#!/usr/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-

#
#  Nautilus
#
#  Copyright (C) 2000, 2001 Eazel, Inc.
#
#  This library 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 library 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 library; if not, write to the Free Software
#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#  Author: Maciej Stachowiak <mjs@eazel.com>
#

# check-THANKS.pl: Checks for users mentioned in one of the ChangeLogs
# but not in THANKS or AUTHORS; ensure that THANKS and AUTHORS do not
# overlap.

use diagnostics;
use strict;

# Map from alternate names of some users to canonical versions

my %name_map =
  (
   "Darin as Andy" => "Darin Adler",
   "Eskil Olsen" => "Eskil Heyn Olsen",
   "J. Shane Culpepper" => "J Shane Culpepper",
   "Michael Engber" => "Mike Engber",
   "Michael K. Fleming" => "Mike Fleming",
   "Pavel Císler" => "Pavel Cisler",
   "Pavel" => "Pavel Cisler",
   "Rebecka Schulman" => "Rebecca Schulman",
   "Robin Slomkowski" => "Robin * Slomkowski",
   "Shane Culpepper" => "J Shane Culpepper",
   "Szabolcs BAN" => "Szabolcs Ban",
   "Takuo KITAME" => "Takuo Kitame",
   "arik devens" => "Arik Devens",
  );

# Map from alternate email addresses of some users to canonical versions

my %email_map =
  (
   'almer1@dds.nl' => 'almer@gnome.org',
   'arik@gnome.org' => 'arik@eazel.com',
   'at@ue-spacy.com' => 'tagoh@gnome.gr.jp',
   'baulig@suse.de' => 'martin@home-of-linux.org',
   'carlos@gnome-db.org' => 'carlos@hispalinux.es',
   'chief_wanker@eazel.com' => 'eskil@eazel.com',
   'hp@pobox.com' => 'hp@redhat.com',
   'josh@eazel.com' => 'josh@whitecape.org',
   'jrb@webwynk.net' => 'jrb@redhat.com',
   'kabalak@gmx.net' => 'kabalak@kabalak.net',
   'kabalak@gtranslator.org' => 'kabalak@kabalak.net',
   'kmaraas@gnu.org' => 'kmaraas@gnome.org',
   'kmaraas@online.no' => 'kmaraas@gnome.org',
   'linux@chrisime.de' => 'chrisime@gnome.org',
   'linuxfan@ionet..net' => 'josh@whitecape.org',
   'linuxfan@ionet.net' => 'josh@whitecape.org',
   'mathieu@gnome.org' => 'mathieu@eazel.com',
   'mathieu@gnu.org' => 'mathieu@eazel.com',
   'mawa@iname.com' => 'mawarkus@gnome.org',
   'raph@gimp.org' => 'raph@acm.org',
   'rslomkow@rslomkow.org' => 'rslomkow@eazel.com',
   'snickell@stanford.edu' => 'seth@eazel.com',
   'sopwith@eazel.com' => 'sopwith@redhat.com',
   'yakk@yakk.net' => 'ian@eazel.com',
   'yakk@yakk.net.au' => 'ian@eazel.com',
  );


# Some ChangeLog lines that carry no credit (incorrect changes that
# had to be reverted, changes done for someone else, etc.)

my %no_credit =
  (
   '2000-09-08  Daniel Egger  <egger@suse.de>' => 1,
   '2000-09-06  Daniel Egger  <egger@suse.de>' => 1,
   '2001-04-25  Changwoo Ryu  <cwryu@debian.org>' => 1,
  );


open CHANGELOGS, "cat `find . -name intl -prune -or -name 'ChangeLog*' -and \! -name '*~' -print`|" or die;

my @lines;
while (<CHANGELOGS>)
  {
    chomp;
    
    if (/@/)
      {
        next if $no_credit{$_};

        if (/^\d\d\d\d-\d\d-\d\d/)
          {
            # Normal style ChangeLog comment 
            s/^\d\d\d\d-\d\d-\d\d[ \t]*//;
          }
        elsif (/^(Mon|Tue|Wed|Thu|Fri|Sat|Sun).*\d\d\d\d/)
          {
            # Old style ChangeLog comment 
            s/^.*20\d\d\s*//;
          }
        else
          {
            # FIXME bugzilla.eazel.com 3452: we should also try to extract
            # names & addresses from entry body text.
            next; # ignore unknown lines for now
          }
        
        my $name = $_;
        
