public static function createDiffDict(DifferentialDiff $diff)
{
$dict = array('id' => $diff->getID(), 'parent' => $diff->getParentRevisionID(), 'sourceControlBaseRevision' => $diff->getSourceControlBaseRevision(), 'sourceControlPath' => $diff->getSourceControlPath(), 'changes' => array());
foreach ($diff->getChangesets() as $changeset) {
$hunks = array();
foreach ($changeset->getHunks() as $hunk) {
$hunks[] = array('oldOffset' => $hunk->getOldOffset(), 'newOffset' => $hunk->getNewOffset(), 'oldLength' => $hunk->getOldLen(), 'newLength' => $hunk->getNewLen(), 'addLines' => null, 'delLines' => null, 'isMissingOldNewline' => null, 'isMissingNewNewline' => null, 'corpus' => $hunk->getChanges());
}
$change = array('metadata' => $changeset->getMetadata(), 'oldPath' => $changeset->getOldFile(), 'currentPath' => $changeset->getFileName(), 'awayPaths' => $changeset->getAwayPaths(), 'oldProperties' => $changeset->getOldProperties(), 'newProperties' => $changeset->getNewProperties(), 'type' => $changeset->getChangeType(), 'fileType' => $changeset->getFileType(), 'commitHash' => null, 'hunks' => $hunks);
$dict['changes'][] = $change;
}
return $dict;
}
private function loadChangedByCommit(DifferentialDiff $diff)
{
$repository = $this->repository;
$vs_changesets = array();
$vs_diff = id(new DifferentialDiff())->loadOneWhere('revisionID = %d AND creationMethod != %s ORDER BY id DESC LIMIT 1', $diff->getRevisionID(), 'commit');
foreach ($vs_diff->loadChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $vs_diff);
$path = ltrim($path, '/');
$vs_changesets[$path] = $changeset;
}
$changesets = array();
foreach ($diff->getChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $diff);
$path = ltrim($path, '/');
$changesets[$path] = $changeset;
}
if (array_fill_keys(array_keys($changesets), true) != array_fill_keys(array_keys($vs_changesets), true)) {
return $vs_diff;
}
$hunks = id(new DifferentialHunk())->loadAllWhere('changesetID IN (%Ld)', mpull($vs_changesets, 'getID'));
$hunks = mgroup($hunks, 'getChangesetID');
foreach ($vs_changesets as $changeset) {
$changeset->attachHunks(idx($hunks, $changeset->getID(), array()));
}
$file_phids = array();
foreach ($vs_changesets as $changeset) {
$metadata = $changeset->getMetadata();
$file_phid = idx($metadata, 'new:binary-phid');
if ($file_phid) {
$file_phids[$file_phid] = $file_phid;
}
}
$files = array();
if ($file_phids) {
$files = id(new PhabricatorFile())->loadAllWhere('phid IN (%Ls)', $file_phids);
$files = mpull($files, null, 'getPHID');
}
foreach ($changesets as $path => $changeset) {
$vs_changeset = $vs_changesets[$path];
$file_phid = idx($vs_changeset->getMetadata(), 'new:binary-phid');
if ($file_phid) {
if (!isset($files[$file_phid])) {
return $vs_diff;
}
$drequest = DiffusionRequest::newFromDictionary(array('repository' => $this->repository, 'commit' => $this->commit->getCommitIdentifier(), 'path' => $path));
$corpus = DiffusionFileContentQuery::newFromDiffusionRequest($drequest)->loadFileContent()->getCorpus();
if ($files[$file_phid]->loadFileData() != $corpus) {
return $vs_diff;
}
} else {
$context = implode("\n", $changeset->makeChangesWithContext());
$vs_context = implode("\n", $vs_changeset->makeChangesWithContext());
// We couldn't just compare $context and $vs_context because following
// diffs will be considered different:
//
// -(empty line)
// -echo 'test';
// (empty line)
//
// (empty line)
// -echo "test";
// -(empty line)
$hunk = id(new DifferentialHunk())->setChanges($context);
$vs_hunk = id(new DifferentialHunk())->setChanges($vs_context);
if ($hunk->makeOldFile() != $vs_hunk->makeOldFile() || $hunk->makeNewFile() != $vs_hunk->makeNewFile()) {
return $vs_diff;
}
}
}
return null;
}
private function renderPatchForMail(DifferentialDiff $diff)
{
$format = PhabricatorEnv::getEnvConfig('metamta.differential.patch-format');
$patch = id(new DifferentialRawDiffRenderer())->setViewer($this->getActor())->setFormat($format)->setChangesets($diff->getChangesets())->buildPatch();
$section = new PhabricatorMetaMTAMailSection();
$section->addHTMLFragment($this->renderPatchHTMLForMail($patch));
$section->addPlaintextFragment($patch);
return $section;
}
private static function buildChangesetsFromRawChanges(DifferentialDiff $diff, array $changes)
{
// There may not be any changes; initialize the changesets list so that
// we don't throw later when accessing it.
