functions.php ➔ isQuiet() - Code Metrics - Inspection of "Pass-through the quiet mode into the git commands..." - deployphp/deployer - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 017822...ad8e77 )

by Anton

created 2018-10-05 06:20 UTC

functions.php ➔ isQuiet() A

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
nc	1
nop	0
dl	0
loc	4
ccs	1
cts	1
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php
/* (c) Anton Medvedev <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Deployer;

use Deployer\Exception\RuntimeException;
use Deployer\Host\FileLoader;
use Deployer\Host\Host;
use Deployer\Host\Localhost;
use Deployer\Host\Range;
use Deployer\Support\Proxy;
use Deployer\Task\Context;
use Deployer\Task\GroupTask;
use Deployer\Task\Task as T;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ChoiceQuestion;
use Symfony\Component\Console\Question\ConfirmationQuestion;
use Symfony\Component\Console\Question\Question;
use function Deployer\Support\array_to_string;

// There are two types of functions: Deployer dependent and Context dependent.
// Deployer dependent function uses in definition stage of recipe and may require Deployer::get() method.
// Context dependent function uses while task execution and must require only Context::get() method.
// But there is also a third type of functions: mixed. Mixed function uses in definition stage and in task
// execution stage. They are acts like two different function, but have same name. Example of such function
// is set() func. This function determine in which stage it was called by Context::get() method.

/**
 * @param array ...$hostnames
 * @return Host|Host[]|Proxy
 */
function host(...$hostnames)
{
    $deployer = Deployer::get();
    $hostnames = Range::expand($hostnames);

    // Return hosts if has
    if ($deployer->hosts->has($hostnames[0])) {
        if (count($hostnames) === 1) {
            return $deployer->hosts->get($hostnames[0]);
        } else {
            return array_map([$deployer->hosts, 'get'], $hostnames);
        }
    }

    // Add otherwise
    if (count($hostnames) === 1) {
        $host = new Host($hostnames[0]);
        $deployer->hosts->set($hostnames[0], $host);
        return $host;
    } else {
        $hosts = array_map(function ($hostname) use ($deployer) {
            $host = new Host($hostname);
            $deployer->hosts->set($hostname, $host);
            return $host;
        }, $hostnames);
        return new Proxy($hosts);
    }
}

/**
 * @param array ...$hostnames
 * @return Localhost|Localhost[]|Proxy
 */
function localhost(...$hostnames)
{
    $deployer = Deployer::get();
    $hostnames = Range::expand($hostnames);

    if (count($hostnames) <= 1) {
        $host = count($hostnames) === 1 ? new Localhost($hostnames[0]) : new Localhost();
        $deployer->hosts->set($host->getHostname(), $host);
        return $host;
    } else {
        $hosts = array_map(function ($hostname) use ($deployer) {
            $host = new Localhost($hostname);
            $deployer->hosts->set($host->getHostname(), $host);
            return $host;
        }, $hostnames);
        return new Proxy($hosts);
    }
}

/**
 * Load list of hosts from file
 *
 * @param string $file
 * @return Proxy
 */
function inventory($file)
{
    $deployer = Deployer::get();
    $fileLoader = new FileLoader();
    $fileLoader->load($file);

    $hosts = $fileLoader->getHosts();
    foreach ($hosts as $host) {
        $deployer->hosts->set($host->getHostname(), $host);
    }

    return new Proxy($hosts);
}

/**
 * Set task description.
 *
 * @param string $title
 * @return string
 */
function desc($title = null)
{
    static $store = null;

    if ($title === null) {
        return $store;
    } else {
        return $store = $title;
    }
}

/**
 * Define a new task and save to tasks list.
 *
 * Alternatively get a defined task.
 *
 * @param string $name Name of current task.
 * @param callable|array|string|null $body Callable task, array of other tasks names or nothing to get a defined tasks
 * @return Task\Task
 * @throws \InvalidArgumentException
 */
function task($name, $body = null)
{
    $deployer = Deployer::get();

    if (empty($body)) {
        $task = $deployer->tasks->get($name);
        return $task;
    }

    if (is_callable($body)) {
        $task = new T($name, $body);
    } elseif (is_array($body)) {
        $task = new GroupTask($name, $body);
    } elseif (is_string($body)) {
        $task = new T($name, function () use ($body) {
            cd('{{release_path}}');
            run($body);
        });
    } else {
        throw new \InvalidArgumentException('Task should be an closure or array of other tasks.');
    }

    $deployer->tasks->set($name, $task);

    if (!empty(desc())) {
        $task->desc(desc());
        desc(''); // Clear title.
    }

    return $task;
}

/**
 * Call that task before specified task runs.
 *
 * @param string $it The task before $that should be run.
 * @param string $that The task to be run.
 */
function before($it, $that)
{
    $deployer = Deployer::get();
    $beforeTask = $deployer->tasks->get($it);

