Diffusion Phabricator (production) Browse

DifferentialTransactionEditor.php
1ed327683f6aproduction

DifferentialTransactionEditor.php
View Options

			<?php

			final class DifferentialTransactionEditor
			extends PhabricatorApplicationTransactionEditor {

			private $changedPriorToCommitURI;
			private $isCloseByCommit;
			private $repositoryPHIDOverride = false;
			private $didExpandInlineState = false;
			private $hasReviewTransaction = false;
			private $affectedPaths;
			private $firstBroadcast = false;
			private $wasDraft = false;

			public function getEditorApplicationClass() {
			return 'PhabricatorDifferentialApplication';
			}

			public function getEditorObjectsDescription() {
			return pht('Differential Revisions');
			}

			public function getCreateObjectTitle($author, $object) {
			return pht('%s created this revision.', $author);
			}

			public function getCreateObjectTitleForFeed($author, $object) {
			return pht('%s created %s.', $author, $object);
			}

			public function isFirstBroadcast() {
			return $this->firstBroadcast;
			}

			public function getDiffUpdateTransaction(array $xactions) {
			$type_update = DifferentialTransaction::TYPE_UPDATE;

			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() == $type_update) {
			return $xaction;
			}
			}

			return null;
			}

			public function setIsCloseByCommit($is_close_by_commit) {
			$this->isCloseByCommit = $is_close_by_commit;
			return $this;
			}

			public function getIsCloseByCommit() {
			return $this->isCloseByCommit;
			}

			public function setChangedPriorToCommitURI($uri) {
			$this->changedPriorToCommitURI = $uri;
			return $this;
			}

			public function getChangedPriorToCommitURI() {
			return $this->changedPriorToCommitURI;
			}

			public function setRepositoryPHIDOverride($phid_or_null) {
			$this->repositoryPHIDOverride = $phid_or_null;
			return $this;
			}

			public function getTransactionTypes() {
			$types = parent::getTransactionTypes();

			$types[] = PhabricatorTransactions::TYPE_COMMENT;
			$types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
			$types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
			$types[] = PhabricatorTransactions::TYPE_INLINESTATE;

			$types[] = DifferentialTransaction::TYPE_INLINE;
			$types[] = DifferentialTransaction::TYPE_UPDATE;

			return $types;
			}

			protected function getCustomTransactionOldValue(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_INLINE:
			return null;
			case DifferentialTransaction::TYPE_UPDATE:
			if ($this->getIsNewObject()) {
			return null;
			} else {
			return $object->getActiveDiff()->getPHID();
			}
			}

			return parent::getCustomTransactionOldValue($object, $xaction);
			}

			protected function getCustomTransactionNewValue(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_UPDATE:
			return $xaction->getNewValue();
			case DifferentialTransaction::TYPE_INLINE:
			return null;
			}

			return parent::getCustomTransactionNewValue($object, $xaction);
			}

			protected function applyCustomInternalTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_INLINE:
			return;
			case DifferentialTransaction::TYPE_UPDATE:
			if (!$this->getIsCloseByCommit()) {
			if ($object->isNeedsRevision() \|\|
			$object->isChangePlanned() \|\|
			$object->isAbandoned()) {
			$object->setModernRevisionStatus(
			DifferentialRevisionStatus::NEEDS_REVIEW);
			}
			}

			$diff = $this->requireDiff($xaction->getNewValue());

			$this->updateRevisionLineCounts($object, $diff);

			if ($this->repositoryPHIDOverride !== false) {
			$object->setRepositoryPHID($this->repositoryPHIDOverride);
			} else {
			$object->setRepositoryPHID($diff->getRepositoryPHID());
			}

			$object->attachActiveDiff($diff);
			$object->setActiveDiffPHID($diff->getPHID());
			return;
			}

			return parent::applyCustomInternalTransaction($object, $xaction);
			}

			protected function expandTransactions(
			PhabricatorLiskDAO $object,
			array $xactions) {

			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case PhabricatorTransactions::TYPE_INLINESTATE:
			// If we have an "Inline State" transaction already, the caller
			// built it for us so we don't need to expand it again.
			$this->didExpandInlineState = true;
			break;
			case DifferentialRevisionAcceptTransaction::TRANSACTIONTYPE:
			case DifferentialRevisionRejectTransaction::TRANSACTIONTYPE:
			case DifferentialRevisionResignTransaction::TRANSACTIONTYPE:
			// If we have a review transaction, we'll skip marking the user
			// as "Commented" later. This should get cleaner after T10967.
			$this->hasReviewTransaction = true;
			break;
			}
			}

			$this->wasDraft = $object->isDraft();

			return parent::expandTransactions($object, $xactions);
			}

			protected function expandTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			$results = parent::expandTransaction($object, $xaction);

			$actor = $this->getActor();
			$actor_phid = $this->getActingAsPHID();
			$type_edge = PhabricatorTransactions::TYPE_EDGE;

			$edge_ref_task = DifferentialRevisionHasTaskEdgeType::EDGECONST;

			$is_sticky_accept = PhabricatorEnv::getEnvConfig(
			'differential.sticky-accept');

			$downgrade_rejects = false;
			$downgrade_accepts = false;
			if ($this->getIsCloseByCommit()) {
			// Never downgrade reviewers when we're closing a revision after a
			// commit.
			} else {
			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_UPDATE:
			$downgrade_rejects = true;
			if (!$is_sticky_accept) {
			// If "sticky accept" is disabled, also downgrade the accepts.
			$downgrade_accepts = true;
			}
			break;
			case DifferentialRevisionRequestReviewTransaction::TRANSACTIONTYPE:
			$downgrade_rejects = true;
			if ((!$is_sticky_accept) \|\|
			(!$object->isChangePlanned())) {
			// If the old state isn't "changes planned", downgrade the accepts.
			// This exception allows an accepted revision to go through
			// "Plan Changes" -> "Request Review" and return to "accepted" if
			// the author didn't update the revision, essentially undoing the
			// "Plan Changes".
			$downgrade_accepts = true;
			}
			break;
			}
			}

