1: <?php
  2: /**
  3:  * CVS patchset class.
  4:  *
  5:  * Copyright 2000-2012 Horde LLC (http://www.horde.org/)
  6:  *
  7:  * See the enclosed file COPYING for license information (LGPL). If you
  8:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
  9:  *
 10:  * @author  Anil Madhavapeddy <anil@recoil.org>
 11:  * @author  Michael Slusarz <slusarz@horde.org>
 12:  * @package Vcs
 13:  */
 14: class Horde_Vcs_Patchset_Cvs extends Horde_Vcs_Patchset_Base
 15: {
 16:     /**
 17:      * Constructor
 18:      *
 19:      * @param Horde_Vcs $rep  A Horde_Vcs repository object.
 20:      * @param string $file    The filename to create a patchset for.
 21:      * @param array $opts     Additional options.
 22:      * <pre>
 23:      * 'file' - (string) The filename to process.
 24:      *          REQUIRED for this driver.
 25:      * 'range' - (array) The patchsets to process.
 26:      *           DEFAULT: None (all patchsets are processed).
 27:      * </pre>
 28:      *
 29:      * @throws Horde_Vcs_Exception
 30:      */
 31:     public function __construct($rep, $opts = array())
 32:     {
 33:         $file = $rep->sourceroot . '/' . $opts['file'];
 34: 
 35:         /* Check that we are actually in the filesystem. */
 36:         if (!$rep->isFile($file)) {
 37:             throw new Horde_Vcs_Exception('File Not Found');
 38:         }
 39: 
 40:         /* Call cvsps to retrieve all patchsets for this file. */
 41:         $cvsps_home = $rep->getPath('cvsps_home');
 42:         $HOME = !empty($cvsps_home) ?
 43:             'HOME=' . escapeshellarg($cvsps_home) . ' ' :
 44:             '';
 45: 
 46:         $rangecmd = empty($opts['range'])
 47:             ? ''
 48:             : ' -s ' . escapeshellarg(implode(',', $opts['range']));
 49: 
 50:         $ret_array = array();
 51:         $cmd = $HOME . escapeshellcmd($rep->getPath('cvsps')) . $rangecmd
 52:             . ' -u --cvs-direct --root ' . escapeshellarg($rep->sourceroot)
 53:             . ' -f ' . escapeshellarg(basename($file))
 54:             . ' -q ' . escapeshellarg(dirname($file));
 55:         exec($cmd, $ret_array, $retval);
 56:         if ($retval) {
 57:             throw new Horde_Vcs_Exception('Failed to spawn cvsps to retrieve patchset information.');
 58:         }
 59: 
 60:         $state = 'begin';
 61:         reset($ret_array);
 62:         while (list(,$line) = each($ret_array)) {
 63:             $line = trim($line);
 64: 
 65:             if ($line == '---------------------') {
 66:                 $state = 'begin';
 67:                 continue;
 68:             }
 69: 
 70:             switch ($state) {
 71:             case 'begin':
 72:                 $id = str_replace('PatchSet ', '', $line);
 73:                 $this->_patchsets[$id] = array('revision' => $id);
 74:                 $state = 'info';
 75:                 break;
 76: 
 77:             case 'info':
 78:                 $info = explode(':', $line, 2);
 79:                 $info[1] = ltrim($info[1]);
 80: 
 81:                 switch ($info[0]) {
 82:                 case 'Date':
 83:                     $d = new DateTime($info[1]);
 84:                     $this->_patchsets[$id]['date'] = $d->format('U');
 85:                     break;
 86: 
 87:                 case 'Author':
 88:                     $this->_patchsets[$id]['author'] = $info[1];
 89:                     break;
 90: 
 91:                 case 'Branch':
 92:                     $this->_patchsets[$id]['branches'] = ($info[1] == 'HEAD')
 93:                         ? array()
 94:                         : array($info[1]);
 95:                     break;
 96: 
 97:                 case 'Tag':
 98:                     $this->_patchsets[$id]['tags'] = ($info[1] == '(none)')
 99:                         ? array()
100:                         : array($info[1]);
101:                     break;
102: 
103:                 case 'Log':
104:                     $state = 'log';
105:                     $this->_patchsets[$id]['log'] = '';
106:                     break;
107:                 }
108:                 break;
109: 
110:             case 'log':
111:                 if ($line == 'Members:') {
112:                     $state = 'members';
113:                     $this->_patchsets[$id]['log'] = rtrim($this->_patchsets[$id]['log']);
114:                     $this->_patchsets[$id]['members'] = array();
115:                 } else {
116:                     $this->_patchsets[$id]['log'] .= $line . "\n";
117:                 }
118:                 break;
119: 
120:             case 'members':
121:                 if (!empty($line)) {
122:                     $parts = explode(':', $line);
123:                     list($from, $to) = explode('->', $parts[1], 2);
124:                     $status = Horde_Vcs_Patchset::MODIFIED;
125: 
126:                     if ($from == 'INITIAL') {
127:                         $from = null;
128:                         $status = Horde_Vcs_Patchset::ADDED;
129:                     } elseif (substr($to, -6) == '(DEAD)') {
130:                         $to = null;
131:                         $status = Horde_Vcs_Patchset::DELETED;
132:                     }
133: 
134:                     $this->_patchsets[$id]['members'][] = array(
135:                         'file' => $parts[0],
136:                         'from' => $from,
137:                         'status' => $status,
138:                         'to' => $to
139:                     );
140:                 }
141:                 break;
142:             }
143:         }
144:     }
145: }