Suggest running 'require' not 'update' if a root req fails to update (#11691)

Author: fredden

src/Composer/Command/BaseDependencyCommand.php

@@ -152,7 +152,23 @@ protected function doExecute(InputInterface $input, OutputInterface $output, boo
         }
 
         if ($inverted && $input->hasArgument(self::ARGUMENT_CONSTRAINT)) {
-            $this->getIO()->writeError('Not finding what you were looking for? Try calling `composer update "'.$input->getArgument(self::ARGUMENT_PACKAGE).':'.$input->getArgument(self::ARGUMENT_CONSTRAINT).'" --dry-run` to get another view on the problem.');
+            $composerCommand = 'update';
+
+            foreach ($composer->getPackage()->getRequires() as $rootRequirement) {
+                if ($rootRequirement->getTarget() === $needle) {
+                    $composerCommand = 'require';
+                    break;
+                }
+            }
+
+            foreach ($composer->getPackage()->getDevRequires() as $rootRequirement) {
+                if ($rootRequirement->getTarget() === $needle) {
+                    $composerCommand = 'require --dev';
+                    break;
+                }
+            }
+
+            $this->getIO()->writeError('Not finding what you were looking for? Try calling `composer '.$composerCommand.' "'.$needle.':'.$textConstraint.'" --dry-run` to get another view on the problem.');
         }
 
         return 0;

tests/Composer/Test/Command/BaseDependencyCommandTest.php

@@ -396,11 +396,11 @@ public function testWhyNotCommandOutputs(array $parameters, string $expectedOutp
        $secondDevNestedRequiredPackage = self::getPackage('vendor2/package3', '1.4.0');
 
         $this->createComposerLock(
-            [$someRequiredPackage], 
+            [$someRequiredPackage],
             [$firstDevRequiredPackage, $secondDevRequiredPackage]
         );
         $this->createInstalledJson(
-            [$someRequiredPackage], 
+            [$someRequiredPackage],
             [$firstDevRequiredPackage, $secondDevRequiredPackage, $secondDevNestedRequiredPackage]
         );
 
@@ -425,7 +425,7 @@ public function caseWhyNotProvider(): Generator
             <<<OUTPUT
 Package "vendor1/package1" could not be found with constraint "3.*", results below will most likely be incomplete.
 __root__ - requires vendor1/package1 (1.*) 
-Not finding what you were looking for? Try calling `composer update "vendor1/package1:3.*" --dry-run` to get another view on the problem.
+Not finding what you were looking for? Try calling `composer require "vendor1/package1:3.*" --dry-run` to get another view on the problem.
 OUTPUT
         ];
 
@@ -434,15 +434,15 @@ public function caseWhyNotProvider(): Generator
             <<<OUTPUT
 Package "vendor1/package1" could not be found with constraint "^1.4", results below will most likely be incomplete.
 There is no installed package depending on "vendor1/package1" in versions not matching ^1.4
-Not finding what you were looking for? Try calling `composer update "vendor1/package1:^1.4" --dry-run` to get another view on the problem.
+Not finding what you were looking for? Try calling `composer require "vendor1/package1:^1.4" --dry-run` to get another view on the problem.
 OUTPUT
         ];
 
         yield 'there is no installed package depending on the package in versions not matching a specific version' => [
             ['package' => 'vendor1/package1', 'version' => '^1.3'],
             <<<OUTPUT
 There is no installed package depending on "vendor1/package1" in versions not matching ^1.3
-Not finding what you were looking for? Try calling `composer update "vendor1/package1:^1.3" --dry-run` to get another view on the problem.
+Not finding what you were looking for? Try calling `composer require "vendor1/package1:^1.3" --dry-run` to get another view on the problem.
 OUTPUT
         ];