			$new_accept = DifferentialReviewerStatus::STATUS_ACCEPTED;
			$new_reject = DifferentialReviewerStatus::STATUS_REJECTED;
			$old_accept = DifferentialReviewerStatus::STATUS_ACCEPTED_OLDER;
			$old_reject = DifferentialReviewerStatus::STATUS_REJECTED_OLDER;

			$downgrade = array();
			if ($downgrade_accepts) {
			$downgrade[] = DifferentialReviewerStatus::STATUS_ACCEPTED;
			}

			if ($downgrade_rejects) {
			$downgrade[] = DifferentialReviewerStatus::STATUS_REJECTED;
			}

			if ($downgrade) {
			$void_type = DifferentialRevisionVoidTransaction::TRANSACTIONTYPE;

			$results[] = id(new DifferentialTransaction())
			->setTransactionType($void_type)
			->setIgnoreOnNoEffect(true)
			->setNewValue($downgrade);
			}

			$is_commandeer = false;
			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_UPDATE:
			if ($this->getIsCloseByCommit()) {
			// Don't bother with any of this if this update is a side effect of
			// commit detection.
			break;
			}

			// When a revision is updated and the diff comes from a branch named
			// "T123" or similar, automatically associate the commit with the
			// task that the branch names.

			$maniphest = 'PhabricatorManiphestApplication';
			if (PhabricatorApplication::isClassInstalled($maniphest)) {
			$diff = $this->requireDiff($xaction->getNewValue());
			$branch = $diff->getBranch();

			// No "$", to allow for branches like T123_demo.
			$match = null;
			if (preg_match('/^T(\d+)/i', $branch, $match)) {
			$task_id = $match[1];
			$tasks = id(new ManiphestTaskQuery())
			->setViewer($this->getActor())
			->withIDs(array($task_id))
			->execute();
			if ($tasks) {
			$task = head($tasks);
			$task_phid = $task->getPHID();

			$results[] = id(new DifferentialTransaction())
			->setTransactionType($type_edge)
			->setMetadataValue('edge:type', $edge_ref_task)
			->setIgnoreOnNoEffect(true)
			->setNewValue(array('+' => array($task_phid => $task_phid)));
			}
			}
			}
			break;

			case DifferentialRevisionCommandeerTransaction::TRANSACTIONTYPE:
			$is_commandeer = true;
			break;
			}

			if ($is_commandeer) {
			$results[] = $this->newCommandeerReviewerTransaction($object);
			}

			if (!$this->didExpandInlineState) {
			switch ($xaction->getTransactionType()) {
			case PhabricatorTransactions::TYPE_COMMENT:
			case DifferentialTransaction::TYPE_UPDATE:
			case DifferentialTransaction::TYPE_INLINE:
			$this->didExpandInlineState = true;

			$actor_phid = $this->getActingAsPHID();
			$actor_is_author = ($object->getAuthorPHID() == $actor_phid);
			if (!$actor_is_author) {
			break;
			}

			$state_map = PhabricatorTransactions::getInlineStateMap();

			$inlines = id(new DifferentialDiffInlineCommentQuery())
			->setViewer($this->getActor())
			->withRevisionPHIDs(array($object->getPHID()))
			->withFixedStates(array_keys($state_map))
			->execute();

			if (!$inlines) {
			break;
			}

			$old_value = mpull($inlines, 'getFixedState', 'getPHID');
			$new_value = array();
			foreach ($old_value as $key => $state) {
			$new_value[$key] = $state_map[$state];
			}

			$results[] = id(new DifferentialTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_INLINESTATE)
			->setIgnoreOnNoEffect(true)
			->setOldValue($old_value)
			->setNewValue($new_value);
			break;
			}
			}

			return $results;
			}

			protected function applyCustomExternalTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_INLINE:
			$reply = $xaction->getComment()->getReplyToComment();
			if ($reply && !$reply->getHasReplies()) {
			$reply->setHasReplies(1)->save();
			}
			return;
			case DifferentialTransaction::TYPE_UPDATE:
			// Now that we're inside the transaction, do a final check.
			$diff = $this->requireDiff($xaction->getNewValue());

			// TODO: It would be slightly cleaner to just revalidate this
			// transaction somehow using the same validation code, but that's
			// not easy to do at the moment.

			$revision_id = $diff->getRevisionID();
			if ($revision_id && ($revision_id != $object->getID())) {
			throw new Exception(
			pht(
			'Diff is already attached to another revision. You lost '.
			'a race?'));
			}

			// TODO: This can race with diff updates, particularly those from
			// Harbormaster. See discussion in T8650.
			$diff->setRevisionID($object->getID());
			$diff->save();

			// Update Harbormaster to set the containerPHID correctly for any
			// existing buildables. We may otherwise have buildables stuck with
			// the old (`null`) container.

			// TODO: This is a bit iffy, maybe we can find a cleaner approach?
			// In particular, this could (rarely) be overwritten by Harbormaster
			// workers.
			$table = new HarbormasterBuildable();
			$conn_w = $table->establishConnection('w');
			queryfx(
			$conn_w,
			'UPDATE %T SET containerPHID = %s WHERE buildablePHID = %s',
			$table->getTableName(),
			$object->getPHID(),
			$diff->getPHID());

			return;
			}

			return parent::applyCustomExternalTransaction($object, $xaction);
			}

			protected function applyBuiltinExternalTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case PhabricatorTransactions::TYPE_INLINESTATE:
			$table = new DifferentialTransactionComment();
			$conn_w = $table->establishConnection('w');
			foreach ($xaction->getNewValue() as $phid => $state) {
			queryfx(
			$conn_w,
			'UPDATE %T SET fixedState = %s WHERE phid = %s',
			$table->getTableName(),
			$state,
			$phid);
			}
			break;
			}

			return parent::applyBuiltinExternalTransaction($object, $xaction);
			}

			protected function applyFinalEffects(
			PhabricatorLiskDAO $object,
			array $xactions) {

			// Load the most up-to-date version of the revision and its reviewers,
			// so we don't need to try to deduce the state of reviewers by examining
			// all the changes made by the transactions. Then, update the reviewers
			// on the object to make sure we're acting on the current reviewer set
			// (and, for example, sending mail to the right people).

