Issue #3276072: UpdateReleaseValidator doesn't handle legacy version numbers

automatic_updates_extensions/src/Validator/UpdateReleaseValidator.php

@@ -4,6 +4,7 @@ namespace Drupal\automatic_updates_extensions\Validator;
 
 use Drupal\automatic_updates\ProjectInfo;
 use Drupal\automatic_updates_extensions\ExtensionUpdater;
+use Drupal\automatic_updates_extensions\LegacyVersionUtility;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\package_manager\Event\PreCreateEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
@@ -31,18 +32,38 @@ class UpdateReleaseValidator implements EventSubscriberInterface {
     $all_versions = $stage->getPackageVersions();
     $messages = [];
     foreach (['production', 'dev'] as $package_type) {
-      foreach ($all_versions[$package_type] as $package_name => $version) {
+      foreach ($all_versions[$package_type] as $package_name => $sematic_version) {
         $package_parts = explode('/', $package_name);
         $project_name = $package_parts[1];
         // If the version isn't in the list of installable releases, then it
         // isn't secure and supported and the user should receive an error.
         $releases = (new ProjectInfo($project_name))->getInstallableReleases();
-        if (empty($releases) || !array_key_exists($version, $releases)) {
+        $is_missing_version = FALSE;
+        if (empty($releases)) {
+          $is_missing_version = TRUE;
+        }
+        elseif (!array_key_exists($sematic_version, $releases)) {
+          $legacy_version = LegacyVersionUtility::convertToLegacyVersion($sematic_version);
+          if ($legacy_version) {
+            if (!array_key_exists($legacy_version, $releases)) {
+              // If we cannot find the version using semantic or legacy then the
+              // version is missing.
+              $is_missing_version = TRUE;
+            }
+          }
+          else {
+            // If we cannot convert the semantic version into a legacy version
+            // then the version is missing.
+            $is_missing_version = TRUE;
+          }
+        }
+        if ($is_missing_version) {
           $messages[] = $this->t('Project @project_name to version @version', [
             '@project_name' => $project_name,
-            '@version' => $version,
+            '@version' => $sematic_version,
           ]);
         }
+
       }
     }
     if ($messages) {