2 # Convert Packages.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
28 my $what = $ARGV[0] ? "non-free" : "*";
29 # max. distinct results for a given package postfix
30 my $MAX_PACKAGE_POSTFIXES = 100;
35 use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES );
36 &Packages::Config::init( './' );
37 my %packages_small = ();
38 my %virtual_packages = ();
39 my %package_names = ();
40 my %package_postfixes = ();
41 my %sources_packages = ();
42 my %descriptions = ();
43 my @descriptions = ("we count lines one-based\000");
44 my %packages_descriptions = ();
45 my %descriptions_packages = ();
53 for my $suite (@SUITES) {
54 my %package_names_suite = ();
56 tie %packages_all_db, "DB_File", "$DBDIR/packages_all_$suite.db.new",
57 O_RDWR|O_CREAT, 0666, $DB_BTREE
58 or die "Error creating DB: $!";
60 for my $archive (@ARCHIVES) {
61 print "Reading $archive/$suite...\n";
62 open PKG, "zcat $TOPDIR/archive/$archive/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
69 while (/^(\S+):\s*(.*)\s*$/mg) {
70 my ($key, $value) = ($1, $2);
71 $value =~ s/\377/\n /g;
72 $key =~ tr [A-Z] [a-z];
76 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
78 if ($data{'provides'}) {
79 foreach (split /\s*,\s*/, $data{'provides'}) {
80 $virtual_packages{$_}{$suite}{$data{'package'}}++;
83 $package_names{$data{'package'}} = 1;
84 $package_names_suite{$data{'package'}} = 1;
85 my $src = $data{'package'};
87 if ($data{'source'}) {
88 $src = $data{'source'};
89 $src =~ s/\s+.*//; # strip version info
91 $data{'source'} = $src;
92 my $descr = $data{'description'};
94 if (exists($descriptions{$descr})) {
95 $did = $descriptions{$descr};
97 $did = 1 + $#descriptions;
98 $descriptions[$did] = $descr;
99 $descriptions{$descr} = $did;
101 $data{'description'} = $did;
102 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
103 $descriptions_packages{$did} .=
104 "$data{'package'} $data{'version'} $data{'architecture'}\000";
107 $sdescr =~ s/\n.*//s;
108 my $section = 'main';
109 my $subsection = $data{section} || '-';
110 if ($data{section} && ($data{section} =~ m=/=o)) {
111 ($section, $subsection) = split m=/=o, $data{section}, 2;
112 ($subsection, $section) = split m=/=o, $data{section}, 2
113 if $section eq 'non-US';
115 $data{'section'} = $section;
116 $data{'subsection'} = $subsection;
117 $data{'priority'} ||= '-';
118 $sections{$suite}{$archive}{$section}++;
119 $subsections{$suite}{$archive}{$subsection}++;
120 $priorities{$suite}{$archive}{$data{priority}}++;
121 my $pkgitem = "$archive $suite $data{'architecture'} ".
122 "$section $subsection $data{'priority'} $data{'version'} $sdescr\0";
123 my $previtem = $packages_small{$data{'package'}}{$suite}{$data{'architecture'}}
125 $packages_small{$data{'package'}}{$suite}{$data{'architecture'}} = $pkgitem
126 if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) >= 0;
127 $previtem = $packages_small{$data{'package'}}{$suite}{'any'}
129 $packages_small{$data{'package'}}{$suite}{'any'} = $pkgitem
130 if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) >= 0;
131 $sources_packages{$src} .=
132 "$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
133 $data{archive} = $archive;
134 while (my ($key, $value) = each (%data)) {
135 next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
136 or $key eq 'maintainer';
137 print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
138 $data .= "$key\00$value\00";
141 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
146 open NAMES, '>', "$DBDIR/package_names_$suite.txt.new"
147 or die "Error creating package names list: $!";
148 foreach (sort keys %package_names_suite) {
153 untie %packages_all_db;
156 print "Writing databases...\n";
157 my %packages_small_db;
158 tie %packages_small_db, "DB_File", "$DBDIR/packages_small.db.new",
159 O_RDWR|O_CREAT, 0666, $DB_BTREE
