import sys

from jhbuild.commands import Command, register_command

import sysdeps

class cmd_depscheck(Command):

    name = 'depscheck'
    usage_args = ''

    def run(self, config, options, args):
        deps = sysdeps.get_packages()
        if not deps:
            print 'Dependencies information is missing, skip sanity check.'
            return

        missing_deps = []
        for package, source in deps:
            if not sysdeps.check_package(package):
                missing_deps.append(package)

        if missing_deps:
            print 'Missing packages:'
            print ' '.join(missing_deps)
            sys.exit(1)

register_command(cmd_depscheck)