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freesource
Executable
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#!/usr/bin/perl -w
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#use diagnostics;
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require 5.004;
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use strict;
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################################################################################
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# Package administration and research tool for Debian #
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# Copyright (C) 1999-2000 Jonathan D. Rosenbaum #
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.#
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################################################################################
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# Because it is a better to write to disk, rather than trying to do
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# everthing in memory, and then it's good to close the process which
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# accomplished this. I am sure there are better ways.
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# Anyways if you want to test fastswim do something like this:
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# fastswim --transfer /var/lib/dpkg/info /tmp /var/lib/dpkg and create a
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# transfer.deb file beforehand in /tmp which has the packagename_version
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# one to a line.
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my @ppackage;
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my %repeaters;
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my $thingy;
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my $tingy;
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my $temp;
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my %HL;
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my @name;
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my %version;
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#$| = 1;
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#$#name = 2000;
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#$#ppackage = 2000;
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# This way has been de-pre-c-whatever-ated because it lacks version
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# rememberance, and is just kept for testing purposes
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if ($#ARGV == -1) {
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print "swim: fastswim requires option/arguments, see program for instructions\n";
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exit;
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chdir("$ARGV[1]");
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#consider readdir
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@ppackage = <*.list>;
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}
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# This does the work
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elsif ($ARGV[0] eq "--transfer") {
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open(TRANSFER, "$ARGV[2]/transfer.deb");
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while (<TRANSFER>) {
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chomp $_;
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if (defined $_) {
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my @the = split(/_/, $_);
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push(@ppackage, "$the[0].list");
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# remember the version.
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chomp $the[1];
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$version{$the[0]} = $the[1];
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}
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}
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close(TRANSFER);
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}
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# Make a nice md. I decided on a Hash of Lists, giving all
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# files/dirs unique name, and then a list of packages which
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# correspond..because this should be faster than a Hash of Hash
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# where you'd have to loop through all packages names..find the
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# files/dir in all packages names which are the same..I'd assume a HL
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# would be a quicker query, even though the Hash would be enormous.
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# Possible things: a tree for faster query.
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# Put everything into an array..every other is package name
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# Better check for packages which don't have /. in their *.list...
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# which is rare, but does happen. Sometimes *.list(s) don't have
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# all the parent directories, but we won't worry about that.
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print " Making the massive hash\n";
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$| = 1; my $x = 1;
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foreach $thingy (sort @ppackage) {
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open(LIST, "$ARGV[1]/$thingy") or die "Humm, strange";
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# Because of the version..there are sometimes dots
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$thingy =~ m,(.*)\.list,;
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my $count = 0;
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my @count = <LIST>;
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close(LIST);
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foreach (@count) {
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$x = 1 if $x == 6;
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print "|\r" if $x == 1 || $x == 4; print "/\r" if $x == 2;
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print "-\r" if $x == 3 || $x == 6; print "\\\r" if $x == 5;
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$x++;
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chomp $_;
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# does /. exist? it should be first.
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if ($count == 0) {
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if ($_ !~ m,\/\.,) {
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my $shifter = $_;
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my @redolist = @count;
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push(@count,$shifter);
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# humm let's rebuild the offending backup list, this
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# is important for --db.
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unshift(@redolist,"/.");
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open(REDOLIST, ">$ARGV[1]/backup/$thingy.bk.bk")
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or warn "needed to edit $thingy because it lacked /.,
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but could not open up a backup file\n";
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my $rd;
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foreach $rd (@redolist) {
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chomp $rd;
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print REDOLIST "$rd\n";
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}
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close(REDOLIST);
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rename
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("$ARGV[1]/backup/$thingy.bk.bk","$ARGV[1]/backup/$thingy.bk");
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$_ = "/.";
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}
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}
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$count = 1;
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$repeaters{$_}++;
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if ($repeaters{$_} == 1) {
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$temp = 0;
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}
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else {
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$temp = $repeaters{$_} - 1;
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}
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if (defined $version{$1}) {
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$HL{$_}[$temp] = "$1_$version{$1}";
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}
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}
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}
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undef @ppackage;
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# We will create one file with the 1..and another with >1..
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# than split..reverse..and order.accordingly..this makes
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# things much faster. Remember clean-up routines for kill.
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print " Starting ... writing to $ARGV[2]!\n";
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# Create the database
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open(BIG, ">$ARGV[2]/big.debian") or die;
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open(LONG, ">$ARGV[2]/long.debian") or die;
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foreach $thingy (sort keys %HL ) {
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$x = 1 if $x == 6;
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print "|\r" if $x == 1 || $x == 4; print "/\r" if $x == 2;
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print "-\r" if $x == 3 || $x == 6; print "\\\r" if $x == 5;
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$x++;
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# Humm, will split or grep be faster?
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#my $tingy = "@{ $HL{$thingy} }" . " " . @{ $HL{$thingy} };
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my $tingy = "@{ $HL{$thingy} }";
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if (@{ $HL{$thingy} } > 1 || @{ $HL{$thingy} } eq "") {
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print LONG "$thingy -> $tingy\n";
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}
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elsif (@{ $HL{$thingy} } == 1) {
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print BIG "$thingy -> $tingy\n";
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}
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}
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#print "Finished\n";
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close(BIG);
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close(LONG);
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#undef %HL;
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print " Cleaning up\n";
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__END__
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