D14152.id34195.diff
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D14152.id34195.diff
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	diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
	--- a/src/__phutil_library_map__.php
	+++ b/src/__phutil_library_map__.php
	@@ -1423,6 +1423,36 @@
	'PHUITypeaheadExample' => 'applications/uiexample/examples/PHUITypeaheadExample.php',
	'PHUIWorkboardView' => 'view/phui/PHUIWorkboardView.php',
	'PHUIWorkpanelView' => 'view/phui/PHUIWorkpanelView.php',
	+ 'PackagesConduitAPIMethod' => 'applications/packages/conduit/PackagesConduitAPIMethod.php',
	+ 'PackagesController' => 'applications/packages/controller/PackagesController.php',
	+ 'PackagesCreatePackageCapability' => 'applications/packages/capability/PackagesCreatePackageCapability.php',
	+ 'PackagesDAO' => 'applications/packages/storage/PackagesDAO.php',
	+ 'PackagesDefaultViewCapability' => 'applications/packages/capability/PackagesDefaultViewCapability.php',
	+ 'PackagesEditController' => 'applications/packages/controller/PackagesEditController.php',
	+ 'PackagesListController' => 'applications/packages/controller/PackagesListController.php',
	+ 'PackagesPackage' => 'applications/packages/storage/PackagesPackage.php',
	+ 'PackagesPackageDatasource' => 'applications/packages/typeahead/PackagesPackageDatasource.php',
	+ 'PackagesPackageEditor' => 'applications/packages/editor/PackagesPackageEditor.php',
	+ 'PackagesPackagePHIDType' => 'applications/packages/phid/PackagesPackagePHIDType.php',
	+ 'PackagesPackageQuery' => 'applications/packages/query/PackagesPackageQuery.php',
	+ 'PackagesPackageSearchEngine' => 'applications/packages/query/PackagesPackageSearchEngine.php',
	+ 'PackagesPackageTransaction' => 'applications/packages/storage/PackagesPackageTransaction.php',
	+ 'PackagesPackageTransactionQuery' => 'applications/packages/query/PackagesPackageTransactionQuery.php',
	+ 'PackagesSignVersionConduitAPIMethod' => 'applications/packages/conduit/PackagesSignVersionConduitAPIMethod.php',
	+ 'PackagesSignature' => 'applications/packages/storage/PackagesSignature.php',
	+ 'PackagesSignaturePHIDType' => 'applications/packages/phid/PackagesSignaturePHIDType.php',
	+ 'PackagesSignatureQuery' => 'applications/packages/query/PackagesSignatureQuery.php',
	+ 'PackagesSignatureSearchEngine' => 'applications/packages/query/PackagesSignatureSearchEngine.php',
	+ 'PackagesVersion' => 'applications/packages/storage/PackagesVersion.php',
	+ 'PackagesVersionEditController' => 'applications/packages/controller/PackagesVersionEditController.php',
	+ 'PackagesVersionEditor' => 'applications/packages/editor/PackagesVersionEditor.php',
	+ 'PackagesVersionListController' => 'applications/packages/controller/PackagesVersionListController.php',
	+ 'PackagesVersionPHIDType' => 'applications/packages/phid/PackagesVersionPHIDType.php',
	+ 'PackagesVersionQuery' => 'applications/packages/query/PackagesVersionQuery.php',
	+ 'PackagesVersionSearchEngine' => 'applications/packages/query/PackagesVersionSearchEngine.php',
	+ 'PackagesVersionTransaction' => 'applications/packages/storage/PackagesVersionTransaction.php',
	+ 'PackagesVersionViewController' => 'applications/packages/controller/PackagesVersionViewController.php',
	+ 'PackagesViewController' => 'applications/packages/controller/PackagesViewController.php',
	'PassphraseAbstractKey' => 'applications/passphrase/keys/PassphraseAbstractKey.php',
	'PassphraseConduitAPIMethod' => 'applications/passphrase/conduit/PassphraseConduitAPIMethod.php',
	'PassphraseController' => 'applications/passphrase/controller/PassphraseController.php',
	@@ -2473,6 +2503,7 @@
	'PhabricatorPHPASTApplication' => 'applications/phpast/application/PhabricatorPHPASTApplication.php',
	'PhabricatorPHPConfigSetupCheck' => 'applications/config/check/PhabricatorPHPConfigSetupCheck.php',
	'PhabricatorPHPMailerConfigOptions' => 'applications/config/option/PhabricatorPHPMailerConfigOptions.php',
	+ 'PhabricatorPackagesApplication' => 'applications/packages/application/PhabricatorPackagesApplication.php',
	'PhabricatorPagedFormUIExample' => 'applications/uiexample/examples/PhabricatorPagedFormUIExample.php',
	'PhabricatorPagerUIExample' => 'applications/uiexample/examples/PhabricatorPagerUIExample.php',
	'PhabricatorPassphraseApplication' => 'applications/passphrase/application/PhabricatorPassphraseApplication.php',
	@@ -5250,6 +5281,59 @@
	'PHUITypeaheadExample' => 'PhabricatorUIExample',
	'PHUIWorkboardView' => 'AphrontTagView',
	'PHUIWorkpanelView' => 'AphrontTagView',
	+ 'PackagesConduitAPIMethod' => 'ConduitAPIMethod',
	+ 'PackagesController' => 'PhabricatorController',
	+ 'PackagesCreatePackageCapability' => 'PhabricatorPolicyCapability',
	+ 'PackagesDAO' => 'PhabricatorLiskDAO',
	+ 'PackagesDefaultViewCapability' => 'PhabricatorPolicyCapability',
	+ 'PackagesEditController' => 'PackagesController',
	+ 'PackagesListController' => 'PackagesController',
	+ 'PackagesPackage' => array(
	+ 'PackagesDAO',
	+ 'PhabricatorPolicyInterface',
	+ 'PhabricatorProjectInterface',
	+ 'PhabricatorApplicationTransactionInterface',
	+ 'PhabricatorSubscribableInterface',
	+ 'PhabricatorMentionableInterface',
	+ 'PhabricatorFlaggableInterface',
	+ 'PhabricatorTokenReceiverInterface',
	+ 'PhabricatorDestructibleInterface',
	+ ),
	+ 'PackagesPackageDatasource' => 'PhabricatorTypeaheadDatasource',
	+ 'PackagesPackageEditor' => 'PhabricatorApplicationTransactionEditor',
	+ 'PackagesPackagePHIDType' => 'PhabricatorPHIDType',
	+ 'PackagesPackageQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
	+ 'PackagesPackageSearchEngine' => 'PhabricatorApplicationSearchEngine',
	+ 'PackagesPackageTransaction' => 'PhabricatorApplicationTransaction',
	+ 'PackagesPackageTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
	+ 'PackagesSignVersionConduitAPIMethod' => 'PackagesConduitAPIMethod',
	+ 'PackagesSignature' => array(
	+ 'PackagesDAO',
	+ 'PhabricatorPolicyInterface',
	+ 'PhabricatorDestructibleInterface',
	+ ),
	+ 'PackagesSignaturePHIDType' => 'PhabricatorPHIDType',
	+ 'PackagesSignatureQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
	+ 'PackagesSignatureSearchEngine' => 'PhabricatorApplicationSearchEngine',
	+ 'PackagesVersion' => array(
	+ 'PackagesDAO',
	+ 'PhabricatorPolicyInterface',
	+ 'PhabricatorProjectInterface',
	+ 'PhabricatorApplicationTransactionInterface',
	+ 'PhabricatorSubscribableInterface',
	+ 'PhabricatorMentionableInterface',
	+ 'PhabricatorFlaggableInterface',
	+ 'PhabricatorDestructibleInterface',
	+ ),
	+ 'PackagesVersionEditController' => 'PackagesController',
	+ 'PackagesVersionEditor' => 'PhabricatorApplicationTransactionEditor',
	+ 'PackagesVersionListController' => 'PackagesController',
	+ 'PackagesVersionPHIDType' => 'PhabricatorPHIDType',
	+ 'PackagesVersionQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
	+ 'PackagesVersionSearchEngine' => 'PhabricatorApplicationSearchEngine',
	+ 'PackagesVersionTransaction' => 'PhabricatorApplicationTransaction',
	+ 'PackagesVersionViewController' => 'PackagesController',
	+ 'PackagesViewController' => 'PackagesController',
	'PassphraseAbstractKey' => 'Phobject',
	'PassphraseConduitAPIMethod' => 'ConduitAPIMethod',
	'PassphraseController' => 'PhabricatorController',
	@@ -6474,6 +6558,7 @@
	'PhabricatorPHPASTApplication' => 'PhabricatorApplication',
	'PhabricatorPHPConfigSetupCheck' => 'PhabricatorSetupCheck',
	'PhabricatorPHPMailerConfigOptions' => 'PhabricatorApplicationConfigOptions',
	+ 'PhabricatorPackagesApplication' => 'PhabricatorApplication',
	'PhabricatorPagedFormUIExample' => 'PhabricatorUIExample',
	'PhabricatorPagerUIExample' => 'PhabricatorUIExample',
	'PhabricatorPassphraseApplication' => 'PhabricatorApplication',
	diff --git a/src/applications/packages/application/PhabricatorPackagesApplication.php b/src/applications/packages/application/PhabricatorPackagesApplication.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/application/PhabricatorPackagesApplication.php
	@@ -0,0 +1,64 @@
	+<?php
	+
	+final class PhabricatorPackagesApplication extends PhabricatorApplication {
	+
	+ public function getName() {
	+ return pht('Packages');
	+ }
	+
	+ public function getShortDescription() {
	+ return pht('Package Listing');
	+ }
	+
	+ public function getFlavorText() {
	+ return pht('Expand your Arcanist');
	+ }
	+
	+ public function getBaseURI() {
	+ return '/packages/';
	+ }
	+
	+ public function getFontIcon() {
	+ return 'fa-battery-3';
	+ }
	+
	+ public function isPrototype() {
	+ return true;
	+ }
	+
	+ protected function getCustomCapabilities() {
	+ return array(
	+ PackagesDefaultViewCapability::CAPABILITY => array(
	+ 'caption' => pht('Default view policy for newly created packages.'),
	+ 'template' => PackagesPackagePHIDType::TYPECONST,
	+ ),
	+ PackagesCreatePackageCapability::CAPABILITY => array(
	+ 'default' => PhabricatorPolicies::POLICY_ADMIN,
	+ ),
	+ );
	+ }
	+
	+ public function getRoutes() {
	+ return array(
	+ '/packages/' => array(
	+ '(?:query/(?P<queryKey>[^/]+)/)?' => 'PackagesListController',
	+ 'package/' => array(
	+ '(?P<id>[1-9]\d*)/' => 'PackagesViewController',
	+ 'create/' => 'PackagesEditController',
	+ 'edit/(?P<id>[1-9]\d*)/' => 'PackagesEditController',
	+ ),
	+ 'version/' => array(
	+ '(?:query/(?P<queryKey>[^/]+)/)?' => 'PackagesVersionListController',
	+ '(?P<id>[1-9]\d*)/' => 'PackagesVersionViewController',
	+ 'edit/(?P<id>[1-9]\d*)/' => 'PackagesVersionEditController',
	+ 'create/' => 'PackagesVersionEditController',
	+ ),
	+ 'signature/' => array(
	+ '(?:query/(?P<queryKey>[^/]+)/)?' => 'PackagesSignatureListControler',
	+ '(?P<id>[1-9]\d*)/' => 'PackagesSignatureViewController',
	+ ),
	+ ),
	+ );
	+ }
	+
	+}
	diff --git a/src/applications/packages/capability/PackagesCreatePackageCapability.php b/src/applications/packages/capability/PackagesCreatePackageCapability.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/capability/PackagesCreatePackageCapability.php
	@@ -0,0 +1,16 @@
	+<?php
	+
	+final class PackagesCreatePackageCapability
	+ extends PhabricatorPolicyCapability {
	+
	+ const CAPABILITY = 'packages.create';
	+
	+ public function getCapabilityName() {
	+ return pht('Can Create packages');
	+ }
	+
	+ public function describeCapabilityRejection() {
	+ return pht('You do not have permission to create Fund initiatives.');
	+ }
	+
	+}
	diff --git a/src/applications/packages/capability/PackagesDefaultViewCapability.php b/src/applications/packages/capability/PackagesDefaultViewCapability.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/capability/PackagesDefaultViewCapability.php
	@@ -0,0 +1,15 @@
	+<?php
	+
	+final class PackagesDefaultViewCapability extends PhabricatorPolicyCapability {
	+
	+ const CAPABILITY = 'packages.default.view';
	+
	+ public function getCapabilityName() {
	+ return pht('Default View Policy');
	+ }
	+
	+ public function shouldAllowPublicPolicySetting() {
	+ return true;
	+ }
	+
	+}
	diff --git a/src/applications/packages/conduit/PackagesConduitAPIMethod.php b/src/applications/packages/conduit/PackagesConduitAPIMethod.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/conduit/PackagesConduitAPIMethod.php
	@@ -0,0 +1,17 @@
	+<?php
	+
	+abstract class PackagesConduitAPIMethod extends ConduitAPIMethod {
