir/scmroot/perl-Socket6'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Socket6
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73f79cb import perl-Socket6-0.29-3.tl4