Add check command

    for filename in args.file:

        img.cat(filename)

def c_check(parser, args):

    '''

    Check for unreferenced and missing files inside a repository

    '''

    repoman = load_repositories(args)

    for reponame in args.repository:

        repoman[reponame].check()

def c_clean(parser, args):

    '''

    Clean a repository

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

p_cat.set_defaults(func=c_cat)

# check command parser

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

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

p_check.set_defaults(func=c_check)

# clean command parser

p_clean = subparsers.add_parser("clean", help=c_clean.__doc__.lower())

p_clean.add_argument("repository", nargs="+", help="repositories to clean")

        res = self.db.ask("SELECT md5 FROM image UNION SELECT md5 FROM payload").fetchall()

        return [ md5[0] for md5 in res ]

    def check(self):

        '''

        Check repository for unreferenced and missing files

        '''

        # Check if the repo is local

        if not istools.isfile(self.config.path):

            raise Exception("Repository must be local")

        local_files = set(os.listdir(self.config.path))

        db_files = set(self.getallmd5())

        db_files.add(self.config.dbname)

        db_files.add( self.config.lastname)

        # compute missing and unref files list

        missing_files = db_files - local_files

        unref_files = local_files - db_files

        if len(missing_files) > 0:

            arrow("Missing files:")

            out(os.linesep.join(missing_files))

        if len(unref_files) > 0:

            arrow("Unreferenced files:")

            out(os.linesep.join(unref_files))

    def clean(self):

        '''

        Clean the repository's content