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package C4::Installer::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 ); |
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@ISA = ('Exporter'); |
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@EXPORT = ('backup_changed_files'); |
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=head1 NAME |
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C4::Installer::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; |