    $beforeTask->addBefore($that);
}

/**
 * Call that task after specified task runs.
 *
 * @param string $it The task after $that should be run.
 * @param string $that The task to be run.
 */
function after($it, $that)
{
    $deployer = Deployer::get();
    $afterTask = $deployer->tasks->get($it);

    $afterTask->addAfter($that);
}

/**
 * Setup which task run on failure of first.
 *
 * @param string $it The task which need to fail so $that should be run.
 * @param string $that The task to be run.
 */
function fail($it, $that)
{
    $deployer = Deployer::get();
    $deployer->fail->set($it, $that);
}

/**
 * Add users arguments.
 *
 * Note what Deployer already has one argument: "stage".
 *
 * @param string $name
 * @param int $mode
 * @param string $description
 * @param mixed $default
 */
function argument($name, $mode = null, $description = '', $default = null)
{
    Deployer::get()->getConsole()->getUserDefinition()->addArgument(
        new InputArgument($name, $mode, $description, $default)
    );
}

/**
 * Add users options.
 *
 * @param string $name
 * @param string $shortcut
 * @param int $mode
 * @param string $description
 * @param mixed $default
 */
function option($name, $shortcut = null, $mode = null, $description = '', $default = null)
{
    Deployer::get()->getConsole()->getUserDefinition()->addOption(
        new InputOption($name, $shortcut, $mode, $description, $default)
    );
}

/**
 * Change the current working directory.
 *
 * @param string $path
 */
function cd($path)
{
    try {
        set('working_path', parse($path));
    } catch (RuntimeException $e) {
        throw new \Exception('Unable to change directory into "'. $path .'"', 0, $e);
    }
}

/**
 * Execute a callback within a specific directory and revert back to the initial working directory.
 *
 * @param string $path
 * @param callable $callback
 */
function within($path, $callback)
{
    $lastWorkingPath = get('working_path', '');
    try {
        set('working_path', parse($path));
        $callback();
    } finally {
        set('working_path', $lastWorkingPath);
    }
}

/**
 * Run command.
 *
 * @param string $command
 * @param array $options
 * @return string
 */
function run($command, $options = [])
{
    $host = Context::get()->getHost();
    $hostname = $host->getHostname();

    $command = parse($command);
    $workingPath = get('working_path', '');

    if (!empty($workingPath)) {
        $command = "cd $workingPath && ($command)";
    }

    $env = get('env', []) + ($options['env'] ?? []);
    if (!empty($env)) {
        $env = array_to_string($env);
        $command = "export $env; $command";
    }

    if ($host instanceof Localhost) {
        $process = Deployer::get()->processRunner;
        $output = $process->run($hostname, $command, $options);
    } else {
        $client = Deployer::get()->sshClient;
        $output = $client->run($host, $command, $options);
    }

    return rtrim($output);
}

/**
 * Execute commands on local machine
 *
 * @param string $command Command to run locally.
 * @param array $options
 * @return string Output of command.
 */
function runLocally($command, $options = [])
{
    $process = Deployer::get()->processRunner;
    $hostname = 'localhost';
    $command = parse($command);

    $env = get('env', []) + ($options['env'] ?? []);
    if (!empty($env)) {
        $env = array_to_string($env);
        $command = "export $env; $command";
    }

    $output = $process->run($hostname, $command, $options);

    return rtrim($output);
}

/**
 * Run test command.
 * Example:
 *
 *     test('[ -d {{release_path}} ]')
 *
 * @param string $command
 * @return bool
 */
function test($command)
{
    return run("if $command; then echo 'true'; fi") === 'true';
}

/**
 * Run test command locally.
 * Example:
 *
 *     testLocally('[ -d {{local_release_path}} ]')
 *
 * @param string $command
 * @return bool
 */
function testLocally($command)
{
    return runLocally("if $command; then echo 'true'; fi") === 'true';
}

/**
 * Iterate other hosts, allowing to call run func in callback.
 *
 * @experimental
 * @param Host|Host[] $hosts
 * @param callable $callback
 */
function on($hosts, callable $callback)
{
    $input = Context::has() ? input() : null;
    $output = Context::has() ? output() : null;

    if (!is_array($hosts) && !($hosts instanceof \Traversable)) {
        $hosts = [$hosts];
    }

    foreach ($hosts as $host) {
        if ($host instanceof Host) {
            Context::push(new Context($host, $input, $output));
            try {
                $callback($host);
            } finally {
                Context::pop();
            }
        } else {
            throw new \InvalidArgumentException("Function on can iterate only on Host instances.");
        }
    }
}

/**
 * Return hosts based on roles.
 *
 * @experimental
 * @param string[] $roles
 * @return Host[]
 */
function roles(...$roles)
{
    return Deployer::get()->hostSelector->getByRoles($roles);
}

/**
 * Run task
 *
 * @experimental
 * @param string $task
 */
function invoke($task)
{
    $hosts = [Context::get()->getHost()];
    $tasks = Deployer::get()->scriptManager->getTasks($task, $hosts);

