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151 lines
3.5 KiB
PHP
151 lines
3.5 KiB
PHP
#!/usr/bin/env php
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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process($argv);
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/**
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* processes the installer
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*/
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function process($argv)
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{
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$check = in_array('--check', $argv);
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$help = in_array('--help', $argv);
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$force = in_array('--force', $argv);
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if ($help) {
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displayHelp();
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exit(0);
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}
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$ok = checkPlatform();
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if ($check && !$ok) {
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exit(1);
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}
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if ($ok || $force) {
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installComposer();
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}
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exit(0);
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}
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/**
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* displays the help
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*/
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function displayHelp()
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{
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echo <<<EOF
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Composer Installer
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------------------
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Options
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--help this help
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--check for checking environment only
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--force forces the installation
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EOF;
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}
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/**
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* check the platform for possible issues on running composer
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*/
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function checkPlatform()
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{
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$errors = array();
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if (false !== ini_get('detect_unicode')) {
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$errors['unicode'] = 'On';
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}
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if (ini_get('phar.readonly')) {
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$errors['readonly'] = 'On';
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}
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if (ini_get('phar.require_hash')) {
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$errors['require_hash'] = 'On';
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}
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if ($suhosin = ini_get('suhosin.executor.include.whitelist') && (isset($suhosin) && false === stripos($suhosin, 'phar'))) {
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$errors['suhosin'] = $suhosin;
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}
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if (PHP_VERSION < '5.3.2') {
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$errors['php'] = PHP_VERSION;
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}
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if (!empty($errors)) {
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out("Composer detected that you have enabled some settings in your `php.ini` file that can make Composer unable to work properly.".PHP_EOL, 'error');
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echo PHP_EOL.'Make sure that you have changed options listed below:'.PHP_EOL;
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foreach ($errors as $error => $actual) {
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switch ($error) {
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case 'unicode':
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$text = " detect_unicode = Off (actual: {$actual})".PHP_EOL;
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break;
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case 'readonly':
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$text = " phar.readonly = Off (actual: {$actual})".PHP_EOL;
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break;
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case 'require_hash':
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$text = " phar.require_hash = Off (actual: {$actual})".PHP_EOL;
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break;
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case 'suhosin':
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$text = " suhosin.executor.include.whitelist = phar (actual: {$actual})".PHP_EOL;
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break;
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case 'php':
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$text = " PHP_VERSION (actual: {$actual})".PHP_EOL;
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break;
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}
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out($text, 'info');
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}
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echo PHP_EOL;
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return false;
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}
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out("All settings correct for using Composer".PHP_EOL,'success');
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return true;
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}
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/**
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* installs composer to the current working directory
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*/
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function installComposer()
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{
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$installDir = getcwd();
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$file = $installDir . DIRECTORY_SEPARATOR . 'composer.phar';
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if (is_readable($file)) {
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@unlink($file);
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}
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$download = copy('http://getcomposer.org/composer.phar', $installDir.DIRECTORY_SEPARATOR.'composer.phar');
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out(PHP_EOL."Composer successfully installed to: " . $file, 'success');
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out(PHP_EOL."Use it: php composer.phar".PHP_EOL, 'info');
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}
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/**
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* colorize output
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*/
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function out($text, $color = null)
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{
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$styles = array(
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'success' => "\033[0;32m%s\033[0m",
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'error' => "\033[31;31m%s\033[0m",
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'info' => "\033[33;33m%s\033[0m"
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);
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echo sprintf(isset($styles[$color]) ? $styles[$color] : "%s", $text);
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} |