update.php

   1 <?php
   2
   3 /**
   4  * Updates all files within our jurisdiction.
   5  * @note This wants to be in a post-commit hook!
   6  */
   7
   8 require 'common.php';
   9
  10 $xc = XHTMLCompiler::getInstance();
  11
  12 // if in command line mode, allow more options
  13 $type = 'normal';
  14 if ($cli = (!ini_get('register_globals') && !empty($argv))) {
  15     set_time_limit(0);
  16     $type = isset($argv[1]) ? $argv[1] : 'normal'; // see below
  17 } else {
  18     header('Content-type: text/plain');
  19 }
  20
  21 // display a help file
  22 if ($type == 'help') {
  23     echo
  24 'php update.php [type] -- Updates compiled HTML files.
  25 [type] is:
  26   . normal : update existing files, remove orphans (default)
  27   . all : normal + create files without cached output
  28   . force : regenerate all files
  29   . clean : remove all cache and dependency files
  30 ';
  31     exit;
  32 }
  33
  34 // clean up the cache
  35 if ($type == 'clean') {
  36
  37     $allowed_dirs = $xc->getConf('allowed_dirs');
  38     foreach ($allowed_dirs as $dir => $recursive) {
  39         $dir = new XHTMLCompiler_Directory($dir);
  40
  41         // cleanup HTML cache files
  42         $files = $dir->scan('.html', $recursive);
  43         foreach ($files as $file) {
  44             if (!is_created_by_us($file)) continue;
  45             unlink($file);
  46         }
  47
  48         // cleanup dependency files
  49         $files = $dir->scan('.xc-deps', $recursive);
  50         foreach ($files as $file) unlink($file);
  51
  52         // cleanup fragment files
  53         $files = $dir->scan('.frag', $recursive);
  54         foreach ($files as $file) unlink($file);
  55
  56         // cleanup RSS files (probably should be somewhere else)
  57         $files = $dir->scan('.rss', $recursive);
  58         foreach ($files as $file) {
  59             $contents = file_get_contents($file);
  60             if (strpos($contents, '<generator>XHTML Compiler</generator>') !== false) {
  61                 unlink($file);
  62             }
  63         }
  64
  65     }
  66
  67     echo 'Removed all cache and dependency files.';
  68     exit;
  69 }
  70
  71 // status arrays
  72 $updated = array();
  73 $created = array();
  74 $orphans = array();
  75
  76 $allowed_dirs = $xc->getConf('allowed_dirs');
  77 do {
  78     $touched = false;
  79     foreach ($allowed_dirs as $dir => $recursive) {
  80         $dir = new XHTMLCompiler_Directory($dir);
  81         // search for source files
  82         $files = $dir->scan('.xhtml', $recursive);
  83         foreach ($files as $file) {
  84             $page = new XHTMLCompiler_Page($file);
  85             if ($type == 'all' && !$page->isCacheExistent()) {
  86                 // generate a new page
  87                 $touched = true;
  88                 $page->generate();
  89                 $created[] = $page->getCachePath();
  90             } elseif ($type == 'force') {
  91                 $page->generate();
  92                 $updated[] = $page->getCachePath();
  93             }
  94         }
  95         // search for cache files
  96         $files = $dir->scan('.html', $recursive);
  97         foreach ($files as $file) {
  98             $page = new XHTMLCompiler_Page($file, true);
  99             // we're only updating files, not creating new ones
 100             if ($page->isSourceExistent()) {
 101                 if (
 102                     // don't do it for force, since it's already been done
 103                     $type != 'force' &&
 104                     $page->isCacheExistent() &&
 105                     $page->isCacheStale()
 106                 ) {
 107                     $page->generate();
 108                     $updated[] = $page->getCachePath();
 109                     $touched = true;
 110                 }
 111             } elseif (is_created_by_us($orphan = $page->getCachePath())) {
 112                 unlink($orphan); // orphan
 113                 $orphans[] = $orphan;
 114             }
 115         }
 116     }
 117 } while($touched && $type != 'force');
 118
 119 // nice error message
 120 if (empty($updated)) $updated[] = '(none)';
 121 echo wordwrap('Updated pages: ' . implode(', ', $updated)) . PHP_EOL;
 122
 123 if (empty($orphans)) $orphans[] = '(none)';
 124 echo wordwrap('Removed orphans: ' . implode(', ', $orphans)) . PHP_EOL;
 125
 126 if ($cli && ($type != 'force')) {
 127     if (empty($created)) $created[] = '(none)';
 128     echo wordwrap('Created pages: ' . implode(', ', $created)) . PHP_EOL;
 129 }