97 lines
2.7 KiB
Perl
97 lines
2.7 KiB
Perl
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 Modern::Perl;
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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 qw( 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(
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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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}
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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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