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
24 my $what = $1 ? "non-free" : "*";
25 # max. distinct results for a given package postfix
26 my $MAX_PACKAGE_POSTFIXES = 100;
29 my %packages_small = ();
30 my %package_names = ();
31 my %package_postfixes = ();
32 my %sources_packages = ();
33 my %descriptions = ();
34 my @descriptions = ("we count lines one-based\000");
35 my %packages_descriptions = ();
36 my %descriptions_packages = ();
38 my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
42 for my $suite (@suites) {
44 print "Reading $suite...\n";
46 tie %packages_all_db, "DB_File", "packages_all_$suite.db.new",
47 O_RDWR|O_CREAT, 0666, $DB_BTREE
48 or die "Error creating DB: $!";
49 open PKG, "zcat /org/ftp.debian.org/ftp/dists/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
56 #s/\376\377\s*\376\377/\376\377/og;
57 while (/^(\S+):\s*(.*)\s*$/mg) {
58 my ($key, $value) = ($1, $2);
59 $value =~ s/\377/\n /g;
60 $data .= "$key: $value\n";
61 $key =~ tr [A-Z] [a-z];
65 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
66 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
69 $package_names{$data{'package'}} = 1;
70 my $src = $data{'package'};
71 my $srcversion = $data{'version'};
72 if ($data{'source'}) {
73 $src = $data{'source'};
74 if ($src =~ /(\S+) \((\S+)\)/) {
79 my $descr = $data{'description'};
81 if (exists($descriptions{$descr})) {
82 $did = $descriptions{$descr};
84 $did = 1 + $#descriptions;
85 $descriptions[$did] = $descr;
86 $descriptions{$descr} = $did;
88 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
89 $descriptions_packages{$did} .=
90 "$data{'package'} $data{'version'} $data{'architecture'}\000";
94 $packages_small{$data{'package'}} .= "$suite $data{'architecture'} ".
95 "$data{'section'} $data{'priority'} $data{'version'} $sdescr\000";
96 $sources_packages{$src} .=
97 "$data{'package'} $data{'architecture'} $data{'version'}\000";
100 untie %packages_all_db;
103 print "Writing databases...\n";
104 my %packages_small_db;
105 tie %packages_small_db, "DB_File", "packages_small.db.new",
106 O_RDWR|O_CREAT, 0666, $DB_BTREE
107 or die "Error creating DB: $!";
108 while (my ($k, $v) = each(%packages_small)) {
110 $packages_small_db{$k} = $v;
112 untie %packages_small_db;
114 my %sources_packages_db;
115 tie %sources_packages_db, "DB_File", "sources_packages.db.new",
116 O_RDWR|O_CREAT, 0666, $DB_BTREE
117 or die "Error creating DB: $!";
118 while (my ($k, $v) = each(%sources_packages)) {
120 $sources_packages_db{$k} = $v;
122 untie %sources_packages_db;
124 my %packages_descriptions_db;
125 tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
126 O_RDWR|O_CREAT, 0666, $DB_BTREE
127 or die "Error creating DB: $!";
128 while (my ($k, $v) = each(%packages_descriptions)) {
129 $packages_descriptions_db{$k} = $v;
131 untie %packages_descriptions_db;
133 my %descriptions_packages_db;
134 tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
135 O_RDWR|O_CREAT, 0666, $DB_BTREE
136 or die "Error creating DB: $!";
137 while (my ($k, $v) = each(%descriptions_packages)) {
139 $descriptions_packages_db{$k} = $v;
141 untie %descriptions_packages_db;
144 tie %descriptions_db, "DB_File", "descriptions.db.new",
145 O_RDWR|O_CREAT, 0666, $DB_BTREE
146 or die "Error creating DB: $!";
147 open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
148 for (my $i=1; $i<= $#descriptions; $i++) {
149 my $null_d = $descriptions[$i];
150 $null_d =~ s/\n/\000/g;
151 print DESCR "$null_d\n";
152 $descriptions_db{$i} = $descriptions[$i];
155 untie %descriptions_db;
157 # package names stuff:
158 for my $pkg (keys %package_names) {
159 for (my $i=0;$i<length($pkg)-1;$i++) {
160 my $before = substr($pkg, 0, $i);
161 my $after = substr($pkg, $i);
162 $package_postfixes{$after} .= "$before\0";
165 my %package_postfixes_db;
166 tie %package_postfixes_db, "DB_File", "package_postfixes.db.new",
167 O_RDWR|O_CREAT, 0666, $DB_BTREE
168 or die "Error creating DB: $!";
169 while (my ($k, $v) = each(%package_postfixes)) {
173 $nr = length($nr) + 1; # < number of hits
174 if ($nr > $MAX_PACKAGE_POSTFIXES) {
177 $package_postfixes_db{$k} = $v;
179 untie %package_postfixes_db;
181 rename("packages_small.db.new", "packages_small.db");
182 rename("sources_packages.db.new", "sources_packages.db");
183 for my $suite (@suites) {
184 rename("packages_all_$suite.db.new", "packages_all_$suite.db");
186 rename("packages_descriptions.db.new", "packages_descriptions.db");
187 rename("descriptions_packages.db.new", "descriptions_packages.db");
188 rename("descriptions.txt.new", "descriptions.txt");
189 rename("descriptions.db.new", "descriptions.db");
190 rename("package_postfixes.db.new", "package_postfixes.db");