Koha/install_misc/UpgradeBackup.pm
Jonathan Druart a6c9bd0eb5 Bug 9978: Replace license header with the correct license (GPLv3+)
Signed-off-by: Chris Nighswonger <cnighswonger@foundations.edu>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

http://bugs.koha-community.org/show_bug.cgi?id=9987

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
2015-04-20 09:59:38 -03:00

95 lines
2.6 KiB
Perl

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