/**
* hasBinary returns true if the binary is available in any of the PATHs.
*
* @param string $binaryName
*
* @return bool
*/
public static function hasBinary($binaryName)
{
$exec = Exec::create();
if (self::isWindows()) {
// 'where.exe' uses 0 for success, 1 for failure to find
$exec->run('where.exe', '/q', $binaryName);
return $exec->getStatus() === 0;
}
// 'which' uses 0 for success, 1 for failure to find
$exec->run('which', $binaryName);
if ($exec->getStatus() === 0) {
return true;
}
// 'whereis' does not use status codes. Check for a matching line instead.
$exec->run('whereis', '-b', $binaryName);
foreach ($exec->getOutput() as $line) {
if (preg_match('/^' . preg_quote($binaryName) . ': .*$/', $line) === 1) {
return true;
}
}
return false;
}
/**
* deleteContents of a folder recursively, but not the folder itself.
*
* On Windows systems this will try to remove the read-only attribute if needed.
*
* @param string $path Path of folder whose contents will be deleted
*
* @throws \RuntimeException Thrown when something could not be deleted.
*/
public static function deleteContents($path)
{
if (!is_dir($path)) {
return;
}
/** @var \SplFileInfo[] $files */
$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::CHILD_FIRST);
foreach ($files as $fileInfo) {
if ($fileInfo->isDir()) {
if (@rmdir($fileInfo->getRealPath()) === false) {
throw new \RuntimeException(sprintf("Unable to delete child folder '%s' in '%s': %s", $fileInfo->getFilename(), $fileInfo->getPathname(), error_get_last()['message']));
}
} elseif (@unlink($fileInfo->getRealPath()) === false) {
if (OS::isWindows()) {
Exec::create('attrib', '-R', $fileInfo->getRealPath())->run();
if (@unlink($fileInfo->getPathname())) {
continue;
}
}
throw new \RuntimeException(sprintf("Unable to delete file '%s' in folder '%s': %s", $fileInfo->getFilename(), $fileInfo->getPathname(), error_get_last()['message']));
}
}
}
/**
* @return null|string
*/
private function readMercurial()
{
$hgDir = Path::combine($this->repositoryRoot, '.hg');
if (!is_dir($hgDir) || !OS::hasBinary('hg')) {
return null;
}
$hg = Exec::create('hg', '--repository', $this->repositoryRoot);
// Removes everything but the tag if distance is zero.
$hg->run('log', '-r', '.', '--template', '{latesttag}{sub(\'^-0-m.*\', \'\', \'-{latesttagdistance}-m{node|short}\')}');
$tag = Dot::get($hg->getOutput(), 0);
// Actual null if no lines were returned or `hg log` returned actual "null".
// Either way, need to fall back to the revision id.
if ($tag === null || $tag === 'null' || Strings::startsWith($tag, 'null-')) {
$hg->run('id', '-i');
$tag = Dot::get($hg->getOutput(), 0);
// Remove 'dirty' plus from revision id
$tag = rtrim($tag, '+');
}
$summary = $hg->run('summary')->getOutput();
$isDirty = 0 === count(array_filter($summary, function ($line) {
return preg_match('/^commit: .*\\(clean\\)$/', $line) === 1;
}));
if ($isDirty) {
$tag .= '-dirty';
}
return $tag;
}