160 or die "Error creating DB: $!";
161 while (my ($pkg, $v) = each(%packages_small)) {
162 my ($res1, $res2, $res3) = ("", "", "");
163 while (my ($suite, $v2) = each %$v) {
164 $res2 .= $v2->{'any'};
165 while (my ($arch, $v3) = each %$v2) {
166 next if $arch eq 'any' or $v3 eq $v2->{'any'};
171 if (exists $virtual_packages{$pkg}) {
172 while (my ($suite, $v2) = each %{$virtual_packages{$pkg}}) {
173 $res1 .= "$suite\01".(join ' ', keys %$v2)."\01";
180 my $res = "$res1$res2$res3";
182 $packages_small_db{$pkg} = $res;
184 untie %packages_small_db;
186 my %sources_packages_db;
187 tie %sources_packages_db, "DB_File", "$DBDIR/sources_packages.db.new",
188 O_RDWR|O_CREAT, 0666, $DB_BTREE
189 or die "Error creating DB: $!";
190 while (my ($k, $v) = each(%sources_packages)) {
192 $sources_packages_db{$k} = $v;
194 untie %sources_packages_db;
196 my %packages_descriptions_db;
197 tie %packages_descriptions_db, "DB_File", "$DBDIR/packages_descriptions.db.new",
198 O_RDWR|O_CREAT, 0666, $DB_BTREE
199 or die "Error creating DB: $!";
200 while (my ($k, $v) = each(%packages_descriptions)) {
201 $packages_descriptions_db{$k} = $v;
203 untie %packages_descriptions_db;
205 my %descriptions_packages_db;
206 tie %descriptions_packages_db, "DB_File", "$DBDIR/descriptions_packages.db.new",
207 O_RDWR|O_CREAT, 0666, $DB_BTREE
208 or die "Error creating DB: $!";
209 while (my ($k, $v) = each(%descriptions_packages)) {
211 $descriptions_packages_db{$k} = $v;
213 untie %descriptions_packages_db;
216 tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
217 O_RDWR|O_CREAT, 0666, $DB_BTREE
218 or die "Error creating DB: $!";
219 open DESCR, ">", "$DBDIR/descriptions.txt" or die "Error creating descriptions textfile";
220 for (my $i=1; $i<= $#descriptions; $i++) {
221 my $plain_description = $descriptions[$i];
222 # WARNING: This needs to correspond with what happens in
223 # Packages/Search.pm:do_fulltext_search
224 $plain_description =~ tr [A-Z] [a-z];
225 # ensure one space on both ends
226 $plain_description = " $plain_description ";
227 $plain_description =~ s/[(),.-]+//og;
228 $plain_description =~ s#[^a-z0-9_/+]+# #og;
229 print DESCR "$plain_description\n";
230 $descriptions_db{$i} = $descriptions[$i];
233 untie %descriptions_db;
235 # package names stuff:
236 for my $pkg (keys %package_names) {
237 for (my $i=0;$i<length($pkg)-1;$i++) {
238 my $before = substr($pkg, 0, $i);
239 my $after = substr($pkg, $i);
240 $before = "^" if $before eq ""; # otherwise split doesn't work properly
241 $package_postfixes{$after} .= "$before\0";
244 my %package_postfixes_db;
245 tie %package_postfixes_db, "DB_File", "$DBDIR/package_postfixes.db.new",
246 O_RDWR|O_CREAT, 0666, $DB_BTREE
247 or die "Error creating DB: $!";
248 while (my ($k, $v) = each(%package_postfixes)) {
252 $nr = length($nr) + 1; # < number of hits
253 if ($nr > $MAX_PACKAGE_POSTFIXES) {
256 $package_postfixes_db{$k} = $v;
258 untie %package_postfixes_db;
260 store \%sections, "$DBDIR/sections.info";
261 store \%subsections, "$DBDIR/subsections.info";
262 store \%priorities, "$DBDIR/priorities.info";
264 rename("$DBDIR/packages_small.db.new", "$DBDIR/packages_small.db");
265 rename("$DBDIR/sources_packages.db.new", "$DBDIR/sources_packages.db");
266 for my $suite (@SUITES) {
267 rename("$DBDIR/packages_all_$suite.db.new",
268 "$DBDIR/packages_all_$suite.db");
269 rename("$DBDIR/package_names_$suite.txt.new",
270 "$DBDIR/package_names_$suite.txt");
272 rename("$DBDIR/packages_descriptions.db.new",
273 "$DBDIR/packages_descriptions.db");
274 rename("$DBDIR/descriptions_packages.db.new",
275 "$DBDIR/descriptions_packages.db");
276 rename("$DBDIR/descriptions.txt.new", "$DBDIR/descriptions.txt");
277 rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
278 rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");