$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Socket.git /var/lib/mock/dist-oc9-build-43838-14591/root/chroot_tmpdir/scmroot/perl-Socket
Cloning into '/var/lib/mock/dist-oc9-build-43838-14591/root/chroot_tmpdir/scmroot/perl-Socket'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Socket
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b147a3d import perl-Socket-2.035-3.tl4