Display error instead of throwing exception when unable to update with temporary constraint

src/Composer/Command/UpdateCommand.php

@@ -160,7 +160,9 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $parsedConstraint = $parser->parseConstraints($constraint);
             $temporaryConstraints[$package] = $parsedConstraint;
             if (isset($rootRequirements[$package]) && !Intervals::haveIntersections($parsedConstraint, $rootRequirements[$package]->getConstraint())) {
-                throw new \InvalidArgumentException('The temporary constraint "'.$constraint.'" for "'.$package.'" must be a subset of the constraint in your composer.json ('.$rootRequirements[$package]->getPrettyConstraint().')');
+                $io->writeError('<error>The temporary constraint "'.$constraint.'" for "'.$package.'" must be a subset of the constraint in your composer.json ('.$rootRequirements[$package]->getPrettyConstraint().')</error>');
+                $io->write('<info>Run `composer require '.$package.'` or `composer require '.$package.':'.$constraint.'` instead to replace the constraint</info>');
+                return self::FAILURE;
             }
         }
 

tests/Composer/Test/Command/UpdateCommandTest.php

@@ -89,6 +89,15 @@ public static function provideUpdates(): \Generator
   Problem 1
     - Root composer.json requires root/req 1.* -> satisfiable by root/req[1.0.0].
     - root/req 1.0.0 requires dep/pkg ^1 -> found dep/pkg[1.0.0, 1.0.1, 1.0.2] but it conflicts with your temporary update constraint (dep/pkg:^2).
+OUTPUT
+        ];
+
+        yield 'update with temporary constraint failing resolution on root package' => [
+            $rootDepAndTransitiveDep,
+            ['--with' => ['root/req:^2']],
+            <<<OUTPUT
+The temporary constraint "^2" for "root/req" must be a subset of the constraint in your composer.json (1.*)
+Run `composer require root/req` or `composer require root/req:^2` instead to replace the constraint
 OUTPUT
         ];
     }