    $executor = Deployer::get()->seriesExecutor;
    $executor->run($tasks, $hosts);
}

/**
 * Upload file or directory to host
 *
 * @param string $source
 * @param string $destination
 * @param array $config
 */
function upload($source, $destination, array $config = [])
{
    $rsync = Deployer::get()->rsync;
    $host = Context::get()->getHost();
    $source = parse($source);
    $destination = parse($destination);

    if ($host instanceof Localhost) {
        $rsync->call($host->getHostname(), $source, $destination, $config);
    } else {
        $sshArguments = $host->getSshArguments()->getCliArguments();
        if (empty($sshArguments) === false) {
            if (!isset($config['options']) || !is_array($config['options'])) {
                $config['options'] = [];
            }
            $config['options'][] = "-e 'ssh $sshArguments'";
        }
        $rsync->call($host->getHostname(), $source, "$host:$destination", $config);
    }
}

/**
 * Download file or directory from host
 *
 * @param string $destination
 * @param string $source
 * @param array $config
 */
function download($source, $destination, array $config = [])
{
    $rsync = Deployer::get()->rsync;
    $host = Context::get()->getHost();
    $source = parse($source);
    $destination = parse($destination);

    if ($host instanceof Localhost) {
        $rsync->call($host->getHostname(), $source, $destination, $config);
    } else {
        $sshArguments = $host->getSshArguments()->getCliArguments();
        if (empty($sshArguments) === false) {
            if (!isset($config['options']) || !is_array($config['options'])) {
                $config['options'] = [];
            }
            $config['options'][] = "-e 'ssh $sshArguments'";
        }
        $rsync->call($host->getHostname(), "$host:$source", $destination, $config);
    }
}

/**
 * Writes a message to the output and adds a newline at the end.
 * @param string|array $message
 * @param int $options
 */
function writeln($message, $options = 0)
{
    output()->writeln(parse($message), $options);
}

/**
 * Writes a message to the output.
 * @param string $message
 * @param int $options
 */
function write($message, $options = 0)
{
    output()->write(parse($message), $options);
}

/**
 * Setup configuration option.
 *
 * @param string $name
 * @param mixed $value
 */
function set($name, $value)
{
    if (!Context::has()) {
        Deployer::setDefault($name, $value);
    } else {
        Context::get()->getConfig()->set($name, $value);
    }
}

/**
 * Merge new config params to existing config array.
 *
 * @param string $name
 * @param array $array
 */
function add($name, $array)
{
    if (!Context::has()) {
        Deployer::addDefault($name, $array);
    } else {
        Context::get()->getConfig()->add($name, $array);
    }
}

/**
 * Get configuration value.
 *
 * @param string $name
 * @param mixed|null $default
 * @return mixed
 */
function get($name, $default = null)
{
    if (!Context::has()) {
        return Deployer::getDefault($name, $default);
    } else {
        return Context::get()->getConfig()->get($name, $default);
    }
}

/**
 * Check if there is such configuration option.
 *
 * @param string $name
 * @return boolean
 */
function has($name)
{
    if (!Context::has()) {
        return Deployer::hasDefault($name);
    } else {
        return Context::get()->getConfig()->has($name);
    }
}

/**
 * @param string $message
 * @param string|null $default
 * @param string[]|null $suggestedChoices
 * @return string
 * @codeCoverageIgnore
 */
function ask($message, $default = null, $suggestedChoices = null)
{
    Context::required(__FUNCTION__);

    if (($suggestedChoices !== null) && (empty($suggestedChoices))) {
        throw new \InvalidArgumentException('Suggested choices should not be empty');
    }

    if (isQuiet()) {
        return $default;
    }

    $helper = Deployer::get()->getHelper('question');

    $message = "<question>$message" . (($default === null) ? "" : " [$default]") . "</question> ";

    $question = new Question($message, $default);

    if (empty($suggestedChoices) === false) {
        $question->setAutocompleterValues($suggestedChoices);
    }

    return $helper->ask(input(), output(), $question);
}

/**
 * @param string $message
 * @param string[] $availableChoices
 * @param string|null $default
 * @param bool|false $multiselect
 * @return array
 * @codeCoverageIgnore
 */
function askChoice($message, array $availableChoices, $default = null, $multiselect = false)
{
    Context::required(__FUNCTION__);

    if (empty($availableChoices)) {
        throw new \InvalidArgumentException('Available choices should not be empty');
    }

    if ($default !== null && !array_key_exists($default, $availableChoices)) {
        throw new \InvalidArgumentException('Default choice is not available');
    }

    if (isQuiet()) {
        if ($default === null) {
            $default = key($availableChoices);
        }
        return [$default => $availableChoices[$default]];
    }

    $helper = Deployer::get()->getHelper('question');

    $message = "<question>$message" . (($default === null) ? "" : " [$default]") . "</question> ";

