Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / vendor / drush / drush / src / Preflight / RedispatchToSiteLocal.php

diff --git a/vendor/drush/drush/src/Preflight/RedispatchToSiteLocal.php b/vendor/drush/drush/src/Preflight/RedispatchToSiteLocal.php
new file mode 100644 (file)
index 0000000..4cf3052
--- /dev/null
+++ b/vendor/drush/drush/src/Preflight/RedispatchToSiteLocal.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Drush\Preflight;
+
+use Webmozart\PathUtil\Path;
+
+/**
+ * RedispatchToSiteLocal forces an `exec` to the site-local Drush if it
+ * exist.  We must do this super-early, before loading Drupal's autoload
+ * file.  If we do not, we will crash unless the site-local Drush and the
+ * global Drush are using the exact same versions of all dependencies, which
+ * will rarely line up sufficiently to prevent problems.
+ */
+class RedispatchToSiteLocal
+{
+
+    /**
+     * Determine if a local redispatch is needed, and do so if it is.
+     *
+     * @param array $argv The commandline arguments
+     * @param string $root The selected site root or false if none
+     * @param string $vendor The path to the vendor directory
+     * @param PreflightLog $preflightLog A basic logger.
+     *
+     * @return bool
+     *   True if redispatch occurred, and was returned successfully.
+     */
+    public static function redispatchIfSiteLocalDrush($argv, $root, $vendor, PreflightLog $preflightLog)
+    {
+        // Special check for the SUT, which is always a site-local install.
+        // The symlink that Composer sets up can make it challenging to
+        // detect that the vendor directory is in the same place. Do not
+        // set DRUSH_AUTOLOAD_PHP unless you know what you are doing! This
+        // mechanism should be reserved for use with test fixtures.
+        if (getenv('DRUSH_AUTOLOAD_PHP')) {
+            return false;
+        }
+
+        // Try to find the site-local Drush. If there is none, we are done.
+        $siteLocalDrush = static::findSiteLocalDrush($root);
+        if (!$siteLocalDrush) {
+            return false;
+        }
+
+        // If the site-local Drush is us, then we do not need to redispatch.
+        if (Path::isBasePath($vendor, $siteLocalDrush)) {
+            return false;
+        }
+
+        // Do another special check to detect symlinked Drush folder similar
+        // to what the SUT sets up for Drush functional tests.
+        if (dirname($vendor) == dirname($siteLocalDrush)) {
+            return false;
+        }
+
+        // Redispatch!
+        $command = $siteLocalDrush;
+        $preflightLog->log(dt('Redispatch to site-local Drush: !cmd.', ['!cmd' => $command]));
+        array_shift($argv);
+        $args = array_map(
+            function ($item) {
+                return escapeshellarg($item);
+            },
+            $argv
+        );
+        $command .= ' ' . implode(' ', $args);
+        passthru($command, $status);
+        return $status;
+    }
+
+    /**
+     * Find a site-local Drush, if there is one in the selected site's
+     * vendor directory.
+     *
+     * @param string $root The selected site root
+     */
+    protected static function findSiteLocalDrush($root)
+    {
+        $candidates = [
+            "$root/vendor/drush/drush/drush",
+            dirname($root) . '/vendor/drush/drush/drush',
+        ];
+        foreach ($candidates as $candidate) {
+            if (file_exists($candidate)) {
+                return $candidate;
+            }
+        }
+    }
+}