			$new_revision = id(new DifferentialRevisionQuery())
			->setViewer($this->getActor())
			->needReviewers(true)
			->needActiveDiffs(true)
			->withIDs(array($object->getID()))
			->executeOne();
			if (!$new_revision) {
			throw new Exception(
			pht('Failed to load revision from transaction finalization.'));
			}

			$object->attachReviewers($new_revision->getReviewers());
			$object->attachActiveDiff($new_revision->getActiveDiff());
			$object->attachRepository($new_revision->getRepository());

			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_UPDATE:
			$diff = $this->requireDiff($xaction->getNewValue(), true);

			// Update these denormalized index tables when we attach a new
			// diff to a revision.

			$this->updateRevisionHashTable($object, $diff);
			$this->updateAffectedPathTable($object, $diff);
			break;
			}
			}

			$xactions = $this->updateReviewStatus($object, $xactions);
			$this->markReviewerComments($object, $xactions);

			return $xactions;
			}

			private function updateReviewStatus(
			DifferentialRevision $revision,
			array $xactions) {

			$was_accepted = $revision->isAccepted();
			$was_revision = $revision->isNeedsRevision();
			$was_review = $revision->isNeedsReview();
			if (!$was_accepted && !$was_revision && !$was_review) {
			// Revisions can't transition out of other statuses (like closed or
			// abandoned) as a side effect of reviewer status changes.
			return $xactions;
			}

			// Try to move a revision to "accepted". We look for:
			//
			// - at least one accepting reviewer who is a user; and
			// - no rejects; and
			// - no rejects of older diffs; and
			// - no blocking reviewers.

			$has_accepting_user = false;
			$has_rejecting_reviewer = false;
			$has_rejecting_older_reviewer = false;
			$has_blocking_reviewer = false;

			$active_diff = $revision->getActiveDiff();
			foreach ($revision->getReviewers() as $reviewer) {
			$reviewer_status = $reviewer->getReviewerStatus();
			switch ($reviewer_status) {
			case DifferentialReviewerStatus::STATUS_REJECTED:
			$active_phid = $active_diff->getPHID();
			if ($reviewer->isRejected($active_phid)) {
			$has_rejecting_reviewer = true;
			} else {
			$has_rejecting_older_reviewer = true;
			}
			break;
			case DifferentialReviewerStatus::STATUS_REJECTED_OLDER:
			$has_rejecting_older_reviewer = true;
			break;
			case DifferentialReviewerStatus::STATUS_BLOCKING:
			$has_blocking_reviewer = true;
			break;
			case DifferentialReviewerStatus::STATUS_ACCEPTED:
			if ($reviewer->isUser()) {
			$active_phid = $active_diff->getPHID();
			if ($reviewer->isAccepted($active_phid)) {
			$has_accepting_user = true;
			}
			}
			break;
			}
			}

			$new_status = null;
			if ($has_accepting_user &&
			!$has_rejecting_reviewer &&
			!$has_rejecting_older_reviewer &&
			!$has_blocking_reviewer) {
			$new_status = DifferentialRevisionStatus::ACCEPTED;
			} else if ($has_rejecting_reviewer) {
			// This isn't accepted, and there's at least one rejecting reviewer,
			// so the revision needs changes. This usually happens after a
			// "reject".
			$new_status = DifferentialRevisionStatus::NEEDS_REVISION;
			} else if ($was_accepted) {
			// This revision was accepted, but it no longer satisfies the
			// conditions for acceptance. This usually happens after an accepting
			// reviewer resigns or is removed.
			$new_status = DifferentialRevisionStatus::NEEDS_REVIEW;
			}

			if ($new_status === null) {
			return $xactions;
			}

			$old_status = $revision->getModernRevisionStatus();
			if ($new_status == $old_status) {
			return $xactions;
			}

			$xaction = id(new DifferentialTransaction())
			->setTransactionType(
			DifferentialRevisionStatusTransaction::TRANSACTIONTYPE)
			->setOldValue($old_status)
			->setNewValue($new_status);

			$xaction = $this->populateTransaction($revision, $xaction)
			->save();
			$xactions[] = $xaction;

			// Save the status adjustment we made earlier.
			$revision
			->setModernRevisionStatus($new_status)
			->save();

			return $xactions;
			}


			protected function validateTransaction(
			PhabricatorLiskDAO $object,
			$type,
			array $xactions) {

			$errors = parent::validateTransaction($object, $type, $xactions);

			$config_self_accept_key = 'differential.allow-self-accept';
			$allow_self_accept = PhabricatorEnv::getEnvConfig($config_self_accept_key);

			foreach ($xactions as $xaction) {
			switch ($type) {
			case DifferentialTransaction::TYPE_UPDATE:
			$diff = $this->loadDiff($xaction->getNewValue());
			if (!$diff) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht('The specified diff does not exist.'),
			$xaction);
			} else if (($diff->getRevisionID()) &&
			($diff->getRevisionID() != $object->getID())) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'You can not update this revision to the specified diff, '.
			'because the diff is already attached to another revision.'),
			$xaction);
			}
			break;
			}
			}

			return $errors;
			}

			protected function sortTransactions(array $xactions) {
			$xactions = parent::sortTransactions($xactions);

			$head = array();
			$tail = array();

			foreach ($xactions as $xaction) {
			$type = $xaction->getTransactionType();
			if ($type == DifferentialTransaction::TYPE_INLINE) {
			$tail[] = $xaction;
			} else {
			$head[] = $xaction;
			}
			}

			return array_values(array_merge($head, $tail));
			}

			protected function shouldPublishFeedStory(
			PhabricatorLiskDAO $object,
			array $xactions) {

			if (!$object->shouldBroadcast()) {
			return false;
			}

			return true;
			}

			protected function shouldSendMail(
			PhabricatorLiskDAO $object,
			array $xactions) {

			if (!$object->shouldBroadcast()) {
			return false;
			}

			return true;
			}

			protected function getMailTo(PhabricatorLiskDAO $object) {
			$phids = array();
			$phids[] = $object->getAuthorPHID();
			foreach ($object->getReviewers() as $reviewer) {
			if ($reviewer->isResigned()) {
			continue;
			}

