migrate-differential-dependencies.php
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	<?php

	echo pht('Migrating differential dependencies to edges...')."\n";
	$table = new DifferentialRevision();
	$table->openTransaction();

	foreach (new LiskMigrationIterator($table) as $rev) {
	$id = $rev->getID();
	echo pht('Revision %d: ', $id);

	$deps = $rev->getAttachedPHIDs(DifferentialRevisionPHIDType::TYPECONST);
	if (!$deps) {
	echo "-\n";
	continue;
	}

	$editor = new PhabricatorEdgeEditor();
	foreach ($deps as $dep) {
	$editor->addEdge(
	$rev->getPHID(),
	DifferentialRevisionDependsOnRevisionEdgeType::EDGECONST,
	$dep);
	}
	$editor->save();
	echo pht('OKAY')."\n";
	}

	$table->saveTransaction();
	echo pht('Done.')."\n";