first commit

vendor/psy/psysh/bin/psysh

@@ -0,0 +1,148 @@
+#!/usr/bin/env php
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2023 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+// Try to find an autoloader for a local psysh version.
+// We'll wrap this whole mess in a Closure so it doesn't leak any globals.
+call_user_func(function () {
+    $cwd = null;
+
+    // Find the cwd arg (if present)
+    $argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
+    foreach ($argv as $i => $arg) {
+        if ($arg === '--cwd') {
+            if ($i >= count($argv) - 1) {
+                fwrite(STDERR, 'Missing --cwd argument.' . PHP_EOL);
+                exit(1);
+            }
+            $cwd = $argv[$i + 1];
+            break;
+        }
+
+        if (preg_match('/^--cwd=/', $arg)) {
+            $cwd = substr($arg, 6);
+            break;
+        }
+    }
+
+    // Or fall back to the actual cwd
+    if (!isset($cwd)) {
+        $cwd = getcwd();
+    }
+
+    $cwd = str_replace('\\', '/', $cwd);
+
+    $chunks = explode('/', $cwd);
+    while (!empty($chunks)) {
+        $path = implode('/', $chunks);
+        $prettyPath = $path;
+        if (isset($_SERVER['HOME']) && $_SERVER['HOME']) {
+            $prettyPath = preg_replace('/^' . preg_quote($_SERVER['HOME'], '/') . '/', '~', $path);
+        }
+
+        // Find composer.json
+        if (is_file($path . '/composer.json')) {
+            if ($cfg = json_decode(file_get_contents($path . '/composer.json'), true)) {
+                if (isset($cfg['name']) && $cfg['name'] === 'psy/psysh') {
+                    // We're inside the psysh project. Let's use the local Composer autoload.
+                    if (is_file($path . '/vendor/autoload.php')) {
+                        if (realpath($path) !== realpath(__DIR__ . '/..')) {
+                            fwrite(STDERR, 'Using local PsySH version at ' . $prettyPath . PHP_EOL);
+                        }
+
+                        require $path . '/vendor/autoload.php';
+                    }
+
+                    return;
+                }
+            }
+        }
+
+        // Or a composer.lock
+        if (is_file($path . '/composer.lock')) {
+            if ($cfg = json_decode(file_get_contents($path . '/composer.lock'), true)) {
+                foreach (array_merge($cfg['packages'], $cfg['packages-dev']) as $pkg) {
+                    if (isset($pkg['name']) && $pkg['name'] === 'psy/psysh') {
+                        // We're inside a project which requires psysh. We'll use the local Composer autoload.
+                        if (is_file($path . '/vendor/autoload.php')) {
+                            if (realpath($path . '/vendor') !== realpath(__DIR__ . '/../../..')) {
+                                fwrite(STDERR, 'Using local PsySH version at ' . $prettyPath . PHP_EOL);
+                            }
+
+                            require $path . '/vendor/autoload.php';
+                        }
+
+                        return;
+                    }
+                }
+            }
+        }
+
+        array_pop($chunks);
+    }
+});
+
+// We didn't find an autoloader for a local version, so use the autoloader that
+// came with this script.
+if (!class_exists('Psy\Shell')) {
+/* <<< */
+    if (is_file(__DIR__ . '/../vendor/autoload.php')) {
+        require __DIR__ . '/../vendor/autoload.php';
+    } elseif (is_file(__DIR__ . '/../../../autoload.php')) {
+        require __DIR__ . '/../../../autoload.php';
+    } else {
+        fwrite(STDERR, 'PsySH dependencies not found, be sure to run `composer install`.' . PHP_EOL);
+        fwrite(STDERR, 'See https://getcomposer.org to get Composer.' . PHP_EOL);
+        exit(1);
+    }
+/* >>> */
+}
+
+// If the psysh binary was included directly, assume they just wanted an
+// autoloader and bail early.
+//
+// Keep this PHP 5.3 and 5.4 code around for a while in case someone is using a
+// globally installed psysh as a bin launcher for older local versions.
+if (version_compare(PHP_VERSION, '5.3.6', '<')) {
+    $trace = debug_backtrace();
+} elseif (version_compare(PHP_VERSION, '5.4.0', '<')) {
+    $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+} else {
+    $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
+}
+
+if (Psy\Shell::isIncluded($trace)) {
+    unset($trace);
+
+    return;
+}
+
+// Clean up after ourselves.
+unset($trace);
+
+// If the local version is too old, we can't do this
+if (!function_exists('Psy\bin')) {
+    $argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
+    $first = array_shift($argv);
+    if (preg_match('/php(\.exe)?$/', $first)) {
+        array_shift($argv);
+    }
+    array_unshift($argv, 'vendor/bin/psysh');
+
+    fwrite(STDERR, 'A local PsySH dependency was found, but it cannot be loaded. Please update to' . PHP_EOL);
+    fwrite(STDERR, 'the latest version, or run the local copy directly, e.g.:' . PHP_EOL);
+    fwrite(STDERR, PHP_EOL);
+    fwrite(STDERR, '    ' . implode(' ', $argv) . PHP_EOL);
+    exit(1);
+}
+
+// And go!
+call_user_func(Psy\bin());