Add command changelog

    for filename in args.file:

        img.cat(filename)

def c_changelog(parser, args):

    '''

    Display image's changelog

    '''

    # looks if arguments is a file or image name

    repoman = load_repositories(args)

    img, repo = select_image(args.image, repoman, args.best)

    img.changelog.show(int(img.version), args.verbose)

def c_check(parser, args):

    '''

    Check for unreferenced and missing files inside a repository

                   help="file inside image to cat (globbing allowed)")

p_cat.set_defaults(func=c_cat)

# changelog command parser

p_changelog = subparsers.add_parser("changelog", help=c_changelog.__doc__.lower())

p_changelog.add_argument("-b", "--best", action="store_true", default=False,

                         help="in best mode, image is the most recent in all repositories")

p_changelog.add_argument("-v", action="store_true", dest="verbose", default=False,

                         help="display changelog for all versions")

p_changelog.add_argument("image", help="<path|[repository/]image[:version]>")

p_changelog.set_defaults(func=c_changelog)

# check command parser

p_check = subparsers.add_parser("check", help=c_check.__doc__.lower())

p_check.add_argument("repository", nargs="+", help="repositories to check")

            img_changelog = self._tarball.get_str("changelog")

            desc["changelog"] = Changelog(img_changelog)

        except KeyError:

            pass

            desc["changelog"] = Changelog("")

        except Exception as e:

            warn("Invalid changelog: %s" % e)

        return desc