/**
* NOTE: We have to work particularly hard for SVN as compared to other VCS.
* That's okay but means this shares little code with the other VCS.
*/
protected function getSVNResult(ConduitAPIRequest $request)
{
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$effective_commit = $this->getEffectiveCommit($request);
if (!$effective_commit) {
return $this->getEmptyResult();
}
$drequest = clone $drequest;
$drequest->updateSymbolicCommit($effective_commit);
$path_change_query = DiffusionPathChangeQuery::newFromDiffusionRequest($drequest);
$path_changes = $path_change_query->loadChanges();
$path = null;
foreach ($path_changes as $change) {
if ($change->getPath() == $drequest->getPath()) {
$path = $change;
}
}
if (!$path) {
return $this->getEmptyResult();
}
$change_type = $path->getChangeType();
switch ($change_type) {
case DifferentialChangeType::TYPE_MULTICOPY:
case DifferentialChangeType::TYPE_DELETE:
if ($path->getTargetPath()) {
$old = array($path->getTargetPath(), $path->getTargetCommitIdentifier());
} else {
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
}
$old_name = $path->getPath();
$new_name = '';
$new = null;
break;
case DifferentialChangeType::TYPE_ADD:
$old = null;
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = '';
$new_name = $path->getPath();
break;
case DifferentialChangeType::TYPE_MOVE_HERE:
case DifferentialChangeType::TYPE_COPY_HERE:
$old = array($path->getTargetPath(), $path->getTargetCommitIdentifier());
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = $path->getTargetPath();
$new_name = $path->getPath();
break;
case DifferentialChangeType::TYPE_MOVE_AWAY:
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
$old_name = $path->getPath();
$new_name = null;
$new = null;
break;
default:
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = $path->getPath();
$new_name = $path->getPath();
break;
}
$futures = array('old' => $this->buildSVNContentFuture($old), 'new' => $this->buildSVNContentFuture($new));
$futures = array_filter($futures);
foreach (new FutureIterator($futures) as $key => $future) {
$stdout = '';
try {
list($stdout) = $future->resolvex();
} catch (CommandException $e) {
if ($path->getFileType() != DifferentialChangeType::FILE_DIRECTORY) {
throw $e;
}
}
$futures[$key] = $stdout;
}
$old_data = idx($futures, 'old', '');
$new_data = idx($futures, 'new', '');
$engine = new PhabricatorDifferenceEngine();
$engine->setOldName($old_name);
$engine->setNewName($new_name);
$raw_diff = $engine->generateRawDiffFromFileContent($old_data, $new_data);
$arcanist_changes = DiffusionPathChange::convertToArcanistChanges($path_changes);
$parser = $this->getDefaultParser();
$parser->setChanges($arcanist_changes);
$parser->forcePath($path->getPath());
$changes = $parser->parseDiff($raw_diff);
$change = $changes[$path->getPath()];
return array($change);
}
protected function executeQuery()
{
$drequest = $this->getRequest();
if (!$drequest->getRawCommit()) {
$effective_commit = $this->getEffectiveCommit();
if (!$effective_commit) {
return null;
}
// TODO: Sketchy side effect.
$drequest->setCommit($effective_commit);
}
$path_change_query = DiffusionPathChangeQuery::newFromDiffusionRequest($drequest);
$path_changes = $path_change_query->loadChanges();
$path = null;
foreach ($path_changes as $change) {
if ($change->getPath() == $drequest->getPath()) {
$path = $change;
}
}
if (!$path) {
return null;
}
$change_type = $path->getChangeType();
switch ($change_type) {
case DifferentialChangeType::TYPE_MULTICOPY:
case DifferentialChangeType::TYPE_DELETE:
if ($path->getTargetPath()) {
$old = array($path->getTargetPath(), $path->getTargetCommitIdentifier());
} else {
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
}
$old_name = $path->getPath();
$new_name = '';
$new = null;
break;
case DifferentialChangeType::TYPE_ADD:
$old = null;
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = '';
$new_name = $path->getPath();
break;
case DifferentialChangeType::TYPE_MOVE_HERE:
case DifferentialChangeType::TYPE_COPY_HERE:
$old = array($path->getTargetPath(), $path->getTargetCommitIdentifier());
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = $path->getTargetPath();
$new_name = $path->getPath();
break;
case DifferentialChangeType::TYPE_MOVE_AWAY:
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
$old_name = $path->getPath();
$new_name = null;
$new = null;
break;
default:
$old = array($path->getPath(), $path->getCommitIdentifier() - 1);
$new = array($path->getPath(), $path->getCommitIdentifier());
$old_name = $path->getPath();
$new_name = $path->getPath();
break;
}
$futures = array('old' => $this->buildContentFuture($old), 'new' => $this->buildContentFuture($new));
$futures = array_filter($futures);
foreach (Futures($futures) as $key => $future) {
list($stdout) = $future->resolvex();
$futures[$key] = $stdout;
}
$old_data = idx($futures, 'old', '');
$new_data = idx($futures, 'new', '');
$engine = new PhabricatorDifferenceEngine();
$engine->setOldName($old_name);
$engine->setNewName($new_name);
$raw_diff = $engine->generateRawDiffFromFileContent($old_data, $new_data);
$parser = new ArcanistDiffParser();
$parser->setDetectBinaryFiles(true);
$arcanist_changes = DiffusionPathChange::convertToArcanistChanges($path_changes);
$parser->setChanges($arcanist_changes);
$parser->forcePath($path->getPath());
$changes = $parser->parseDiff($raw_diff);
$change = $changes[$path->getPath()];
$diff = DifferentialDiff::newFromRawChanges(array($change));
$changesets = $diff->getChangesets();
$changeset = reset($changesets);
$this->renderingReference = $drequest->getPath() . ';' . $drequest->getCommit();
return $changeset;
}