			$phids[] = $reviewer->getReviewerPHID();
			}
			return $phids;
			}

			protected function getMailAction(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$show_lines = false;
			if ($this->isFirstBroadcast()) {
			$action = pht('Request');

			$show_lines = true;
			} else {
			$action = parent::getMailAction($object, $xactions);

			$strongest = $this->getStrongestAction($object, $xactions);
			$type_update = DifferentialTransaction::TYPE_UPDATE;
			if ($strongest->getTransactionType() == $type_update) {
			$show_lines = true;
			}
			}

			if ($show_lines) {
			$count = new PhutilNumber($object->getLineCount());
			$action = pht('%s, %s line(s)', $action, $count);
			}

			return $action;
			}

			protected function getMailSubjectPrefix() {
			return PhabricatorEnv::getEnvConfig('metamta.differential.subject-prefix');
			}

			protected function getMailThreadID(PhabricatorLiskDAO $object) {
			// This is nonstandard, but retains threading with older messages.
			$phid = $object->getPHID();
			return "differential-rev-{$phid}-req";
			}

			protected function buildReplyHandler(PhabricatorLiskDAO $object) {
			return id(new DifferentialReplyHandler())
			->setMailReceiver($object);
			}

			protected function buildMailTemplate(PhabricatorLiskDAO $object) {
			$id = $object->getID();
			$title = $object->getTitle();

			$original_title = $object->getOriginalTitle();

			$subject = "D{$id}: {$title}";
			$thread_topic = "D{$id}: {$original_title}";

			return id(new PhabricatorMetaMTAMail())
			->setSubject($subject)
			->addHeader('Thread-Topic', $thread_topic);
			}

			protected function getTransactionsForMail(
			PhabricatorLiskDAO $object,
			array $xactions) {
			// If this is the first time we're sending mail about this revision, we
			// generate mail for all prior transactions, not just whatever is being
			// applied now. This gets the "added reviewers" lines and other relevant
			// information into the mail.
			if ($this->isFirstBroadcast()) {
			return $this->loadUnbroadcastTransactions($object);
			}

			return $xactions;
			}

			protected function buildMailBody(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$viewer = $this->requireActor();

			$body = new PhabricatorMetaMTAMailBody();
			$body->setViewer($this->requireActor());

			$revision_uri = PhabricatorEnv::getProductionURI('/D'.$object->getID());

			$this->addHeadersAndCommentsToMailBody(
			$body,
			$xactions,
			pht('View Revision'),
			$revision_uri);

			$type_inline = DifferentialTransaction::TYPE_INLINE;

			$inlines = array();
			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() == $type_inline) {
			$inlines[] = $xaction;
			}
			}

			if ($inlines) {
			$this->appendInlineCommentsForMail($object, $inlines, $body);
			}

			$changed_uri = $this->getChangedPriorToCommitURI();
			if ($changed_uri) {
			$body->addLinkSection(
			pht('CHANGED PRIOR TO COMMIT'),
			$changed_uri);
			}

			$this->addCustomFieldsToMailBody($body, $object, $xactions);

			$body->addLinkSection(
			pht('REVISION DETAIL'),
			$revision_uri);

			$update_xaction = null;
			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case DifferentialTransaction::TYPE_UPDATE:
			$update_xaction = $xaction;
			break;
			}
			}

			if ($update_xaction) {
			$diff = $this->requireDiff($update_xaction->getNewValue(), true);

			$body->addTextSection(
			pht('AFFECTED FILES'),
			$this->renderAffectedFilesForMail($diff));

			$config_key_inline = 'metamta.differential.inline-patches';
			$config_inline = PhabricatorEnv::getEnvConfig($config_key_inline);

			$config_key_attach = 'metamta.differential.attach-patches';
			$config_attach = PhabricatorEnv::getEnvConfig($config_key_attach);

			if ($config_inline \|\| $config_attach) {
			$body_limit = PhabricatorEnv::getEnvConfig('metamta.email-body-limit');

			$patch = $this->buildPatchForMail($diff);
			if ($config_inline) {
			$lines = substr_count($patch, "\n");
			$bytes = strlen($patch);

			// Limit the patch size to the smaller of 256 bytes per line or
			// the mail body limit. This prevents degenerate behavior for patches
			// with one line that is 10MB long. See T11748.
			$byte_limits = array();
			$byte_limits[] = (256 * $config_inline);
			$byte_limits[] = $body_limit;
			$byte_limit = min($byte_limits);

			$lines_ok = ($lines <= $config_inline);
			$bytes_ok = ($bytes <= $byte_limit);

			if ($lines_ok && $bytes_ok) {
			$this->appendChangeDetailsForMail($object, $diff, $patch, $body);
			} else {
			// TODO: Provide a helpful message about the patch being too
			// large or lengthy here.
			}
			}

			if ($config_attach) {
			// See T12033, T11767, and PHI55. This is a crude fix to stop the
			// major concrete problems that lackluster email size limits cause.
			if (strlen($patch) < $body_limit) {
			$name = pht('D%s.%s.patch', $object->getID(), $diff->getID());
			$mime_type = 'text/x-patch; charset=utf-8';
			$body->addAttachment(
			new PhabricatorMetaMTAAttachment($patch, $name, $mime_type));
			}
			}
			}
			}

			return $body;
			}

			public function getMailTagsMap() {
			return array(
			DifferentialTransaction::MAILTAG_REVIEW_REQUEST =>
			pht('A revision is created.'),
			DifferentialTransaction::MAILTAG_UPDATED =>
			pht('A revision is updated.'),
			DifferentialTransaction::MAILTAG_COMMENT =>
			pht('Someone comments on a revision.'),
			DifferentialTransaction::MAILTAG_CLOSED =>
			pht('A revision is closed.'),
			DifferentialTransaction::MAILTAG_REVIEWERS =>
			pht("A revision's reviewers change."),
			DifferentialTransaction::MAILTAG_CC =>
			pht("A revision's CCs change."),
			DifferentialTransaction::MAILTAG_OTHER =>
			pht('Other revision activity not listed above occurs.'),
			);
			}

			protected function supportsSearch() {
			return true;
			}

			protected function expandCustomRemarkupBlockTransactions(
			PhabricatorLiskDAO $object,
			array $xactions,
			array $changes,
			PhutilMarkupEngine $engine) {