	+
	+ final public function getApplication() {
	+ return PhabricatorApplication::getByClass(
	+ 'PhabricatorPackagesApplication');
	+ }
	+
	+ public function getMethodStatus() {
	+ return self::METHOD_STATUS_UNSTABLE;
	+ }
	+
	+ public function getMethodStatusDescription() {
	+ return pht('All Packages APIs are new and subject to change.');
	+ }
	+}
	diff --git a/src/applications/packages/conduit/PackagesSignVersionConduitAPIMethod.php b/src/applications/packages/conduit/PackagesSignVersionConduitAPIMethod.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/conduit/PackagesSignVersionConduitAPIMethod.php
	@@ -0,0 +1,53 @@
	+<?php
	+
	+final class PackagesSignVersionConduitAPIMethod
	+ extends PackagesConduitAPIMethod {
	+
	+ public function getAPIMethodName() {
	+ return 'packages.signversion';
	+ }
	+
	+ public function getMethodSummary() {
	+ return pht('Vouch for a Package Version.');
	+ }
	+
	+ public function getMethodDescription() {
	+ return 'Use this method to sign and vouch for a version of package.';
	+ }
	+
	+ protected function defineParamTypes() {
	+ return array(
	+ 'versionPHID' => 'phid',
	+ 'publicKey' => 'string',
	+ 'signature' => 'string',
	+ );
	+ }
	+
	+ protected function defineReturnType() {
	+ return 'phid';
	+ }
	+
	+ protected function execute(ConduitAPIRequest $request) {
	+ $viewer = $request->getUser();
	+
	+
	+ $version = id(new PackagesVersionQuery())
	+ ->setViewer($viewer)
	+ ->withPHIDs(array($request->getValue('versionPHID')))
	+ ->executeOne();
	+ if (!$version) {
	+ throw new Exception(pht('No such version'));
	+ }
	+
	+ $signature = PackagesSignature::initializeNewSignature($viewer);
	+
	+ $signature->setVersionPHID($version->getPHID());
	+ $signature->setSignature($request->getValue('publicKey'));
	+ $signature->setPublicKey($request->getValue('signature'));
	+
	+ $signature->save();
	+
	+ return $signature->getPHID();
	+ }
	+
	+}
	diff --git a/src/applications/packages/controller/PackagesController.php b/src/applications/packages/controller/PackagesController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesController.php
	@@ -0,0 +1,3 @@
	+<?php
	+
	+abstract class PackagesController extends PhabricatorController {}
	diff --git a/src/applications/packages/controller/PackagesEditController.php b/src/applications/packages/controller/PackagesEditController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesEditController.php
	@@ -0,0 +1,193 @@
	+<?php
	+
	+final class PackagesEditController
	+ extends PackagesController {
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $viewer = $request->getViewer();
	+ $id = $request->getURIData('id');
	+
	+ if ($id) {
	+ $package = id(new PackagesPackageQuery())
	+ ->setViewer($viewer)
	+ ->withIDs(array($id))
	+ ->requireCapabilities(
	+ array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ ))
	+ ->executeOne();
	+ if (!$package) {
	+ return new Aphront404Response();
	+ }
	+ $is_new = false;
	+ } else {
	+ $package = PackagesPackage::initializeNewPackage($viewer);
	+ $is_new = true;
	+ }
	+
	+ if ($is_new) {
	+ $title = pht('Create Package');
	+ $button_text = pht('Create Package');
	+ $cancel_uri = $this->getApplicationURI();
	+ } else {
	+ $title = pht(
	+ 'Edit Package %s',
	+ $package->getName());
	+ $button_text = pht('Save Changes');
	+ $cancel_uri = $package->getURI();
	+ }
	+
	+ $e_name = true;
	+ $v_name = $package->getName();
	+
	+ $v_desc = $package->getDescription();
	+
	+ $e_uri = true;
	+ $v_uri = $package->getDownloadUri();
	+
	+ if ($is_new) {
	+ $v_projects = array();
	+ } else {
	+ $v_projects = PhabricatorEdgeQuery::loadDestinationPHIDs(
	+ $package->getPHID(),
	+ PhabricatorProjectObjectHasProjectEdgeType::EDGECONST);
	+ $v_projects = array_reverse($v_projects);
	+ }
	+
	+ $validation_exception = null;
	+ if ($request->isFormPost()) {
	+ $v_name = $request->getStr('name');
	+ $v_desc = $request->getStr('description');
	+ $v_uri = $request->getStr('uri');
	+ $v_view = $request->getStr('viewPolicy');
	+ $v_edit = $request->getStr('editPolicy');
	+ $v_projects = $request->getArr('projects');
	+
	+ $type_name = PackagesPackageTransaction::TYPE_NAME;
	+ $type_desc = PackagesPackageTransaction::TYPE_DESCRIPTION;
	+ $type_uri = PackagesPackageTransaction::TYPE_URI;
	+ $type_view = PhabricatorTransactions::TYPE_VIEW_POLICY;
	+ $type_edit = PhabricatorTransactions::TYPE_EDIT_POLICY;
	+
	+ $xactions = array();
	+
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType($type_name)
	+ ->setNewValue($v_name);
	+
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType($type_desc)
	+ ->setNewValue($v_desc);
	+
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType($type_uri)
	+ ->setNewValue($v_uri);
	+
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType($type_view)
	+ ->setNewValue($v_view);
	+
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType($type_edit)
	+ ->setNewValue($v_edit);
	+
	+ $proj_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
	+ $xactions[] = id(new PackagesPackageTransaction())
	+ ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
	+ ->setMetadataValue('edge:type', $proj_edge_type)
	+ ->setNewValue(array('=' => array_fuse($v_projects)));
	+
	+ $editor = id(new PackagesPackageEditor())
	+ ->setActor($viewer)
	+ ->setContentSourceFromRequest($request)
	+ ->setContinueOnNoEffect(true);
	+
	+ try {
	+ $editor->applyTransactions($package, $xactions);
	+
	+ return id(new AphrontRedirectResponse())
	+ ->setURI($package->getURI());
	+ } catch (PhabricatorApplicationTransactionValidationException $ex) {
	+ $validation_exception = $ex;
	+
	+ $e_name = $ex->getShortMessage($type_name);
	+ $e_uri = $ex->getShortMessage($type_uri);
	+
	+ $package->setViewPolicy($v_view);
	+ $package->setEditPolicy($v_edit);
	+ }
	+ }
	+
	+ $policies = id(new PhabricatorPolicyQuery())
	+ ->setViewer($viewer)
	+ ->setObject($package)
	+ ->execute();
	+
	+ $form = id(new AphrontFormView())
	+ ->setUser($viewer)
	+ ->appendChild(
	+ id(new AphrontFormTextControl())
	+ ->setName('name')
	+ ->setLabel(pht('Name'))
	+ ->setValue($v_name)
	+ ->setError($e_name))
	+ ->appendChild(
	+ id(new PhabricatorRemarkupControl())
	+ ->setUser($viewer)
	+ ->setName('description')
	+ ->setLabel(pht('Description'))
	+ ->setValue($v_desc))
	+ ->appendChild(
	+ id(new AphrontFormTextControl()) // TODO validate uri.
	+ ->setName('uri')
	+ ->setLabel(pht('Download URI'))
	+ ->setValue($v_uri)
	+ ->setError($e_uri))
	+ ->appendControl(
	+ id(new AphrontFormTokenizerControl())
	+ ->setLabel(pht('Projects'))
	+ ->setName('projects')
	+ ->setValue($v_projects)
	+ ->setDatasource(new PhabricatorProjectDatasource()))
	+ ->appendChild(
	+ id(new AphrontFormPolicyControl())
	+ ->setName('viewPolicy')
	+ ->setPolicyObject($package)
	+ ->setCapability(PhabricatorPolicyCapability::CAN_VIEW)
	+ ->setPolicies($policies))
	+ ->appendChild(
	+ id(new AphrontFormPolicyControl())
	+ ->setName('editPolicy')
	+ ->setPolicyObject($package)
	+ ->setCapability(PhabricatorPolicyCapability::CAN_EDIT)
	+ ->setPolicies($policies))
	+ ->appendChild(
	+ id(new AphrontFormSubmitControl())
	+ ->setValue($button_text)
	+ ->addCancelButton($cancel_uri));
	+
	+ $crumbs = $this->buildApplicationCrumbs();
	+ if ($is_new) {
	+ $crumbs->addTextCrumb(pht('Create package'));
	+ } else {
	+ $crumbs->addTextCrumb($package->getName());
	+ $crumbs->addTextCrumb(pht('Edit'));
	+ }
	+
	+ $box = id(new PHUIObjectBoxView())
	+ ->setValidationException($validation_exception)
	+ ->setHeaderText($title)
	+ ->appendChild($form);
	+
	+ return $this->buildApplicationPage(
	+ array(
	+ $crumbs,
	+ $box,
	+ ),
	+ array(
	+ 'title' => $title,
	+ ));
	+ }
	+
	+}
	diff --git a/src/applications/packages/controller/PackagesListController.php b/src/applications/packages/controller/PackagesListController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesListController.php
	@@ -0,0 +1,56 @@
	+<?php
	+
	+final class PackagesListController
	+ extends PackagesController {
	+
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $querykey = $request->getURIData('queryKey');
	+
	+ $controller = id(new PhabricatorApplicationSearchController())
	+ ->setQueryKey($querykey)
	+ ->setSearchEngine(new PackagesPackageSearchEngine())
	+ ->setNavigation($this->buildSideNavView());
	+
	+ return $this->delegateToController($controller);
	+ }
	+
	+
	+ public function buildSideNavView() {
	+ $viewer = $this->getViewer();
	+
	+ $nav = new AphrontSideNavFilterView();
	+ $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
	+
	+ id(new PackagesPackageSearchEngine())
	+ ->setViewer($viewer)
	+ ->addNavigationItems($nav->getMenu());
	+
	+ $nav->addLabel(pht('Versions'));
	+ $nav->addFilter('version/', pht('Manage Versions'));
	+
	+ $nav->selectFilter(null);
	+
	+ return $nav;
	+ }
	+
	+
	+ protected function buildApplicationCrumbs() {
	+ $crumbs = parent::buildApplicationCrumbs();
	+
	+ $can_create = $this->hasApplicationCapability(
	+ PackagesCreatePackageCapability::CAPABILITY);
	+
	+ $crumbs->addAction(
	+ id(new PHUIListItemView())
	+ ->setName(pht('Create Package'))
	+ ->setHref($this->getApplicationURI('package/create/'))
	+ ->setIcon('fa-plus-square')
	+ ->setDisabled(!$can_create)
	+ ->setWorkflow(!$can_create));
	+
	+ return $crumbs;
	+ }
	+
	+
	+}
	diff --git a/src/applications/packages/controller/PackagesVersionEditController.php b/src/applications/packages/controller/PackagesVersionEditController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesVersionEditController.php
	@@ -0,0 +1,241 @@
	+<?php
	+
	+final class PackagesVersionEditController
	+ extends PackagesController {
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $viewer = $request->getViewer();
	+ $id = $request->getURIData('id');
	+
	+ if ($id) {
	+ $version = id(new PackagesVersionQuery())
	+ ->setViewer($viewer)
	+ ->withIDs(array($id))
	+ ->requireCapabilities(
	+ array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ ))
	+ ->executeOne();
	+ if (!$version) {
	+ return new Aphront404Response();
	+ }
	+ $is_new = false;
	+ } else {
	+ $version = PackagesVersion::initializeNewVersion($viewer);
	+ $is_new = true;
	+ }
	+
	+ if ($is_new) {
	+ $title = pht('Create Package Version');
	+ $button_text = pht('Create Version');
	+ $cancel_uri = $this->getApplicationURI();
	+ } else {
	+ $title = pht(
	+ 'Edit Package Version %s',
	+ $version->getTitle());
	+ $button_text = pht('Save Changes');
	+ $cancel_uri = $version->getURI();
	+ }
	+
	+
	+ $e_package = true;
	+ $v_package_phid = $version->getPackagePHID();
	+
	+ $package_id = $request->getInt('package');
	+ if ($is_new && $package_id) {
	+ $package = id(new PackagesPackageQuery())
	+ ->setViewer($viewer)
	+ ->withIDs(array($package_id))
	+ ->requireCapabilities(
	+ array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ ))
	+ ->executeOne();
	+ $v_package_phid = $package->getPHID();
	+ }
	+
	+
	+ $e_title = true;
	+ $v_title = $version->getTitle();
	+
	+ $v_desc = $version->getDescription();
	+
	+ $e_commit = true;
	+ $v_commit = $version->getCommitHash();
	+
	+ $e_epoch = true;
	+ $v_epoch = $version->getReleaseEpoch();
	+
	+ if ($is_new) {
	+ $v_projects = array();
	+ } else {
	+ $v_projects = PhabricatorEdgeQuery::loadDestinationPHIDs(
	+ $version->getPHID(),
