function appplyPatch($patchName, $diffPath, $rev)
{
$diffData = @file_get_contents($diffPath . $patchName . '.diff');
if (!$diffData) {
return 'Could not read ' . $patchName . '.diff';
}
$diffArray = pmkpatcher::parseDiff($diffData, $this->filePath, $rev);
if (!is_array($diffArray)) {
return 'No diff data found in ' . $patchName . '.diff';
}
$diffArray = pmkpatcher::applyDiff($diffArray, $this->filePath, $rev);
if (!is_array($diffArray)) {
return $diffArray;
}
foreach ($diffArray as $diffParts) {
if (isset($diffParts['patcheddata'])) {
$content .= '<h3>' . ($rev ? 'Unpatching' : 'Patching') . ' file "' . $diffParts['destinationfile'] . '"</h3>';
$fileExt = strtolower(pathinfo($diffParts['destinationfile'], PATHINFO_EXTENSION));
if ($fileExt == 'js' && $rev && $diffParts['sourcefile'] != $diffParts['destinationfile']) {
// If unpatch is selected, and the file is a javascript file,
// Then the .src file is just copied into the destination instead of unpatching.
// Unpatching of .js files is not possible due to the minifying of the javascripts.
$patchedData = @file_get_contents($this->filePath . $diffParts['sourcefile']);
$content .= '<p>File unpatched sucessfully.</p>';
} else {
$patchedData = $diffParts['patcheddata'];
$content .= '<p>File ' . ($rev ? 'unpatched' : 'patched') . ' sucessfully.</p>';
}
if ($fileExt == 'js' && $diffParts['sourcefile'] != $diffParts['destinationfile'] && $diffParts['sourcefile'] != '/dev/null') {
// Minify data if extension is .js
$patchedData = JSMin::minify($patchedData);
}
@mkdir(dirname($this->filePath . $diffParts['destinationfile']), 0777, 1);
file_put_contents($this->filePath . $diffParts['destinationfile'], $patchedData);
} else {
// Process custom marker for adding or removing binary files
$type = $diffParts['type'];
$content .= '<h3>' . ($rev ? 'Removing' : 'Adding') . ' file "' . ($rev && $type == 'binary-file' ? $diffParts['sourcefile'] : $diffParts['destinationfile']) . '"</h3>';
if ($type == 'binary-file') {
if ($diffParts['sourcefile'] && $diffParts['destinationfile'] != '/dev/null') {
//make undo copy if file exists
if (file_exists($this->path . $diffParts['sourcefile']) || is_file($this->path . $diffParts['sourcefile'])) {
@mkdir(dirname($this->filePath . $diffParts['sourcefile']) . '/undo/', 0777, 1);
if (!@copy($this->filePath . $diffParts['destinationfile'], dirname($this->filePath . $diffParts['sourcefile']) . '/undo/' . basename($this->filePath . $diffParts['sourcefile']))) {
$content .= '<p>Failed to add undo file: ' . $diffParts['destinationfile'] . '</p>';
} else {
$content .= '<p>Undo file added sucessfully.</p>';
}
}
@mkdir(dirname($this->filePath . $diffParts['destinationfile']), 0777, 1);
if (!@copy($this->filePath . $diffParts['sourcefile'], $this->filePath . $diffParts['destinationfile'])) {
$content .= '<p>Failed to add file: ' . $diffParts['destinationfile'] . '</p>';
} else {
$content .= '<p>File added sucessfully.</p>';
}
} elseif ($diffParts['destinationfile'] == '/dev/null') {
if (!@unlink($this->filePath . $diffParts['sourcefile'])) {
$content .= '<p>Failed to remove file: ' . $diffParts['sourcefile'] . '</p>';
} else {
$content .= '<p>File removed sucessfully.</p>';
}
}
}
if (!$type) {
if ($diffParts['sourcefile'] == '/dev/null') {
if (!@unlink($this->filePath . $diffParts['destinationfile'])) {
$content .= '<p>Failed to remove file: ' . $diffParts['destinationfile'] . '</p>';
} else {
$content .= '<p>File removed sucessfully.</p>';
}
}
}
}
}
return $content;
}
