Display real "composer require" on PR comment

Author: nicolas-grekas

src/DiffRecipeVersionsCommand.php

@@ -27,7 +27,26 @@ protected function configure(): void
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
+        $packages = [];
+        $requires = [];
+
+        while (false !== $package = fgets(STDIN)) {
+            $package = substr($package, 0, -1);
+
+            $versions = scandir($package, SCANDIR_SORT_NONE);
+            usort($versions, 'version_compare');
+
+            if (!$versions = array_slice($versions, 2)) {
+                continue;
+            }
+
+            $packages[$package] = $versions;
+
+            $requires[] = escapeshellarg($package.':^'.array_pop($versions));
+        }
+
         if ($endpoint = $input->getArgument('endpoint')) {
+            $requires = implode(' ', $requires);
             $endpoint = <<<EOMD
 
 ## How to test these changes in your application
@@ -40,7 +59,11 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     SET SYMFONY_ENDPOINT={$endpoint}
     ```
 
- 2. Install the package(s) related to this recipe using `composer require`
+ 2. Install the package(s) related to this recipe:
+    ```sh
+    composer req 'symfony/flex:^1.16'
+    composer req {$requires}
+    ```
 
  3. Don't forget to unset the `SYMFONY_ENDPOINT` environment variable when done:
     ```sh
@@ -55,20 +78,15 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         $head = <<<EOMD
 Thanks for the PR 😍
-
+{$endpoint}
 ## Diff between recipe versions
 
 In order to help with the review stage, I'm in charge of computing the diff between the various versions of patched recipes.
 I'm going keep this comment up to date with any updates of the attached patch.
 
 EOMD;
 
-        while (false !== $package = fgets(STDIN)) {
-            $package = substr($package, 0, -1);
-
-            $versions = scandir($package,  SCANDIR_SORT_NONE);
-            usort($versions, 'version_compare');
-            $versions = array_slice($versions, 2);
+        foreach ($packages as $package => $versions) {
             $previousVersion = array_shift($versions);
 
             if (!$versions) {

src/GenerateFlexEndpointCommand.php

@@ -85,7 +85,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 'origin_template' => sprintf('{package}:{version}@github.com/%s:%s', $repository, $sourceBranch),
                 'recipe_template' => sprintf('https://api.github.com/repos/%s/contents/{package_dotted}.{version}.json?ref=%s', $repository, $flexBranch),
             ],
-        ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+        ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)."\n");
 
         return 0;
     }
@@ -124,6 +124,6 @@ private function generatePackageJson(string $package, string $version, array $ma
                     'ref' => $tree,
                 ],
             ],
-        ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+        ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)."\n");
     }
 }