	+ PhabricatorProjectObjectHasProjectEdgeType::EDGECONST);
	+ $v_projects = array_reverse($v_projects);
	+ }
	+
	+ $validation_exception = null;
	+ if ($request->isFormPost()) {
	+ $v_title = $request->getStr('title');
	+ $v_desc = $request->getStr('description');
	+ $v_package_phid = $request->getStr('package');
	+ $v_commit = $request->getStr('commit');
	+ $v_epoch = $request->getStr('epoch');
	+ $v_view = $request->getStr('viewPolicy');
	+ $v_edit = $request->getStr('editPolicy');
	+ $v_projects = $request->getArr('projects');
	+
	+ $type_title = PackagesVersionTransaction::TYPE_TITLE;
	+ $type_desc = PackagesVersionTransaction::TYPE_DESCRIPTION;
	+ $type_package = PackagesVersionTransaction::TYPE_PACKAGE;
	+ $type_commit = PackagesVersionTransaction::TYPE_COMMIT_HASH;
	+ $type_epoch = PackagesVersionTransaction::TYPE_RELEASE_EPOCH;
	+ $type_view = PhabricatorTransactions::TYPE_VIEW_POLICY;
	+ $type_edit = PhabricatorTransactions::TYPE_EDIT_POLICY;
	+
	+ $xactions = array();
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_title)
	+ ->setNewValue($v_title);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_desc)
	+ ->setNewValue($v_desc);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_package)
	+ ->setNewValue($v_package_phid);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_commit)
	+ ->setNewValue($v_commit);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_epoch)
	+ ->setNewValue($v_epoch);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_view)
	+ ->setNewValue($v_view);
	+
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType($type_edit)
	+ ->setNewValue($v_edit);
	+
	+ $proj_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
	+ $xactions[] = id(new PackagesVersionTransaction())
	+ ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
	+ ->setMetadataValue('edge:type', $proj_edge_type)
	+ ->setNewValue(array('=' => array_fuse($v_projects)));
	+
	+ $editor = id(new PackagesVersionEditor())
	+ ->setActor($viewer)
	+ ->setContentSourceFromRequest($request)
	+ ->setContinueOnNoEffect(true);
	+
	+ try {
	+ $editor->applyTransactions($version, $xactions);
	+
	+ return id(new AphrontRedirectResponse())
	+ ->setURI($version->getURI());
	+ } catch (PhabricatorApplicationTransactionValidationException $ex) {
	+ $validation_exception = $ex;
	+
	+ $e_title = $ex->getShortMessage($type_title);
	+ $e_package = $ex->getShortMessage($type_package);
	+ $e_commit = $ex->getShortMessage($type_commit);
	+ $e_epoch = $ex->getShortMessage($type_epoch);
	+
	+ $version->setViewPolicy($v_view);
	+ $version->setEditPolicy($v_edit);
	+ }
	+ }
	+
	+ $policies = id(new PhabricatorPolicyQuery())
	+ ->setViewer($viewer)
	+ ->setObject($version)
	+ ->execute();
	+
	+ $form = id(new AphrontFormView())
	+ ->setUser($viewer)
	+ ->appendChild(
	+ id(new AphrontFormStaticControl())
	+ ->setLabel(pht('Package'))
	+ ->setValue($viewer->renderHandle($v_package_phid)))
	+ ->addHiddenInput('package', $v_package_phid)
	+ ->appendChild(
	+ id(new AphrontFormTextControl())
	+ ->setName('title')
	+ ->setLabel(pht('Title'))
	+ ->setValue($v_title)
	+ ->setError($e_title))
	+ ->appendChild(
	+ id(new PhabricatorRemarkupControl())
	+ ->setUser($viewer)
	+ ->setName('description')
	+ ->setLabel(pht('Description'))
	+ ->setValue($v_desc))
	+ ->appendChild(
	+ id(new AphrontFormTextControl()) // TODO validate
	+ ->setName('commit')
	+ ->setLabel(pht('Commit Hash'))
	+ ->setValue($v_commit)
	+ ->setError($e_commit))
	+ ->appendChild(
	+ id(new AphrontFormDateControl()) // TODO
	+ ->setName('epoch')
	+ ->setLabel(pht('Release Time'))
	+ ->setUser($viewer)
	+ ->setValue($v_epoch)
	+ ->setError($e_epoch))
	+ ->appendControl(
	+ id(new AphrontFormTokenizerControl())
	+ ->setLabel(pht('Projects'))
	+ ->setName('projects')
	+ ->setValue($v_projects)
	+ ->setDatasource(new PhabricatorProjectDatasource()))
	+ ->appendChild(
	+ id(new AphrontFormPolicyControl())
	+ ->setName('viewPolicy')
	+ ->setPolicyObject($version)
	+ ->setCapability(PhabricatorPolicyCapability::CAN_VIEW)
	+ ->setPolicies($policies))
	+ ->appendChild(
	+ id(new AphrontFormPolicyControl())
	+ ->setName('editPolicy')
	+ ->setPolicyObject($version)
	+ ->setCapability(PhabricatorPolicyCapability::CAN_EDIT)
	+ ->setPolicies($policies))
	+ ->appendChild(
	+ id(new AphrontFormSubmitControl())
	+ ->setValue($button_text)
	+ ->addCancelButton($cancel_uri));
	+
	+ $crumbs = $this->buildApplicationCrumbs();
	+ if ($is_new) {
	+ $crumbs->addTextCrumb(pht('Create package'));
	+ } else {
	+ $crumbs->addTextCrumb($version->getTitle());
	+ $crumbs->addTextCrumb(pht('Edit'));
	+ }
	+
	+ $box = id(new PHUIObjectBoxView())
	+ ->setValidationException($validation_exception)
	+ ->setHeaderText($title)
	+ ->appendChild($form);
	+
	+ return $this->buildApplicationPage(
	+ array(
	+ $crumbs,
	+ $box,
	+ ),
	+ array(
	+ 'title' => $title,
	+ ));
	+ }
	+
	+}
	diff --git a/src/applications/packages/controller/PackagesVersionListController.php b/src/applications/packages/controller/PackagesVersionListController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesVersionListController.php
	@@ -0,0 +1,36 @@
	+<?php
	+
	+final class PackagesVersionListController
	+ extends PackagesController {
	+
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $querykey = $request->getURIData('queryKey');
	+
	+ $controller = id(new PhabricatorApplicationSearchController())
	+ ->setQueryKey($querykey)
	+ ->setSearchEngine(new PackagesVersionSearchEngine())
	+ ->setNavigation($this->buildSideNavView());
	+
	+ return $this->delegateToController($controller);
	+ }
	+
	+
	+ public function buildSideNavView() {
	+ $viewer = $this->getViewer();
	+
	+ $nav = new AphrontSideNavFilterView();
	+ $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
	+
	+ id(new PackagesVersionSearchEngine())
	+ ->setViewer($viewer)
	+ ->addNavigationItems($nav->getMenu());
	+
	+ $nav->selectFilter(null);
	+
	+ return $nav;
	+ }
	+
	+
	+
	+}
	diff --git a/src/applications/packages/controller/PackagesVersionViewController.php b/src/applications/packages/controller/PackagesVersionViewController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesVersionViewController.php
	@@ -0,0 +1,150 @@
	+<?php
	+
	+final class PackagesVersionViewController
	+ extends PackagesController {
	+
	+ public function shouldAllowPublic() {
	+ return true;
	+ }
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $viewer = $request->getViewer();
	+ $id = $request->getURIData('id');
	+
	+ $version = id(new PackagesVersionQuery())
	+ ->setViewer($viewer)
	+ ->withIDs(array($id))
	+ ->executeOne();
	+ if (!$version) {
	+ return 'no';
	+ }
	+
	+ $package = id(new PackagesPackageQuery())
	+ ->setViewer($viewer)
	+ ->withPHIDs(array($version->getPackagePHID()))
	+ ->executeOne();
	+
	+ $crumbs = $this->buildApplicationCrumbs();
	+ $crumbs->addTextCrumb($package->getName(), $package->getURI());
	+ $crumbs->addTextCrumb($version->getTitle());
	+
	+ $title = pht(
	+ '%s',
	+ $version->getTitle());
	+
	+ $header = id(new PHUIHeaderView())
	+ ->setHeader($version->getTitle())
	+ ->setUser($viewer)
	+ ->setPolicyObject($version);
	+
	+ $properties = $this->buildPropertyListView($version);
	+ $actions = $this->buildActionListView($version);
	+ $properties->setActionList($actions);
	+
	+ $box = id(new PHUIObjectBoxView())
	+ ->setHeader($header)
	+ ->addPropertyList($properties);
	+
	+ $signatures = $this->buildSignaturesList($version);
	+
	+ $timeline = $this->buildTransactionTimeline(
	+ $version,
	+ new FundInitiativeTransactionQuery());
	+ $timeline
	+ ->setShouldTerminate(true);
	+
	+ return $this->buildApplicationPage(
	+ array(
	+ $crumbs,
	+ $box,
	+ $signatures,
	+ $timeline,
	+ ),
	+ array(
	+ 'title' => $title,
	+ 'pageObjects' => array($version->getPHID()),
	+ ));
	+ }
	+
	+ private function buildPropertyListView(PackagesVersion $version) {
	+ $viewer = $this->getRequest()->getUser();
	+
	+ $view = id(new PHUIPropertyListView())
	+ ->setUser($viewer)
	+ ->setObject($version);
	+
	+ $view->invokeWillRenderEvent();
	+
	+
	+ $view->addProperty(
	+ pht('Package'),
	+ $viewer->renderHandle($version->getPackagePHID()));
	+
	+ $view->addProperty(
	+ pht('Commit Hash'),
	+ $version->getCommitHash());
	+ $view->addProperty(
	+ pht('Release Date'),
	+ $version->getReleaseEpoch()); // TODO
	+
	+ $description = $version->getDescription();
	+ if (strlen($description)) {
	+ $description = PhabricatorMarkupEngine::renderOneObject(
	+ id(new PhabricatorMarkupOneOff())->setContent($description),
	+ 'default',
	+ $viewer);
	+
	+ $view->addSectionHeader(pht('Description'));
	+ $view->addTextContent($description);
	+ }
	+
	+ return $view;
	+ }
	+
	+ private function buildActionListView(PackagesVersion $version) {
	+ $viewer = $this->getRequest()->getUser();
	+ $id = $version->getID();
	+
	+ $can_edit = PhabricatorPolicyFilter::hasCapability(
	+ $viewer,
	+ $version,
	+ PhabricatorPolicyCapability::CAN_EDIT);
	+
	+ $view = id(new PhabricatorActionListView())
	+ ->setUser($viewer)
	+ ->setObject($version);
	+
	+ $view->addAction(
	+ id(new PhabricatorActionView())
	+ ->setName(pht('Edit Version'))
	+ ->setIcon('fa-pencil')
	+ ->setDisabled(!$can_edit)
	+ ->setWorkflow(!$can_edit)
	+ ->setHref($this->getApplicationURI("version/edit/{$id}/")));
	+
	+ return $view;
	+ }
	+
	+ private function buildSignaturesList(PackagesVersion $version) {
	+ $viewer = $this->getRequest()->getUser();
	+ $signatures = id(new PackagesSignatureQuery())
	+ ->setViewer($viewer)
	+ ->withVersionPHIDs(array($version->getPHID()))
	+ ->execute();
	+
	+ $list = new PHUIObjectItemListView();
	+ $list->setNoDataString(pht('Nobody.'));
	+
	+ foreach ($signatures as $sig) {
	+ $list->addItem(
	+ id(new PHUIObjectItemView())
	+ ->setHeader($viewer->renderHandle($sig->getSignerPHID())));
	+ }
	+
	+ $box = id(new PHUIObjectBoxView())
	+ ->setHeaderText('Vouched For By')
	+ ->setObjectList($list);
	+
	+ return $box;
	+ }
	+}
	diff --git a/src/applications/packages/controller/PackagesViewController.php b/src/applications/packages/controller/PackagesViewController.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/controller/PackagesViewController.php
	@@ -0,0 +1,138 @@
	+<?php
	+
	+final class PackagesViewController
	+ extends PackagesController {
	+
	+ public function shouldAllowPublic() {
	+ return true;
	+ }
	+
	+
	+ public function handleRequest(AphrontRequest $request) {
	+ $viewer = $request->getViewer();
	+ $id = $request->getURIData('id');
	+
	+ $package = id(new PackagesPackageQuery())
	+ ->setViewer($viewer)
	+ ->withIDs(array($id))
	+ ->executeOne();
	+ if (!$package) {
	+ return new Aphront404Response();
	+ }
	+
	+ $crumbs = $this->buildApplicationCrumbs();
	+ $crumbs->addTextCrumb($package->getName());
	+
	+ $title = pht(
	+ '%s',
	+ $package->getName());
	+
	+ $status_icon = 'fa-archive';
	+ $status_color = 'bluegrey';
	+
	+ $header = id(new PHUIHeaderView())
	+ ->setHeader($package->getName())
	+ ->setUser($viewer)
	+ ->setPolicyObject($package);
	+
	+ $properties = $this->buildPropertyListView($package);
	+ $actions = $this->buildActionListView($package);
	+ $properties->setActionList($actions);
	+
	+ $box = id(new PHUIObjectBoxView())
	+ ->setHeader($header)
	+ ->addPropertyList($properties);
	+
	+ // TODO list last k versions.
