protected function getChange($path)
{
$repository_api = $this->getRepositoryAPI();
// TODO: Very gross
$is_git = $repository_api instanceof ArcanistGitAPI;
$is_hg = $repository_api instanceof ArcanistMercurialAPI;
$is_svn = $repository_api instanceof ArcanistSubversionAPI;
if ($is_svn) {
// NOTE: In SVN, we don't currently support a "get all local changes"
// operation, so special case it.
if (empty($this->changeCache[$path])) {
$diff = $repository_api->getRawDiffText($path);
$parser = $this->newDiffParser();
$changes = $parser->parseDiff($diff);
if (count($changes) != 1) {
throw new Exception("Expected exactly one change.");
}
$this->changeCache[$path] = reset($changes);
}
} else {
if ($is_git || $is_hg) {
if (empty($this->changeCache)) {
$changes = $repository_api->getAllLocalChanges();
foreach ($changes as $change) {
$this->changeCache[$change->getCurrentPath()] = $change;
}
}
} else {
throw new Exception("Missing VCS support.");
}
}
if (empty($this->changeCache[$path])) {
if ($is_git) {
// This can legitimately occur under git if you make a change, "git
// commit" it, and then revert the change in the working copy and run
// "arc lint".
$change = new ArcanistDiffChange();
$change->setCurrentPath($path);
return $change;
} else {
throw new Exception("Trying to get change for unchanged path '{$path}'!");
}
}
return $this->changeCache[$path];
}
public static final function convertToArcanistChanges(array $changes)
{
assert_instances_of($changes, 'DiffusionPathChange');
$direct = array();
$result = array();
foreach ($changes as $path) {
$change = new ArcanistDiffChange();
$change->setCurrentPath($path->getPath());
$direct[] = $path->getPath();
$change->setType($path->getChangeType());
$file_type = $path->getFileType();
if ($file_type == DifferentialChangeType::FILE_NORMAL) {
$file_type = DifferentialChangeType::FILE_TEXT;
}
$change->setFileType($file_type);
$change->setOldPath($path->getTargetPath());
foreach ($path->getAwayPaths() as $away_path) {
$change->addAwayPath($away_path);
}
$result[$path->getPath()] = $change;
}
return array_select_keys($result, $direct);
}
protected function buildChange($path = null)
{
$change = null;
if ($path !== null) {
if (!empty($this->changes[$path])) {
return $this->changes[$path];
}
}
if ($this->forcePath) {
return $this->changes[$this->forcePath];
}
$change = new ArcanistDiffChange();
if ($path !== null) {
$change->setCurrentPath($path);
$this->changes[$path] = $change;
} else {
$this->changes[] = $change;
}
return $change;
}
