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<?php
// WebSVN - Subversion repository viewing via the web using PHP
// Copyright (C) 2004-2006 Tim Armes
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// --
//
// revision.php
//
// Show the details for a given revision

require_once('include/setup.php');
require_once('include/svnlook.php');
require_once('include/utils.php');
require_once('include/template.php');
require_once('include/bugtraq.php');

// Make sure that we have a repository
if (!isset($rep)) {
  echo $lang['NOREP'];
  exit;
}

$svnrep = new SVNRepository($rep);

// Revision info to pass along chain
$passrev = $rev;

// If there's no revision info, go to the lastest revision for this path
$history = $svnrep->getLog($path, '', '', false);
if (is_string($history)) {
  echo $history;
  exit;
}

if (!empty($history->entries[0])) {
  $youngest = $history->entries[0]->rev;
} else {
  $youngest = -1;
}

// Unless otherwise specified, we get the log details of the latest change
if (empty($rev)) {
  $logrev = $youngest;
} else {
  $logrev = $rev;
}

if ($logrev != $youngest) {
  $logEntry = $svnrep->getLog($path, $logrev, $logrev, false);
  if (is_string($logEntry)) {
    echo $logEntry;
    exit;
  }
  $logEntry = $logEntry ? $logEntry->entries[0] : false;
} else {
  $logEntry = isset($history->entries[0]) ? $history->entries[0]: false;
}

$headlog = $svnrep->getLog('/', '', '', true, 1);
if (is_string($headlog)) {
  echo $headlog;
  exit;
}
$headrev = isset($headlog->entries[0]) ? $headlog->entries[0]->rev: 0;

// If we're not looking at a specific revision, get the HEAD revision number
// (the revision of the rest of the tree display)

if (empty($rev)) {
  $rev = $headrev;
}

if ($path == '' || $path{0} != '/') {
  $ppath = '/'.$path;
} else {
  $ppath = $path;
}

$vars['repname'] = $rep->getDisplayName();

if ($passrev != 0 && $passrev != $headrev && $youngest != -1) {
  $vars['goyoungestlink'] = '<a href="'.$config->getURL($rep, $path, 'revision').'opt=dir">'.$lang['GOYOUNGEST'].'</a>';
} else {
  $vars['goyoungestlink'] = '';
}

$vars['listingurl'] = $config->getURL($rep, $path, 'dir').'rev='.$passrev;

$bugtraq = new Bugtraq($rep, $svnrep, $ppath);

$vars['action'] = '';
$vars['rev'] = $rev;
$vars['path'] = htmlentities($ppath, ENT_QUOTES, 'UTF-8');
$vars['lastchangedrev'] = $logrev;
$vars['date'] = $logEntry ? $logEntry->date: '';
$vars['author'] = $logEntry ? $logEntry->author: '';
$vars['log'] = $logEntry ? nl2br($bugtraq->replaceIDs(create_anchors($logEntry->msg))): '';

$changes = $logEntry ? $logEntry->mods : array();
if (!is_array($changes)) {
  $changes = array();
}
usort($changes, 'SVNLogEntry_compare');

$row = 0;
$listing = array();

foreach ($changes as $file) {
  $listing[] = array(
    'file' => $file->path,
    'added' => $file->action == 'A',
    'modified' => $file->action == 'M',
    'deleted' => $file->action == 'D',
    'detailurl' => $config->getURL($rep, $file->path, 'file').'rev='.$passrev,
    'logurl' => $config->getURL($rep, $file->path, 'log').'rev='.$passrev.'&amp;isdir=0',
    'diffurl' => $config->getURL($rep, $file->path, 'diff').'rev='.$passrev,
    'blameurl' => $config->getURL($rep, $file->path, 'blame').'rev='.$passrev,
    'rowparity' => $row,
  );

  $row = 1 - $row;
}

createDirLinks($rep, $ppath, $passrev);

$logurl = $config->getURL($rep, $path, 'log');
$vars['logurl'] = $logurl.'rev='.$passrev.'&amp;isdir=1';

$vars['indexurl'] = $config->getURL($rep, '', 'index');
$vars['repurl'] = $config->getURL($rep, '', 'dir');

if ($rev != $headrev) {
  $history = $svnrep->getLog($ppath, $rev, '', false);
  if (is_string($history)) {
    echo $history;
    exit;
  }
}

if (isset($history->entries[1]->rev)) {
  $compurl = $config->getURL($rep, '/', 'comp');
  $vars['curdircomplink'] = '<a href="'.$compurl.'compare[]='.urlencode($history->entries[1]->path).'@'.$history->entries[1]->rev. '&amp;compare[]='.urlencode($history->entries[0]->path).'@'.$history->entries[0]->rev. '">'.$lang['DIFFPREV'].'</a>';
  $vars['compareurl'] = $compurl.'compare[]='.urlencode($history->entries[1]->path).'@'.$history->entries[1]->rev. '&amp;compare[]='.urlencode($history->entries[0]->path).'@'.$history->entries[0]->rev;
} else {
  $vars['curdircomplink'] = '';
  $vars['compareurl'] = '';
}

if ($rep->getHideRss()) {
  $rssurl = $config->getURL($rep, $path, 'rss');
  // $vars["curdirrsslink"] = "<a href=\"${rssurl}rev=$passrev&amp;isdir=1\">${lang["RSSFEED"]}</a>";
  // $vars["curdirrsshref"] = "${rssurl}rev=$passrev&amp;isdir=1";
  // $vars["curdirrssanchor"] = "<a href=\"${rssurl}rev=$passrev&amp;isdir=1\">";
  $vars['rssurl'] = $rssurl.'isdir=1';
}

$vars['version'] = $version;

$vars['noaccess'] = !$rep->hasReadAccess($path, true);

$vars['restricted'] = !$rep->hasReadAccess($path, false);

parseTemplate($rep->getTemplatePath()."header.tmpl", $vars, $listing);
parseTemplate($rep->getTemplatePath()."revision.tmpl", $vars, $listing);
parseTemplate($rep->getTemplatePath()."footer.tmpl", $vars, $listing);