$diff->attachChangesets(array());
$lines = 0;
foreach ($changes as $change) {
if ($change->getType() == ArcanistDiffChangeType::TYPE_MESSAGE) {
// If a user pastes a diff into Differential which includes a commit
// message (e.g., they ran `git show` to generate it), discard that
// change when constructing a DifferentialDiff.
continue;
}
$changeset = new DifferentialChangeset();
$add_lines = 0;
$del_lines = 0;
$first_line = PHP_INT_MAX;
$hunks = $change->getHunks();
if ($hunks) {
foreach ($hunks as $hunk) {
$dhunk = new DifferentialModernHunk();
$dhunk->setOldOffset($hunk->getOldOffset());
$dhunk->setOldLen($hunk->getOldLength());
$dhunk->setNewOffset($hunk->getNewOffset());
$dhunk->setNewLen($hunk->getNewLength());
$dhunk->setChanges($hunk->getCorpus());
$changeset->addUnsavedHunk($dhunk);
$add_lines += $hunk->getAddLines();
$del_lines += $hunk->getDelLines();
$added_lines = $hunk->getChangedLines('new');
if ($added_lines) {
$first_line = min($first_line, head_key($added_lines));
}
}
$lines += $add_lines + $del_lines;
} else {
// This happens when you add empty files.
$changeset->attachHunks(array());
}
$metadata = $change->getAllMetadata();
if ($first_line != PHP_INT_MAX) {
$metadata['line:first'] = $first_line;
}
$changeset->setOldFile($change->getOldPath());
$changeset->setFilename($change->getCurrentPath());
$changeset->setChangeType($change->getType());
$changeset->setFileType($change->getFileType());
$changeset->setMetadata($metadata);
$changeset->setOldProperties($change->getOldProperties());
$changeset->setNewProperties($change->getNewProperties());
$changeset->setAwayPaths($change->getAwayPaths());
$changeset->setAddLines($add_lines);
$changeset->setDelLines($del_lines);
$diff->addUnsavedChangeset($changeset);
}
$diff->setLineCount($lines);
$parser = new DifferentialChangesetParser();
$changesets = $parser->detectCopiedCode($diff->getChangesets(), $min_width = 30, $min_lines = 3);
$diff->attachChangesets($changesets);
return $diff;
}
private function buildPatchForMail(DifferentialDiff $diff)
{
$format = PhabricatorEnv::getEnvConfig('metamta.differential.patch-format');
return id(new DifferentialRawDiffRenderer())->setViewer($this->getActor())->setFormat($format)->setChangesets($diff->getChangesets())->buildPatch();
}
private function loadChangedByCommit(DifferentialRevision $revision, DifferentialDiff $diff)
{
$repository = $this->repository;
$vs_diff = id(new DifferentialDiffQuery())->setViewer(PhabricatorUser::getOmnipotentUser())->withRevisionIDs(array($revision->getID()))->needChangesets(true)->setLimit(1)->executeOne();
if (!$vs_diff) {
return null;
}
if ($vs_diff->getCreationMethod() == 'commit') {
return null;
}
$vs_changesets = array();
foreach ($vs_diff->getChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $vs_diff);
$path = ltrim($path, '/');
$vs_changesets[$path] = $changeset;
}
$changesets = array();
foreach ($diff->getChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $diff);
$path = ltrim($path, '/');
$changesets[$path] = $changeset;
}
if (array_fill_keys(array_keys($changesets), true) != array_fill_keys(array_keys($vs_changesets), true)) {
return $vs_diff;
}
$file_phids = array();
foreach ($vs_changesets as $changeset) {
$metadata = $changeset->getMetadata();
$file_phid = idx($metadata, 'new:binary-phid');
if ($file_phid) {
$file_phids[$file_phid] = $file_phid;
}
}
$files = array();
if ($file_phids) {
$files = id(new PhabricatorFileQuery())->setViewer(PhabricatorUser::getOmnipotentUser())->withPHIDs($file_phids)->execute();
$files = mpull($files, null, 'getPHID');
}
foreach ($changesets as $path => $changeset) {
$vs_changeset = $vs_changesets[$path];
$file_phid = idx($vs_changeset->getMetadata(), 'new:binary-phid');
if ($file_phid) {
