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vendor/doctrine/migrations/lib/Doctrine/Migrations/Rollup.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Migrations;
+
+use Doctrine\Migrations\Exception\RollupFailed;
+use Doctrine\Migrations\Metadata\Storage\MetadataStorage;
+use Doctrine\Migrations\Version\ExecutionResult;
+use Doctrine\Migrations\Version\Version;
+
+use function count;
+
+/**
+ * The Rollup class is responsible for deleting all previously executed migrations from the versions table
+ * and marking the freshly dumped schema migration (that was created with SchemaDumper) as migrated.
+ *
+ * @internal
+ */
+class Rollup
+{
+    public function __construct(
+        private readonly MetadataStorage $metadataStorage,
+        private readonly MigrationsRepository $migrationRepository,
+    ) {
+    }
+
+    /** @throws RollupFailed */
+    public function rollup(): Version
+    {
+        $versions = $this->migrationRepository->getMigrations();
+
+        if (count($versions) === 0) {
+            throw RollupFailed::noMigrationsFound();
+        }
+
+        if (count($versions) > 1) {
+            throw RollupFailed::tooManyMigrations();
+        }
+
+        $this->metadataStorage->reset();
+
+        $result = new ExecutionResult($versions->getItems()[0]->getVersion());
+        $this->metadataStorage->complete($result);
+
+        return $result->getVersion();
+    }
+}