			// For "Fixes ..." and "Depends on ...", we're only going to look at
			// content blocks which are part of the revision itself (like "Summary"
			// and "Test Plan"), not comments.
			$content_parts = array();
			foreach ($changes as $change) {
			if ($change->getTransaction()->isCommentTransaction()) {
			continue;
			}
			$content_parts[] = $change->getNewValue();
			}
			if (!$content_parts) {
			return array();
			}
			$content_block = implode("\n\n", $content_parts);
			$task_map = array();
			$task_refs = id(new ManiphestCustomFieldStatusParser())
			->parseCorpus($content_block);
			foreach ($task_refs as $match) {
			foreach ($match['monograms'] as $monogram) {
			$task_id = (int)trim($monogram, 'tT');
			$task_map[$task_id] = true;
			}
			}

			$rev_map = array();
			$rev_refs = id(new DifferentialCustomFieldDependsOnParser())
			->parseCorpus($content_block);
			foreach ($rev_refs as $match) {
			foreach ($match['monograms'] as $monogram) {
			$rev_id = (int)trim($monogram, 'dD');
			$rev_map[$rev_id] = true;
			}
			}

			$edges = array();
			$task_phids = array();
			$rev_phids = array();

			if ($task_map) {
			$tasks = id(new ManiphestTaskQuery())
			->setViewer($this->getActor())
			->withIDs(array_keys($task_map))
			->execute();

			if ($tasks) {
			$task_phids = mpull($tasks, 'getPHID', 'getPHID');
			$edge_related = DifferentialRevisionHasTaskEdgeType::EDGECONST;
			$edges[$edge_related] = $task_phids;
			}
			}

			if ($rev_map) {
			$revs = id(new DifferentialRevisionQuery())
			->setViewer($this->getActor())
			->withIDs(array_keys($rev_map))
			->execute();
			$rev_phids = mpull($revs, 'getPHID', 'getPHID');

			// NOTE: Skip any write attempts if a user cleverly implies a revision
			// depends upon itself.
			unset($rev_phids[$object->getPHID()]);

			if ($revs) {
			$depends = DifferentialRevisionDependsOnRevisionEdgeType::EDGECONST;
			$edges[$depends] = $rev_phids;
			}
			}

			$this->setUnmentionablePHIDMap(array_merge($task_phids, $rev_phids));

			$result = array();
			foreach ($edges as $type => $specs) {
			$result[] = id(new DifferentialTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
			->setMetadataValue('edge:type', $type)
			->setNewValue(array('+' => $specs));
			}

			return $result;
			}

			private function appendInlineCommentsForMail(
			PhabricatorLiskDAO $object,
			array $inlines,
			PhabricatorMetaMTAMailBody $body) {

			$section = id(new DifferentialInlineCommentMailView())
			->setViewer($this->getActor())
			->setInlines($inlines)
			->buildMailSection();

			$header = pht('INLINE COMMENTS');

			$section_text = "\n".$section->getPlaintext();

			$style = array(
			'margin: 6px 0 12px 0;',
			);

			$section_html = phutil_tag(
			'div',
			array(
			'style' => implode(' ', $style),
			),
			$section->getHTML());

			$body->addPlaintextSection($header, $section_text, false);
			$body->addHTMLSection($header, $section_html);
			}

			private function appendChangeDetailsForMail(
			PhabricatorLiskDAO $object,
			DifferentialDiff $diff,
			$patch,
			PhabricatorMetaMTAMailBody $body) {

			$section = id(new DifferentialChangeDetailMailView())
			->setViewer($this->getActor())
			->setDiff($diff)
			->setPatch($patch)
			->buildMailSection();

			$header = pht('CHANGE DETAILS');

			$section_text = "\n".$section->getPlaintext();

			$style = array(
			'margin: 6px 0 12px 0;',
			);

			$section_html = phutil_tag(
			'div',
			array(
			'style' => implode(' ', $style),
			),
			$section->getHTML());

			$body->addPlaintextSection($header, $section_text, false);
			$body->addHTMLSection($header, $section_html);
			}

			private function loadDiff($phid, $need_changesets = false) {
			$query = id(new DifferentialDiffQuery())
			->withPHIDs(array($phid))
			->setViewer($this->getActor());

			if ($need_changesets) {
			$query->needChangesets(true);
			}

			return $query->executeOne();
			}

			private function requireDiff($phid, $need_changesets = false) {
			$diff = $this->loadDiff($phid, $need_changesets);
			if (!$diff) {
			throw new Exception(pht('Diff "%s" does not exist!', $phid));
			}

			return $diff;
			}

			/* -( Herald Integration )------------------------------------------------- */

			protected function shouldApplyHeraldRules(
			PhabricatorLiskDAO $object,
			array $xactions) {
			return true;
			}

			protected function didApplyHeraldRules(
			PhabricatorLiskDAO $object,
			HeraldAdapter $adapter,
			HeraldTranscript $transcript) {

			$repository = $object->getRepository();
			if (!$repository) {
			return array();
			}

			if (!$this->affectedPaths) {
			return array();
			}

			$packages = PhabricatorOwnersPackage::loadAffectedPackages(
			$repository,
			$this->affectedPaths);
			if (!$packages) {
			return array();
			}