    $question = new ChoiceQuestion($message, $availableChoices, $default);
    $question->setMultiselect($multiselect);

    return $helper->ask(input(), output(), $question);
}

/**
 * @param string $message
 * @param bool $default
 * @return bool
 * @codeCoverageIgnore
 */
function askConfirmation($message, $default = false)
{
    Context::required(__FUNCTION__);

    if (isQuiet()) {
        return $default;
    }

    $helper = Deployer::get()->getHelper('question');

    $yesOrNo = $default ? 'Y/n' : 'y/N';
    $message = "<question>$message [$yesOrNo]</question> ";

    $question = new ConfirmationQuestion($message, $default);

    return $helper->ask(input(), output(), $question);
}

/**
 * @param string $message
 * @return string
 * @codeCoverageIgnore
 */
function askHiddenResponse($message)
{
    Context::required(__FUNCTION__);

    if (isQuiet()) {
        return '';
    }

    $helper = Deployer::get()->getHelper('question');

    $message = "<question>$message</question> ";

    $question = new Question($message);
    $question->setHidden(true);
    $question->setHiddenFallback(false);

    return $helper->ask(input(), output(), $question);
}

/**
 * @return InputInterface
 */
function input()
{
    return Context::get()->getInput();
}


/**
 * @return OutputInterface
 */
function output()
{
    return Context::get()->getOutput();
}

/**
 * @return bool
 */
function isQuiet()
{
    return OutputInterface::VERBOSITY_QUIET === output()->getVerbosity();
}


/**
 * @return bool
 */
function isVerbose()
{
    return OutputInterface::VERBOSITY_VERBOSE <= output()->getVerbosity();
}


/**
 * @return bool
 */
function isVeryVerbose()
{
    return OutputInterface::VERBOSITY_VERY_VERBOSE <= output()->getVerbosity();
}


/**
 * @return bool
 */
function isDebug()
{
    return OutputInterface::VERBOSITY_DEBUG <= output()->getVerbosity();
}

/**
 * Check if command exists
 *
 * @param string $command
 * @return bool
 */
function commandExist($command)
{
    return test("hash $command 2>/dev/null");
}

function commandSupportsOption($command, $option)
{
    return test("[[ $(man $command 2>&1 || $command -h 2>&1 || $command --help 2>&1) =~ '$option' ]]");
}

/**
 * Parse set values.
 *
 * @param string $value
 * @return string
 */
function parse($value)
{
    return Context::get()->getConfig()->parse($value);
}

function locateBinaryPath($name)
{
    $nameEscaped = escapeshellarg($name);

    // Try `command`, should cover all Bourne-like shells
    // Try `which`, should cover most other cases
    // Fallback to `type` command, if the rest fails
    $path = run("command -v $nameEscaped || which $nameEscaped || type -p $nameEscaped");
    if ($path) {
        // Deal with issue when `type -p` outputs something like `type -ap` in some implementations
        return trim(str_replace("$name is", "", $path));
    }

    throw new \RuntimeException("Can't locate [$nameEscaped] - neither of [command|which|type] commands are available");
}