	+
	+ $timeline = $this->buildTransactionTimeline(
	+ $package,
	+ new FundInitiativeTransactionQuery());
	+ $timeline
	+ ->setShouldTerminate(true);
	+
	+ return $this->buildApplicationPage(
	+ array(
	+ $crumbs,
	+ $box,
	+ $timeline,
	+ ),
	+ array(
	+ 'title' => $title,
	+ 'pageObjects' => array($package->getPHID()),
	+ ));
	+ }
	+
	+ private function buildPropertyListView(PackagesPackage $package) {
	+ $viewer = $this->getRequest()->getUser();
	+
	+ $view = id(new PHUIPropertyListView())
	+ ->setUser($viewer)
	+ ->setObject($package);
	+
	+ $view->invokeWillRenderEvent();
	+
	+ $uri = $package->getDownloadUri();
	+
	+ $uri = PhabricatorMarkupEngine::renderOneObject(
	+ id(new PhabricatorMarkupOneOff())->setContent($uri),
	+ 'default',
	+ $viewer);
	+
	+ $view->addProperty(
	+ pht('URI'),
	+ $uri);
	+
	+ $description = $package->getDescription();
	+ if (strlen($description)) {
	+ $description = PhabricatorMarkupEngine::renderOneObject(
	+ id(new PhabricatorMarkupOneOff())->setContent($description),
	+ 'default',
	+ $viewer);
	+
	+ $view->addSectionHeader(pht('Description'));
	+ $view->addTextContent($description);
	+ }
	+
	+ return $view;
	+ }
	+
	+ private function buildActionListView(PackagesPackage $package) {
	+ $viewer = $this->getRequest()->getUser();
	+ $id = $package->getID();
	+
	+ $can_edit = PhabricatorPolicyFilter::hasCapability(
	+ $viewer,
	+ $package,
	+ PhabricatorPolicyCapability::CAN_EDIT);
	+
	+ $view = id(new PhabricatorActionListView())
	+ ->setUser($viewer)
	+ ->setObject($package);
	+
	+ $view->addAction(
	+ id(new PhabricatorActionView())
	+ ->setName(pht('Edit Package'))
	+ ->setIcon('fa-pencil')
	+ ->setDisabled(!$can_edit)
	+ ->setWorkflow(!$can_edit)
	+ ->setHref($this->getApplicationURI("package/edit/{$id}/")));
	+
	+ $view->addAction(
	+ id(new PhabricatorActionView())
	+ ->setName(pht('See Versions'))
	+ ->setIcon('fa-search')
	+ ->setHref($this->getApplicationURI("version/?packages={$package->getPHID()}")));
	+
	+ $view->addAction(
	+ id(new PhabricatorActionView())
	+ ->setName(pht('Create a Version'))
	+ ->setIcon('fa-scissors')
	+ ->setDisabled(!$can_edit)
	+ ->setWorkflow(!$can_edit)
	+ ->setHref($this->getApplicationURI("version/create/?package={$id}")));
	+
	+ return $view;
	+ }
	+
	+}
	diff --git a/src/applications/packages/editor/PackagesPackageEditor.php b/src/applications/packages/editor/PackagesPackageEditor.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/editor/PackagesPackageEditor.php
	@@ -0,0 +1,187 @@
	+<?php
	+
	+final class PackagesPackageEditor
	+ extends PhabricatorApplicationTransactionEditor {
	+
	+ public function getEditorApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function getEditorObjectsDescription() {
	+ return pht('Extension Package');
	+ }
	+
	+ public function getTransactionTypes() {
	+ $types = parent::getTransactionTypes();
	+
	+ $types[] = PackagesPackageTransaction::TYPE_NAME;
	+ $types[] = PackagesPackageTransaction::TYPE_DESCRIPTION;
	+ $types[] = PackagesPackageTransaction::TYPE_URI;
	+ $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
	+ $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
	+
	+ return $types;
	+ }
	+
	+ protected function getCustomTransactionOldValue(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+ switch ($xaction->getTransactionType()) {
	+ case PackagesPackageTransaction::TYPE_NAME:
	+ return $object->getName();
	+ case PackagesPackageTransaction::TYPE_DESCRIPTION:
	+ return $object->getDescription();
	+ case PackagesPackageTransaction::TYPE_URI:
	+ return $object->getDownloadUri();
	+ }
	+
	+ return parent::getCustomTransactionOldValue($object, $xaction);
	+ }
	+
	+ protected function getCustomTransactionNewValue(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ switch ($xaction->getTransactionType()) {
	+ case PackagesPackageTransaction::TYPE_NAME:
	+ case PackagesPackageTransaction::TYPE_DESCRIPTION:
	+ case PackagesPackageTransaction::TYPE_URI:
	+ return $xaction->getNewValue();
	+ }
	+
	+ return parent::getCustomTransactionNewValue($object, $xaction);
	+ }
	+
	+ protected function applyCustomInternalTransaction(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ $type = $xaction->getTransactionType();
	+ switch ($type) {
	+ case PackagesPackageTransaction::TYPE_NAME:
	+ $object->setName($xaction->getNewValue());
	+ return;
	+ case PackagesPackageTransaction::TYPE_DESCRIPTION:
	+ $object->setDescription($xaction->getNewValue());
	+ case PackagesPackageTransaction::TYPE_URI:
	+ $object->setDownloadUri($xaction->getNewValue());
	+ return;
	+ }
	+
	+ return parent::applyCustomInternalTransaction($object, $xaction);
	+ }
	+
	+ protected function applyCustomExternalTransaction(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ $type = $xaction->getTransactionType();
	+ switch ($type) {
	+ case PackagesPackageTransaction::TYPE_NAME:
	+ case PackagesPackageTransaction::TYPE_DESCRIPTION:
	+ case PackagesPackageTransaction::TYPE_URI:
	+ return;
	+ }
	+
	+ return parent::applyCustomExternalTransaction($object, $xaction);
	+ }
	+
	+ protected function validateTransaction(
	+ PhabricatorLiskDAO $object,
	+ $type,
	+ array $xactions) {
	+
	+ $errors = parent::validateTransaction($object, $type, $xactions);
	+
	+ switch ($type) {
	+ case PackagesPackageTransaction::TYPE_NAME:
	+ $missing = $this->validateIsEmptyTextField(
	+ $object->getName(),
	+ $xactions);
	+
	+ if ($missing) {
	+ $error = new PhabricatorApplicationTransactionValidationError(
	+ $type,
	+ pht('Required'),
	+ pht('Package name is required.'),
	+ nonempty(last($xactions), null));
	+
	+ $error->setIsMissingFieldError(true);
	+ $errors[] = $error;
	+ }
	+ break;
	+ case PackagesPackageTransaction::TYPE_URI: // TODO
	+ $missing = $this->validateIsEmptyTextField(
	+ $object->getName(),
	+ $xactions);
	+
	+ if ($missing) {
	+ $error = new PhabricatorApplicationTransactionValidationError(
	+ $type,
	+ pht('Required'),
	+ pht('Download URI is required.'),
	+ nonempty(last($xactions), null));
	+
	+ $error->setIsMissingFieldError(true);
	+ $errors[] = $error;
	+ }
	+ break;
	+ }
	+
	+ return $errors;
	+ }
	+
	+ protected function shouldSendMail(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+ return true;
	+ }
	+
	+ public function getMailTagsMap() {
	+ return array(
	+ PackagesPackageTransaction::MAILTAG_OTHER =>
	+ pht('Other Packages activity not listed above occurs.'),
	+ );
	+ }
	+
	+ protected function buildMailTemplate(PhabricatorLiskDAO $object) {
	+ $id = $object->getID();
	+ $name = $object->getName();
	+
	+ return id(new PhabricatorMetaMTAMail())
	+ ->setSubject("Package: {$name}")
	+ ->addHeader('Thread-Topic', "package {$id}");
	+ }
	+
	+ protected function buildMailBody(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+
	+ $body = parent::buildMailBody($object, $xactions);
	+
	+ $body->addLinkSection(
	+ pht('PACKAGE DETAIL'),
	+ PhabricatorEnv::getProductionURI($object->getURI()));
	+
	+ return $body;
	+ }
	+
	+ protected function getMailTo(PhabricatorLiskDAO $object) {
	+ return array();
	+ }
	+
	+ protected function getMailSubjectPrefix() {
	+ return 'Packages';
	+ }
	+
	+ protected function shouldPublishFeedStory(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+ return true;
	+ }
	+
	+ protected function supportsSearch() {
	+ return true;
	+ }
	+
	+}
	diff --git a/src/applications/packages/editor/PackagesVersionEditor.php b/src/applications/packages/editor/PackagesVersionEditor.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/editor/PackagesVersionEditor.php
	@@ -0,0 +1,207 @@
	+<?php
	+
	+final class PackagesVersionEditor
	+ extends PhabricatorApplicationTransactionEditor {
	+
	+ public function getEditorApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function getEditorObjectsDescription() {
	+ return pht('Package Version');
	+ }
	+
	+ public function getTransactionTypes() {
	+ $types = parent::getTransactionTypes();
	+
	+ $types[] = PackagesVersionTransaction::TYPE_TITLE;
	+ $types[] = PackagesVersionTransaction::TYPE_DESCRIPTION;
	+ $types[] = PackagesVersionTransaction::TYPE_PACKAGE;
	+ $types[] = PackagesVersionTransaction::TYPE_COMMIT_HASH;
	+ $types[] = PackagesVersionTransaction::TYPE_RELEASE_EPOCH;
	+ $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
	+ $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
	+
	+ return $types;
	+ }
	+
	+ protected function getCustomTransactionOldValue(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+ switch ($xaction->getTransactionType()) {
	+ case PackagesVersionTransaction::TYPE_TITLE:
	+ return $object->getTitle();
	+ case PackagesVersionTransaction::TYPE_DESCRIPTION:
	+ return $object->getDescription();
	+ case PackagesVersionTransaction::TYPE_PACKAGE:
	+ return $object->getPackagePHID();
	+ case PackagesVersionTransaction::TYPE_COMMIT_HASH:
	+ return $object->getCommitHash();
	+ case PackagesVersionTransaction::TYPE_RELEASE_EPOCH:
	+ return $object->getReleaseEpoch();
	+ }
	+
	+ return parent::getCustomTransactionOldValue($object, $xaction);
	+ }
	+
	+ protected function getCustomTransactionNewValue(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ switch ($xaction->getTransactionType()) {
	+ case PackagesVersionTransaction::TYPE_TITLE:
	+ case PackagesVersionTransaction::TYPE_DESCRIPTION:
	+ case PackagesVersionTransaction::TYPE_PACKAGE: // TODO?
	+ case PackagesVersionTransaction::TYPE_COMMIT_HASH:
	+ case PackagesVersionTransaction::TYPE_RELEASE_EPOCH: // TODO?
