Auto-detect Github Actions CI and activate github logger accordingly

.github/workflows/mt-annotations.yaml

@@ -49,4 +49,4 @@ jobs:
             - name: Run Infection for added files only
               run: |
                   git fetch origin $GITHUB_BASE_REF
-                  php bin/infection -j2 --git-diff-lines --git-diff-base=origin/$GITHUB_BASE_REF --logger-github --ignore-msi-with-no-mutations --only-covered
+                  php bin/infection -j2 --git-diff-lines --git-diff-base=origin/$GITHUB_BASE_REF --ignore-msi-with-no-mutations --only-covered

.github/workflows/mt.yaml

@@ -11,7 +11,7 @@ on:
       - master
 
 env:
-  MIN_MSI: 71.05
+  MIN_MSI: 71.39
   MIN_COVERED_MSI: 86.78
 
 jobs:

src/Command/RunCommand.php

@@ -37,6 +37,7 @@
 
 use function extension_loaded;
 use function file_exists;
+use function getenv;
 use function implode;
 use Infection\Configuration\Configuration;
 use Infection\Configuration\Schema\SchemaConfigurationLoader;
@@ -61,8 +62,9 @@
 use InvalidArgumentException;
 use const PHP_SAPI;
 use Psr\Log\LoggerInterface;
-use function Safe\sprintf;
+use function sprintf;
 use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use function trim;
 
@@ -264,8 +266,9 @@ protected function configure(): void
             ->addOption(
                 self::OPTION_LOGGER_GITHUB,
                 null,
-                InputOption::VALUE_NONE,
-                'Log escaped Mutants as GitHub Annotations.',
+                InputOption::VALUE_OPTIONAL,
+                'Log escaped Mutants as GitHub Annotations (automatically detected on Github Actions itself, use <comment>true</comment> to force-enable or <comment>false</comment> to force-disable it).',
+                false
             )
             ->addOption(
                 self::OPTION_LOGGER_HTML,
@@ -482,7 +485,7 @@ private function createContainer(IO $io, LoggerInterface $logger): Container
             $gitDiffFilter,
             $isForGitDiffLines,
             $gitDiffBase,
-            (bool) $input->getOption(self::OPTION_LOGGER_GITHUB),
+            $this->getUseGitHubLogger($input),
             $htmlFileLogPath === '' ? Container::DEFAULT_HTML_LOGGER_PATH : $htmlFileLogPath,
             (bool) $input->getOption(self::OPTION_USE_NOOP_MUTATORS),
             (bool) $input->getOption(self::OPTION_EXECUTE_ONLY_COVERING_TEST_CASES)
@@ -606,4 +609,38 @@ private function logRunningWithDebugger(ConsoleOutput $consoleOutput): void
             $consoleOutput->logRunningWithDebugger('PCOV');
         }
     }
+
+    private function getUseGitHubLogger(InputInterface $input): ?bool
+    {
+        // on e2e environment, we don't need github logger
+        if (getenv('INFECTION_E2E_TESTS_ENV') !== false) {
+            return false;
+        }
+
+        $useGitHubLogger = $input->getOption(self::OPTION_LOGGER_GITHUB);
+        // `false` means the option was not provided at all -> user does not care and it will be auto-detected
+        // `null` means the option was provided without any argument -> user wants to enable it
+        // any string: the argument provided, but only `'true'` and `'false` are supported
+        if ($useGitHubLogger === false) {
+            return null;
+        }
+
+        if ($useGitHubLogger === null) {
+            return true;
+        }
+
+        if ($useGitHubLogger === 'true') {
+            return true;
+        }
+
+        if ($useGitHubLogger === 'false') {
+            return false;
+        }
+
+        throw new InvalidArgumentException(sprintf(
+            'Cannot pass "%s" to "--%s": only "true", "false" or no argument is supported',
+            $useGitHubLogger,
+            self::OPTION_LOGGER_GITHUB
+        ));
+    }
 }

src/Configuration/ConfigurationFactory.php

@@ -52,7 +52,9 @@
 use Infection\Mutator\MutatorParser;
 use Infection\Mutator\MutatorResolver;
 use Infection\TestFramework\TestFrameworkTypes;
+use OndraM\CiDetector\CiDetector;
 use OndraM\CiDetector\CiDetectorInterface;
+use OndraM\CiDetector\Exception\CiNotDetectedException;
 use function Safe\sprintf;
 use function sys_get_temp_dir;
 use Webmozart\Assert\Assert;
@@ -118,7 +120,7 @@ public function create(
         ?string $gitDiffFilter,
         bool $isForGitDiffLines,
         ?string $gitDiffBase,
-        bool $useGitHubLogger,
+        ?bool $useGitHubLogger,
         ?string $htmlLogFilePath,
         bool $useNoopMutators,
         bool $executeOnlyCoveringTestCases
@@ -316,8 +318,12 @@ private function retrieveFilter(string $filter, ?string $gitDiffFilter, bool $is
         return $this->gitDiffFileProvider->provide($gitDiffFilter, $baseBranch);
     }
 
-    private function retrieveLogs(Logs $logs, bool $useGitHubLogger, ?string $htmlLogFilePath): Logs
+    private function retrieveLogs(Logs $logs, ?bool $useGitHubLogger, ?string $htmlLogFilePath): Logs
     {
+        if ($useGitHubLogger === null) {
+            $useGitHubLogger = $this->detectCiGithubActions();
+        }
+
         if ($useGitHubLogger) {
             $logs->setUseGitHubAnnotationsLogger($useGitHubLogger);
         }
@@ -328,4 +334,15 @@ private function retrieveLogs(Logs $logs, bool $useGitHubLogger, ?string $htmlLo
 
         return $logs;
     }
+
+    private function detectCiGithubActions(): bool
+    {
+        try {
+            $ci = $this->ciDetector->detect();
+        } catch (CiNotDetectedException $e) {
+            return false;
+        }
+
+        return $ci->getCiName() === CiDetector::CI_GITHUB_ACTIONS;
+    }
 }

src/Container.php

@@ -169,7 +169,7 @@ final class Container
     public const DEFAULT_GIT_DIFF_FILTER = null;
     public const DEFAULT_GIT_DIFF_LINES = false;
     public const DEFAULT_GIT_DIFF_BASE = null;
-    public const DEFAULT_USE_GITHUB_LOGGER = false;
+    public const DEFAULT_USE_GITHUB_LOGGER = null;
     public const DEFAULT_HTML_LOGGER_PATH = null;
     public const DEFAULT_USE_NOOP_MUTATORS = false;
     public const DEFAULT_EXECUTE_ONLY_COVERING_TEST_CASES = false;
@@ -610,7 +610,7 @@ public function withValues(
         ?string $gitDiffFilter,
         bool $isForGitDiffLines,
         ?string $gitDiffBase,
-        bool $useGitHubLogger,
+        ?bool $useGitHubLogger,
         ?string $htmlLogFilePath,
         bool $useNoopMutators,
         bool $executeOnlyCoveringTestCases

tests/e2e_tests

@@ -23,9 +23,9 @@ do
 
     if [ -f "run_tests.bash" ]
     then
-        output="$(bash run_tests.bash)"
+        output="$(INFECTION_E2E_TESTS_ENV=1 bash run_tests.bash)"
     else
-        output="$(bash ../standard_script.bash ${1:-bin/infection})"
+        output="$(INFECTION_E2E_TESTS_ENV=1 bash ../standard_script.bash ${1:-bin/infection})"
     fi
 
     if [ $? != 0 ]