Debian System Wide Information Manager
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# Package administration and research tool for Debian
# Copyright (C) 1999-2001 Jonathan D. Rosenbaum
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
package SWIM::DB_Init;
use strict;
use SWIM::Conf qw(:Path $fastswim $imswim $slowswim $sort);
use SWIM::Global;
use SWIM::Format;
use SWIM::MD;
use DB_File;
use vars qw(@ISA @EXPORT);
use Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(database);
# database() md() --initdb --rebuilddb
# Time to get serious and make a database
sub database {
my ($commands) = @_;
my %commands = %$commands;
print STDERR scalar(localtime), "\n";
#my whatever that is
my @dpackage; # passes name_version to md()
my @Tdescription;
my @description;
my @ldescription;
my @package;
my %db;
my @name;
my $count = 0;
my $the_status;
my $status;
my @essential;
my $priority;
my $section;
my $installed_size;
my $maintainer;
my $source;
my $version;
my $ver;
my %gb;
my %group;
my $group;
# Keeps a package->version database
# to save time over using status
my %sb;
my @status;
my ($replaces, @REPLACE, $provides, $depends, $pre_depends,
$recommends, $suggests, $conflicts);
my @conffiles;
my $line_before;
my @conf;
my @complete;
my @form;
my @formly;
my $format_deb = "$tmp/format.deb";
# Let's decide whether we should even go on. If it is --initdb, and
# the databases already exist, nothing should be touched, but if it is
# --rebuilddb and they exist, then they are removed and remade from
# scratch.
# But first, better clean up any files in $tmp in case of an aborted
# database formation
unlink(<$tmp/DEBIAN*>) if -e "$tmp/DEBIANaa";
unlink("$tmp/transfer.deb") if -e "$tmp/transfer.deb";
unlink("$tmp/big.debian") if -e "$tmp/big.debian";
unlink("$tmp/long.debian") if -e "$tmp/long.debian";
if (-e "$parent$base/status" && -e "$parent$base/info") {
$the_status = "$parent$base/status";
}
else {
print STDERR "swim: crucial file(s)/directories are missing in $parent\n";
exit;
}
if (($commands->{"dbpath"} && $commands->{"root"}) ||
($commands->{"dbpath"} && !$commands->{"root"}) ||
(!$commands->{"dbpath"} && !$commands->{"root"})) {
if ($commands->{"initdb"}) {
if (-e "$main::home$parent$library/packages.deb" &&
-e "$main::home$parent$library/fileindex.deb") {
print STDERR "swim: use --rebuilddb\n";
return "rebuilddb";
}
else {
# if a database happens to be missing
if (-e "$main::home$parent$library/packages.deb") {
unlink("$main::home$parent$library/packages.deb");
}
if (-e "$main::home$parent$library/fileindex.deb") {
unlink("$main::home$parent$library/fileindex.deb");
}
if (-e "$main::home$parent$library/groupindex.deb") {
unlink("$main::home$parent$library/groupindex.deb");
}
if (-e "$main::home$parent$library/statusindex.deb") {
unlink("$main::home$parent$library/statusindex.deb");
}
if (-e "$main::home$parent$library/searchindex.deb") {
unlink("$main::home$parent$library/searchindex.deb");
}
if (-e "$main::home$parent$library/searchindex.deb.gz") {
unlink("$main::home$parent$library/searchindex.deb.gz");
}
if (-e "$main::home$parent$library/dirindex.deb") {
unlink("$main::home$parent$library/dirindex.deb");
}
if (-e "$main::home$parent$library/dirindex.deb.gz") {
unlink("$main::home$parent$library/dirindex.deb.gz");
