SelfUpdateCommand - Code Metrics - ktomk/n98-magerun2 - Measure and Improve Code Quality continuously with Scrutinizer

SelfUpdateCommand A
last analyzed 2016-05-29 11:20 UTC

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	140
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Importance

Changes	4
Bugs	1	Features	0

Metric	Value
wmc	17
c	4
b	1
f	0
lcom	1
cbo	6
dl	0
loc	140
rs	10

4 Methods

Rating	Name	Size	Complexity
A	configure()	18	1
D	execute()	97	14
A	isEnabled()	4	1
A	_exit()	4	1

<?php

namespace N98\Magento\Command;

use Composer\Downloader\FilesystemException;
use Composer\IO\ConsoleIO;
use Composer\Util\RemoteFilesystem;
use N98\Magento\Command\AbstractMagentoCommand;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @codeCoverageIgnore
 * @author Igor Wiedler <[email protected]>
 * @author Christian Münch <[email protected]>
 */
class SelfUpdateCommand extends AbstractMagentoCommand
{
    protected function configure()
    {
        $this
            ->setName('self-update')
            ->setAliases(array('selfupdate'))
            ->addOption('unstable', null, InputOption::VALUE_NONE, 'Load unstable version from develop branch')
            ->setDescription('Updates n98-magerun.phar to the latest version.')
            ->setHelp(
<<<EOT
The <info>self-update</info> command checks github for newer
versions of n98-magerun and if found, installs the latest.

<info>php n98-magerun.phar self-update</info>

EOT
            )
        ;
    }

    /**
     * @return bool
     */
    public function isEnabled()
    {
        return $this->getApplication()->isPharMode();
    }

    protected function execute(InputInterface $input, OutputInterface $output)
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
    {
        $localFilename = realpath($_SERVER['argv'][0]) ?: $_SERVER['argv'][0];
        $tempFilename = dirname($localFilename) . '/' . basename($localFilename, '.phar') . '-temp.phar';

        // check for permissions in local filesystem before start connection process
        if (!is_writable($tempDirectory = dirname($tempFilename))) {
            throw new FilesystemException(
                'n98-magerun2 update failed: the "' . $tempDirectory .
                '" directory used to download the temp file could not be written'
            );
        }

        if (!is_writable($localFilename)) {
            throw new FilesystemException(
                'n98-magerun2 update failed: the "' . $localFilename . '" file could not be written'
            );
        }

        $io = new ConsoleIO($input, $output, $this->getHelperSet());
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
        $rfs = new RemoteFilesystem($io);

        $loadUnstable = $input->getOption('unstable');
        if ($loadUnstable) {
            $versionTxtUrl = 'https://raw.githubusercontent.com/netz98/n98-magerun2/develop/version.txt';
            $remoteFilename = 'https://files.magerun.net/n98-magerun2-dev.phar';
        } else {
            $versionTxtUrl = 'https://raw.githubusercontent.com/netz98/n98-magerun2/master/version.txt';
            $remoteFilename = 'https://files.magerun.net/n98-magerun2.phar';
        }

        $latest = trim($rfs->getContents('raw.githubusercontent.com', $versionTxtUrl, false));

        if ($this->getApplication()->getVersion() !== $latest || $loadUnstable) {
            $output->writeln(sprintf("Updating to version <info>%s</info>.", $latest));

            $rfs->copy('raw.github.com', $remoteFilename, $tempFilename);

            if (!file_exists($tempFilename)) {
                $output->writeln('<error>The download of the new n98-magerun version failed for an unexpected reason');

                return 1;
            }

            try {
                \error_reporting(E_ALL); // supress notices

                @chmod($tempFilename, 0777 & ~umask());
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
                // test the phar validity
                $phar = new \Phar($tempFilename);
                // free the variable to unlock the file
                unset($phar);
                @rename($tempFilename, $localFilename);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
                $output->writeln('<info>Successfully updated n98-magerun2</info>');