1			<?php
2			/* (c) Anton Medvedev <[email protected]>
3			*
4			* For the full copyright and license information, please view the LICENSE
5			* file that was distributed with this source code.
6			*/
7
8			namespace Deployer;
9
10			use Deployer\Exception\RuntimeException;
11			use Deployer\Host\FileLoader;
12			use Deployer\Host\Host;
13			use Deployer\Host\Localhost;
14			use Deployer\Host\Range;
15			use Deployer\Support\Proxy;
16			use Deployer\Task\Context;
17			use Deployer\Task\GroupTask;
18			use Deployer\Task\Task as T;
19			use Symfony\Component\Console\Input\InputArgument;
20			use Symfony\Component\Console\Input\InputInterface;
21			use Symfony\Component\Console\Input\InputOption;
22			use Symfony\Component\Console\Output\OutputInterface;
23			use Symfony\Component\Console\Question\ChoiceQuestion;
24			use Symfony\Component\Console\Question\ConfirmationQuestion;
25			use Symfony\Component\Console\Question\Question;
26			use function Deployer\Support\array_to_string;
27
28			// There are two types of functions: Deployer dependent and Context dependent.
29			// Deployer dependent function uses in definition stage of recipe and may require Deployer::get() method.
30			// Context dependent function uses while task execution and must require only Context::get() method.
31			// But there is also a third type of functions: mixed. Mixed function uses in definition stage and in task
32			// execution stage. They are acts like two different function, but have same name. Example of such function
33			// is set() func. This function determine in which stage it was called by Context::get() method.
34
35			/**
36			* @param array ...$hostnames
37			* @return Host\|Host[]\|Proxy
38			*/
39			function host(...$hostnames)
40			{
41	2		$deployer = Deployer::get();
42	2		$hostnames = Range::expand($hostnames);
43
44			// Return hosts if has
45	2		if ($deployer->hosts->has($hostnames[0])) {
46	2		if (count($hostnames) === 1) {
47	1		return $deployer->hosts->get($hostnames[0]);
48			} else {
49	1		return array_map([$deployer->hosts, 'get'], $hostnames);
50			}
51			}
52
53			// Add otherwise
54	1		if (count($hostnames) === 1) {
55	1		$host = new Host($hostnames[0]);
56	1		$deployer->hosts->set($hostnames[0], $host);
57	1		return $host;
58			} else {
59			$hosts = array_map(function ($hostname) use ($deployer) {
60	1		$host = new Host($hostname);
61	1		$deployer->hosts->set($hostname, $host);
62	1		return $host;
63	1		}, $hostnames);
64	1		return new Proxy($hosts);
65			}
66			}
67
68			/**
69			* @param array ...$hostnames
70			* @return Localhost\|Localhost[]\|Proxy
71			*/
72			function localhost(...$hostnames)
73			{
74	16		$deployer = Deployer::get();
75	16		$hostnames = Range::expand($hostnames);
76
77	16		if (count($hostnames) <= 1) {
78	10		$host = count($hostnames) === 1 ? new Localhost($hostnames[0]) : new Localhost();
79	10		$deployer->hosts->set($host->getHostname(), $host);
80	10		return $host;
81			} else {
82			$hosts = array_map(function ($hostname) use ($deployer) {
83	6		$host = new Localhost($hostname);
84	6		$deployer->hosts->set($host->getHostname(), $host);
85	6		return $host;
86	6		}, $hostnames);
87	6		return new Proxy($hosts);
88			}
89			}
90
91			/**
92			* Load list of hosts from file
93			*
94			* @param string $file
95			* @return Proxy
96			*/
97			function inventory($file)
98			{
99	1		$deployer = Deployer::get();
100	1		$fileLoader = new FileLoader();
101	1		$fileLoader->load($file);
102
103	1		$hosts = $fileLoader->getHosts();
104	1		foreach ($hosts as $host) {
105	1		$deployer->hosts->set($host->getHostname(), $host);
106			}
107
108	1		return new Proxy($hosts);
109			}
110
111			/**
112			* Set task description.
113			*
114			* @param string $title
115			* @return string
116			*/
117			function desc($title = null)
118			{
119	18		static $store = null;
120
121	18		if ($title === null) {
122	18		return $store;
123			} else {
124	10		return $store = $title;
125			}
126			}
127
128			/**
129			* Define a new task and save to tasks list.
130			*
131			* Alternatively get a defined task.
132			*
133			* @param string $name Name of current task.
134			* @param callable\|array\|string\|null $body Callable task, array of other tasks names or nothing to get a defined tasks
135			* @return Task\Task
136			* @throws \InvalidArgumentException
137			*/
138			function task($name, $body = null)
139			{
140	18		$deployer = Deployer::get();
141
142	18		if (empty($body)) {
143	1		$task = $deployer->tasks->get($name);
144	1		return $task;
145			}
146
147	18		if (is_callable($body)) {
148	16		$task = new T($name, $body);
149	17		} elseif (is_array($body)) {
150	15		$task = new GroupTask($name, $body);
151	10		} elseif (is_string($body)) {
152			$task = new T($name, function () use ($body) {
153	1		cd('{{release_path}}');
154	1		run($body);
155	10		});
156			} else {
157			throw new \InvalidArgumentException('Task should be an closure or array of other tasks.');
158			}
159
160	18		$deployer->tasks->set($name, $task);
161
162	18		if (!empty(desc())) {
163	10		$task->desc(desc());
164	10		desc(''); // Clear title.
165			}
166
167	18		return $task;
168			}
169
170			/**
171			* Call that task before specified task runs.
172			*
173			* @param string $it The task before $that should be run.