}
}
}
# this only works if all databases exist.
elsif ($commands->{"rebuilddb"}) {
if (-e "$main::home$parent$library/packages.deb" &&
-e "$main::home$parent$library/fileindex.deb") {
unlink("$main::home$parent$library/packages.deb");
unlink("$main::home$parent$library/fileindex.deb");
unlink("$main::home$parent$library/groupindex.deb");
unlink("$main::home$parent$library/statusindex.deb");
unlink("$main::home$parent$library/searchindex.deb");
unlink("$main::home$parent$library/searchindex.deb")
if -e "$main::home$parent$library/searchindex.deb";
unlink("$main::home$parent$library/dirindex.deb");
unlink("$main::home$parent$library/dirindex.deb")
if -e "$main::home$parent$library/dirindex.deb.gz";
}
else {
print STDERR "swim: use --initdb to create databases\n";
return "initdb";
}
}
}
elsif (!$commands->{"dbpath"} && $commands->{"root"}) {
if ($commands->{"initdb"}) {
if (-e "$main::home$parent$base/packages.deb" &&
-e "$main::home$parent$base/fileindex.deb") {
print STDERR "swim: use --rebuilddb\n";
return "rebuilddb";
}
else {
# if a database happens to be missing
if (-e "$main::home$parent$base/packages.deb") {
unlink("$main::home$parent$base/packages.deb");
}
if (-e "$main::home$parent$base/fileindex.deb") {
unlink("$main::home$parent$base/fileindex.deb");
}
if (-e "$main::home$parent$base/groupindex.deb") {
unlink("$main::home$parent$base/groupindex.deb");
}
if (-e "$main::home$parent$library/statusindex.deb") {
unlink("$main::home$parent$library/statusindex.deb");
}
if (-e "$main::home$parent$library/searchindex.deb") {
unlink("$main::home$parent$library/searchindex.deb");
}
if (-e "$main::home$parent$library/searchindex.deb.gz") {
unlink("$main::home$parent$library/searchindex.deb.gz");
}
if (-e "$main::home$parent$library/dirindex.deb") {
unlink("$main::home$parent$library/dirindex.deb");
}
if (-e "$main::home$parent$library/dirindex.deb.gz") {
unlink("$main::home$parent$library/dirindex.deb.gz");
}
}
}
# this only works if all databases exist.
elsif ($commands->{"rebuilddb"}) {
if (-e "$main::home$parent$base/packages.deb" &&
-e "$main::home$parent$base/fileindex.deb") {
unlink("$main::home$parent$base/packages.deb");
unlink("$main::home$parent$base/fileindex.deb");
unlink("$main::home$parent$base/groupindex.deb");
unlink("$main::home$parent$base/statusindex.deb");
unlink("$main::home$parent$library/searchindex.deb");
unlink("$main::home$parent$library/searchindex.deb")
if -e "$main::home$parent$library/searchindex.deb";
unlink("$main::home$parent$library/dirindex.deb");
unlink("$main::home$parent$library/dirindex.deb")
if -e "$main::home$parent$library/dirindex.deb.gz";
}
else {
print STDERR "swim: use --initdb to create databases\n";
return "initdb";
}
}
}
# This makes a backup of all the *.list files in ./backup. When
# --initdb/--rebuilddb runs these files should be built or rebuilt,
# but if changes have occured and --db(-i wasn't used) wasn't run
# this won't cause problems because everything is rebuilt, there may
# just be some lingering small files in backup.
# Seems like both approaches are about the same speed.
#use File::Copy;
print STDERR "Making backups of *.list\n";
if (!-d "$main::home$parent$base/info/backup") {
system "mkdir $main::home$parent$base/info/backup";
}
opendir(COPY,"$parent$base/info") or die "Sorry Charlie: $!\n";
foreach (sort grep(/\.list$/, readdir(COPY))) {
open(FILENAME,"$parent$base/info/$_");
open(CP,">$main::home$parent$base/info/backup/$_.bk");
while (<FILENAME>) {
print CP $_;
}
}
closedir(COPY);
print STDERR "Description Database is being made\n";
$| = 1; my $x = 0;
open(PRETTY, ">$format_deb");
open(AVAIL, "$the_status");
while (<AVAIL>) {
# Package name
if (/^Package:|^PACKAGE:/) {
@package = split(/: /,$_);
chomp $package[1];
$x = 1 if $x == 6;
print STDERR "|\r" if $x == 1 || $x == 4; print STDERR "/\r" if $x == 2;
print STDERR "-\r" if $x == 3 || $x == 6; print STDERR "\\\r" if $x == 5;
$x++;
}
# Some other pertinent fields
# All this stuff can be placed together..since it is generally nice
# to know these things at one glance, in this order.
# Package: Status:
# Version: Essential: (yes or no)
# Section: Priority:
# Installed-Size:
# Maintainer:
# Description:
elsif (/^Status:/) {
$status = $_;
}
elsif (/^Essential/) {
@essential = split(/: /,$_);
}
elsif (/^Priority:/) {
$priority = $_;
}
elsif (/^Section:/) {
$section = $_;
# make the hash for the groupindex.deb
$group = substr($section,9);
chomp $group;
# we will put not-installed in their own group for reference
if ($status !~ /not-installed/) {
if (!defined $group{$group}) {
$group{$group} = $package[1];
}
else {
$group{$group} = "$group{$group} $package[1]";
}
}
}
elsif (/^Installed-Size:/) {
$installed_size = $_;
}
elsif (/^Maintainer:/) {
$maintainer = $_;
}
elsif (/^Source:/) {
$source = $_;
