PhabricatorHunksManagementMigrateWorkflow.php
2e7f2b735702production

PhabricatorHunksManagementMigrateWorkflow.php
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			<?php

			final class PhabricatorHunksManagementMigrateWorkflow
			extends PhabricatorHunksManagementWorkflow {

			protected function didConstruct() {
			$this
			->setName('migrate')
			->setExamples('migrate')
			->setSynopsis(pht('Migrate hunks to modern storage.'))
			->setArguments(array());
			}

			public function execute(PhutilArgumentParser $args) {
			$saw_any_rows = false;
			$console = PhutilConsole::getConsole();

			$table = new DifferentialLegacyHunk();
			foreach (new LiskMigrationIterator($table) as $hunk) {
			$saw_any_rows = true;

			$id = $hunk->getID();
			$console->writeOut("%s\n", pht('Migrating hunk %d...', $id));

			$new_hunk = id(new DifferentialModernHunk())
			->setChangesetID($hunk->getChangesetID())
			->setOldOffset($hunk->getOldOffset())
			->setOldLen($hunk->getOldLen())
			->setNewOffset($hunk->getNewOffset())
			->setNewLen($hunk->getNewLen())
			->setChanges($hunk->getChanges())
			->setDateCreated($hunk->getDateCreated())
			->setDateModified($hunk->getDateModified());

			$hunk->openTransaction();
			$new_hunk->save();
			$hunk->delete();
			$hunk->saveTransaction();

			$old_len = strlen($hunk->getChanges());
			$new_len = strlen($new_hunk->getData());
			if ($old_len) {
			$diff_len = ($old_len - $new_len);
			$console->writeOut(
			"%s\n",
			pht(
			'Saved %s bytes (%s).',
			new PhutilNumber($diff_len),
			sprintf('%.1f%%', 100 * ($diff_len / $old_len))));
			}
			}

			if ($saw_any_rows) {
			$console->writeOut("%s\n", pht('Done.'));
			} else {
			$console->writeOut("%s\n", pht('No rows to migrate.'));
			}
			}

			}