                if ($loadUnstable) {
                    $changeLogContent = $rfs->getContents(
                        'raw.github.com',
                        'https://raw.github.com/netz98/n98-magerun2/develop/CHANGELOG.md',
                        false
                    );
                } else {
                    $changeLogContent = $rfs->getContents(
                        'raw.github.com',
                        'https://raw.github.com/netz98/n98-magerun2/master/CHANGELOG.md',
                        false
                    );
                }

                if ($changeLogContent) {
                    $output->writeln($changeLogContent);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                }

                if ($loadUnstable) {
                    $unstableFooterMessage = <<<UNSTABLE_FOOTER
<comment>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!! DEVELOPMENT VERSION. DO NOT USE IN PRODUCTION !!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
</comment>
UNSTABLE_FOOTER;
                    $output->writeln($unstableFooterMessage);
                }

                $this->_exit();
            } catch (\Exception $e) {
                @unlink($tempFilename);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
                if (!$e instanceof \UnexpectedValueException && !$e instanceof \PharException) {
                    throw $e;
                }
                $output->writeln('<error>The download is corrupted (' . $e->getMessage() . ').</error>');
                $output->writeln('<error>Please re-run the self-update command to try again.</error>');
            }
        } else {
            $output->writeln("<info>You are using the latest n98-magerun version.</info>");
        }
    }

    /**
     * Stop execution
     *
     * This is a workaround to prevent warning of dispatcher after replacing
     * the phar file.
     *
     * @return void
     */
    protected function _exit()
    {
        exit;