}
# hold ok not-installed - may want to change this just to
# non-installed.
elsif (/^Version:/ && $status !~ /not-installed/) {
$version = $_;
chomp($version, $section);
$col1 = "Package: $package[1]";
$col2 = $status;
write PRETTY;
$col1 = $version;
$ver = m,Version:\s(.*),;
# This creates a name -> version index in package.deb,
# and the statusindex.deb database which will serve to
# determine if the status has changed when --db or -i is
# ran.
push(@name, $package[1]);
push(@status, $package[1]);
$package[1] = "$package[1]_$1";
push(@name, $package[1]);
my $priory = substr($priority,10);
chomp $priory;
my $statusy = substr($status,8);
chomp $statusy;
$statusy =~ s/\s/:/g;
my $thimk = "$package[1] $group $priory $statusy";
push(@status, $thimk);
if(defined($essential[1])) {
$col2 = "Essential: $essential[1]";
@essential = ();
}
else {
$col2 = "Essential: no\n";
}
write PRETTY;
if (defined $section) {
$col1 = $section;
}
else {
$col1 = "Section: unavailable";
}
if (defined $priority) {
$col2 = $priority;
}
else {
$col2 = "Priority: unavailable\n";
}
write PRETTY;
#my $cool = $installed_size . $maintainer;
$col1 = $installed_size;
if (defined $source) {
$col2 = $source;
}
else {
$col2 = "";
}
write PRETTY;
undef $source;
print PRETTY $maintainer
}
# This stuff will be available with seperate query flags or All
elsif (/^Replaces:/) {
$replaces = $_;
if (defined($replaces)) {
push(@REPLACE, "$package[1]REP");
push(@REPLACE, $replaces);
}
}
elsif (/^Provides:/) {
$provides = $_;
if (defined($provides)) {
push(@REPLACE, "$package[1]PRO");
push(@REPLACE, $provides);
}
}
elsif (/^Depends:/) {
$depends = $_;
if (defined($depends)) {
push(@REPLACE, "$package[1]DEP");
push(@REPLACE, $depends);
}
}
elsif (/^Pre-Depends:/) {
$pre_depends = $_;
if (defined($pre_depends)) {
push(@REPLACE, "$package[1]PRE");
push(@REPLACE, $pre_depends);
}
}
elsif (/^Recommends:/) {
$recommends = $_;
if (defined($recommends)) {
push(@REPLACE, "$package[1]REC");
push(@REPLACE, $recommends);
}
}
elsif (/^Suggests:/) {
$suggests = $_;
if (defined($suggests)) {
push(@REPLACE, "$package[1]SUG");
push(@REPLACE, $suggests);
}
}
elsif (/^Conflicts:/) {
$conflicts = $_;
if (defined($conflicts)) {
push(@REPLACE, "$package[1]CON");
push(@REPLACE, $conflicts);
}
}
# Gather the Configuration Files, Description comes after.
# Available with a single flag.
elsif (/^Conffiles:/) {
my $line = <AVAIL>;
while ($line !~ /^Description:/) {
push(@conffiles,$line);
$line = <AVAIL>;
if ($line =~ /^Description/) {
$line_before = $line;
# put conffiles into one variable
if (defined $package[1]) {
#chomp $package[1];
push(@conf,"$package[1]CONF");
}
my ($c, $cool);
if ($#conffiles != 0) {
for ($c = $#conffiles; $c >= 0; $c--) {
if ($c > 0) {
$cool = $conffiles[$c-1] .= $conffiles[$c];
}
} #end for
}
else {
$cool = $conffiles[0];
}
@conffiles = ();
push(@conf,$cool);
} #if ($line =~ /^Desc
} # while ($line ! /^Desc
} # elsif (/^Conffiles
# Only interested in available packages..so this is fine.
# To be combined with first fields.
if (/Description:|^\s\w*|^\s\.\w*/ ||
defined($line_before) =~ /^Description/){
my $many_lines;
if (defined($line_before)) {
push(@ldescription, $line_before);
push(@ldescription, $_);
$line_before = ();
}
else {
$many_lines = $_;
}
if ($_ !~ /^\n$/) {
$count++;
if ($count == 1) {
if (defined $package[1]) {
#chomp $package[1];
push(@dpackage,$package[1]);
push(@description,$package[1]);
}
}
if (defined($many_lines)) {
push(@ldescription,$many_lines);
}
} # end if ($_ !~ /^\n$/
else {
$count = 0;
# let's put each description into one scalar
my ($c, $cool);
if ($#ldescription != 0) {
for ($c = $#ldescription; $c >= 0; $c--) {
if ($c > 0) {
$cool = $ldescription[$c-1] .= $ldescription[$c];
}
} #end for
} # end if ($#ld
else {
$cool = $ldescription[0];
}
if (defined $cool) {
push(@description,$cool);
}
@ldescription = ();
} # end else
$line_before = ();
}
} # end while (<AVAIL>)
close(PRETTY);
