#!/usr/bin/env python

# Check for fixable discrepancies between stable and unstable
# Copyright (C) 2000, 2001, 2002  James Troup <james@nocrew.org>
# $Id: andrea,v 1.9 2003-01-02 18:10:02 troup Exp $

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


################################################################################

import pg, sys;
import utils, db_access;
import apt_pkg;

################################################################################

Cnf = None;
projectB = None;

################################################################################

def usage(exit_code=0):
    print """Usage: andrea
Looks for fixable descrepancies between stable and unstable.

  -h, --help                show this help and exit."""
    sys.exit(exit_code)

################################################################################

def main ():
    global Cnf, projectB;

    Cnf = utils.get_conf();
    Arguments = [('h',"help","Andrea::Options::Help")];
    for i in [ "help" ]:
	if not Cnf.has_key("Andrea::Options::%s" % (i)):
	    Cnf["Andrea::Options::%s" % (i)] = "";

    apt_pkg.ParseCommandLine(Cnf, Arguments, sys.argv);

    Options = Cnf.SubTree("Andrea::Options")
    if Options["Help"]:
	usage();

    projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]));
    db_access.init(Cnf, projectB);

    src_suite = "stable";
    dst_suite = "unstable";

    src_suite_id = db_access.get_suite_id(src_suite);
    dst_suite_id = db_access.get_suite_id(dst_suite);
    arch_all_id = db_access.get_architecture_id("all");
    dsc_type_id = db_access.get_override_type_id("dsc");

    for arch in Cnf.ValueList("Suite::%s::Architectures" % (src_suite)):
        if arch == "source":
            continue;

        # Arch: all doesn't work; consider packages which go from
        # arch: all to arch: any, e.g. debconf... needs more checks
        # and thought later.

        if arch == "all":
            continue;
        arch_id = db_access.get_architecture_id(arch);
        q = projectB.query("""
SELECT b_src.package, b_src.version, a.arch_string
  FROM binaries b_src, bin_associations ba, override o, architecture a
  WHERE ba.bin = b_src.id AND ba.suite = %s AND b_src.architecture = %s
        AND a.id = b_src.architecture AND o.package = b_src.package
        AND o.suite = %s AND o.type != %s AND NOT EXISTS
    (SELECT b_dst.id FROM bin_associations ba2, binaries b_dst
       WHERE ba2.bin = b_dst.id AND b_dst.package = b_src.package
             AND (b_dst.architecture = %s OR b_dst.architecture = %s)
             AND ba2.suite = %s AND EXISTS
               (SELECT b2.id FROM bin_associations ba3, binaries b2
                  WHERE ba3.bin = b2.id AND ba3.suite = %s AND b2.package = b_dst.package))
ORDER BY b_src.package;"""
                           % (src_suite_id, arch_id, dst_suite_id, dsc_type_id, arch_id, arch_all_id, dst_suite_id, dst_suite_id));
        for i in q.getresult():
            print " ".join(i);

#######################################################################################

if __name__ == '__main__':
    main()