better check before move image

    '''

    repoman = load_repositories(args)

    dstrepo = repoman[args.repository]

    for srcimg, srcrepo in get_images(args.pattern, repoman, local=False):

    todo = list(get_images(args.pattern, repoman, local=False, min=1))

    # check all source repository are local (need by deletion)

    for img, repo in todo:

        if not repo.local:

            raise Exception("Repository %s is not local. Unable to move" %

                            repo.config.name)

    # check user really want to this

    if not args.force:

            out("You will move %s v%s from %s to %s" % (srcimg.name,

                                                        srcimg.version,

                                                        srcrepo.config.name,

                                                        dstrepo.config.name))

        out("You will copy and remove the following images:")

        for img, repo in todo:

            out("  %s/%s:%s" % (repo.config.name, img.name, img.version))

        out("Inside repository: #l##b#%s#R#" % dstrepo.config.name)

        if not confirm():

            raise Exception("Aborted!")

        arrow("Moving %s v%s from repository %s to %s" % (srcimg.name,

                                                          srcimg.version,

                                                          srcrepo.config.name,

                                                          dstrepo.config.name))

    # move it for real

    for srcimg, srcrepo in todo:

        arrow("Moving %s v%s from repository %s to %s" %

              (srcimg.name, srcimg.version,

               srcrepo.config.name, dstrepo.config.name))

        arrowlevel(1)

        dstrepo.add(srcimg)

        srcrepo.delete(srcimg.name, srcimg.version)