if (!isset($files[$file_phid])) {
return $vs_diff;
}
$drequest = DiffusionRequest::newFromDictionary(array('user' => PhabricatorUser::getOmnipotentUser(), 'repository' => $this->repository, 'commit' => $this->commit->getCommitIdentifier(), 'path' => $path));
$corpus = DiffusionFileContentQuery::newFromDiffusionRequest($drequest)->setViewer(PhabricatorUser::getOmnipotentUser())->loadFileContent()->getCorpus();
if ($files[$file_phid]->loadFileData() != $corpus) {
return $vs_diff;
}
} else {
$context = implode("\n", $changeset->makeChangesWithContext());
$vs_context = implode("\n", $vs_changeset->makeChangesWithContext());
// We couldn't just compare $context and $vs_context because following
// diffs will be considered different:
//
// -(empty line)
// -echo 'test';
// (empty line)
//
// (empty line)
// -echo "test";
// -(empty line)
$hunk = id(new DifferentialModernHunk())->setChanges($context);
$vs_hunk = id(new DifferentialModernHunk())->setChanges($vs_context);
if ($hunk->makeOldFile() != $vs_hunk->makeOldFile() || $hunk->makeNewFile() != $vs_hunk->makeNewFile()) {
return $vs_diff;
}
}
}
return null;
}
public function isDiffChangedBeforeCommit(PhabricatorRepositoryCommit $commit, DifferentialDiff $old, DifferentialDiff $new)
{
$viewer = $this->getViewer();
$repository = $commit->getRepository();
$identifier = $commit->getCommitIdentifier();
$vs_changesets = array();
foreach ($old->getChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $old);
$path = ltrim($path, '/');
$vs_changesets[$path] = $changeset;
}
$changesets = array();
foreach ($new->getChangesets() as $changeset) {
$path = $changeset->getAbsoluteRepositoryPath($repository, $new);
$path = ltrim($path, '/');
$changesets[$path] = $changeset;
}
if (array_fill_keys(array_keys($changesets), true) != array_fill_keys(array_keys($vs_changesets), true)) {
return true;
}
$file_phids = array();
foreach ($vs_changesets as $changeset) {
$metadata = $changeset->getMetadata();
$file_phid = idx($metadata, 'new:binary-phid');
if ($file_phid) {
$file_phids[$file_phid] = $file_phid;
}
}
$files = array();
if ($file_phids) {
$files = id(new PhabricatorFileQuery())->setViewer(PhabricatorUser::getOmnipotentUser())->withPHIDs($file_phids)->execute();
$files = mpull($files, null, 'getPHID');
}
foreach ($changesets as $path => $changeset) {
$vs_changeset = $vs_changesets[$path];
$file_phid = idx($vs_changeset->getMetadata(), 'new:binary-phid');
if ($file_phid) {
if (!isset($files[$file_phid])) {
return true;
}
$drequest = DiffusionRequest::newFromDictionary(array('user' => $viewer, 'repository' => $repository));
$response = DiffusionQuery::callConduitWithDiffusionRequest($viewer, $drequest, 'diffusion.filecontentquery', array('commit' => $identifier, 'path' => $path));
$new_file_phid = $response['filePHID'];
if (!$new_file_phid) {
return true;
}
$new_file = id(new PhabricatorFileQuery())->setViewer($viewer)->withPHIDs(array($new_file_phid))->executeOne();
if (!$new_file) {
return true;
}
if ($files[$file_phid]->loadFileData() != $new_file->loadFileData()) {
return true;
}
} else {
$context = implode("\n", $changeset->makeChangesWithContext());
$vs_context = implode("\n", $vs_changeset->makeChangesWithContext());
// We couldn't just compare $context and $vs_context because following
// diffs will be considered different:
//
// -(empty line)
// -echo 'test';
// (empty line)
//
// (empty line)
// -echo "test";
// -(empty line)
$hunk = id(new DifferentialModernHunk())->setChanges($context);
$vs_hunk = id(new DifferentialModernHunk())->setChanges($vs_context);
if ($hunk->makeOldFile() != $vs_hunk->makeOldFile() || $hunk->makeNewFile() != $vs_hunk->makeNewFile()) {
return true;
}
}
}
return false;
}
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;
}
}