#!/bin/env python

# vi:set tabstop=4 shiftwidth=4 expandtab:
# Author: Caolan McNamara <caolanm@redhat.com>
# Usage: e.g. ooomapstack backtrace

# Takes an ooo-build section name and makes a single patch
# from it's contents

import sys, os

cvsbase = 'cvs -d:pserver:anonymous@anoncvs.gnome.org:/cvs/gnome checkout -p '

def extract(patchpath, patchname):
    found = False
    for entry in patchpath:
        cmd = cvsbase + entry + '/' + patchname
        file = os.popen(cmd)
        data = file.read()
        if len(data) != 0:
            sys.stdout.write(data)
            ret = file.close()
            if ret == None:
                found = True
                patchpath.remove(entry)
                patchpath.insert(0, entry)
                break;
    return found

if len(sys.argv) < 2:
    print >> sys.stderr, 'Usage: ooobuildextractsection section [tag]'
    print >> sys.stderr, 'e.g. ooobuildextractsection VBAObjects ooo-build-2-0-3'
else:
    if len(sys.argv) > 2:
        cvsbase = cvsbase + "-r" + sys.argv[2]
    cvsbase = cvsbase + " ooo-build/patches/src680/"
    file = os.popen(cvsbase + "apply")
    insection = False
    patchpath = []
    while 1:
        line = file.readline()
        if line == '':
            break
        line = line[:-1]
        if line == '':
            continue

        if line.split('=')[0] == 'PATCHPATH':
            patchs = line.split('=')[1]
            patchpath = patchs.split(':')

        if line[0] == '[' and line[len(line)-1] == ']':
            section = line[1:len(line)-1]
            section = section.strip()
            if section == sys.argv[1]:
                insection = True
            else:
                insection = False
        elif insection == True:
            if line[0] == '#':
                continue
            elif line.split()[0] == 'SectionOwner':
                continue
            patch = line.split(',')[0]
            if (extract(patchpath, patch) == False):
                print >> sys.stderr, "Failure on", patch
                sys.exit(-1);
        elif sys.argv[1] == 'VBAObjects' and (line[0:4] == 'vba-' or line[0:6] == 'sc-r1c1'):
            patch = line.split(',')[0]
            if (extract(patchpath, patch) == False):
                print >> sys.stderr, "Failure on", patch
                sys.exit(-1);
            
    file.close()