			// Remove packages that the revision author is an owner of. If you own
			// code, you don't need another owner to review it.
			$authority = id(new PhabricatorOwnersPackageQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withPHIDs(mpull($packages, 'getPHID'))
			->withAuthorityPHIDs(array($object->getAuthorPHID()))
			->execute();
			$authority = mpull($authority, null, 'getPHID');

			foreach ($packages as $key => $package) {
			$package_phid = $package->getPHID();
			if (isset($authority[$package_phid])) {
			unset($packages[$key]);
			continue;
			}
			}

			if (!$packages) {
			return array();
			}

			$auto_subscribe = array();
			$auto_review = array();
			$auto_block = array();

			foreach ($packages as $package) {
			switch ($package->getAutoReview()) {
			case PhabricatorOwnersPackage::AUTOREVIEW_SUBSCRIBE:
			$auto_subscribe[] = $package;
			break;
			case PhabricatorOwnersPackage::AUTOREVIEW_REVIEW:
			$auto_review[] = $package;
			break;
			case PhabricatorOwnersPackage::AUTOREVIEW_BLOCK:
			$auto_block[] = $package;
			break;
			case PhabricatorOwnersPackage::AUTOREVIEW_NONE:
			default:
			break;
			}
			}

			$owners_phid = id(new PhabricatorOwnersApplication())
			->getPHID();

			$xactions = array();
			if ($auto_subscribe) {
			$xactions[] = $object->getApplicationTransactionTemplate()
			->setAuthorPHID($owners_phid)
			->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
			->setNewValue(
			array(
			'+' => mpull($auto_subscribe, 'getPHID'),
			));
			}

			$specs = array(
			array($auto_review, false),
			array($auto_block, true),
			);

			foreach ($specs as $spec) {
			list($reviewers, $blocking) = $spec;
			if (!$reviewers) {
			continue;
			}

			$phids = mpull($reviewers, 'getPHID');
			$xaction = $this->newAutoReviewTransaction($object, $phids, $blocking);
			if ($xaction) {
			$xactions[] = $xaction;
			}
			}

			return $xactions;
			}

			private function newAutoReviewTransaction(
			PhabricatorLiskDAO $object,
			array $phids,
			$is_blocking) {

			// TODO: This is substantially similar to DifferentialReviewersHeraldAction
			// and both are needlessly complex. This logic should live in the normal
			// transaction application pipeline. See T10967.

			$reviewers = $object->getReviewers();
			$reviewers = mpull($reviewers, null, 'getReviewerPHID');

			if ($is_blocking) {
			$new_status = DifferentialReviewerStatus::STATUS_BLOCKING;
			} else {
			$new_status = DifferentialReviewerStatus::STATUS_ADDED;
			}

			$new_strength = DifferentialReviewerStatus::getStatusStrength(
			$new_status);

			$current = array();
			foreach ($phids as $phid) {
			if (!isset($reviewers[$phid])) {
			continue;
			}

			// If we're applying a stronger status (usually, upgrading a reviewer
			// into a blocking reviewer), skip this check so we apply the change.
			$old_strength = DifferentialReviewerStatus::getStatusStrength(
			$reviewers[$phid]->getReviewerStatus());
			if ($old_strength <= $new_strength) {
			continue;
			}

			$current[] = $phid;
			}

			$phids = array_diff($phids, $current);

			if (!$phids) {
			return null;
			}

			$phids = array_fuse($phids);

			$value = array();
			foreach ($phids as $phid) {
			if ($is_blocking) {
			$value[] = 'blocking('.$phid.')';
			} else {
			$value[] = $phid;
			}
			}

			$owners_phid = id(new PhabricatorOwnersApplication())
			->getPHID();

			$reviewers_type = DifferentialRevisionReviewersTransaction::TRANSACTIONTYPE;

			return $object->getApplicationTransactionTemplate()
			->setAuthorPHID($owners_phid)
			->setTransactionType($reviewers_type)
			->setNewValue(
			array(
			'+' => $value,
			));
			}

			protected function buildHeraldAdapter(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$revision = id(new DifferentialRevisionQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($object->getPHID()))
			->needActiveDiffs(true)
			->needReviewers(true)
			->executeOne();
			if (!$revision) {
			throw new Exception(
			pht('Failed to load revision for Herald adapter construction!'));
			}

			$adapter = HeraldDifferentialRevisionAdapter::newLegacyAdapter(
			$revision,
			$revision->getActiveDiff());

			// If the object is still a draft, prevent "Send me an email" and other
			// similar rules from acting yet.
			if (!$object->shouldBroadcast()) {
			$adapter->setForbiddenAction(
			HeraldMailableState::STATECONST,
			DifferentialHeraldStateReasons::REASON_DRAFT);
			}

			// If this edit didn't actually change the diff (for example, a user
			// edited the title or changed subscribers), prevent "Run build plan"
			// and other similar rules from acting yet, since the build results will
			// not (or, at least, should not) change unless the actual source changes.
			// We also don't run Differential builds if the update was caused by
			// discovering a commit, as the expectation is that Diffusion builds take
			// over once things land.
			$has_update = false;
			$has_commit = false;

			$type_update = DifferentialTransaction::TYPE_UPDATE;
			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() != $type_update) {
			continue;
			}

			if ($xaction->getMetadataValue('isCommitUpdate')) {
			$has_commit = true;
			} else {
			$has_update = true;
			}

			break;
			}

			if ($has_commit) {
			$adapter->setForbiddenAction(
			HeraldBuildableState::STATECONST,
			DifferentialHeraldStateReasons::REASON_LANDED);
			} else if (!$has_update) {
			$adapter->setForbiddenAction(
			HeraldBuildableState::STATECONST,
			DifferentialHeraldStateReasons::REASON_UNCHANGED);
			}

			return $adapter;
			}

			/**
			* Update the table which links Differential revisions to paths they affect,
			* so Diffusion can efficiently find pending revisions for a given file.
			*/
			private function updateAffectedPathTable(
			DifferentialRevision $revision,
			DifferentialDiff $diff) {

			$repository = $revision->getRepository();
			if (!$repository) {
			// The repository where the code lives is untracked.
			return;
			}

			$path_prefix = null;

			$local_root = $diff->getSourceControlPath();
			if ($local_root) {
			// We're in a working copy which supports subdirectory checkouts (e.g.,
			// SVN) so we need to figure out what prefix we should add to each path
			// (e.g., trunk/projects/example/) to get the absolute path from the
			// root of the repository. DVCS systems like Git and Mercurial are not
			// affected.

