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phab/src/infrastructure/PhabricatorScopedEnv.php
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PhabricatorScopedEnv.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Scope guard to hold a temporary environment. See @{class:PhabricatorEnv} for
* instructions on use.
*
* @task internal Internals
* @task override Overriding Environment Configuration
*/
final class PhabricatorScopedEnv {
private $key;
private $isPopped = false;
/* -( Overriding Environment Configuration )------------------------------- */
/**
* Override a configuration key in this scope, setting it to a new value.
*
* @param string Key to override.
* @param wild New value.
* @return this
*
* @task override
*/
public function overrideEnvConfig($key, $value) {
PhabricatorEnv::overrideEnvConfig(
$this->key,
$key,
$value);
return $this;
}
/* -( Internals )---------------------------------------------------------- */
/**
*
* @task internal
*/
public function __construct($stack_key) {
$this->key = $stack_key;
}
/**
* Release the scoped environment.
*
* @return void
* @task internal
*/
public function __destruct() {
if (!$this->isPopped) {
PhabricatorEnv::popEnvironment($this->key);
$this->isPopped = true;
}
}
}
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