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
25 my %packages_small = ();
26 my %sources_packages = ();
27 my %descriptions = ();
28 my @descriptions = ("we count lines one-based\000");
29 my %packages_descriptions = ();
30 my %descriptions_packages = ();
32 my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
36 for my $suite (@suites) {
38 print "Reading $suite...\n";
40 tie %packages_all_db, "DB_File", "packages_all_$suite.db.new",
41 O_RDWR|O_CREAT, 0666, $DB_BTREE
42 or die "Error creating DB: $!";
43 open PKG, "zcat /org/ftp.debian.org/ftp/dists/$suite/*/{,debian-installer/}binary-*/Packages.gz|";
50 #s/\376\377\s*\376\377/\376\377/og;
51 while (/^(\S+):\s*(.*)\s*$/mg) {
52 my ($key, $value) = ($1, $2);
53 $value =~ s/\377/\n /g;
54 $data .= "$key: $value\n";
55 $key =~ tr [A-Z] [a-z];
59 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
60 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
63 my $src = $data{'package'};
64 my $srcversion = $data{'version'};
65 if ($data{'source'}) {
66 $src = $data{'source'};
67 if ($src =~ /(\S+) \((\S+)\)/) {
72 my $descr = $data{'description'};
74 if (exists($descriptions{$descr})) {
75 $did = $descriptions{$descr};
77 $did = 1 + $#descriptions;
78 $descriptions[$did] = $descr;
79 $descriptions{$descr} = $did;
81 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
82 $descriptions_packages{$did} .=
83 "$data{'package'} $data{'version'} $data{'architecture'}\000";
87 $packages_small{$data{'package'}} .= "$suite $data{'architecture'} ".
88 "$data{'section'} $data{'priority'} $data{'version'} $sdescr\000";
89 $sources_packages{$src} .=
90 "$data{'package'} $data{'architecture'} $data{'version'}\000";
93 untie %packages_all_db;
96 print "Writing databases...\n";
97 my %packages_small_db;
98 tie %packages_small_db, "DB_File", "packages_small.db.new",
99 O_RDWR|O_CREAT, 0666, $DB_BTREE
100 or die "Error creating DB: $!";
101 while (my ($k, $v) = each(%packages_small)) {
103 $packages_small_db{$k} = $v;
105 untie %packages_small_db;
107 my %sources_packages_db;
108 tie %sources_packages_db, "DB_File", "sources_packages.db.new",
109 O_RDWR|O_CREAT, 0666, $DB_BTREE
110 or die "Error creating DB: $!";
111 while (my ($k, $v) = each(%sources_packages)) {
113 $sources_packages_db{$k} = $v;
115 untie %sources_packages_db;
117 my %packages_descriptions_db;
118 tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
119 O_RDWR|O_CREAT, 0666, $DB_BTREE
120 or die "Error creating DB: $!";
121 while (my ($k, $v) = each(%packages_descriptions)) {
122 $packages_descriptions_db{$k} = $v;
124 untie %packages_descriptions_db;
126 my %descriptions_packages_db;
127 tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
128 O_RDWR|O_CREAT, 0666, $DB_BTREE
129 or die "Error creating DB: $!";
130 while (my ($k, $v) = each(%descriptions_packages)) {
132 $descriptions_packages_db{$k} = $v;
134 untie %descriptions_packages_db;
137 tie %descriptions_db, "DB_File", "descriptions.db.new",
138 O_RDWR|O_CREAT, 0666, $DB_BTREE
139 or die "Error creating DB: $!";
140 open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
141 for (my $i=1; $i<= $#descriptions; $i++) {
142 my $null_d = $descriptions[$i];
143 $null_d =~ s/\n/\000/g;
144 print DESCR "$null_d\n";
145 $descriptions_db{$i} = $descriptions[$i];
148 untie %descriptions_db;
150 rename("packages_small.db.new", "packages_small.db");
151 rename("sources_packages.db.new", "sources_packages.db");
152 for my $suite (@suites) {
153 rename("packages_all_$suite.db.new", "packages_all_$suite.db");
155 rename("packages_descriptions.db.new", "packages_descriptions.db");
156 rename("descriptions_packages.db.new", "descriptions_packages.db");
157 rename("descriptions.txt.new", "descriptions.txt");
158 rename("descriptions.db.new", "descriptions.db");