	+ return $xaction->getNewValue();
	+ }
	+
	+ return parent::getCustomTransactionNewValue($object, $xaction);
	+ }
	+
	+ protected function applyCustomInternalTransaction(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ $type = $xaction->getTransactionType();
	+ switch ($type) {
	+ case PackagesVersionTransaction::TYPE_TITLE:
	+ $object->setTitle($xaction->getNewValue());
	+ return;
	+ case PackagesVersionTransaction::TYPE_DESCRIPTION:
	+ $object->setDescription($xaction->getNewValue());
	+ return;
	+ case PackagesVersionTransaction::TYPE_PACKAGE:
	+ $object->setPackagePHID($xaction->getNewValue());
	+ return;
	+ case PackagesVersionTransaction::TYPE_COMMIT_HASH:
	+ $object->setCommitHash($xaction->getNewValue());
	+ return;
	+ case PackagesVersionTransaction::TYPE_RELEASE_EPOCH:
	+ $object->setReleaseEpoch($xaction->getNewValue());
	+ return;
	+ }
	+
	+ return parent::applyCustomInternalTransaction($object, $xaction);
	+ }
	+
	+ protected function applyCustomExternalTransaction(
	+ PhabricatorLiskDAO $object,
	+ PhabricatorApplicationTransaction $xaction) {
	+
	+ $type = $xaction->getTransactionType();
	+ switch ($type) {
	+ case PackagesVersionTransaction::TYPE_TITLE:
	+ case PackagesVersionTransaction::TYPE_DESCRIPTION:
	+ case PackagesVersionTransaction::TYPE_PACKAGE:
	+ case PackagesVersionTransaction::TYPE_COMMIT_HASH:
	+ case PackagesVersionTransaction::TYPE_RELEASE_EPOCH:
	+ return;
	+ }
	+
	+ return parent::applyCustomExternalTransaction($object, $xaction);
	+ }
	+
	+ protected function validateTransaction(
	+ PhabricatorLiskDAO $object,
	+ $type,
	+ array $xactions) {
	+
	+ $errors = parent::validateTransaction($object, $type, $xactions);
	+
	+ switch ($type) {
	+ case PackagesVersionTransaction::TYPE_TITLE:
	+ $missing = $this->validateIsEmptyTextField(
	+ $object->getTitle(),
	+ $xactions);
	+
	+ if ($missing) {
	+ $error = new PhabricatorApplicationTransactionValidationError(
	+ $type,
	+ pht('Required'),
	+ pht('Package name is required.'),
	+ nonempty(last($xactions), null));
	+
	+ $error->setIsMissingFieldError(true);
	+ $errors[] = $error;
	+ }
	+ break;
	+ case PackagesVersionTransaction::TYPE_PACKAGE: // TODO
	+ $missing = $this->validateIsEmptyTextField(
	+ $object->getPackagePHID(),
	+ $xactions);
	+
	+ if ($missing) {
	+ $error = new PhabricatorApplicationTransactionValidationError(
	+ $type,
	+ pht('Required'),
	+ pht('Package is required.'),
	+ nonempty(last($xactions), null));
	+
	+ $error->setIsMissingFieldError(true);
	+ $errors[] = $error;
	+ }
	+ break;
	+ case PackagesVersionTransaction::TYPE_COMMIT_HASH: // TODO
	+ case PackagesVersionTransaction::TYPE_RELEASE_EPOCH:// TODO
	+ break;
	+ }
	+
	+ return $errors;
	+ }
	+
	+ protected function shouldSendMail(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+ return true;
	+ }
	+
	+ public function getMailTagsMap() {
	+ return array(
	+ PackagesVersionTransaction::MAILTAG_OTHER =>
	+ pht('Other Packages activity not listed above occurs.'),
	+ );
	+ }
	+
	+ protected function buildMailTemplate(PhabricatorLiskDAO $object) {
	+ $id = $object->getID();
	+ $title = $object->getTitle();
	+
	+ return id(new PhabricatorMetaMTAMail()) // TODO add pakcage info
	+ ->setSubject("Version: {$title}")
	+ ->addHeader('Thread-Topic', "version {$id}");
	+ }
	+
	+ protected function buildMailBody(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+
	+ $body = parent::buildMailBody($object, $xactions);
	+
	+ $body->addLinkSection(
	+ pht('PACKAGE DETAIL'),
	+ PhabricatorEnv::getProductionURI($object->getURI()));
	+// TODO add package info
	+ return $body;
	+ }
	+
	+ protected function getMailTo(PhabricatorLiskDAO $object) {
	+ return array();
	+ }
	+
	+ protected function getMailSubjectPrefix() {
	+ return 'Packages';
	+ }
	+
	+ protected function shouldPublishFeedStory(
	+ PhabricatorLiskDAO $object,
	+ array $xactions) {
	+ return true;
	+ }
	+
	+ protected function supportsSearch() {
	+ return true;
	+ }
	+
	+}
	diff --git a/src/applications/packages/phid/PackagesPackagePHIDType.php b/src/applications/packages/phid/PackagesPackagePHIDType.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/phid/PackagesPackagePHIDType.php
	@@ -0,0 +1,72 @@
	+<?php
	+
	+final class PackagesPackagePHIDType extends PhabricatorPHIDType {
	+
	+ const TYPECONST = 'PPKG';
	+
	+ public function getTypeName() {
	+ return pht('Extension Package');
	+ }
	+
	+ public function newObject() {
	+ return new PackagesPackage();
	+ }
	+
	+ public function getPHIDTypeApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ protected function buildQueryForObjects(
	+ PhabricatorObjectQuery $query,
	+ array $phids) {
	+
	+ return id(new PackagesPackageQuery())
	+ ->withPHIDs($phids);
	+ }
	+
	+ public function loadHandles(
	+ PhabricatorHandleQuery $query,
	+ array $handles,
	+ array $objects) {
	+
	+ foreach ($handles as $phid => $handle) {
	+ $initiative = $objects[$phid];
	+
	+ $id = $initiative->getID();
	+ $name = $initiative->getName();
	+
	+ $handle->setName($name);
	+ $handle->setURI("/packages/package/{$id}");
	+ }
	+ }
	+
	+ public function canLoadNamedObject($name) { // ?
	+ return preg_match('/^I\d[1-9]\d$/i', $name);
	+ }
	+
	+ public function loadNamedObjects(
	+ PhabricatorObjectQuery $query,
	+ array $names) {
	+
	+ $id_map = array();
	+ foreach ($names as $name) {
	+ $id = (int)substr($name, 1);
	+ $id_map[$id][] = $name;
	+ }
	+
	+ $objects = id(new PackagesPackageQuery())
	+ ->setViewer($query->getViewer())
	+ ->withIDs(array_keys($id_map))
	+ ->execute();
	+
	+ $results = array();
	+ foreach ($objects as $id => $object) {
	+ foreach (idx($id_map, $id, array()) as $name) {
	+ $results[$name] = $object;
	+ }
	+ }
	+
	+ return $results;
	+ }
	+
	+}
	diff --git a/src/applications/packages/phid/PackagesSignaturePHIDType.php b/src/applications/packages/phid/PackagesSignaturePHIDType.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/phid/PackagesSignaturePHIDType.php
	@@ -0,0 +1,53 @@
	+<?php
	+
	+final class PackagesSignaturePHIDType extends PhabricatorPHIDType {
	+
	+ const TYPECONST = 'PSIG';
	+
	+ public function getTypeName() {
	+ return pht('Package Version Signature');
	+ }
	+
	+ public function newObject() {
	+ return new PackagesSignature();
	+ }
	+
	+ public function getPHIDTypeApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ protected function buildQueryForObjects(
	+ PhabricatorObjectQuery $query,
	+ array $phids) {
	+
	+ return id(new PackagesSignatureQuery())
	+ ->withPHIDs($phids);
	+ }
	+
	+ public function loadHandles(
	+ PhabricatorHandleQuery $query,
	+ array $handles,
	+ array $objects) {
	+
	+ foreach ($handles as $phid => $handle) {
	+ $certs = $objects[$phid];
	+
	+ $id = 3;
	+
	+ $handle->setName('TODO sig');
	+ $handle->setURI("/packages/certificate/{$id}");
	+ }
	+ }
	+
	+ public function canLoadNamedObject($name) {
	+ return false;
	+ }
	+
	+ public function loadNamedObjects(
	+ PhabricatorObjectQuery $query,
	+ array $names) {
	+
	+ return array();
	+ }
	+
	+}
	diff --git a/src/applications/packages/phid/PackagesVersionPHIDType.php b/src/applications/packages/phid/PackagesVersionPHIDType.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/phid/PackagesVersionPHIDType.php
	@@ -0,0 +1,68 @@
	+<?php
	+
	+final class PackagesVersionPHIDType extends PhabricatorPHIDType {
	+
	+ const TYPECONST = 'PVER';
	+
	+ public function getTypeName() {
	+ return pht('Extension Package Version');
	+ }
	+
	+ public function newObject() {
	+ return new PackagesVersion();
	+ }
	+
	+ public function getPHIDTypeApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ protected function buildQueryForObjects(
	+ PhabricatorObjectQuery $query,
	+ array $phids) {
	+
	+ return id(new PackagesPackageQuery())
	+ ->withPHIDs($phids);
	+ }
	+
	+ public function loadHandles(
	+ PhabricatorHandleQuery $query,
	+ array $handles,
	+ array $objects) {
	+
	+ foreach ($handles as $phid => $handle) {
	+ $initiative = $objects[$phid];
	+
	+ $id = $initiative->getID();
	+ $name = $initiative->getName();
	+
	+ $handle->setName($name);
	+ $handle->setURI("/packages/package/{$id}");
	+ }
	+ }
	+
	+ public function loadNamedObjects(
	+ PhabricatorObjectQuery $query,
	+ array $names) {
	+
	+ $id_map = array();
	+ foreach ($names as $name) {
	+ $id = (int)substr($name, 1);
	+ $id_map[$id][] = $name;
	+ }
	+
	+ $objects = id(new PackagesPackageQuery())
	+ ->setViewer($query->getViewer())
	+ ->withIDs(array_keys($id_map))
	+ ->execute();
	+
	+ $results = array();
	+ foreach ($objects as $id => $object) {
	+ foreach (idx($id_map, $id, array()) as $name) {
	+ $results[$name] = $object;
	+ }
	+ }
	+
	+ return $results;
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesPackageQuery.php b/src/applications/packages/query/PackagesPackageQuery.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesPackageQuery.php
	@@ -0,0 +1,92 @@
	+<?php
	+
	+final class PackagesPackageQuery
	+ extends PhabricatorCursorPagedPolicyAwareQuery {
	+
	+ private $ids;
	+ private $phids;
	+ private $ownerPHIDs;
	+ private $statuses;
	+
	+ private $needProjectPHIDs;
	+
	+ public function withIDs(array $ids) {
	+ $this->ids = $ids;
	+ return $this;
	+ }
	+
	+ public function withPHIDs(array $phids) {
	+ $this->phids = $phids;
	+ return $this;
	+ }
	+
	+ public function needProjectPHIDs($need) {
	+ $this->needProjectPHIDs = $need;
	+ return $this;
	+ }
	+
	+ protected function loadPage() {
	+ $table = new PackagesPackage();
	+ $conn_r = $table->establishConnection('r');
	+
	+ $rows = queryfx_all(
	+ $conn_r,
	+ 'SELECT * FROM %T %Q %Q %Q',
	+ $table->getTableName(),
	+ $this->buildWhereClause($conn_r),
	+ $this->buildOrderClause($conn_r),
	+ $this->buildLimitClause($conn_r));
	+
	+ return $table->loadAllFromArray($rows);
	+ }
	+
	+ protected function didFilterPage(array $initiatives) {
	+
	+ if ($this->needProjectPHIDs) {
	+ $edge_query = id(new PhabricatorEdgeQuery())
	+ ->withSourcePHIDs(mpull($initiatives, 'getPHID'))
	+ ->withEdgeTypes(
	+ array(
	+ PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
	+ ));
	+ $edge_query->execute();
	+
	+ foreach ($initiatives as $initiative) {
	+ $phids = $edge_query->getDestinationPHIDs(
	+ array(
	+ $initiative->getPHID(),
	+ ));
	+ $initiative->attachProjectPHIDs($phids);
	+ }
	+ }
	+
	+ return $initiatives;
	+ }
	+
	+ protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
	+ $where = array();
	+
	+ $where[] = $this->buildPagingClause($conn_r);
	+
	+ if ($this->ids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'id IN (%Ld)',
	+ $this->ids);
	+ }
	+
	+ if ($this->phids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'phid IN (%Ls)',
	+ $this->phids);
	+ }
	+
	+ return $this->formatWhereClause($where);
	+ }
	+
	+ public function getQueryApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesPackageSearchEngine.php b/src/applications/packages/query/PackagesPackageSearchEngine.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesPackageSearchEngine.php
	@@ -0,0 +1,108 @@
	+<?php
	+
	+final class PackagesPackageSearchEngine
