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 = $ARGV[0] ? "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 = $data{'package'};
71 if ($data{'source'}) {
72 $src = $data{'source'};
73 $src =~ s/ .*//; # strip version info
75 my $descr = $data{'description'};
77 if (exists($descriptions{$descr})) {
78 $did = $descriptions{$descr};
80 $did = 1 + $#descriptions;
81 $descriptions[$did] = $descr;
82 $descriptions{$descr} = $did;
84 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
85 $descriptions_packages{$did} .=
86 "$data{'package'} $data{'version'} $data{'architecture'}\000";
91 my $subsection = $data{section};
92 if ($data{section} && ($data{section} =~ m=/=o)) {
93 ($section, $subsection) = split m=/=o, $data{section}, 2;
95 $packages_small{$data{'package'}} .= "$suite $data{'architecture'} ".
96 "$section $subsection $data{'priority'} $data{'version'} $sdescr\000";
97 $sources_packages{$src} .=
98 "$suite $data{'package'} $data{'version'} $data{'architecture'}\000";
101 untie %packages_all_db;
104 print "Writing databases...\n";
105 my %packages_small_db;
106 tie %packages_small_db, "DB_File", "packages_small.db.new",
107 O_RDWR|O_CREAT, 0666, $DB_BTREE
108 or die "Error creating DB: $!";
109 while (my ($k, $v) = each(%packages_small)) {
111 $packages_small_db{$k} = $v;
113 untie %packages_small_db;
115 my %sources_packages_db;
116 tie %sources_packages_db, "DB_File", "sources_packages.db.new",
117 O_RDWR|O_CREAT, 0666, $DB_BTREE
118 or die "Error creating DB: $!";
119 while (my ($k, $v) = each(%sources_packages)) {
121 $sources_packages_db{$k} = $v;
123 untie %sources_packages_db;
125 my %packages_descriptions_db;
126 tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
127 O_RDWR|O_CREAT, 0666, $DB_BTREE
128 or die "Error creating DB: $!";
129 while (my ($k, $v) = each(%packages_descriptions)) {
130 $packages_descriptions_db{$k} = $v;
132 untie %packages_descriptions_db;
134 my %descriptions_packages_db;
135 tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
136 O_RDWR|O_CREAT, 0666, $DB_BTREE
137 or die "Error creating DB: $!";
138 while (my ($k, $v) = each(%descriptions_packages)) {
140 $descriptions_packages_db{$k} = $v;
142 untie %descriptions_packages_db;
145 tie %descriptions_db, "DB_File", "descriptions.db.new",
146 O_RDWR|O_CREAT, 0666, $DB_BTREE
147 or die "Error creating DB: $!";
148 open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
149 for (my $i=1; $i<= $#descriptions; $i++) {
150 my $null_d = $descriptions[$i];
151 $null_d =~ s/\n/\000/g;
152 print DESCR "$null_d\n";
153 $descriptions_db{$i} = $descriptions[$i];
156 untie %descriptions_db;
158 # package names stuff:
159 for my $pkg (keys %package_names) {
160 for (my $i=0;$i<length($pkg)-1;$i++) {
161 my $before = substr($pkg, 0, $i);
162 my $after = substr($pkg, $i);
163 $package_postfixes{$after} .= "$before\0";
166 my %package_postfixes_db;
167 tie %package_postfixes_db, "DB_File", "package_postfixes.db.new",
168 O_RDWR|O_CREAT, 0666, $DB_BTREE
169 or die "Error creating DB: $!";
170 while (my ($k, $v) = each(%package_postfixes)) {
174 $nr = length($nr) + 1; # < number of hits
175 if ($nr > $MAX_PACKAGE_POSTFIXES) {
178 $package_postfixes_db{$k} = $v;
180 untie %package_postfixes_db;
182 rename("packages_small.db.new", "packages_small.db");
183 rename("sources_packages.db.new", "sources_packages.db");
184 for my $suite (@suites) {
185 rename("packages_all_$suite.db.new", "packages_all_$suite.db");
187 rename("packages_descriptions.db.new", "packages_descriptions.db");
188 rename("descriptions_packages.db.new", "descriptions_packages.db");
189 rename("descriptions.txt.new", "descriptions.txt");
190 rename("descriptions.db.new", "descriptions.db");
191 rename("package_postfixes.db.new", "package_postfixes.db");