/**
* Note this code is somewhat similar to the buildPatch method in
* @{class:DifferentialReviewRequestMail}.
*
* @return @{class:AphrontRedirectResponse}
*/
private function buildRawDiffResponse(array $changesets, array $vs_changesets, array $vs_map, PhabricatorRepository $repository = null)
{
assert_instances_of($changesets, 'DifferentialChangeset');
assert_instances_of($vs_changesets, 'DifferentialChangeset');
$engine = new PhabricatorDifferenceEngine();
$generated_changesets = array();
foreach ($changesets as $changeset) {
$changeset->attachHunks($changeset->loadHunks());
$right = $changeset->makeNewFile();
$choice = $changeset;
$vs = idx($vs_map, $changeset->getID());
if ($vs == -1) {
$left = $right;
$right = $changeset->makeOldFile();
} else {
if ($vs) {
$choice = $vs_changeset = $vs_changesets[$vs];
$vs_changeset->attachHunks($vs_changeset->loadHunks());
$left = $vs_changeset->makeNewFile();
} else {
$left = $changeset->makeOldFile();
}
}
$synthetic = $engine->generateChangesetFromFileContent($left, $right);
if (!$synthetic->getAffectedLineCount()) {
$filetype = $choice->getFileType();
if ($filetype == DifferentialChangeType::FILE_TEXT || $filetype == DifferentialChangeType::FILE_SYMLINK) {
continue;
}
}
$choice->attachHunks($synthetic->getHunks());
$generated_changesets[] = $choice;
}
$diff = new DifferentialDiff();
$diff->attachChangesets($generated_changesets);
$diff_dict = $diff->getDiffDict();
$changes = array();
foreach ($diff_dict['changes'] as $changedict) {
$changes[] = ArcanistDiffChange::newFromDictionary($changedict);
}
$bundle = ArcanistBundle::newFromChanges($changes);
$bundle->setLoadFileDataCallback(array($this, 'loadFileByPHID'));
$vcs = $repository ? $repository->getVersionControlSystem() : null;
switch ($vcs) {
case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
$raw_diff = $bundle->toGitPatch();
break;
case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
default:
$raw_diff = $bundle->toUnifiedDiff();
break;
}
$request_uri = $this->getRequest()->getRequestURI();
// this ends up being something like
// D123.diff
// or the verbose
// D123.vs123.id123.whitespaceignore-all.diff
// lame but nice to include these options
$file_name = ltrim($request_uri->getPath(), '/') . '.';
foreach ($request_uri->getQueryParams() as $key => $value) {
if ($key == 'download') {
continue;
}
$file_name .= $key . $value . '.';
}
$file_name .= 'diff';
$file = PhabricatorFile::buildFromFileDataOrHash($raw_diff, array('name' => $file_name));
return id(new AphrontRedirectResponse())->setURI($file->getBestURI());
}
private function buildPatch()
{
$diff = new DifferentialDiff();
$diff->attachChangesets($this->getChangesets());
// TODO: We could batch this to improve performance.
foreach ($diff->getChangesets() as $changeset) {
$changeset->attachHunks($changeset->loadHunks());
}
$diff_dict = $diff->getDiffDict();
$changes = array();
foreach ($diff_dict['changes'] as $changedict) {
$changes[] = ArcanistDiffChange::newFromDictionary($changedict);
}
$bundle = ArcanistBundle::newFromChanges($changes);
$bundle->setLoadFileDataCallback(array($this, 'loadFileByPHID'));
$format = PhabricatorEnv::getEnvConfig('metamta.differential.patch-format');
switch ($format) {
case 'git':
return $bundle->toGitPatch();
break;
case 'unified':
default:
return $bundle->toUnifiedDiff();
break;
}
}