DiffusionGitRawDiffQuery.php
No OneTemporary
Actions

Subscribers

None

File Metadata

	<?php

	final class DiffusionGitRawDiffQuery extends DiffusionRawDiffQuery {

	protected function executeQuery() {
	$drequest = $this->getRequest();
	$repository = $drequest->getRepository();

	$commit = $this->getAnchorCommit();

	$options = array(
	'-M',
	'-C',
	'--no-ext-diff',
	'--no-color',
	'--src-prefix=a/',
	'--dst-prefix=b/',
	'-U'.(int)$this->getLinesOfContext(),
	);
	$options = implode(' ', $options);

	$against = $this->getAgainstCommit();
	if ($against === null) {
	$against = $commit.'^';
	}

	// If there's no path, get the entire raw diff.
	$path = nonempty($drequest->getPath(), '.');

	$future = $repository->getLocalCommandFuture(
	"diff %C %s %s -- %s",
	$options,
	$against,
	$commit,
	$path);

	$this->configureFuture($future);

	try {
	list($raw_diff) = $future->resolvex();
	} catch (CommandException $ex) {
	// Check if this is the root commit by seeing if it has parents.
	list($parents) = $repository->execxLocalCommand(
	'log --format=%s %s --',
	'%P', // "parents"
	$commit);

	if (strlen(trim($parents))) {
	throw $ex;
	}

	// No parents means we're looking at the root revision. Diff against
	// the empty tree hash instead, since there is no parent so "^" does
	// not work. See ArcanistGitAPI for more discussion.
	$future = $repository->getLocalCommandFuture(
	'diff %C %s %s -- %s',
	$options,
	ArcanistGitAPI::GIT_MAGIC_ROOT_COMMIT,
	$commit,
	$drequest->getPath());

	$this->configureFuture($future);

	list($raw_diff) = $future->resolvex();
	}

	return $raw_diff;
	}

	}