174			* @param string $that The task to be run.
175			*/
176			function before($it, $that)
177			{
178	1		$deployer = Deployer::get();
179	1		$beforeTask = $deployer->tasks->get($it);
180
181	1		$beforeTask->addBefore($that);
182	1		}
183
184			/**
185			* Call that task after specified task runs.
186			*
187			* @param string $it The task after $that should be run.
188			* @param string $that The task to be run.
189			*/
190			function after($it, $that)
191			{
192	1		$deployer = Deployer::get();
193	1		$afterTask = $deployer->tasks->get($it);
194
195	1		$afterTask->addAfter($that);
196	1		}
197
198			/**
199			* Setup which task run on failure of first.
200			*
201			* @param string $it The task which need to fail so $that should be run.
202			* @param string $that The task to be run.
203			*/
204			function fail($it, $that)
205			{
206	10		$deployer = Deployer::get();
207	10		$deployer->fail->set($it, $that);
208	10		}
209
210			/**
211			* Add users arguments.
212			*
213			* Note what Deployer already has one argument: "stage".
214			*
215			* @param string $name
216			* @param int $mode
217			* @param string $description
218			* @param mixed $default
219			*/
220			function argument($name, $mode = null, $description = '', $default = null)
221			{
222			Deployer::get()->getConsole()->getUserDefinition()->addArgument(
223			new InputArgument($name, $mode, $description, $default)
224			);
225			}
226
227			/**
228			* Add users options.
229			*
230			* @param string $name
231			* @param string $shortcut
232			* @param int $mode
233			* @param string $description
234			* @param mixed $default
235			*/
236			function option($name, $shortcut = null, $mode = null, $description = '', $default = null)
237			{
238	10		Deployer::get()->getConsole()->getUserDefinition()->addOption(
239	10		new InputOption($name, $shortcut, $mode, $description, $default)
240			);
241	10		}
242
243			/**
244			* Change the current working directory.
245			*
246			* @param string $path
247			*/
248			function cd($path)
249			{
250			try {
251	7		set('working_path', parse($path));
252			} catch (RuntimeException $e) {
253			throw new \Exception('Unable to change directory into "'. $path .'"', 0, $e);
254			}
255	7		}
256
257			/**
258			* Execute a callback within a specific directory and revert back to the initial working directory.
259			*
260			* @param string $path
261			* @param callable $callback
262			*/
263			function within($path, $callback)
264			{
265			$lastWorkingPath = get('working_path', '');
266			try {
267			set('working_path', parse($path));
268			$callback();
269			} finally {
270			set('working_path', $lastWorkingPath);
271			}
272			}
273
274			/**
275			* Run command.
276			*
277			* @param string $command
278			* @param array $options
279			* @return string
280			*/
281			function run($command, $options = [])
282			{
283	9		$host = Context::get()->getHost();
284	9		$hostname = $host->getHostname();
285
286	9		$command = parse($command);
287	9		$workingPath = get('working_path', '');
288
289	9		if (!empty($workingPath)) {
290	7		$command = "cd $workingPath && ($command)";
291			}
292
293	9		$env = get('env', []) + ($options['env'] ?? []);
294	9		if (!empty($env)) {
295	1		$env = array_to_string($env);
296	1		$command = "export $env; $command";
297			}
298
299	9		if ($host instanceof Localhost) {
300	9		$process = Deployer::get()->processRunner;
301	9		$output = $process->run($hostname, $command, $options);
302			} else {
303			$client = Deployer::get()->sshClient;
304			$output = $client->run($host, $command, $options);
305			}
306
307	9		return rtrim($output);
308			}
309
310			/**
311			* Execute commands on local machine
312			*
313			* @param string $command Command to run locally.
314			* @param array $options
315			* @return string Output of command.
316			*/
317			function runLocally($command, $options = [])
318			{
319	2		$process = Deployer::get()->processRunner;
320	2		$hostname = 'localhost';
321	2		$command = parse($command);
322
323	2		$env = get('env', []) + ($options['env'] ?? []);
324	2		if (!empty($env)) {
325	1		$env = array_to_string($env);
326	1		$command = "export $env; $command";
327			}
328
329	2		$output = $process->run($hostname, $command, $options);
330
331	2		return rtrim($output);
332			}
333
334			/**
335			* Run test command.
336			* Example:
337			*
338			* test('[ -d {{release_path}} ]')
339			*
340			* @param string $command
341			* @return bool
342			*/
343			function test($command)
344			{
345	7		return run("if $command; then echo 'true'; fi") === 'true';
346			}
347
348			/**
349			* Run test command locally.
350			* Example:
351			*
352			* testLocally('[ -d {{local_release_path}} ]')
353			*
354			* @param string $command
355			* @return bool
356			*/
357			function testLocally($command)
358			{
359			return runLocally("if $command; then echo 'true'; fi") === 'true';
360			}
361
362			/**
363			* Iterate other hosts, allowing to call run func in callback.
364			*
365			* @experimental
366			* @param Host\|Host[] $hosts
367			* @param callable $callback
368			*/
369			function on($hosts, callable $callback)
370			{
371	5		$input = Context::has() ? input() : null;
372	5		$output = Context::has() ? output() : null;
373