	+ extends PhabricatorApplicationSearchEngine {
	+
	+ public function getResultTypeDescription() {
	+ return pht('Packages');
	+ }
	+
	+ public function getApplicationClassName() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function buildSavedQueryFromRequest(AphrontRequest $request) {
	+ $saved = new PhabricatorSavedQuery();
	+
	+ $saved->setParameter(
	+ 'ownerPHIDs',
	+ $this->readUsersFromRequest($request, 'owners'));
	+
	+ $saved->setParameter(
	+ 'statuses',
	+ $this->readListFromRequest($request, 'statuses'));
	+
	+ return $saved;
	+ }
	+
	+ public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
	+ $query = id(new PackagesPackageQuery())
	+ ->needProjectPHIDs(true);
	+
	+ return $query;
	+ }
	+
	+ public function buildSearchForm(
	+ AphrontFormView $form,
	+ PhabricatorSavedQuery $saved) {}
	+
	+ protected function getURI($path) {
	+ return '/packages/'.$path;
	+ }
	+
	+ protected function getBuiltinQueryNames() {
	+ $names = array();
	+
	+ $names['all'] = pht('All Packages');
	+
	+ return $names;
	+ }
	+
	+ public function buildSavedQueryFromBuiltin($query_key) {
	+ $query = $this->newSavedQuery();
	+ $query->setQueryKey($query_key);
	+
	+ switch ($query_key) {
	+ case 'all':
	+ return $query;
	+ }
	+
	+ return parent::buildSavedQueryFromBuiltin($query_key);
	+ }
	+
	+ protected function getRequiredHandlePHIDsForResultList(
	+ array $packages,
	+ PhabricatorSavedQuery $query) {
	+
	+ $phids = array();
	+
	+ return $phids;
	+ }
	+
	+ protected function renderResultList(
	+ array $packages,
	+ PhabricatorSavedQuery $query,
	+ array $handles) {
	+ assert_instances_of($packages, 'PackagesPackage');
	+
	+ $viewer = $this->requireViewer();
	+
	+ $list = id(new PHUIObjectItemListView());
	+ foreach ($packages as $package) {
	+ $item = id(new PHUIObjectItemView())
	+ ->setObjectName($package->getName())
	+ ->setHeader($package->getName())
	+ ->setHref('/packages/package/'.$package->getID());
	+
	+ $project_handles = array_select_keys(
	+ $handles,
	+ $package->getProjectPHIDs());
	+ if ($project_handles) {
	+ $item->addAttribute(
	+ id(new PHUIHandleTagListView())
	+ ->setLimit(4)
	+ ->setSlim(true)
	+ ->setHandles($project_handles));
	+ }
	+
	+ $list->addItem($item);
	+ }
	+
	+ $result = new PhabricatorApplicationSearchResultView();
	+ $result->setObjectList($list);
	+ $result->setNoDataString(pht('No packages found.'));
	+
	+ return $result;
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesPackageTransactionQuery.php b/src/applications/packages/query/PackagesPackageTransactionQuery.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesPackageTransactionQuery.php
	@@ -0,0 +1,10 @@
	+<?php
	+
	+final class PackagesPackageTransactionQuery
	+ extends PhabricatorApplicationTransactionQuery {
	+
	+ public function getTemplateApplicationTransaction() {
	+ return new PackagesPackageTransaction();
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesSignatureQuery.php b/src/applications/packages/query/PackagesSignatureQuery.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesSignatureQuery.php
	@@ -0,0 +1,114 @@
	+<?php
	+
	+final class PackagesSignatureQuery
	+ extends PhabricatorCursorPagedPolicyAwareQuery {
	+
	+ private $ids;
	+ private $phids;
	+ private $signerPHIDs;
	+ private $versionPHIDs;
	+ private $packagePHIDs;
	+
	+ public function withIDs(array $ids) {
	+ $this->ids = $ids;
	+ return $this;
	+ }
	+
	+ public function withPHIDs(array $phids) {
	+ $this->phids = $phids;
	+ return $this;
	+ }
	+
	+ public function withSignerPHIDs(array $phids) {
	+ $this->signerPHIDs = $phids;
	+ return $this;
	+ }
	+
	+ public function withVersionPHIDs(array $phids) {
	+ $this->versionPHIDs = $phids;
	+ return $this;
	+ }
	+
	+ public function withPackagePHIDs(array $phids) {
	+ $this->packagePHIDs = $phids;
	+ return $this;
	+ }
	+
	+
	+ protected function loadPage() {
	+ $table = new PackagesSignature();
	+ $conn_r = $table->establishConnection('r');
	+
	+ $rows = queryfx_all(
	+ $conn_r,
	+ 'SELECT * FROM %T packages_signature %Q %Q %Q %Q',
	+ $table->getTableName(),
	+ $this->buildJoinClause($conn_r),
	+ $this->buildWhereClause($conn_r),
	+ $this->buildOrderClause($conn_r),
	+ $this->buildLimitClause($conn_r));
	+
	+ return $table->loadAllFromArray($rows);
	+ }
	+
	+ protected function buildJoinClause(AphrontDatabaseConnection $conn_r) {
	+ $joins = array();
	+
	+ if ($this->packagePHIDs !== null) {
	+ $joins[] = qsprintf(
	+ $conn_r,
	+ 'JOIN %T v ON v.phid = packages_signature.versionPHID',
	+ id(new PackagesVersion())->getTableName());
	+ }
	+
	+ return implode(' ', $joins);
	+ }
	+
	+ protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
	+ $where = array();
	+
	+ $where[] = $this->buildPagingClause($conn_r);
	+
	+ if ($this->ids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'id IN (%Ld)',
	+ $this->ids);
	+ }
	+
	+ if ($this->phids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'phid IN (%Ls)',
	+ $this->phids);
	+ }
	+
	+ if ($this->signerPHIDs !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'signerPHID in (%Ls)',
	+ $this->signerPHIDs);
	+ }
	+
	+ if ($this->versionPHIDs !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'versionPHID in (%Ls)',
	+ $this->versionPHIDs);
	+ }
	+
	+ if ($this->packagePHIDs !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'v.packagePHID in (%Ls)',
	+ $this->packagePHIDs);
	+ }
	+
	+ return $this->formatWhereClause($where);
	+ }
	+
	+ public function getQueryApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesSignatureSearchEngine.php b/src/applications/packages/query/PackagesSignatureSearchEngine.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesSignatureSearchEngine.php
	@@ -0,0 +1,99 @@
	+<?php
	+
	+final class PackagesSignatureSearchEngine
	+ extends PhabricatorApplicationSearchEngine {
	+
	+ public function getResultTypeDescription() {
	+ return pht('Signatures');
	+ }
	+
	+ public function getApplicationClassName() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function buildSavedQueryFromRequest(AphrontRequest $request) {
	+ $saved = new PhabricatorSavedQuery();
	+// signer
	+// packages/
	+// version
	+ $saved->setParameter(
	+ 'signerPHIDs',
	+ $this->readUsersFromRequest($request, 'signerPHIDs'));
	+
	+ return $saved;
	+ }
	+
	+ public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
	+ $query = id(new PackagesSignatureQuery());
	+
	+ return $query;
	+ }
	+
	+ public function buildSearchForm(
	+ AphrontFormView $form,
	+ PhabricatorSavedQuery $saved) {
	+ // TODO
	+ }
	+
	+ protected function getURI($path) {
	+ return '/packages/'.$path;
	+ }
	+
	+ protected function getBuiltinQueryNames() {
	+ $names = array();
	+
	+ $names['all'] = pht('All Signatures');
	+
	+ return $names;
	+ }
	+
	+ public function buildSavedQueryFromBuiltin($query_key) {
	+ $query = $this->newSavedQuery();
	+ $query->setQueryKey($query_key);
	+
	+ switch ($query_key) {
	+ case 'all':
	+ return $query;
	+ }
	+
	+ return parent::buildSavedQueryFromBuiltin($query_key);
	+ }
	+
	+ protected function getRequiredHandlePHIDsForResultList(
	+ array $signatures,
	+ PhabricatorSavedQuery $query) {
	+ assert_instances_of($signatures, 'PackagesSignature');
	+ $phids = array();
	+ foreach ($signatures as $sig) {
	+ $phids[] = $sig->getSignerPHID();
	+ }
	+
	+ return $phids;
	+ }
	+
	+ protected function renderResultList(
	+ array $signatures,
	+ PhabricatorSavedQuery $query,
	+ array $handles) {
	+ assert_instances_of($signatures, 'PackagesSignature');
	+
	+ $viewer = $this->requireViewer();
	+
	+ $list = id(new PHUIObjectItemListView());
	+ foreach ($signatures as $sig) {
	+ $item = id(new PHUIObjectItemView());
	+
	+ $signer = $handles[$sig->getSignerPHID()];
	+ $item->addByline(pht('Signed by: %s', $signer->renderLink()));
	+
	+ $list->addItem($item);
	+ }
	+
	+ $result = new PhabricatorApplicationSearchResultView();
	+ $result->setObjectList($list);
	+ $result->setNoDataString(pht('No signatures found.'));
	+
	+ return $result;
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesVersionQuery.php b/src/applications/packages/query/PackagesVersionQuery.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesVersionQuery.php
	@@ -0,0 +1,103 @@
	+<?php
	+
	+final class PackagesVersionQuery
	+ extends PhabricatorCursorPagedPolicyAwareQuery {
	+
	+ private $ids;
	+ private $phids;
	+ private $packagePHIDs;
	+
	+ private $needProjectPHIDs;
	+
	+ public function withIDs(array $ids) {
	+ $this->ids = $ids;
	+ return $this;
	+ }
	+
	+ public function withPHIDs(array $phids) {
	+ $this->phids = $phids;
	+ return $this;
	+ }
	+
	+ public function withPackagePHIDs(array $phids) {
	+ $this->packagePHIDs = $phids;
	+ return $this;
	+ }
	+
	+ public function needProjectPHIDs($need) {
	+ $this->needProjectPHIDs = $need;
	+ return $this;
	+ }
	+
	+ protected function loadPage() {
	+ $table = new PackagesVersion();
	+ $conn_r = $table->establishConnection('r');
	+
	+ $rows = queryfx_all(
	+ $conn_r,
	+ 'SELECT * FROM %T %Q %Q %Q',
	+ $table->getTableName(),
	+ $this->buildWhereClause($conn_r),
	+ $this->buildOrderClause($conn_r),
	+ $this->buildLimitClause($conn_r));
	+
	+ return $table->loadAllFromArray($rows);
	+ }
	+
	+ protected function didFilterPage(array $initiatives) {
	+
	+ if ($this->needProjectPHIDs) {
	+ $edge_query = id(new PhabricatorEdgeQuery())
	+ ->withSourcePHIDs(mpull($initiatives, 'getPHID'))
	+ ->withEdgeTypes(
	+ array(
	+ PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
	+ ));
	+ $edge_query->execute();
	+
	+ foreach ($initiatives as $initiative) {
	+ $phids = $edge_query->getDestinationPHIDs(
	+ array(
	+ $initiative->getPHID(),
	+ ));
	+ $initiative->attachProjectPHIDs($phids);
	+ }
	+ }
	+
	+ return $initiatives;
	+ }
	+
	+ protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
	+ $where = array();
	+
	+ $where[] = $this->buildPagingClause($conn_r);
	+
	+ if ($this->ids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'id IN (%Ld)',
	+ $this->ids);
	+ }
	+
	+ if ($this->phids !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'phid IN (%Ls)',
	+ $this->phids);
	+ }
	+
	+ if ($this->packagePHIDs !== null) {
	+ $where[] = qsprintf(
	+ $conn_r,
	+ 'packagePHID in (%Ls)',
	+ $this->packagePHIDs);
	+ }
	+
	+ return $this->formatWhereClause($where);
	+ }
	+
	+ public function getQueryApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+}
	diff --git a/src/applications/packages/query/PackagesVersionSearchEngine.php b/src/applications/packages/query/PackagesVersionSearchEngine.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/query/PackagesVersionSearchEngine.php
	@@ -0,0 +1,125 @@
	+<?php
	+
	+final class PackagesVersionSearchEngine
	+ extends PhabricatorApplicationSearchEngine {
	+
	+ public function getResultTypeDescription() {
	+ return pht('version Versions');
	+ }
	+
	+ public function getApplicationClassName() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function buildSavedQueryFromRequest(AphrontRequest $request) {
	+ $saved = new PhabricatorSavedQuery();
