Check whether a shell command exists.
| public commandExists ( string $command ) : boolean | ||
| $command | string | |
| Результат | boolean | |
/**
* @throws DependencyMissingException
*
* @return string|false
*/
public function getVersion()
{
static $version;
if (!$version) {
if (!$this->shellHelper->commandExists('git')) {
throw new DependencyMissingException('Git must be installed');
}
$version = false;
$string = $this->execute(['--version'], false);
if ($string && preg_match('/(^| )([0-9]+[^ ]*)/', $string, $matches)) {
$version = $matches[2];
}
}
return $version;
}
/**
* @throws DependencyMissingException
*/
public function ensureInstalled()
{
static $installed;
if (empty($installed) && $this->getDrushExecutable() === 'drush' && !$this->shellHelper->commandExists('drush')) {
throw new DependencyMissingException('Drush is not installed');
}
$installed = true;
}
/**
* @return string
*/
protected function getTarExecutable()
{
$candidates = ['tar', 'tar.exe', 'bsdtar.exe'];
foreach ($candidates as $command) {
if ($this->shellHelper->commandExists($command)) {
return $command;
}
}
throw new \RuntimeException("Tar command not found");
}
/**
* Ensure that the Git CLI is installed.
*
* @throws DependencyMissingException
*/
public function ensureInstalled()
{
if (!$this->shellHelper->commandExists('git')) {
throw new DependencyMissingException('Git must be installed');
}
}