374	5		if (!is_array($hosts) && !($hosts instanceof \Traversable)) {
375			$hosts = [$hosts];
376			}
377
378	5		foreach ($hosts as $host) {
379	5		if ($host instanceof Host) {
380	5		Context::push(new Context($host, $input, $output));
381			try {
382	5		$callback($host);
383	5		} finally {
384	5		Context::pop();
385			}
386			} else {
387	5		throw new \InvalidArgumentException("Function on can iterate only on Host instances.");
388			}
389			}
390	5		}
391
392			/**
393			* Return hosts based on roles.
394			*
395			* @experimental
396			* @param string[] $roles
397			* @return Host[]
398			*/
399			function roles(...$roles)
400			{
401	1		return Deployer::get()->hostSelector->getByRoles($roles);
402			}
403
404			/**
405			* Run task
406			*
407			* @experimental
408			* @param string $task
409			*/
410			function invoke($task)
411			{
412	2		$hosts = [Context::get()->getHost()];
413	2		$tasks = Deployer::get()->scriptManager->getTasks($task, $hosts);
414
415	2		$executor = Deployer::get()->seriesExecutor;
416	2		$executor->run($tasks, $hosts);
417	2		}
418
419			/**
420			* Upload file or directory to host
421			*
422			* @param string $source
423			* @param string $destination
424			* @param array $config
425			*/
426		View Code Duplication	function upload($source, $destination, array $config = [])
427			{
428			$rsync = Deployer::get()->rsync;
429			$host = Context::get()->getHost();
430			$source = parse($source);
431			$destination = parse($destination);
432
433			if ($host instanceof Localhost) {
434			$rsync->call($host->getHostname(), $source, $destination, $config);
435			} else {
436			$sshArguments = $host->getSshArguments()->getCliArguments();
437			if (empty($sshArguments) === false) {
438			if (!isset($config['options']) \|\| !is_array($config['options'])) {
439			$config['options'] = [];
440			}
441			$config['options'][] = "-e 'ssh $sshArguments'";
442			}
443			$rsync->call($host->getHostname(), $source, "$host:$destination", $config);
444			}
445			}
446
447			/**
448			* Download file or directory from host
449			*
450			* @param string $destination
451			* @param string $source
452			* @param array $config
453			*/
454		View Code Duplication	function download($source, $destination, array $config = [])
455			{
456			$rsync = Deployer::get()->rsync;
457			$host = Context::get()->getHost();
458			$source = parse($source);
459			$destination = parse($destination);
460
461			if ($host instanceof Localhost) {
462			$rsync->call($host->getHostname(), $source, $destination, $config);
463			} else {
464			$sshArguments = $host->getSshArguments()->getCliArguments();
465			if (empty($sshArguments) === false) {
466			if (!isset($config['options']) \|\| !is_array($config['options'])) {
467			$config['options'] = [];
468			}
469			$config['options'][] = "-e 'ssh $sshArguments'";
470			}
471			$rsync->call($host->getHostname(), "$host:$source", $destination, $config);
472			}
473			}
474
475			/**
476			* Writes a message to the output and adds a newline at the end.
477			* @param string\|array $message
478			* @param int $options
479			*/
480			function writeln($message, $options = 0)
481			{
482	10		output()->writeln(parse($message), $options);
483	10		}
484
485			/**
486			* Writes a message to the output.
487			* @param string $message
488			* @param int $options
489			*/
490			function write($message, $options = 0)
491			{
492			output()->write(parse($message), $options);
493			}
494
495			/**
496			* Setup configuration option.
497			*
498			* @param string $name
499			* @param mixed $value
500			*/
501			function set($name, $value)
502			{
503	11		if (!Context::has()) {
504	11		Deployer::setDefault($name, $value);
505			} else {
506	7		Context::get()->getConfig()->set($name, $value);
507			}
508	11		}
509
510			/**
511			* Merge new config params to existing config array.
512			*
513			* @param string $name
514			* @param array $array
515			*/
516			function add($name, $array)
517			{
518	1		if (!Context::has()) {
519			Deployer::addDefault($name, $array);
520			} else {
521	1		Context::get()->getConfig()->add($name, $array);
522			}
523	1		}
524
525			/**
526			* Get configuration value.
527			*
528			* @param string $name
529			* @param mixed\|null $default
530			* @return mixed
531			*/
532			function get($name, $default = null)
533			{
534	11		if (!Context::has()) {
535			return Deployer::getDefault($name, $default);
536			} else {
537	11		return Context::get()->getConfig()->get($name, $default);
538			}
539			}
540
541			/**
542			* Check if there is such configuration option.
543			*
544			* @param string $name
545			* @return boolean
546			*/
547			function has($name)
548			{
549	5		if (!Context::has()) {
550			return Deployer::hasDefault($name);
551			} else {
552	5		return Context::get()->getConfig()->has($name);
553			}
554			}
555
556			/**
557			* @param string $message
558			* @param string\|null $default
559			* @param string[]\|null $suggestedChoices
560			* @return string
561			* @codeCoverageIgnore
562			*/
563			function ask($message, $default = null, $suggestedChoices = null)
564			{
565			Context::required(__FUNCTION__);
566
567			if (($suggestedChoices !== null) && (empty($suggestedChoices))) {
568			throw new \InvalidArgumentException('Suggested choices should not be empty');
