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<?php |
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namespace Robo\Common; |
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use Robo\Result; |
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use Symfony\Component\Process\ExecutableFinder; |
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use Symfony\Component\Process\Process; |
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/** |
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* This task is supposed to be executed as shell command. |
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* You can specify working directory and if output is printed. |
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*/ |
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trait ExecCommand |
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{ |
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use ExecTrait; |
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/** |
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* @var \Robo\Common\TimeKeeper |
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*/ |
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protected $execTimer; |
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/** |
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* @return \Robo\Common\TimeKeeper |
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*/ |
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protected function getExecTimer() |
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{ |
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if (!isset($this->execTimer)) { |
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$this->execTimer = new TimeKeeper(); |
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} |
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return $this->execTimer; |
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} |
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/** |
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* Look for a "{$cmd}.phar" in the current working |
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* directory; return a string to exec it if it is |
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* found. Otherwise, look for an executable command |
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* of the same name via findExecutable. |
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* |
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* @param string $cmd |
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* |
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* @return bool|string |
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*/ |
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protected function findExecutablePhar($cmd) |
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{ |
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if (file_exists("{$cmd}.phar")) { |
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return "php {$cmd}.phar"; |
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} |
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return $this->findExecutable($cmd); |
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} |
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/** |
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* Return the best path to the executable program |
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* with the provided name. Favor vendor/bin in the |
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* current project. If not found there, use |
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* whatever is on the $PATH. |
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* |
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* @param string $cmd |
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* |
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* @return bool|string |
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*/ |
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protected function findExecutable($cmd) |
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{ |
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$pathToCmd = $this->searchForExecutable($cmd); |
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if ($pathToCmd) { |
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return $this->useCallOnWindows($pathToCmd); |
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} |
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return false; |
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} |
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/** |
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* @param string $cmd |
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* |
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* @return string |
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*/ |
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private function searchForExecutable($cmd) |
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{ |
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$projectBin = $this->findProjectBin(); |
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$localComposerInstallation = $projectBin . DIRECTORY_SEPARATOR . $cmd; |
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if (file_exists($localComposerInstallation)) { |
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return $localComposerInstallation; |
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} |
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$finder = new ExecutableFinder(); |
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return $finder->find($cmd, null, []); |
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} |
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/** |
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* @return bool|string |
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*/ |
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protected function findProjectBin() |
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{ |
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$cwd = getcwd(); |
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$candidates = [ __DIR__ . '/../../vendor/bin', __DIR__ . '/../../bin', $cwd . '/vendor/bin' ]; |
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// If this project is inside a vendor directory, give highest priority |
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// to that directory. |
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$vendorDirContainingUs = realpath(__DIR__ . '/../../../..'); |
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if (is_dir($vendorDirContainingUs) && (basename($vendorDirContainingUs) == 'vendor')) { |
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array_unshift($candidates, $vendorDirContainingUs . '/bin'); |
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} |
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foreach ($candidates as $dir) { |
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if (is_dir("$dir")) { |
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return realpath($dir); |
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} |
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} |
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return false; |
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} |
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/** |
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* Wrap Windows executables in 'call' per 7a88757d |
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* |
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* @param string $cmd |
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* |
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* @return string |
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*/ |
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protected function useCallOnWindows($cmd) |
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{ |
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if (defined('PHP_WINDOWS_VERSION_BUILD')) { |
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if (file_exists("{$cmd}.bat")) { |
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$cmd = "{$cmd}.bat"; |
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} |
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return "call $cmd"; |
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} |
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return $cmd; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getCommandDescription() |
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{ |
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return $this->process->getCommandLine(); |
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} |
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/** |
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* @param string $command |
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* |
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* @return \Robo\Result |
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*/ |
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protected function executeCommand($command) |
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{ |
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// TODO: Symfony 4 requires that we supply the working directory. |
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$result_data = $this->execute(Process::fromShellCommandline($command, getcwd())); |
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return new Result( |
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$this, |
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$result_data->getExitCode(), |
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$result_data->getMessage(), |
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$result_data->getData() |
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); |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: