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b52ee2fdee
Summary: We need to run new Arcanist over old code in Perflab. We also need to run new Arcanist over new code (with already deleted custom `buildAllWorkflows()`). This will work because old code overwrites `buildAllWorkflows()`. Test Plan: $ arc help $ arc help # after deleting getWorkflowName() from one workflow Reviewers: edward, epriestley Reviewed By: epriestley CC: aran, Korvin Differential Revision: https://secure.phabricator.com/D3741
100 lines
3.1 KiB
PHP
100 lines
3.1 KiB
PHP
<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Runtime workflow configuration. In Arcanist, commands you type like
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* "arc diff" or "arc lint" are called "workflows". This class allows you to add
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* new workflows (and extend existing workflows) by subclassing it and then
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* pointing to your subclass in your project configuration.
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*
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* When specified as the **arcanist_configuration** class in your project's
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* ##.arcconfig##, your subclass will be instantiated (instead of this class)
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* and be able to handle all the method calls. In particular, you can:
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*
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* - create, replace, or disable workflows by overriding buildWorkflow()
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* and buildAllWorkflows();
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* - add additional steps before or after workflows run by overriding
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* willRunWorkflow() or didRunWorkflow(); and
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* - add new flags to existing workflows by overriding
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* getCustomArgumentsForCommand().
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*
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* @group config
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* @concrete-extensible
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*/
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class ArcanistConfiguration {
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public function buildWorkflow($command) {
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if ($command == '--help') {
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// Special-case "arc --help" to behave like "arc help" instead of telling
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// you to type "arc help" without being helpful.
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$command = 'help';
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}
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return idx($this->buildAllWorkflows(), $command);
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}
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public function buildAllWorkflows() {
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$symbols = id(new PhutilSymbolLoader())
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->setType('class')
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->setAncestorClass('ArcanistBaseWorkflow')
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->selectAndLoadSymbols();
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$workflows = array();
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foreach ($symbols as $symbol) {
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$class = $symbol['name'];
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$workflow = newv($class, array());
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// TODO: Delete after installations will update (2012-10-31).
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if (!method_exists($workflow, 'getWorkflowName')) {
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// This workflow was hopefully already built by our parent.
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continue;
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}
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$name = $workflow->getWorkflowName();
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if (isset($workflows[$name])) {
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$other = get_class($workflows[$name]);
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throw new Exception(
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"Workflows {$class} and {$other} both implement workflows named ".
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"{$name}.");
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}
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$workflows[$workflow->getWorkflowName()] = $workflow;
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}
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return $workflows;
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}
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final public function isValidWorkflow($workflow) {
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return (bool)$this->buildWorkflow($workflow);
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}
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public function willRunWorkflow($command, ArcanistBaseWorkflow $workflow) {
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// This is a hook.
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}
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public function didRunWorkflow($command, ArcanistBaseWorkflow $workflow,
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$err) {
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// This is a hook.
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}
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public function getCustomArgumentsForCommand($command) {
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return array();
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}
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}
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