# Let's put together the description with the rest of its fields.
open(FIELDS,"$format_deb");
while (<FIELDS>) {
push(@form,$_);
}
close(FIELDS);
foreach (@form) {
push(@formly,$_);
my ($cool);
$count++;
if ($count == 5) {
my ($c, $cool);
if ($#formly != 0) {
for ($c = $#formly; $c >= 0; $c--) {
if ($c > 0) {
$cool = $formly[$c-1] .= $formly[$c];
}
} #end for
} # end if ($#ld
else {
$cool = $formly[0];
}
push(@complete,$cool);
@formly = ();
$count = 0;
}
}
foreach (@description) {
if ($count == 1) {
my $lingo = shift(@complete);
$lingo = $lingo . $_;
push(@Tdescription, $lingo);
$lingo = ();
$count = 1;
}
else {
push(@Tdescription, $_);
$count = 0;
}
$count++;
}
unlink($format_deb);
# We'll keep databases local so that md() doesn't get confused with
# database().
# Put the groups into the groupindex.deb database.
print STDERR "Group Database is being made\n";
if (($commands->{"dbpath"} && $commands->{"root"}) ||
($commands->{"dbpath"} && !$commands->{"root"}) ||
(!$commands->{"dbpath"} && !$commands->{"root"})) {
tie %gb, 'DB_File', "$main::home$parent$library/groupindex.deb" or die "DB_File: $!";
}
elsif (!$commands->{"dbpath"} && $commands->{"root"}) {
tie %gb, 'DB_File', "$main::home$parent$base/groupindex.deb" or die "DB_File: $!";
}
%gb = %group;
untie %gb;
undef %gb;
undef %group;
# Create the important status database.
print STDERR "Status Database is being made\n";
if (($commands->{"dbpath"} && $commands->{"root"}) ||
($commands->{"dbpath"} && !$commands->{"root"}) ||
(!$commands->{"dbpath"} && !$commands->{"root"})) {
tie %sb, 'DB_File', "$main::home$parent$library/statusindex.deb" or die "DB_File: $!";
}
elsif (!$commands->{"dbpath"} && $commands->{"root"}) {
tie %sb, 'DB_File', "$main::home$parent$base/statusindex.deb" or die "DB_File: $!";
}
%sb = @status;
untie %sb;
undef %sb;
undef @status;
# Put everything into the package.deb database.
if (($commands->{"dbpath"} && $commands->{"root"}) ||
($commands->{"dbpath"} && !$commands->{"root"}) ||
(!$commands->{"dbpath"} && !$commands->{"root"})) {
tie %db, 'DB_File', "$main::home$parent$library/packages.deb" or die "DB_File: $!";
}
elsif (!$commands->{"dbpath"} && $commands->{"root"}) {
tie %db, 'DB_File', "$main::home$parent$base/packages.deb" or die "DB_File: $!";
}
%db = (@name,@Tdescription,@conf,@REPLACE);
untie %db;
undef @Tdescription;
undef @conf;
undef @REPLACE;
undef %db;
# To the total db thing.
if ($commands->{"initdb"} || $commands->{"rebuilddb"}) {
md(\@dpackage,\%commands);
}
} # end sub database
# Basically, this writes @dpackage to transfer.deb, which is processed by
# either fastswim into two files big.debian and long.debian for further
# processing by process_md() or is processed by imswim, then slowswim into
# the two files big.debian and long.debian then finished by process_md()
sub md {
my($dpackage,$commands) = @_; # creates transfer.deb
my %commands = %$commands;
unless (-e "$parent$base/info") {
die 'This program requires the $parent$base/info directory set-up by dpkg';
}
# Put all file/dir(*.list)->package_name(s) into an massive array.
# fastswim runs this process separately.
# This enables info files to be used from a different root system
my $argument2 = "$parent$base/info";
# This is just for testing purposes, and serves no real purpose.
if (!defined(@$dpackage)) {
system("$fastswim");
}
# This is what is used.
else {
open(TRANSFER, ">$tmp/transfer.deb");
foreach (@$dpackage) {
print TRANSFER "$_\n";
}
close(TRANSFER);
if (!$commands->{"lowmem"}) {
system $fastswim, "--transfer", $argument2, $tmp, $main::home;
}
else {
print STDERR "Gathering the file(s)/dir(s)\n";
system $imswim, $argument2, $tmp, $main::home;
system $slowswim, $tmp, $sort;
}
}
undef @$dpackage;
process_md(\%commands);
} # end sub md
1;