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95 lines
2.6 KiB
95 lines
2.6 KiB
package install_misc::UpgradeBackup;
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# Copyright (C) 2008 LibLime
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# 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 Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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#use warnings; FIXME - Bug 2505
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use File::Compare qw(compare);
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use Cwd qw(cwd);
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use File::Copy;
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use File::Find;
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use File::Spec;
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use Exporter;
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use vars qw(@ISA @EXPORT $VERSION);
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@ISA = ('Exporter');
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@EXPORT = ('backup_changed_files');
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$VERSION = '3.00';
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=head1 NAME
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install_misc::UpgradeBackup
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=head1 DESCRIPTION
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This is a helper module used during a 'make upgrade' that
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creates backups of files updated during an upgrade.
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=cut
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sub backup_changed_files {
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my $from_to = shift;
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my $suffix = shift;
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my $verbose = shift;
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my $inc_uninstall = shift;
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my $cwd = cwd();
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foreach my $sourceroot (sort keys %$from_to) {
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my $targetroot = $from_to->{$sourceroot};
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my $currdir = File::Spec->catdir($cwd, $sourceroot);
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next unless -d $currdir;
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chdir $currdir or die "could not change to $currdir: $!";
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# expand path
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find(sub {
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return unless -f $_;
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my $filename = $_;
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my $targetdir = File::Spec->catdir($targetroot, $File::Find::dir);
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my $targetfile = File::Spec->catfile($targetdir, $filename);
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my $sourcedir = File::Spec->catdir($currdir, $File::Find::dir);
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my $sourcefile = File::Spec->catfile($sourcedir, $filename);
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if (-f $targetfile) {
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my ($size) = (stat $sourcefile)[7];
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my $backup = $targetfile . $suffix;
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unless (-s $targetfile == $size and not compare($sourcefile, $targetfile)) {
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print "Backed up $targetfile to $backup\n";
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File::Copy::copy($targetfile, $backup);
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}
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}
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}, ".");
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}
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}
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=head1 AUTHOR
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Code based on parts of ExtUtils::Install in order to
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approximately track how it identifies files to
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install.
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Koha Development Team <http://koha-community.org/>
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Galen Charlton <galen.charlton@liblime.com>
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=cut
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1;
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