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- # Copyright (C) 2014 Alex-Daniel Jakimenko <alex.jakimenko@gmail.com>
- # This program 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.
- #
- # This program 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
- # this program. If not, see <http://www.gnu.org/licenses/>.
- use strict;
- use v5.10;
- use File::Basename;
- use File::Copy;
- AddModuleDescription('module-updater.pl', 'Module Updater Extension');
- our ($q, %Action, @MyAdminCode, $TempDir, $ModuleDir);
- our $OddmuseModulesUrl = 'http://git.savannah.gnu.org/cgit/oddmuse.git/plain/modules/';
- push(@MyAdminCode, \&ModuleUpdaterMenu);
- $Action{updatemodules} = \&ModuleUpdaterAction;
- sub ModuleUpdaterMenu {
- return unless UserIsAdmin();
- my ($id, $menuref) = @_;
- push(@$menuref, ScriptLink('action=updatemodules', T('Update modules'), 'moduleupdater'));
- }
- sub ModuleUpdaterAction {
- UserIsAdminOrError();
- RequestLockOrError();
- print GetHeader('', T('Module Updater'), '', 'nocache');
- if (GetParam('ok')) {
- ModuleUpdaterApply();
- } else {
- Unlink(Glob("$TempDir/*.p[ml]")); # XXX is it correct to use $TempDir for such stuff? What if something else puts .pm files there?
- for (Glob("$ModuleDir/*.p[ml]")) {
- my $curModule = fileparse($_);
- ProcessModule($curModule);
- }
- print $q->br();
- print GetFormStart(undef, 'get');
- print GetHiddenValue('action', 'updatemodules');
- print $q->submit(-name=>'ok', -value=>T('Looks good. Update modules now!'));
- print $q->end_form();
- }
- PrintFooter();
- ReleaseLock();
- }
- sub ModuleUpdaterApply {
- for (Glob("$TempDir/*.p[ml]")) {
- my $moduleName = fileparse($_);
- if (move($_, "$ModuleDir/$moduleName")) {
- print $q->strong("Module $moduleName updated successfully!"), $q->br();
- } else {
- print $q->strong("Unable to replace module $moduleName: $!"), $q->br();
- }
- }
- Unlink(Glob("$TempDir/*.p[ml]")); # XXX same as above
- print $q->br(), $q->strong('Done!');
- }
- sub ProcessModule {
- my $module = shift;
- CreateDir($TempDir);
- print $q->hr();
- print $q->strong("Diffing $module ..."), $q->br();
- my $moduleData = GetRaw("$OddmuseModulesUrl/$module");
- if (not $moduleData) {
- print $q->strong('There was an error downloading this module.'
- . ' If this is your own module, please contribute it to Oddmuse!'), $q->br();
- return;
- }
- open my $fh, ">:utf8", encode_utf8("$TempDir/$module") or die("Could not open file $TempDir/$module: $!");
- print $fh $moduleData;
- close $fh;
- my $diff = DoModuleDiff("$ModuleDir/$module", "$TempDir/$module");
- if (not $diff) {
- print $q->strong('This module is up to date, there is no need to update it.'), $q->br();
- Unlink("$TempDir/$module");
- return;
- }
- print $q->strong('There is a newer version of this module. Here is a diff:'), $q->br();
- $diff = QuoteHtml($diff);
- $diff =~ tr/\r//d; # TODO is this required? # probably not # but maybe it is there to fix problems with dos newlines?
- for (split /\n/, $diff) {
- my ($type) = /(.)/;
- if ($type =~ /[+-]/) {
- my $class = $type eq '+' ? 'updaternew' : 'updaterold';
- print $q->span({-class => $class}, $q->code($_));
- } else {
- print $q->span($q->code($_));
- }
- print $q->br();
- }
- }
- sub DoModuleDiff {
- decode_utf8(`diff -U 3 -- \Q$_[0]\E \Q$_[1]\E`);
- }
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