569			}
570
571			if (isQuiet()) {
572			return $default;
573			}
574
575			$helper = Deployer::get()->getHelper('question');
576
577			$message = "<question>$message" . (($default === null) ? "" : " [$default]") . "</question> ";
578
579			$question = new Question($message, $default);
580
581			if (empty($suggestedChoices) === false) {
582			$question->setAutocompleterValues($suggestedChoices);
583			}
584
585			return $helper->ask(input(), output(), $question);
586			}
587
588			/**
589			* @param string $message
590			* @param string[] $availableChoices
591			* @param string\|null $default
592			* @param bool\|false $multiselect
593			* @return array
594			* @codeCoverageIgnore
595			*/
596			function askChoice($message, array $availableChoices, $default = null, $multiselect = false)
597			{
598			Context::required(__FUNCTION__);
599
600			if (empty($availableChoices)) {
601			throw new \InvalidArgumentException('Available choices should not be empty');
602			}
603
604			if ($default !== null && !array_key_exists($default, $availableChoices)) {
605			throw new \InvalidArgumentException('Default choice is not available');
606			}
607
608			if (isQuiet()) {
609			if ($default === null) {
610			$default = key($availableChoices);
611			}
612			return [$default => $availableChoices[$default]];
613			}
614
615			$helper = Deployer::get()->getHelper('question');
616
617			$message = "<question>$message" . (($default === null) ? "" : " [$default]") . "</question> ";
618
619			$question = new ChoiceQuestion($message, $availableChoices, $default);
620			$question->setMultiselect($multiselect);
621
622			return $helper->ask(input(), output(), $question);
623			}
624
625			/**
626			* @param string $message
627			* @param bool $default
628			* @return bool
629			* @codeCoverageIgnore
630			*/
631			function askConfirmation($message, $default = false)
632			{
633			Context::required(__FUNCTION__);
634
635			if (isQuiet()) {
636			return $default;
637			}
638
639			$helper = Deployer::get()->getHelper('question');
640
641			$yesOrNo = $default ? 'Y/n' : 'y/N';
642			$message = "<question>$message [$yesOrNo]</question> ";
643
644			$question = new ConfirmationQuestion($message, $default);
645
646			return $helper->ask(input(), output(), $question);
647			}
648
649			/**
650			* @param string $message
651			* @return string
652			* @codeCoverageIgnore
653			*/
654			function askHiddenResponse($message)
655			{
656			Context::required(__FUNCTION__);
657
658			if (isQuiet()) {
659			return '';
660			}
661
662			$helper = Deployer::get()->getHelper('question');
663
664			$message = "<question>$message</question> ";
665
666			$question = new Question($message);
667			$question->setHidden(true);
668			$question->setHiddenFallback(false);
669
670			return $helper->ask(input(), output(), $question);
671			}
672
673			/**
674			* @return InputInterface
675			*/
676			function input()
677			{
678	8		return Context::get()->getInput();
679			}
680
681
682			/**
683			* @return OutputInterface
684			*/
685			function output()
686			{
687	14		return Context::get()->getOutput();
688			}
689
690			/**
691			* @return bool
692			*/
693			function isQuiet()
694			{
695	3		return OutputInterface::VERBOSITY_QUIET === output()->getVerbosity();
696			}
697
698
699			/**
700			* @return bool
701			*/
702			function isVerbose()
703			{
704	1		return OutputInterface::VERBOSITY_VERBOSE <= output()->getVerbosity();
705			}
706
707
708			/**
709			* @return bool
710			*/
711			function isVeryVerbose()
712			{
713			return OutputInterface::VERBOSITY_VERY_VERBOSE <= output()->getVerbosity();
714			}
715
716
717			/**
718			* @return bool
719			*/
720			function isDebug()
721			{
722			return OutputInterface::VERBOSITY_DEBUG <= output()->getVerbosity();
723			}
724
725			/**
726			* Check if command exists
727			*
728			* @param string $command
729			* @return bool
730			*/
731			function commandExist($command)
732			{
733	3		return test("hash $command 2>/dev/null");
734			}
735
736			function commandSupportsOption($command, $option)
737			{
738	6		return test("[[ $(man $command 2>&1 \|\| $command -h 2>&1 \|\| $command --help 2>&1) =~ '$option' ]]");
739			}
740
741			/**
742			* Parse set values.
743			*
744			* @param string $value
745			* @return string
746			*/
747			function parse($value)
748			{
749	14		return Context::get()->getConfig()->parse($value);
750			}
751
752			function locateBinaryPath($name)
753			{
754	3		$nameEscaped = escapeshellarg($name);
755
756			// Try `command`, should cover all Bourne-like shells
757			// Try `which`, should cover most other cases
758			// Fallback to `type` command, if the rest fails
759	3		$path = run("command -v $nameEscaped \|\| which $nameEscaped \|\| type -p $nameEscaped");
760	3		if ($path) {
761			// Deal with issue when `type -p` outputs something like `type -ap` in some implementations
762	3		return trim(str_replace("$name is", "", $path));
763			}
764
765			throw new \RuntimeException("Can't locate [$nameEscaped] - neither of [command\|which\|type] commands are available");
766			}
767

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functions.php ➔ isQuiet() A

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