			// Normalize both paths and check if the repository root is a prefix of
			// the local root. If so, throw it away. Note that this correctly handles
			// the case where the remote path is "/".
			$local_root = id(new PhutilURI($local_root))->getPath();
			$local_root = rtrim($local_root, '/');

			$repo_root = id(new PhutilURI($repository->getRemoteURI()))->getPath();
			$repo_root = rtrim($repo_root, '/');

			if (!strncmp($repo_root, $local_root, strlen($repo_root))) {
			$path_prefix = substr($local_root, strlen($repo_root));
			}
			}

			$changesets = $diff->getChangesets();
			$paths = array();
			foreach ($changesets as $changeset) {
			$paths[] = $path_prefix.'/'.$changeset->getFilename();
			}

			// Save the affected paths; we'll use them later to query Owners. This
			// uses the un-expanded paths.
			$this->affectedPaths = $paths;

			// Mark this as also touching all parent paths, so you can see all pending
			// changes to any file within a directory.
			$all_paths = array();
			foreach ($paths as $local) {
			foreach (DiffusionPathIDQuery::expandPathToRoot($local) as $path) {
			$all_paths[$path] = true;
			}
			}
			$all_paths = array_keys($all_paths);

			$path_ids =
			PhabricatorRepositoryCommitChangeParserWorker::lookupOrCreatePaths(
			$all_paths);

			$table = new DifferentialAffectedPath();
			$conn_w = $table->establishConnection('w');

			$sql = array();
			foreach ($path_ids as $path_id) {
			$sql[] = qsprintf(
			$conn_w,
			'(%d, %d, %d, %d)',
			$repository->getID(),
			$path_id,
			time(),
			$revision->getID());
			}

			queryfx(
			$conn_w,
			'DELETE FROM %T WHERE revisionID = %d',
			$table->getTableName(),
			$revision->getID());
			foreach (array_chunk($sql, 256) as $chunk) {
			queryfx(
			$conn_w,
			'INSERT INTO %T (repositoryID, pathID, epoch, revisionID) VALUES %Q',
			$table->getTableName(),
			implode(', ', $chunk));
			}
			}

			/**
			* Update the table connecting revisions to DVCS local hashes, so we can
			* identify revisions by commit/tree hashes.
			*/
			private function updateRevisionHashTable(
			DifferentialRevision $revision,
			DifferentialDiff $diff) {

			$vcs = $diff->getSourceControlSystem();
			if ($vcs == DifferentialRevisionControlSystem::SVN) {
			// Subversion has no local commit or tree hash information, so we don't
			// have to do anything.
			return;
			}

			$property = id(new DifferentialDiffProperty())->loadOneWhere(
			'diffID = %d AND name = %s',
			$diff->getID(),
			'local:commits');
			if (!$property) {
			return;
			}

			$hashes = array();

			$data = $property->getData();
			switch ($vcs) {
			case DifferentialRevisionControlSystem::GIT:
			foreach ($data as $commit) {
			$hashes[] = array(
			ArcanistDifferentialRevisionHash::HASH_GIT_COMMIT,
			$commit['commit'],
			);
			$hashes[] = array(
			ArcanistDifferentialRevisionHash::HASH_GIT_TREE,
			$commit['tree'],
			);
			}
			break;
			case DifferentialRevisionControlSystem::MERCURIAL:
			foreach ($data as $commit) {
			$hashes[] = array(
			ArcanistDifferentialRevisionHash::HASH_MERCURIAL_COMMIT,
			$commit['rev'],
			);
			}
			break;
			}

			$conn_w = $revision->establishConnection('w');

			$sql = array();
			foreach ($hashes as $info) {
			list($type, $hash) = $info;
			$sql[] = qsprintf(
			$conn_w,
			'(%d, %s, %s)',
			$revision->getID(),
			$type,
			$hash);
			}

			queryfx(
			$conn_w,
			'DELETE FROM %T WHERE revisionID = %d',
			ArcanistDifferentialRevisionHash::TABLE_NAME,
			$revision->getID());

			if ($sql) {
			queryfx(
			$conn_w,
			'INSERT INTO %T (revisionID, type, hash) VALUES %Q',
			ArcanistDifferentialRevisionHash::TABLE_NAME,
			implode(', ', $sql));
			}
			}

			private function renderAffectedFilesForMail(DifferentialDiff $diff) {
			$changesets = $diff->getChangesets();

			$filenames = mpull($changesets, 'getDisplayFilename');
			sort($filenames);

			$count = count($filenames);
			$max = 250;
			if ($count > $max) {
			$filenames = array_slice($filenames, 0, $max);
			$filenames[] = pht('(%d more files...)', ($count - $max));
			}

			return implode("\n", $filenames);
			}

			private function renderPatchHTMLForMail($patch) {
			return phutil_tag('pre',
			array('style' => 'font-family: monospace;'), $patch);
			}

			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();
			}

			protected function willPublish(PhabricatorLiskDAO $object, array $xactions) {
			// Reload to pick up the active diff and reviewer status.
			return id(new DifferentialRevisionQuery())
			->setViewer($this->getActor())
			->needReviewers(true)
			->needActiveDiffs(true)
			->withIDs(array($object->getID()))
			->executeOne();
			}

			protected function getCustomWorkerState() {
			return array(
			'changedPriorToCommitURI' => $this->changedPriorToCommitURI,
			'firstBroadcast' => $this->firstBroadcast,
			);
			}

			protected function loadCustomWorkerState(array $state) {
			$this->changedPriorToCommitURI = idx($state, 'changedPriorToCommitURI');
			$this->firstBroadcast = idx($state, 'firstBroadcast');
			return $this;
			}

			private function newCommandeerReviewerTransaction(
			DifferentialRevision $revision) {

			$actor_phid = $this->getActingAsPHID();
			$owner_phid = $revision->getAuthorPHID();

			// If the user is commandeering, add the previous owner as a
			// reviewer and remove the actor.

			$edits = array(
			'-' => array(
			$actor_phid,
			),
			'+' => array(
			$owner_phid,
			),
			);

			// NOTE: We're setting setIsCommandeerSideEffect() on this because normally
			// you can't add a revision's author as a reviewer, but this action swaps
			// them after validation executes.