    }
}


1			<?php
2
3			namespace N98\Magento\Command;
4
5			use Composer\Downloader\FilesystemException;
6			use Composer\IO\ConsoleIO;
7			use Composer\Util\RemoteFilesystem;
8			use N98\Magento\Command\AbstractMagentoCommand;
9			use Symfony\Component\Console\Input\InputInterface;
10			use Symfony\Component\Console\Input\InputOption;
11			use Symfony\Component\Console\Output\OutputInterface;
12
13			/**
14			* @codeCoverageIgnore
15			* @author Igor Wiedler <[email protected]>
16			* @author Christian Münch <[email protected]>
17			*/
18			class SelfUpdateCommand extends AbstractMagentoCommand
19			{
20			protected function configure()
21			{
22			$this
23			->setName('self-update')
24			->setAliases(array('selfupdate'))
25			->addOption('unstable', null, InputOption::VALUE_NONE, 'Load unstable version from develop branch')
26			->setDescription('Updates n98-magerun.phar to the latest version.')
27			->setHelp(
28			<<<EOT
29			The <info>self-update</info> command checks github for newer
30			versions of n98-magerun and if found, installs the latest.
31
32			<info>php n98-magerun.phar self-update</info>
33
34			EOT
35			)
36			;
37			}
38
39			/**
40			* @return bool
41			*/
42			public function isEnabled()
43			{
44			return $this->getApplication()->isPharMode();
45			}
46
47			protected function execute(InputInterface $input, OutputInterface $output)
			0 ignored issues – show Coding Style introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report `execute` uses the super-global variable `$_SERVER` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
48			{
49			$localFilename = realpath($_SERVER['argv'][0]) ?: $_SERVER['argv'][0];
50			$tempFilename = dirname($localFilename) . '/' . basename($localFilename, '.phar') . '-temp.phar';
51
52			// check for permissions in local filesystem before start connection process
53			if (!is_writable($tempDirectory = dirname($tempFilename))) {
54			throw new FilesystemException(
55			'n98-magerun2 update failed: the "' . $tempDirectory .
56			'" directory used to download the temp file could not be written'
57			);
58			}
59
60			if (!is_writable($localFilename)) {
61			throw new FilesystemException(
62			'n98-magerun2 update failed: the "' . $localFilename . '" file could not be written'
63			);
64			}
65
66			$io = new ConsoleIO($input, $output, $this->getHelperSet());
			0 ignored issues – show Bug introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report It seems like `$this->getHelperSet()` can be `null`; however, `__construct()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
67			$rfs = new RemoteFilesystem($io);
68
69			$loadUnstable = $input->getOption('unstable');
70			if ($loadUnstable) {
71			$versionTxtUrl = 'https://raw.githubusercontent.com/netz98/n98-magerun2/develop/version.txt';
72			$remoteFilename = 'https://files.magerun.net/n98-magerun2-dev.phar';
73			} else {
74			$versionTxtUrl = 'https://raw.githubusercontent.com/netz98/n98-magerun2/master/version.txt';
75			$remoteFilename = 'https://files.magerun.net/n98-magerun2.phar';
76			}
77
78			$latest = trim($rfs->getContents('raw.githubusercontent.com', $versionTxtUrl, false));
79
80			if ($this->getApplication()->getVersion() !== $latest \|\| $loadUnstable) {
81			$output->writeln(sprintf("Updating to version <info>%s</info>.", $latest));
82
83			$rfs->copy('raw.github.com', $remoteFilename, $tempFilename);
84
85			if (!file_exists($tempFilename)) {
86			$output->writeln('<error>The download of the new n98-magerun version failed for an unexpected reason');
87
88			return 1;
89			}
90
91			try {
92			\error_reporting(E_ALL); // supress notices
93
94			@chmod($tempFilename, 0777 & ~umask());
			0 ignored issues – show Security Best Practice introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
95			// test the phar validity
96			$phar = new \Phar($tempFilename);
97			// free the variable to unlock the file
98			unset($phar);
99			@rename($tempFilename, $localFilename);
			0 ignored issues – show Security Best Practice introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
100			$output->writeln('<info>Successfully updated n98-magerun2</info>');
101
102			if ($loadUnstable) {
103			$changeLogContent = $rfs->getContents(
104			'raw.github.com',
105			'https://raw.github.com/netz98/n98-magerun2/develop/CHANGELOG.md',
106			false
107			);
108			} else {
109			$changeLogContent = $rfs->getContents(
110			'raw.github.com',
111			'https://raw.github.com/netz98/n98-magerun2/master/CHANGELOG.md',
112			false
113			);
114			}
115
116			if ($changeLogContent) {
117			$output->writeln($changeLogContent);
			0 ignored issues – show Bug introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report It seems like `$changeLogContent` can also be of type `boolean`; however, `Symfony\Component\Consol...putInterface::writeln()` does only seem to accept `string\|array`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
118			}
119
120			if ($loadUnstable) {
121			$unstableFooterMessage = <<<UNSTABLE_FOOTER
122			<comment>
123			!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
124			!! DEVELOPMENT VERSION. DO NOT USE IN PRODUCTION !!
125			!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
126			</comment>
127			UNSTABLE_FOOTER;
128			$output->writeln($unstableFooterMessage);
129			}
130
131			$this->_exit();
132			} catch (\Exception $e) {
133			@unlink($tempFilename);
			0 ignored issues – show Security Best Practice introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
134			if (!$e instanceof \UnexpectedValueException && !$e instanceof \PharException) {
135			throw $e;
136			}
137			$output->writeln('<error>The download is corrupted (' . $e->getMessage() . ').</error>');
138			$output->writeln('<error>Please re-run the self-update command to try again.</error>');
139			}
140			} else {
141			$output->writeln("<info>You are using the latest n98-magerun version.</info>");
142			}
143			}
144
145			/**
146			* Stop execution
147			*
148			* This is a workaround to prevent warning of dispatcher after replacing
149			* the phar file.
150			*
151			* @return void
152			*/
153			protected function _exit()
154			{
155			exit;
			0 ignored issues – show Coding Style Compatibility introduced 2016-01-03 15:34 UTC by Report Bug Copy Issue Report The method `_exit()` contains an exit expression. An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an `exit` expression makes the code untestable and often causes incompatibilities with other libraries. Thus, unless you are absolutely sure it is required here, we recommend to refactor your code to avoid its usage. Loading history...
156			}
157			}
158

ktomk / n98-magerun2

SelfUpdateCommand A last analyzed 2016-05-29 11:20 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

4 Methods

Duplication Side-by-Side

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SelfUpdateCommand A
last analyzed 2016-05-29 11:20 UTC