2 # Convert Sources.gz files into Sleepycat db files for efficient usage of
7 # Copyright (C) 2006 Jeroen van Wolffelaar <jeroen@wolffelaar.nl>
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 my $what = $ARGV[0] ? "non-free" : "*";
28 # max. distinct results for a given package postfix
29 my $MAX_SOURCE_POSTFIXES = 100;
33 use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES );
34 &Packages::Config::init( './' );
35 my %sources_small = ();
36 my %source_names = ();
37 my %source_postfixes = ();
41 -d $DBDIR || mkpath( $DBDIR );
43 for my $archive (@ARCHIVES) {
44 for my $suite (@SUITES) {
46 print "Reading $archive/$suite...\n";
47 my %source_names_suite = ();
49 tie %sources_all_db, "DB_File", "$DBDIR/sources_all_$suite.db.new",
50 O_RDWR|O_CREAT, 0666, $DB_BTREE
51 or die "Error creating DB: $!";
52 if (!-d "$TOPDIR/archive/$archive/$suite/") {
53 print "\tseems not to exist, skipping...\n";
56 open PKG, "zcat $TOPDIR/archive/$archive/$suite/$what/source/Sources.gz|";
63 while (/^(\S+):\s*(.*)\s*$/mg) {
64 my ($key, $value) = ($1, $2);
65 $value =~ s/\377/\n /g;
66 $key =~ tr [A-Z] [a-z];
69 $source_names{$data{'package'}} = 1;
70 $source_names_suite{$data{'package'}} = 1;
71 delete $data{'binary'};
73 $data{files} =~ s/\s*\n\s*/\01/sog;
74 $data{files} =~ s/^\01//sg;
77 my $subsection = $data{section} || '-';
78 if ($data{section} && ($data{section} =~ m=/=o)) {
79 ($section, $subsection) = split m=/=o, $data{section}, 2;
81 $data{'section'} = $section;
82 $data{'subsection'} = $subsection;
83 $data{'priority'} ||= "-";
84 $sources_small{$data{'package'}} .=
85 "$archive $suite $section $subsection $data{'priority'} $data{'version'}\000";
87 while (my ($key, $value) = each (%data)) {
88 next if $key eq 'package' or $key eq 'archive' or $key eq 'suite';
89 print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
90 $data .= "$key\00$value\00";
93 $sources_all_db{"$archive $suite $data{'package'}"}
96 open NAMES, '>>', "$DBDIR/source_names_$suite.txt.new"
97 or die "Error creating source names list: $!";
98 foreach (sort keys %source_names_suite) {
103 untie %sources_all_db;
107 print "Writing databases...\n";
108 my %sources_small_db;
109 tie %sources_small_db, "DB_File", "$DBDIR/sources_small.db.new",
110 O_RDWR|O_CREAT, 0666, $DB_BTREE
111 or die "Error creating DB: $!";
112 while (my ($k, $v) = each(%sources_small)) {
114 $sources_small_db{$k} = $v;
116 untie %sources_small_db;
118 # package names stuff:
119 for my $pkg (keys %source_names) {
120 for (my $i=0;$i<length($pkg)-1;$i++) {
121 my $before = substr($pkg, 0, $i);
122 my $after = substr($pkg, $i);
123 $before = "^" if $before eq ""; # otherwise split doesn't work properly
124 $source_postfixes{$after} .= "$before\0";
127 my %source_postfixes_db;
128 tie %source_postfixes_db, "DB_File", "$DBDIR/source_postfixes.db.new",
129 O_RDWR|O_CREAT, 0666, $DB_BTREE
130 or die "Error creating DB: $!";
131 while (my ($k, $v) = each(%source_postfixes)) {
135 $nr = length($nr) + 1; # < number of hits
136 if ($nr > $MAX_SOURCE_POSTFIXES) {
139 $source_postfixes_db{$k} = $v;
141 untie %source_postfixes_db;
143 for my $suite (@SUITES) {
144 rename("$DBDIR/sources_all_$suite.db.new", "$DBDIR/sources_all_$suite.db");
145 rename("$DBDIR/source_names_$suite.txt.new", "$DBDIR/source_names_$suite.txt");
147 rename("$DBDIR/sources_small.db.new", "$DBDIR/sources_small.db");
148 rename("$DBDIR/source_postfixes.db.new", "$DBDIR/source_postfixes.db");