        $name =~ s/[ \t]*<.*[\n\r]*$//;
        
        $name = $name_map{$name} if $name_map{$name};
        
        my $email = $_;
        
        $email =~ s/^.*<//;
        $email =~ s/>.*$//;
        $email =~ s/[ \t\n\r]*$//;
	$email =~ s/helixcode/ximian/;
        
        $email = $email_map{$email} if $email_map{$email};

        push @lines, "${name}  <${email}>";
    }
}

close CHANGELOGS;

my @changelog_people;
my $last_line = "";
foreach my $line (sort @lines)
  {
    push @changelog_people, $line unless $line eq $last_line;
    $last_line = $line;
  }

open AUTHORS, "AUTHORS" or die;

my @authors;

while (<AUTHORS>) {
    chomp;
    push @authors, $_;
}

close AUTHORS;

open THANKS, "THANKS" or die;

my @thanks_people;

while (<THANKS>) {
    chomp;
    s/ - .*$//;
    push @thanks_people, $_;
}

close THANKS;

my $found_about_authors = 0;
my @about_authors;

if (open ABOUT, "src/nautilus-window-menus.c")
  {
    while (<ABOUT>)
      {
        if (/const char \*authors/)
          {
            $found_about_authors = 1;
            last;
          }
      }
    
    if ($found_about_authors)
      {
        while (<ABOUT>)
          {
            last unless /^\s+\"(.*)\",\s*\n/;
            push @about_authors, $1;
          }
      }
    
    close ABOUT;
}

my @uncredited;
foreach my $person (@changelog_people)
  {
    if (! (grep {$_ eq $person} @thanks_people) &&
        ! (grep {$_ eq $person} @authors))
      {
        push @uncredited, $person;
      }
  }

my @double_credited;
foreach my $person (@authors)
  {
    if (grep {$_ eq $person} @thanks_people)
      {
        push @double_credited, $person;
      }
  }

my @author_names;
foreach my $person (@authors)
  {
    $person =~ s/\s*<.*//;
    push @author_names, $person;
  }

my @not_in_about;
foreach my $person (@author_names)
  {
    push @not_in_about, $person unless grep {$_ eq $person} @about_authors;
  }

my @only_in_about;
foreach my $person (@about_authors)
  {
    push @only_in_about, $person unless grep {$_ eq $person} @author_names;
  }

my $printed = 0;

if (@uncredited)
  {
    print "\nThe following people are in the ChangeLog but not credited in THANKS or AUTHORS:\n\n";
    
    foreach my $person (@uncredited)
      {
        print "${person}\n";
      }
    
    $printed = 1;
  }

if (@double_credited)
  {
    print "\nThe following people are listed in both THANKS and AUTHORS:\n\n";
    
    foreach my $person (@double_credited)
      {
        print "${person}\n";
      }
    
    $printed = 1;
  } else {

    if (!$found_about_authors)
      {
        print "\nDidn't find authors section in nautilus-window-menus.c\n";
        $printed = 1;
      }
      
    if (@not_in_about)
      {
        print "\nThe following people are in AUTHORS but not the about screen:\n\n";
        
        foreach my $person (@not_in_about)
          {
            print "${person}\n";
          }
        
        $printed = 1;
      }

    if (@only_in_about)
      {
        print "\nThe following people are in the about screen but not AUTHORS:\n\n";
        
        foreach my $person (@only_in_about)
          {
            print "${person}\n";
          }
        
        $printed = 1;
      }
  }


print "\n" if $printed;