Merge branch '2.4'

src/Composer/Command/RemoveCommand.php

@@ -53,7 +53,7 @@ class RemoveCommand extends BaseCommand
                 new InputOption('no-audit', null, InputOption::VALUE_NONE, 'Skip the audit step after updating the composer.lock file (can also be set via the COMPOSER_NO_AUDIT=1 env var).'),
                 new InputOption('audit-format', null, InputOption::VALUE_REQUIRED, 'Audit output format. Must be "table", "plain", "json", or "summary".', Auditor::FORMAT_SUMMARY, Auditor::FORMATS),
                 new InputOption('update-no-dev', null, InputOption::VALUE_NONE, 'Run the dependency update with the --no-dev option.'),
-                new InputOption('update-with-dependencies', 'w', InputOption::VALUE_NONE, 'Allows inherited dependencies to be updated with explicit dependencies. (Deprecrated, is now default behavior)'),
+                new InputOption('update-with-dependencies', 'w', InputOption::VALUE_NONE, 'Allows inherited dependencies to be updated with explicit dependencies. (Deprecated, is now default behavior)'),
                 new InputOption('update-with-all-dependencies', 'W', InputOption::VALUE_NONE, 'Allows all inherited dependencies to be updated, including those that are root requirements.'),
                 new InputOption('with-all-dependencies', null, InputOption::VALUE_NONE, 'Alias for --update-with-all-dependencies'),
                 new InputOption('no-update-with-dependencies', null, InputOption::VALUE_NONE, 'Does not allow inherited dependencies to be updated with explicit dependencies.'),

src/Composer/Command/RequireCommand.php

@@ -233,19 +233,26 @@ EOT
                 }
 
                 $pkg = PackageSorter::getMostCurrentVersion($this->getRepos()->findPackages($name));
-                if ($pkg instanceof CompletePackageInterface && count(array_intersect($devTags, array_map('strtolower', $pkg->getKeywords()))) > 0) {
-                    $devPackages[] = $name;
+                if ($pkg instanceof CompletePackageInterface) {
+                    $pkgDevTags = array_intersect($devTags, array_map('strtolower', $pkg->getKeywords()));
+                    if (count($pkgDevTags) > 0) {
+                        $devPackages[] = $pkgDevTags;
+                    }
                 }
             }
 
             if (count($devPackages) === count($requirements)) {
                 $plural = count($requirements) > 1 ? 's' : '';
                 $plural2 = count($requirements) > 1 ? 'are' : 'is';
-                $io->warning('The package'.$plural.' you required '.$plural2.' recommended to be placed in require-dev but you did not use --dev.');
+                $plural3 = count($requirements) > 1 ? 'they are' : 'it is';
+                $pkgDevTags = array_unique(array_merge(...$devPackages));
+                $io->warning('The package'.$plural.' you required '.$plural2.' recommended to be placed in require-dev (because '.$plural3.' tagged as "'.implode('", "', $pkgDevTags).'") but you did not use --dev.');
                 if ($io->askConfirmation('<info>Do you want to re-run the command with --dev?</> [<comment>yes</>]? ')) {
                     $input->setOption('dev', true);
                 }
             }
+
+            unset($devPackages, $pkgDevTags);
         }
 
         $requireKey = $input->getOption('dev') ? 'require-dev' : 'require';

src/Composer/Command/ShowCommand.php

@@ -677,7 +677,12 @@ EOT
      */
     protected function getRootRequires(): array
     {
-        $rootPackage = $this->requireComposer()->getPackage();
+        $composer = $this->tryComposer();
+        if ($composer === null) {
+            return [];
+        }
+
+        $rootPackage = $composer->getPackage();
 
         return array_map(
             'strtolower',

src/Composer/DependencyResolver/RuleSetGenerator.php

@@ -223,7 +223,7 @@ class RuleSetGenerator
                 if ($platformRequirementFilter->isIgnored($link->getTarget())) {
                     continue;
                 } elseif ($platformRequirementFilter instanceof IgnoreListPlatformRequirementFilter) {
-                    $constraint = $platformRequirementFilter->filterConstraint($link->getTarget(), $constraint);
+                    $constraint = $platformRequirementFilter->filterConstraint($link->getTarget(), $constraint, false);
                 }
 
                 $conflicts = $this->pool->whatProvides($link->getTarget(), $constraint);

src/Composer/Filter/PlatformRequirementFilter/IgnoreListPlatformRequirementFilter.php

@@ -60,13 +60,16 @@ final class IgnoreListPlatformRequirementFilter implements PlatformRequirementFi
         return Preg::isMatch($this->ignoreRegex, $req);
     }
 
-    public function filterConstraint(string $req, ConstraintInterface $constraint): ConstraintInterface
+    /**
+     * @param bool $allowUpperBoundOverride For conflicts we do not want the upper bound to be skipped
+     */
+    public function filterConstraint(string $req, ConstraintInterface $constraint, bool $allowUpperBoundOverride = true): ConstraintInterface
     {
         if (!PlatformRepository::isPlatformPackage($req)) {
             return $constraint;
         }
 
-        if (!Preg::isMatch($this->ignoreUpperBoundRegex, $req)) {
+        if (!$allowUpperBoundOverride || !Preg::isMatch($this->ignoreUpperBoundRegex, $req)) {
             return $constraint;
         }
 

tests/Composer/Test/Command/ShowCommandTest.php

@@ -192,6 +192,20 @@ outdated/patch 1.0.0 <highlight>! 1.0.1</highlight>',
         }
     }
 
+    public function testShowPlatformWorksWithoutComposerJson(): void
+    {
+        $this->initTempComposer([]);
+        unlink('./composer.json');
+        unlink('./auth.json');
+
+        $appTester = $this->getApplicationTester();
+        $appTester->run(['command' => 'show', '-p' => true]);
+        $output = trim($appTester->getDisplay(true));
+        foreach (Regex::matchAll('{^(\w+)}m', $output)->matches as $m) {
+            self::assertTrue(PlatformRepository::isPlatformPackage((string) $m[1]));
+        }
+    }
+
     public function testOutdatedWithZeroMajor(): void
     {
         $this->initTempComposer([

tests/Composer/Test/Fixtures/installer/update-ignore-platform-package-requirement-list-upper-bounds.test

@@ -7,13 +7,15 @@ Update with ignore-platform-req list ignoring upper bound of a dependency
             "type": "package",
             "package": [
                 { "name": "a/a", "version": "1.0.1", "require": { "ext-foo-bar": "3.*" } },
-                { "name": "b/b", "version": "1.0.1", "require": { "ext-foo-bar": "10.*" } }
+                { "name": "b/b", "version": "1.0.1", "require": { "ext-foo-bar": "10.*" } },
+                { "name": "c/c", "version": "1.0.1", "conflict": { "ext-foo-bar": "4.0.0 - 4.0.2", "php": "3.0.*" } }
             ]
         }
     ],
     "require": {
         "a/a": "1.0.*",
         "b/b": "1.0.*",
+        "c/c": "1.0.*",
         "php": "^4.3",
         "ext-foo-baz": "9.0.0"
     },