	+
	+ $saved->setParameter(
	+ 'packagePHIDs',
	+ $this->readPHIDsFromRequest($request, 'packages'));
	+
	+ return $saved;
	+ }
	+
	+ public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
	+ $query = id(new PackagesVersionQuery())
	+ ->needProjectPHIDs(true);
	+
	+ $package_phids = $saved->getParameter('packagePHIDs');
	+ if ($package_phids) {
	+ $query->withPackagePHIDs($package_phids);
	+ }
	+
	+ return $query;
	+ }
	+
	+ public function buildSearchForm(
	+ AphrontFormView $form,
	+ PhabricatorSavedQuery $saved) {
	+
	+ $packages = $saved->getParameter('packagePHIDs', array());
	+ $form
	+ ->appendControl(
	+ id(new AphrontFormTokenizerControl())
	+ ->setLabel(pht('Packages'))
	+ ->setName('packages')
	+ ->setDatasource(new PackagesPackageDatasource())
	+ ->setValue($packages));
	+
	+ }
	+
	+ protected function getURI($path) {
	+ return '/packages/version/'.$path;
	+ }
	+
	+ protected function getBuiltinQueryNames() {
	+ $names = array();
	+
	+ $names['all'] = pht('All Package Versions');
	+
	+ return $names;
	+ }
	+
	+ public function buildSavedQueryFromBuiltin($query_key) {
	+ $query = $this->newSavedQuery();
	+ $query->setQueryKey($query_key);
	+
	+ switch ($query_key) {
	+ case 'all':
	+ return $query;
	+ }
	+
	+ return parent::buildSavedQueryFromBuiltin($query_key);
	+ }
	+
	+ protected function getRequiredHandlePHIDsForResultList(
	+ array $objects,
	+ PhabricatorSavedQuery $query) {
	+ assert_instances_of($objects, 'PackagesVersion');
	+
	+ $phids = array();
	+ foreach ($objects as $version) {
	+ $phids[] = $version->getPackagePHID();
	+ }
	+
	+ return $phids;
	+ }
	+
	+ protected function renderResultList(
	+ array $objects,
	+ PhabricatorSavedQuery $query,
	+ array $handles) {
	+ assert_instances_of($objects, 'PackagesVersion');
	+
	+ $viewer = $this->requireViewer();
	+
	+ $list = id(new PHUIObjectItemListView());
	+ foreach ($objects as $version) {
	+ $package = $handles[$version->getPackagePHID()];
	+ $item = id(new PHUIObjectItemView())
	+ ->setObjectName($package->getName())
	+ ->setHeader($version->getTitle())
	+ ->setHref($version->getURI());
	+
	+ $project_handles = array_select_keys(
	+ $handles,
	+ $version->getProjectPHIDs());
	+ if ($project_handles) {
	+ $item->addAttribute(
	+ id(new PHUIHandleTagListView())
	+ ->setLimit(4)
	+ ->setSlim(true)
	+ ->setHandles($project_handles));
	+ }
	+
	+ $list->addItem($item);
	+ }
	+
	+ $result = new PhabricatorApplicationSearchResultView();
	+ $result->setObjectList($list);
	+ $result->setNoDataString(pht('No Versions found.'));
	+
	+ return $result;
	+ }
	+
	+}
	diff --git a/src/applications/packages/storage/PackagesDAO.php b/src/applications/packages/storage/PackagesDAO.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesDAO.php
	@@ -0,0 +1,9 @@
	+<?php
	+
	+abstract class PackagesDAO extends PhabricatorLiskDAO {
	+
	+ public function getApplicationName() {
	+ return 'packages';
	+ }
	+
	+}
	diff --git a/src/applications/packages/storage/PackagesPackage.php b/src/applications/packages/storage/PackagesPackage.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesPackage.php
	@@ -0,0 +1,162 @@
	+<?php
	+
	+final class PackagesPackage extends PackagesDAO
	+ implements
	+ PhabricatorPolicyInterface,
	+ PhabricatorProjectInterface,
	+ PhabricatorApplicationTransactionInterface,
	+ PhabricatorSubscribableInterface,
	+ PhabricatorMentionableInterface,
	+ PhabricatorFlaggableInterface,
	+ PhabricatorTokenReceiverInterface,
	+ PhabricatorDestructibleInterface {
	+
	+ protected $name;
	+ protected $description;
	+ protected $downloadUri;
	+ protected $viewPolicy;
	+ protected $editPolicy;
	+ protected $mailKey;
	+
	+ private $projectPHIDs = self::ATTACHABLE;
	+
	+
	+ public static function initializeNewPackage(PhabricatorUser $actor) {
	+ $app = id(new PhabricatorApplicationQuery())
	+ ->setViewer($actor)
	+ ->withClasses(array('PhabricatorPackagesApplication'))
	+ ->executeOne();
	+
	+ $view_policy = $app->getPolicy(PackagesDefaultViewCapability::CAPABILITY);
	+
	+ return id(new PackagesPackage())
	+ ->setViewPolicy($view_policy)
	+ ->setEditPolicy($actor->getPHID());
	+ }
	+
	+ protected function getConfiguration() {
	+ return array(
	+ self::CONFIG_AUX_PHID => true,
	+ self::CONFIG_COLUMN_SCHEMA => array(
	+ 'name' => 'text255',
	+ 'description' => 'text',
	+ 'downloadUri' => 'text255',
	+ 'mailKey' => 'bytes20',
	+ ),
	+ ) + parent::getConfiguration();
	+ }
	+
	+ public function generatePHID() {
	+ return PhabricatorPHID::generateNewPHID(PackagesPackagePHIDType::TYPECONST);
	+ }
	+
	+ public function getProjectPHIDs() {
	+ return $this->assertAttached($this->projectPHIDs);
	+ }
	+
	+ public function attachProjectPHIDs(array $phids) {
	+ $this->projectPHIDs = $phids;
	+ return $this;
	+ }
	+
	+ public function getURI() {
	+ return '/packages/package/'.$this->getID();
	+ }
	+
	+ public function save() {
	+ if (!$this->mailKey) {
	+ $this->mailKey = Filesystem::readRandomCharacters(20);
	+ }
	+ return parent::save();
	+ }
	+
	+
	+/* -( PhabricatorPolicyInterface )----------------------------------------- */
	+
	+
	+ public function getCapabilities() {
	+ return array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ );
	+ }
	+
	+ public function getPolicy($capability) {
	+ switch ($capability) {
	+ case PhabricatorPolicyCapability::CAN_VIEW:
	+ return $this->getViewPolicy();
	+ case PhabricatorPolicyCapability::CAN_EDIT:
	+ return $this->getEditPolicy();
	+ }
	+ }
	+
	+ public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
	+ return false;
	+ }
	+
	+ public function describeAutomaticCapability($capability) {
	+ return null;
	+ }
	+
	+/* -( PhabricatorApplicationTransactionInterface )------------------------- */
	+
	+
	+ public function getApplicationTransactionEditor() {
	+ return new PackagesPackageEditor();
	+ }
	+
	+ public function getApplicationTransactionObject() {
	+ return $this;
	+ }
	+
	+ public function getApplicationTransactionTemplate() {
	+ return new PackagesPackageTransaction();
	+ }
	+
	+ public function willRenderTimeline(
	+ PhabricatorApplicationTransactionView $timeline,
	+ AphrontRequest $request) {
	+
	+ return $timeline;
	+ }
	+
	+
	+/* -( PhabricatorSubscribableInterface )----------------------------------- */
	+
	+
	+ public function isAutomaticallySubscribed($phid) {
	+ return false;
	+ }
	+
	+ public function shouldShowSubscribersProperty() {
	+ return true;
	+ }
	+
	+ public function shouldAllowSubscription($phid) {
	+ return true;
	+ }
	+
	+
	+/* -( PhabricatorTokenRecevierInterface )---------------------------------- */
	+
	+
	+ public function getUsersToNotifyOfTokenGiven() {
	+ return array(
	+ // $this->getOwnerPHID(),
	+ );
	+ }
	+
	+
	+/* -( PhabricatorDestructibleInterface )----------------------------------- */
	+
	+
	+ public function destroyObjectPermanently(
	+ PhabricatorDestructionEngine $engine) {
	+
	+ $this->openTransaction();
	+ $this->delete();
	+ // TODO: delete all signatures
	+ $this->saveTransaction();
	+ }
	+
	+}
	diff --git a/src/applications/packages/storage/PackagesPackageTransaction.php b/src/applications/packages/storage/PackagesPackageTransaction.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesPackageTransaction.php
	@@ -0,0 +1,143 @@
	+<?php
	+
	+final class PackagesPackageTransaction
	+ extends PhabricatorApplicationTransaction {
	+
	+ const TYPE_NAME = 'packages:name';
	+ const TYPE_DESCRIPTION = 'packages:description';
	+ const TYPE_URI = 'packages:uri';
	+
	+ const MAILTAG_OTHER = 'packages.other';
	+
	+ public function getApplicationName() {
	+ return 'packages';
	+ }
	+
	+ public function getApplicationTransactionType() {
	+ return PackagesPackagePHIDType::TYPECONST;
	+ }
	+
	+ public function getApplicationTransactionCommentObject() {
	+ return null;
	+ }
	+
	+ public function getRequiredHandlePHIDs() {
	+ $phids = parent::getRequiredHandlePHIDs();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+ $type = $this->getTransactionType();
	+ switch ($type) {}
	+
	+ return $phids;
	+ }
	+
	+ public function getTitle() {
	+ $author_phid = $this->getAuthorPHID();
	+ $object_phid = $this->getObjectPHID();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+ $type = $this->getTransactionType();
	+
	+ return pht('%s made a change', $this->renderHandleLink($author_phid));
	+
	+ // TODO
	+ switch ($type) {
	+ case self::TYPE_NAME:
	+ if ($old === null) {
	+ return pht(
	+ '%s created this initiative.',
	+ $this->renderHandleLink($author_phid));
	+ } else {
	+ return pht(
	+ '%s renamed this initiative from "%s" to "%s".',
	+ $this->renderHandleLink($author_phid),
	+ $old,
	+ $new);
	+ }
	+ break;
	+ case self::TYPE_DESCRIPTION:
	+ // TODO
	+ return pht(
	+ '%s edited the risks for this initiative.',
	+ $this->renderHandleLink($author_phid));
	+ }
	+
	+ return parent::getTitle();
	+ }
	+
	+ public function getTitleForFeed() {
	+ $author_phid = $this->getAuthorPHID();
	+ $object_phid = $this->getObjectPHID();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+
	+ return pht('%s changed', $this->renderHandleLink($author_phid));
	+
	+// TODO
	+ $type = $this->getTransactionType();
	+ switch ($type) {
	+ case self::TYPE_NAME:
	+ if ($old === null) {
	+ return pht(
	+ '%s created %s.',
	+ $this->renderHandleLink($author_phid),
	+ $this->renderHandleLink($object_phid));
	+
	+ } else {
	+ return pht(
	+ '%s renamed %s.',
	+ $this->renderHandleLink($author_phid),
	+ $this->renderHandleLink($object_phid));
	+ }
	+ break;
	+
	+ }
	+
	+ return parent::getTitleForFeed();
	+ }
	+
	+ public function getMailTags() {
	+ $tags = parent::getMailTags();
	+
	+ switch ($this->getTransactionType()) {
	+
	+ default:
	+ $tags[] = self::MAILTAG_OTHER;
	+ break;
	+ }
	+
	+ return $tags;
	+ }
	+
	+
	+ public function shouldHide() {
	+ $old = $this->getOldValue();
	+ switch ($this->getTransactionType()) {
	+ case self::TYPE_DESCRIPTION:
	+ return ($old === null);
	+ }
	+ return parent::shouldHide();
	+ }
	+
	+ public function hasChangeDetails() {
	+ switch ($this->getTransactionType()) {
	+ case self::TYPE_DESCRIPTION:
	+ return ($this->getOldValue() !== null);
	+ }
	+
	+ return parent::hasChangeDetails();
	+ }
	+
	+ public function renderChangeDetails(PhabricatorUser $viewer) {
	+ return $this->renderTextCorpusChangeDetails(
	+ $viewer,
	+ $this->getOldValue(),
	+ $this->getNewValue());
	+ }
	+}
	diff --git a/src/applications/packages/storage/PackagesSignature.php b/src/applications/packages/storage/PackagesSignature.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesSignature.php
	@@ -0,0 +1,93 @@
	+<?php
	+
	+/**
	+ * This is an auxilary DAO. It's only viewable in the context of a version.
	+ */
	+final class PackagesSignature extends PackagesDAO
	+ implements
	+ PhabricatorPolicyInterface,
	+ PhabricatorDestructibleInterface {
	+
	+ protected $signerPHID;
	+ protected $versionPHID;
	+ protected $signature;
	+ protected $publicKey;
	+
	+ protected $editPolicy;
	+ protected $viewPolicy;
	+ // TODO add pubkey fingerprint, for search?