			$xaction_type = DifferentialRevisionReviewersTransaction::TRANSACTIONTYPE;

			return id(new DifferentialTransaction())
			->setTransactionType($xaction_type)
			->setIgnoreOnNoEffect(true)
			->setIsCommandeerSideEffect(true)
			->setNewValue($edits);
			}

			public function getActiveDiff($object) {
			if ($this->getIsNewObject()) {
			return null;
			} else {
			return $object->getActiveDiff();
			}
			}

			/**
			* When a reviewer makes a comment, mark the last revision they commented
			* on.
			*
			* This allows us to show a hint to help authors and other reviewers quickly
			* distinguish between reviewers who have participated in the discussion and
			* reviewers who haven't been part of it.
			*/
			private function markReviewerComments($object, array $xactions) {
			$acting_phid = $this->getActingAsPHID();
			if (!$acting_phid) {
			return;
			}

			$diff = $this->getActiveDiff($object);
			if (!$diff) {
			return;
			}

			$has_comment = false;
			foreach ($xactions as $xaction) {
			if ($xaction->hasComment()) {
			$has_comment = true;
			break;
			}
			}

			if (!$has_comment) {
			return;
			}

			$reviewer_table = new DifferentialReviewer();
			$conn = $reviewer_table->establishConnection('w');

			queryfx(
			$conn,
			'UPDATE %T SET lastCommentDiffPHID = %s
			WHERE revisionPHID = %s
			AND reviewerPHID = %s',
			$reviewer_table->getTableName(),
			$diff->getPHID(),
			$object->getPHID(),
			$acting_phid);
			}

			private function loadUnbroadcastTransactions($object) {
			$viewer = $this->requireActor();

			$xactions = id(new DifferentialTransactionQuery())
			->setViewer($viewer)
			->withObjectPHIDs(array($object->getPHID()))
			->execute();

			return array_reverse($xactions);
			}


			protected function didApplyTransactions($object, array $xactions) {
			// In a moment, we're going to try to publish draft revisions which have
			// completed all their builds. However, we only want to do that if the
			// actor is either the revision author or an omnipotent user (generally,
			// the Harbormaster application).

			// If we let any actor publish the revision as a side effect of other
			// changes then an unlucky third party who innocently comments on the draft
			// can end up racing Harbormaster and promoting the revision. At best, this
			// is confusing. It can also run into validation problems with the "Request
			// Review" transaction. See PHI309 for some discussion.
			$author_phid = $object->getAuthorPHID();
			$viewer = $this->requireActor();
			$can_undraft =
			($this->getActingAsPHID() === $author_phid) \|\|
			($viewer->isOmnipotent());

			// If a draft revision has no outstanding builds and we're automatically
			// making drafts public after builds finish, make the revision public.
			if ($can_undraft) {
			$auto_undraft = !$object->getHoldAsDraft();
			} else {
			$auto_undraft = false;
			}

			if ($object->isDraft() && $auto_undraft) {
			$active_builds = $this->hasActiveBuilds($object);
			if (!$active_builds) {
			// When Harbormaster moves a revision out of the draft state, we
			// attribute the action to the revision author since this is more
			// natural and more useful.

			// Additionally, we change the acting PHID for the transaction set
			// to the author if it isn't already a user so that mail comes from
			// the natural author.
			$acting_phid = $this->getActingAsPHID();
			$user_type = PhabricatorPeopleUserPHIDType::TYPECONST;
			if (phid_get_type($acting_phid) != $user_type) {
			$this->setActingAsPHID($author_phid);
			}

			$xaction = $object->getApplicationTransactionTemplate()
			->setAuthorPHID($author_phid)
			->setTransactionType(
			DifferentialRevisionRequestReviewTransaction::TRANSACTIONTYPE)
			->setNewValue(true);

			// If we're creating this revision and immediately moving it out of
			// the draft state, mark this as a create transaction so it gets
			// hidden in the timeline and mail, since it isn't interesting: it
			// is as though the draft phase never happened.
			if ($this->getIsNewObject()) {
			$xaction->setIsCreateTransaction(true);
			}

			// Queue this transaction and apply it separately after the current
			// batch of transactions finishes so that Herald can fire on the new
			// revision state. See T13027 for discussion.
			$this->queueTransaction($xaction);
			}
			}

			// If the revision is new or was a draft, and is no longer a draft, we
			// might be sending the first email about it.

			// This might mean it was created directly into a non-draft state, or
			// it just automatically undrafted after builds finished, or a user
			// explicitly promoted it out of the draft state with an action like
			// "Request Review".

			// If we haven't sent any email about it yet, mark this email as the first
			// email so the mail gets enriched with "SUMMARY" and "TEST PLAN".

			$is_new = $this->getIsNewObject();
			$was_draft = $this->wasDraft;

			if (!$object->isDraft() && ($was_draft \|\| $is_new)) {
			if (!$object->getHasBroadcast()) {
			// Mark this as the first broadcast we're sending about the revision
			// so mail can generate specially.
			$this->firstBroadcast = true;

			$object
			->setHasBroadcast(true)
			->save();
			}
			}

			return $xactions;
			}

			private function hasActiveBuilds($object) {
			$viewer = $this->requireActor();

			$builds = $object->loadActiveBuilds($viewer);
			if (!$builds) {
			return false;
			}

			return true;
			}

			private function updateRevisionLineCounts(
			DifferentialRevision $revision,
			DifferentialDiff $diff) {

			$revision->setLineCount($diff->getLineCount());

			$conn = $revision->establishConnection('r');

			$row = queryfx_one(
			$conn,
			'SELECT SUM(addLines) A, SUM(delLines) D FROM %T
			WHERE diffID = %d',
			id(new DifferentialChangeset())->getTableName(),
			$diff->getID());

			if ($row) {
			$revision->setAddedLineCount((int)$row['A']);
			$revision->setRemovedLineCount((int)$row['D']);
			}
			}

			}

phab/src/applications/differential/editor/DifferentialTransactionEditor.php1ed327683f6aproduction

DifferentialTransactionEditor.phpView Options

phab/src/applications/differential/editor/DifferentialTransactionEditor.php
1ed327683f6aproduction

DifferentialTransactionEditor.php
View Options