From d3dce321e06503af617bcbf2fa08f1cb756834a1 Mon Sep 17 00:00:00 2001
From: Allan Chappell <generalredneck@gmail.com>
Date: Fri, 12 Apr 2024 15:30:33 -0500
Subject: [PATCH] adding diff command for remote exporting

---
 src/Commands/config/ConfigExportCommands.php | 25 ++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/Commands/config/ConfigExportCommands.php b/src/Commands/config/ConfigExportCommands.php
index 50b2684310..defcc94b8b 100644
--- a/src/Commands/config/ConfigExportCommands.php
+++ b/src/Commands/config/ConfigExportCommands.php
@@ -215,4 +215,29 @@ public function validate($commandData): void
             }
         }
     }
+
+    /**
+     * Display a diff of the active configuration set versus what's on disk.
+     *
+     * @command config:diff
+     *
+     * @usage drush config:diff
+     *   Display a diff of the active configuration set versus what's on disk.
+     */
+    public function diff(): string
+    {
+        $diff = '';
+        $destination_dir = ConfigCommands::getDirectory();
+        $sync_directory = Settings::get('config_sync_directory');
+        // Prepare the configuration storage for the export.
+        if ($sync_directory !== null && $destination_dir == Path::canonicalize($sync_directory)) {
+            $target_storage = $this->getConfigStorageSync();
+            $config_comparer = new StorageComparer($this->getConfigStorageExport(), $target_storage, $this->getConfigManager());
+            if ($config_comparer->createChangelist()->hasChanges()) {
+                $diff = ConfigCommands::getDiff($target_storage, $this->getConfigStorageExport(), $this->output());
+                $diff = preg_replace("/\033\[[^m]*m/", '', $diff);
+            }
+        }
+        return $diff;
+    }
 }