Closes #4453

ChangeLog-9.3.md

@@ -6,6 +6,7 @@ All notable changes of the PHPUnit 9.3 release series are documented in this fil
 
 ### Fixed
 
+* [#4453](https://github.com/sebastianbergmann/phpunit/issues/4453): `--migrate-configuration` can only migrate `phpunit.xml` or `phpunit.xml.dist`
 * [#4454](https://github.com/sebastianbergmann/phpunit/issues/4454): "Migration failed" message shown when trying to migrate XML configuration file that does not need migration
 
 ## [9.3.9] - 2020-09-11

src/TextUI/Command.php

@@ -232,10 +232,6 @@ protected function handleArguments(array $argv): void
             $this->generateConfiguration();
         }
 
-        if ($arguments->hasMigrateConfiguration() && $arguments->migrateConfiguration()) {
-            $this->migrateConfiguration();
-        }
-
         if ($arguments->hasAtLeastVersion()) {
             if (version_compare(Version::id(), $arguments->atLeastVersion(), '>=')) {
                 exit(TestRunner::SUCCESS_EXIT);
@@ -324,6 +320,16 @@ protected function handleArguments(array $argv): void
             }
         }
 
+        if ($arguments->hasMigrateConfiguration() && $arguments->migrateConfiguration()) {
+            if (!isset($this->arguments['configuration'])) {
+                print 'No configuration file found to migrate.' . PHP_EOL;
+
+                exit(TestRunner::EXCEPTION_EXIT);
+            }
+
+            $this->migrateConfiguration(realpath($this->arguments['configuration']));
+        }
+
         if (isset($this->arguments['configuration'])) {
             try {
                 $this->arguments['configurationObject'] = (new Loader)->load($this->arguments['configuration']);
@@ -770,20 +776,10 @@ private function generateConfiguration(): void
         exit(TestRunner::SUCCESS_EXIT);
     }
 
-    private function migrateConfiguration(): void
+    private function migrateConfiguration(string $filename): void
     {
         $this->printVersionString();
 
-        if (file_exists('phpunit.xml')) {
-            $filename = realpath('phpunit.xml');
-        } elseif (file_exists('phpunit.xml.dist')) {
-            $filename = realpath('phpunit.xml.dist');
-        } else {
-            print 'No configuration file found in ' . getcwd() . PHP_EOL;
-
-            exit(TestRunner::EXCEPTION_EXIT);
-        }
-
         if (!(new SchemaDetector)->detect($filename)->detected()) {
             print $filename . ' does not need to be migrated.' . PHP_EOL;
 

tests/end-to-end/migration/migration-from-85-with-custom-filename.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Configuration migration from PHPUnit 8.5 format works with custom filename
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][1] = '--configuration';
+$_SERVER['argv'][2] = 'custom.xml';
+$_SERVER['argv'][3] = '--migrate-configuration';
+
+chdir(sys_get_temp_dir());
+copy(__DIR__ . '/migration-from-85/phpunit-8.5.xml', 'custom.xml');
+
+require __DIR__ . '/../../bootstrap.php';
+
+PHPUnit\TextUI\Command::main();
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Created backup:         %scustom.xml.bak
+Migrated configuration: %scustom.xml
+--CLEAN--
+<?php declare(strict_types=1);
+unlink(sys_get_temp_dir() . '/custom.xml');
+unlink(sys_get_temp_dir() . '/custom.xml.bak');