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107 lines
5.3 KiB
107 lines
5.3 KiB
#!/usr/bin/perl -w
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require 5.004;
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use strict;
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############################################################################
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#
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# Debian System Wide Information Manager
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#
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# Copyright (C) 1999-2001 Jonathan Rosenbaum
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#
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#
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#
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# This program is free software; you can redistribute it and/or modify
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#
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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,
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# USA
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#
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#############################################################################
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=pod
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This allows computers with a small amount of memory or overloaded system
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to succeed in making the databases for SWIM::DB_Init. Instead of using
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transfer.deb to grab everything into memory and then creating the
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long.debian and big.debian files right out of memory for processing by
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SWIM::MD, it works like longswim by creating one large file to the disk
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(this can use lots of memory, but can swap easily) then it uses slowswim
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to create long.debian and big.debian using a minimal memory method, then
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it finishes using SWIM::MD.
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To test supply these arguments - info dir, temporary dir "imswim
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/var/lib/dpkg/info /tmp" and create a transfer.deb file
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beforehand in the temporary dir which has the packagename_version one to a
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line.
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=cut
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if ($#ARGV == -1) {
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print STDERR "swim: imswim requires arguments, see program for instructions\n";
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exit;
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}
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else {
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$| = 1; my $x = 1;
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open(FILEDIR, ">$ARGV[1]/filedir.deb")
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or warn "could not create filedir.deb\n";
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open(TRANSFER, "$ARGV[1]/transfer.deb") or warn "needs transfer.deb";
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while (<TRANSFER>) {
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chomp;
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my @the = split(/_/, $_);
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if (-e "$ARGV[0]/$the[0].list") {
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open (LIST, "$ARGV[0]/$the[0].list")
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or warn "could not file *list";
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chomp;
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# better check if /. is missing in any of the *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 STDERR "|\r" if $x == 1 || $x == 4; print STDERR "/\r" if $x == 2;
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print STDERR "-\r" if $x == 3 || $x == 6; print STDERR "\\\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, ">$ARGV[2]/$ARGV[0]/backup/$the[0].list.bk.bk")
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or warn "needed to edit $the[0].list 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("$ARGV[2]/$ARGV[0]/backup/$the[0].list.bk.bk",
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"$ARGV[2]/$ARGV[0]/backup/$the[0].list.bk");
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$_ = "/.";
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}
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}
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$count = 1;
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print FILEDIR "$_ -> $the[0]_$the[1]\n";
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} # if *list exists
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} # foreach @count
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} # while TRANSFER
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close(TRANSFER);
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close(FILEDIR);
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} # else
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