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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * Fast Forward Development Tools for PHP projects. |
| 7 | * |
| 8 | * This file is part of fast-forward/dev-tools project. |
| 9 | * |
| 10 | * @author Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 11 | * @license https://opensource.org/licenses/MIT MIT License |
| 12 | * |
| 13 | * @see https://github.com/php-fast-forward/ |
| 14 | * @see https://github.com/php-fast-forward/dev-tools |
| 15 | * @see https://github.com/php-fast-forward/dev-tools/issues |
| 16 | * @see https://php-fast-forward.github.io/dev-tools/ |
| 17 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 18 | */ |
| 19 | |
| 20 | namespace FastForward\DevTools\Process; |
| 21 | |
| 22 | use FastForward\DevTools\Environment\EnvironmentInterface; |
| 23 | use FastForward\DevTools\Php\ExtensionInterface; |
| 24 | use Symfony\Component\Console\Output\OutputInterface; |
| 25 | use Symfony\Component\Process\Process; |
| 26 | |
| 27 | use function Safe\preg_match; |
| 28 | |
| 29 | /** |
| 30 | * Disables Xdebug for child processes unless coverage still needs it. |
| 31 | */ |
| 32 | class XdebugDisablingProcessEnvironmentConfigurator implements ProcessEnvironmentConfiguratorInterface |
| 33 | { |
| 34 | /** |
| 35 | * @var list<string> |
| 36 | */ |
| 37 | private const array COVERAGE_ARGUMENT_PATTERNS = [ |
| 38 | '--coverage', |
| 39 | '--coverage-clover', |
| 40 | '--coverage-cobertura', |
| 41 | '--coverage-crap4j', |
| 42 | '--coverage-html', |
| 43 | '--coverage-php', |
| 44 | '--coverage-text', |
| 45 | '--coverage-xml', |
| 46 | '--min-coverage', |
| 47 | ]; |
| 48 | |
| 49 | /** |
| 50 | * @param EnvironmentInterface $environment reads parent process environment variables |
| 51 | * @param ExtensionInterface $extension checks PHP extension availability |
| 52 | */ |
| 53 | public function __construct( |
| 54 | private EnvironmentInterface $environment, |
| 55 | private ExtensionInterface $extension, |
| 56 | ) {} |
| 57 | |
| 58 | /** |
| 59 | * Configures Xdebug-related environment variables for nested commands. |
| 60 | * |
| 61 | * @param Process $process the queued process that will be started |
| 62 | * @param OutputInterface $output the parent output used to infer console capabilities |
| 63 | */ |
| 64 | public function configure(Process $process, OutputInterface $output): void |
| 65 | { |
| 66 | unset($output); |
| 67 | |
| 68 | if (! $this->shouldDisableXdebug($process)) { |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | $env = $process->getEnv(); |
| 73 | |
| 74 | if (\array_key_exists('XDEBUG_MODE', $env)) { |
| 75 | return; |
| 76 | } |
| 77 | |
| 78 | $env['XDEBUG_MODE'] = 'off'; |
| 79 | $process->setEnv($env); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Determines whether Xdebug can be disabled for the child process. |
| 84 | * |
| 85 | * @param Process $process the queued process that will be started |
| 86 | * |
| 87 | * @return bool true when Xdebug should be disabled for the child process |
| 88 | */ |
| 89 | private function shouldDisableXdebug(Process $process): bool |
| 90 | { |
| 91 | if (! $this->extension->isLoaded('xdebug')) { |
| 92 | return false; |
| 93 | } |
| 94 | |
| 95 | if ($this->isTruthyEnvironmentFlag('COMPOSER_ALLOW_XDEBUG')) { |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | if (null !== $this->environment->get('XDEBUG_MODE')) { |
| 100 | return false; |
| 101 | } |
| 102 | |
| 103 | if (! $this->requiresCoverage($process)) { |
| 104 | return true; |
| 105 | } |
| 106 | |
| 107 | return $this->extension->isLoaded('pcov'); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Determines whether the child process command line requests coverage. |
| 112 | * |
| 113 | * @param Process $process the queued process that will be started |
| 114 | * |
| 115 | * @return bool true when coverage arguments are present |
| 116 | */ |
| 117 | private function requiresCoverage(Process $process): bool |
| 118 | { |
| 119 | $commandLine = $process->getCommandLine(); |
| 120 | |
| 121 | foreach (self::COVERAGE_ARGUMENT_PATTERNS as $argument) { |
| 122 | if ($this->containsCommandLineArgument($commandLine, $argument)) { |
| 123 | return true; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | return false; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Determines whether a command line contains an exact long option. |
| 132 | * |
| 133 | * @param string $commandLine the shell-escaped command line |
| 134 | * @param string $argument the long option to find |
| 135 | * |
| 136 | * @return bool true when the exact option is present |
| 137 | */ |
| 138 | private function containsCommandLineArgument(string $commandLine, string $argument): bool |
| 139 | { |
| 140 | return 1 === preg_match( |
| 141 | \sprintf('/(?:^|[\\s\'"])%s(?:=|[\\s\'"]|$)/', preg_quote($argument, '/')), |
| 142 | $commandLine |
| 143 | ); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Determines whether an environment flag is set to a truthy value. |
| 148 | * |
| 149 | * @param string $name the environment variable name |
| 150 | * |
| 151 | * @return bool true when the environment variable is truthy |
| 152 | */ |
| 153 | private function isTruthyEnvironmentFlag(string $name): bool |
| 154 | { |
| 155 | $value = $this->environment->get($name, ''); |
| 156 | |
| 157 | return null !== $value && '' !== $value && '0' !== $value; |
| 158 | } |
| 159 | } |