allow setting patches file location through --patches-file option (fixes #25)

composer.json

@@ -17,7 +17,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.5",
-        "rector/rector": "^0.18.13",
+        "rector/rector": "^1.2.5",
         "phpstan/phpstan": "^1.10.50",
         "symplify/easy-coding-standard": "^12.0",
         "symplify/phpstan-extensions": "^11.1",

src/Command/GenerateCommand.php

@@ -7,6 +7,7 @@
 use Nette\Utils\FileSystem;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symplify\VendorPatches\Composer\ComposerPatchesConfigurationUpdater;
@@ -18,6 +19,8 @@
 
 final class GenerateCommand extends Command
 {
+    private const PATCHES_FILE_OPTION = 'patches-file';
+
     public function __construct(
         private readonly OldToNewFilesFinder $oldToNewFilesFinder,
         private readonly PatchDiffer $patchDiffer,
@@ -33,6 +36,12 @@ protected function configure(): void
     {
         $this->setName('generate');
         $this->setDescription('Generate patches from /vendor directory');
+        $this->addOption(
+            self::PATCHES_FILE_OPTION,
+            null,
+            InputOption::VALUE_OPTIONAL,
+            'Path to the patches file, relative to project root'
+        );
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): int
@@ -76,10 +85,19 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         }
 
         if ($composerExtraPatches !== []) {
-            $this->composerPatchesConfigurationUpdater->updateComposerJsonAndPrint(
-                getcwd() . '/composer.json',
-                $composerExtraPatches
-            );
+            $patchesFilePath = $input->getOption(self::PATCHES_FILE_OPTION);
+
+            if (is_string($patchesFilePath)) {
+                $this->composerPatchesConfigurationUpdater->updatePatchesFileJsonAndPrint(
+                    FileSystem::joinPaths(getcwd(), $patchesFilePath),
+                    $composerExtraPatches
+                );
+            } else {
+                $this->composerPatchesConfigurationUpdater->updateComposerJsonAndPrint(
+                    getcwd() . '/composer.json',
+                    $composerExtraPatches
+                );
+            }
         }
 
         if ($addedPatchFilesByPackageName !== []) {

src/Composer/ComposerPatchesConfigurationUpdater.php

@@ -18,6 +18,21 @@ public function __construct(
     ) {
     }
 
+    /**
+     * @api
+     * @param mixed[] $composerExtraPatches
+     * @return mixed[]
+     */
+    public function updatePatchesFileJson(string $patchesFilePath, array $composerExtraPatches): array
+    {
+        $patchesFileContents = FileSystem::read($patchesFilePath);
+        $patchesFileJson = Json::decode($patchesFileContents, Json::FORCE_ARRAY);
+
+        return $this->parametersMerger->merge($patchesFileJson, [
+            'patches' => $composerExtraPatches,
+        ]);
+    }
+
     /**
      * @api
      * @param mixed[] $composerExtraPatches
@@ -54,6 +69,17 @@ public function updateComposerJsonAndPrint(string $composerJsonFilePath, array $
 
         // print composer.json
         $composerJsonFileContents = Json::encode($composerJson, Json::PRETTY);
-        FileSystem::write($composerJsonFilePath, $composerJsonFileContents);
+        FileSystem::write($composerJsonFilePath, $composerJsonFileContents, null);
+    }
+
+    /**
+     * @param mixed[] $composerExtraPatches
+     */
+    public function updatePatchesFileJsonAndPrint(string $patchesFilePath, array $composerExtraPatches): void
+    {
+        $patchesFileJson = $this->updatePatchesFileJson($patchesFilePath, $composerExtraPatches);
+
+        $patchesFileContents = Json::encode($patchesFileJson, Json::PRETTY);
+        FileSystem::write($patchesFilePath, $patchesFileContents, null);
     }
 }

tests/Composer/ComposerPatchesConfigurationUpdater/ComposerPatchesConfigurationUpdaterTest.php

@@ -9,12 +9,12 @@
 
 final class ComposerPatchesConfigurationUpdaterTest extends AbstractTestCase
 {
-    public function test(): void
+    public function testComposerJson(): void
     {
         $composerPatchesConfigurationUpdater = $this->make(ComposerPatchesConfigurationUpdater::class);
 
         $composerJson = $composerPatchesConfigurationUpdater->updateComposerJson(
-            __DIR__ . '/Fixture/already_has_patches.json',
+            __DIR__ . '/Fixture/composer.already_has_patches.json',
             [
                 'some_package' => ['some.patch'],
             ]
@@ -27,4 +27,23 @@ public function test(): void
             ],
         ], $composerJson['extra']);
     }
+
+    public function testPatchesFile(): void
+    {
+        $composerPatchesConfigurationUpdater = $this->make(ComposerPatchesConfigurationUpdater::class);
+
+        $patchesFileJson = $composerPatchesConfigurationUpdater->updatePatchesFileJson(
+            __DIR__ . '/Fixture/patches_file.already_has_patches.json',
+            [
+                'some_package' => ['some.patch'],
+            ]
+        );
+
+        $this->assertSame([
+            'patches' => [
+                'some_package' => ['some.patch'],
+                'symfony/console' => ['patches/symfony-console-style-symfonystyle-php.patch'],
+            ],
+        ], $patchesFileJson);
+    }
 }

tests/Composer/ComposerPatchesConfigurationUpdater/Fixture/patches_file.already_has_patches.json

@@ -0,0 +1,7 @@
+{
+    "patches": {
+        "symfony/console": [
+            "patches/symfony-console-style-symfonystyle-php.patch"
+        ]
+    }
+}