Fix execution of deploy hooks inside a module with _deploy in the name.

src/Drupal/Commands/core/DeployHookCommands.php

@@ -171,9 +171,19 @@ public static function updateDoOneDeployHook(string $function, DrushBatchContext
             return;
         }
 
-        list($module, $name) = explode('_deploy_', $function, 2);
-        $filename = $module . '.deploy';
-        \Drupal::moduleHandler()->loadInclude($module, 'php', $filename);
+        // Module names can include '_deploy', so deploy functions like
+        // module_deploy_deploy_name() are ambiguous. Check every occurrence.
+        $components = explode('_', $function);
+        foreach (array_keys($components, 'deploy', TRUE) as $position) {
+            $module = implode('_', array_slice($components, 0, $position));
+            $name = implode('_', array_slice($components, $position + 1));
+            $filename = $module . '.deploy';
+            \Drupal::moduleHandler()->loadInclude($module, 'php', $filename);
+            if (function_exists($function)) {
+                break;
+            }
+        }
+
         if (function_exists($function)) {
             if (empty($context['results'][$module][$name]['type'])) {
                 Drush::logger()->notice("Deploy hook started: $function");

tests/fixtures/modules/woot_deploy/woot_deploy.deploy.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This is a NAME.deploy.php file. It contains "deploy" functions. These are
+ * one-time functions that run *after* config is imported during a deployment.
+ * These are a higher level alternative to hook_update_n and hook_post_update_NAME
+ * functions. See https://www.drush.org/latest/deploycommand/#authoring-update-functions
+ * for a detailed comparison.
+ */
+
+/**
+ * Deploy hook in module containing _deploy.
+ */
+function woot_deploy_deploy_function()
+{
+    return 'This is the update message from ' . __FUNCTION__;
+}

tests/fixtures/modules/woot_deploy/woot_deploy.info.yml

@@ -0,0 +1,5 @@
+name: Woot Deploy
+type: module
+description: Deploys Mightily.
+core_version_requirement: ^9 || ^10
+package: Other

tests/functional/DeployHookTest.php

@@ -94,4 +94,22 @@ public function testSkipDeployHooks()
         $this->drush('deploy:hook-status', [], $options, null, null, self::EXIT_SUCCESS);
         $this->assertStringContainsString('[]', $this->getOutput());
     }
+
+    public function testDeployHooksInModuleWithDeployInName()
+    {
+        $this->setUpDrupal(1, true);
+        $options = [
+            'yes' => null,
+        ];
+        $this->setupModulesForTests(['woot_deploy'], Path::join(__DIR__, '/../fixtures/modules'));
+        $this->drush('pm-install', ['woot_deploy'], $options);
+
+        // Run deploy hooks.
+        $this->drush('deploy:hook', [], $options, null, null, self::EXIT_SUCCESS);
+
+        $this->assertStringContainsString('[notice] Deploy hook started: woot_deploy_deploy_function', $this->getErrorOutput());
+        $this->assertStringContainsString('[notice] This is the update message from woot_deploy_deploy_function', $this->getErrorOutput());
+        $this->assertStringContainsString('[notice] Performed: woot_deploy_deploy_function', $this->getErrorOutput());
+        $this->assertStringContainsString('[success] Finished performing deploy hooks.', $this->getErrorOutput());
+    }
 }