	+
	+ public static function initializeNewSignature(PhabricatorUser $actor) {
	+ $app = id(new PhabricatorApplicationQuery())
	+ ->setViewer($actor)
	+ ->withClasses(array('PhabricatorPackagesApplication'))
	+ ->executeOne();
	+
	+ $view_policy = $app->getPolicy(PackagesDefaultViewCapability::CAPABILITY);
	+
	+ return id(new PackagesSignature())
	+ ->setSignerPHID($actor->getPHID());
	+ }
	+
	+ protected function getConfiguration() {
	+ return array(
	+ self::CONFIG_AUX_PHID => true,
	+ self::CONFIG_COLUMN_SCHEMA => array(
	+ 'publicKey' => 'text',
	+ 'signature' => 'text',
	+ ),
	+ self::CONFIG_KEY_SCHEMA => array(
	+ 'key_signer' => array(
	+ 'columns' => array('signerPHID'),
	+ ),
	+ 'key_version' => array(
	+ 'columns' => array('versionPHID'),
	+ ),
	+ ),
	+ ) + parent::getConfiguration();
	+ }
	+
	+ public function generatePHID() {
	+ return PhabricatorPHID::generateNewPHID(
	+ PackagesSignaturePHIDType::TYPECONST);
	+ }
	+
	+/* -( PhabricatorPolicyInterface )----------------------------------------- */
	+
	+
	+ public function getCapabilities() {
	+ return array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ );
	+ }
	+
	+ public function getPolicy($capability) {
	+ switch ($capability) {
	+ case PhabricatorPolicyCapability::CAN_VIEW:
	+ return $this->getViewPolicy();
	+ case PhabricatorPolicyCapability::CAN_EDIT:
	+ return $this->getEditPolicy();
	+ }
	+ }
	+
	+ public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
	+ return false;
	+ }
	+
	+ public function describeAutomaticCapability($capability) {
	+ return null;
	+ }
	+
	+/* -( PhabricatorDestructibleInterface )----------------------------------- */
	+
	+
	+ public function destroyObjectPermanently(
	+ PhabricatorDestructionEngine $engine) {
	+
	+ $this->openTransaction();
	+ $this->delete();
	+ $this->saveTransaction();
	+ }
	+
	+}
	diff --git a/src/applications/packages/storage/PackagesVersion.php b/src/applications/packages/storage/PackagesVersion.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesVersion.php
	@@ -0,0 +1,149 @@
	+<?php
	+
	+final class PackagesVersion extends PackagesDAO
	+ implements
	+ PhabricatorPolicyInterface,
	+ PhabricatorProjectInterface,
	+ PhabricatorApplicationTransactionInterface,
	+ PhabricatorSubscribableInterface,
	+ PhabricatorMentionableInterface,
	+ PhabricatorFlaggableInterface,
	+ PhabricatorDestructibleInterface {
	+
	+ protected $title;
	+ protected $packagePHID;
	+ protected $commitHash;
	+ protected $releaseEpoch;
	+ protected $description;
	+ protected $editPolicy;
	+ protected $viewPolicy;
	+
	+ private $projectPHIDs = self::ATTACHABLE;
	+
	+
	+ public static function initializeNewVersion(PhabricatorUser $actor) {
	+ $app = id(new PhabricatorApplicationQuery())
	+ ->setViewer($actor)
	+ ->withClasses(array('PhabricatorPackagesApplication'))
	+ ->executeOne();
	+
	+ $view_policy = $app->getPolicy(PackagesDefaultViewCapability::CAPABILITY);
	+
	+ return id(new PackagesVersion())
	+ ->setViewPolicy($view_policy)
	+ ->setEditPolicy($actor->getPHID());
	+ }
	+
	+ protected function getConfiguration() {
	+ return array(
	+ self::CONFIG_AUX_PHID => true,
	+ self::CONFIG_COLUMN_SCHEMA => array(
	+ 'title' => 'text255',
	+ 'description' => 'text',
	+ 'commitHash' => 'text40',
	+ 'releaseEpoch' => 'epoch',
	+ ),
	+ self::CONFIG_KEY_SCHEMA => array(
	+ 'key_package' => array(
	+ 'columns' => array('packagePHID'),
	+ ),
	+ ),
	+ ) + parent::getConfiguration();
	+ }
	+
	+ public function generatePHID() {
	+ return PhabricatorPHID::generateNewPHID(PackagesPackagePHIDType::TYPECONST);
	+ }
	+
	+ public function getProjectPHIDs() {
	+ return $this->assertAttached($this->projectPHIDs);
	+ }
	+
	+ public function attachProjectPHIDs(array $phids) {
	+ $this->projectPHIDs = $phids;
	+ return $this;
	+ }
	+
	+ public function getURI() {
	+ return '/packages/version/'.$this->getID();
	+ }
	+
	+
	+/* -( PhabricatorPolicyInterface )----------------------------------------- */
	+
	+
	+ public function getCapabilities() {
	+ return array(
	+ PhabricatorPolicyCapability::CAN_VIEW,
	+ PhabricatorPolicyCapability::CAN_EDIT,
	+ );
	+ }
	+
	+ public function getPolicy($capability) {
	+ switch ($capability) {
	+ case PhabricatorPolicyCapability::CAN_VIEW:
	+ return $this->getViewPolicy();
	+ case PhabricatorPolicyCapability::CAN_EDIT:
	+ return $this->getEditPolicy();
	+ }
	+ }
	+
	+ public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
	+ return false;
	+ }
	+
	+ public function describeAutomaticCapability($capability) {
	+ return null;
	+ }
	+
	+/* -( PhabricatorApplicationTransactionInterface )------------------------- */
	+
	+
	+ public function getApplicationTransactionEditor() {
	+ return new PackagesVersionEditor();
	+ }
	+
	+ public function getApplicationTransactionObject() {
	+ return $this;
	+ }
	+
	+ public function getApplicationTransactionTemplate() {
	+ return new PackagesVersionTransaction();
	+ }
	+
	+ public function willRenderTimeline(
	+ PhabricatorApplicationTransactionView $timeline,
	+ AphrontRequest $request) {
	+
	+ return $timeline;
	+ }
	+
	+
	+/* -( PhabricatorSubscribableInterface )----------------------------------- */
	+
	+
	+ public function isAutomaticallySubscribed($phid) {
	+ return false;
	+ }
	+
	+ public function shouldShowSubscribersProperty() {
	+ return true;
	+ }
	+
	+ public function shouldAllowSubscription($phid) {
	+ return true;
	+ }
	+
	+/* -( PhabricatorDestructibleInterface )----------------------------------- */
	+
	+
	+ public function destroyObjectPermanently(
	+ PhabricatorDestructionEngine $engine) {
	+
	+ $this->openTransaction();
	+ $this->delete();
	+ // TODO: delete all signatures
	+ $this->saveTransaction();
	+ }
	+
	+}
	diff --git a/src/applications/packages/storage/PackagesVersionTransaction.php b/src/applications/packages/storage/PackagesVersionTransaction.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/storage/PackagesVersionTransaction.php
	@@ -0,0 +1,145 @@
	+<?php
	+
	+final class PackagesVersionTransaction
	+ extends PhabricatorApplicationTransaction {
	+
	+ const TYPE_TITLE = 'packages:title';
	+ const TYPE_DESCRIPTION = 'packages:description';
	+ const TYPE_PACKAGE = 'packages:package';
	+ const TYPE_COMMIT_HASH = 'packages:commithash';
	+ const TYPE_RELEASE_EPOCH = 'packages:releaseepoch';
	+
	+ const MAILTAG_OTHER = 'packages.other';
	+
	+ public function getApplicationName() {
	+ return 'packages';
	+ }
	+
	+ public function getApplicationTransactionType() {
	+ return PackagesVersionPHIDType::TYPECONST;
	+ }
	+
	+ public function getApplicationTransactionCommentObject() {
	+ return null;
	+ }
	+
	+ public function getRequiredHandlePHIDs() {
	+ $phids = parent::getRequiredHandlePHIDs();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+ $type = $this->getTransactionType();
	+ switch ($type) {}
	+
	+ return $phids;
	+ }
	+
	+ public function getTitle() {
	+ $author_phid = $this->getAuthorPHID();
	+ $object_phid = $this->getObjectPHID();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+ $type = $this->getTransactionType();
	+
	+ return pht('%s made a change', $this->renderHandleLink($author_phid));
	+
	+ // TODO
	+ switch ($type) {
	+ case self::TYPE_Title:
	+ if ($old === null) {
	+ return pht(
	+ '%s created this Version.',
	+ $this->renderHandleLink($author_phid));
	+ } else {
	+ return pht(
	+ '%s renamed this version from "%s" to "%s".',
	+ $this->renderHandleLink($author_phid),
	+ $old,
	+ $new);
	+ }
	+ break;
	+ case self::TYPE_DESCRIPTION:
	+ // TODO
	+ return pht(
	+ '%s edited the description for this Version.',
	+ $this->renderHandleLink($author_phid));
	+ }
	+
	+ return parent::getTitle();
	+ }
	+
	+ public function getTitleForFeed() {
	+ $author_phid = $this->getAuthorPHID();
	+ $object_phid = $this->getObjectPHID();
	+
	+ $old = $this->getOldValue();
	+ $new = $this->getNewValue();
	+
	+
	+ return pht('%s changed', $this->renderHandleLink($author_phid));
	+
	+// TODO
	+ $type = $this->getTransactionType();
	+ switch ($type) {
	+ case self::TYPE_NAME:
	+ if ($old === null) {
	+ return pht(
	+ '%s created %s.',
	+ $this->renderHandleLink($author_phid),
	+ $this->renderHandleLink($object_phid));
	+
	+ } else {
	+ return pht(
	+ '%s renamed %s.',
	+ $this->renderHandleLink($author_phid),
	+ $this->renderHandleLink($object_phid));
	+ }
	+ break;
	+
	+ }
	+
	+ return parent::getTitleForFeed();
	+ }
	+
	+ public function getMailTags() {
	+ $tags = parent::getMailTags();
	+
	+ switch ($this->getTransactionType()) {
	+
	+ default:
	+ $tags[] = self::MAILTAG_OTHER;
	+ break;
	+ }
	+
	+ return $tags;
	+ }
	+
	+
	+ public function shouldHide() {
	+ $old = $this->getOldValue();
	+ switch ($this->getTransactionType()) {
	+ case self::TYPE_DESCRIPTION:
	+ return ($old === null);
	+ }
	+ return parent::shouldHide();
	+ }
	+
	+ public function hasChangeDetails() {
	+ switch ($this->getTransactionType()) {
	+ case self::TYPE_DESCRIPTION:
	+ return ($this->getOldValue() !== null);
	+ }
	+
	+ return parent::hasChangeDetails();
	+ }
	+
	+ public function renderChangeDetails(PhabricatorUser $viewer) {
	+ return $this->renderTextCorpusChangeDetails(
	+ $viewer,
	+ $this->getOldValue(),
	+ $this->getNewValue());
	+ }
	+}
	diff --git a/src/applications/packages/typeahead/PackagesPackageDatasource.php b/src/applications/packages/typeahead/PackagesPackageDatasource.php
	new file mode 100644
	--- /dev/null
	+++ b/src/applications/packages/typeahead/PackagesPackageDatasource.php
	@@ -0,0 +1,38 @@
	+<?php
	+
	+final class PackagesPackageDatasource
	+ extends PhabricatorTypeaheadDatasource {
	+
	+ public function getBrowseTitle() {
	+ return pht('Browse Packages');
	+ }
	+
	+ public function getPlaceholderText() {
	+ return pht('Type a package name...');
	+ }
	+
	+ public function getDatasourceApplicationClass() {
	+ return 'PhabricatorPackagesApplication';
	+ }
	+
	+ public function loadResults() {
	+ $viewer = $this->getViewer();
	+ $raw_query = $this->getRawQuery();
	+
	+ $results = array();
	+
	+ // TODO: Make this use real typeahead logic.
	+ $query = new PackagesPackageQuery();
	+ $packages = $this->executeQuery($query);
	+
	+ foreach ($packages as $package) {
	+ $results[] = id(new PhabricatorTypeaheadResult())
	+ ->setName($package->getName())
	+ ->setURI($package->getURI())
	+ ->setPHID($package->getPHID());
	+ }
	+
	+ return $this->filterResultsAgainstTokens($results);
	+ }
	+
	+}
	diff --git a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
	--- a/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
	+++ b/src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php
	@@ -108,6 +108,7 @@
	'db.spaces' => array(),
	'db.phurl' => array(),
	'db.badges' => array(),
	+ 'db.packages' => array(),
	'0000.legacy.sql' => array(
	'legacy' => 0,
	),

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