splitter.php

<?php
/**
 * Split each core plugin and theme into separate repos and push the to GitHub. For
 * example, the "CMS" plugin is mapped to "git@github.com:quickapps-plugins/cms.git"
 *
 * ### Usage:
 *
 * ```
 * php splitter.php --main-branch="2.0" --plugins="Block,Bootstrap"
 * ```
 *
 * - If no main branch name is provided "2.0" will be used by default.
 * - If no plugin names are given (or wildcard * is provided), all of
 *   them will be splitted.
 */

if (!function_exists('readline')) {
    function readline($prompt = null){
        if ($prompt){
            echo $prompt;
        }

        $fp = fopen('php://stdin', 'r');
        $line = rtrim(fgets($fp, 1024));
        return $line;
    }
}

/**
 * Main branch name.
 *
 * @var string
 */
$options = getopt('', ['main-branch::', 'plugins::']);
if (empty($options['main-branch'])) {
    die("No main branch name given, you must provide one using the '--main-branch' option. For example: --main-branch=\"2.0\".\n");
}
$mainBranch = $options['main-branch'];

/**
 * List of core plugins located in the "plugins" directory.
 *
 * @var array
 */
$validPlugins = [
    'Block',
    'Bootstrap',
    'Captcha',
    'CMS',
    'Comment',
    'Content',
    'Eav',
    'Field',
    'Installer',
    'Jquery',
    'Locale',
    'MediaManager',
    'Menu',
    'Search',
    'System',
    'Taxonomy',
    'User',
    'Wysiwyg',
    'BackendTheme',
    'FrontendTheme',
];

/**
 * List of selected plugins to be splitted.
 *
 * @var array
 */
$selectedPlugins = [];

/**
 * Plugin picker interface.
 */
if (empty($options['plugins'])) {
    $line = 'dummy';
    while ($line != '') {
        echo " [*] All plugins\n";
        foreach ($validPlugins as $i => $p) {
            $index = in_array($p, $selectedPlugins) ? 'x' : $i + 1;
            echo sprintf(" [%s] %s\n", $index, $p);
        }

        echo "\n";
        $line = readline("Which plugins would you like to split?\n(press intro to stop selecting, or select again to uncheck a plugin): ");

        if ($line == '*') {
            $selectedPlugins = $validPlugins;
        } elseif (isset($validPlugins[$line - 1])) {
            if (($key = array_search($validPlugins[$line - 1], $selectedPlugins)) !== false) {
                unset($selectedPlugins[$key]);
                echo sprintf('Plugin "%s" has been UNSELECTED', $validPlugins[$line - 1]) . "\n";
            } else {
                $selectedPlugins[] = $validPlugins[$line - 1];
                echo sprintf('Plugin "%s" has been selected', $validPlugins[$line - 1]) . "\n";
            }
        } else {
            echo "Invalid option, try again\n";
        }

        echo "\n";
    }
} else {
    $selectedPlugins = $options['plugins'] === '*' ? $validPlugins : array_intersect($validPlugins, explode(',', $options['plugins']));
}

if (empty($selectedPlugins)) {
    die("ERROR: You must indicate one valid plugin at least.\n");
}

/**
 * Null device, based on OS.
 *
 * @var string
 */
$null = DIRECTORY_SEPARATOR === '/' ? '/dev/null' : 'NUL';

/**
 * Creates a new branch for every plugin and theme, and push to corresponding GitHub
 * repository. Such branches are removed after pushed.
 */
foreach ($selectedPlugins as $index => $plugin) {
    $title = sprintf('Processing: %s [%d/%d]', $plugin, ($index + 1), count($selectedPlugins));
    $pluginDirectory = dirname(__FILE__) . "/plugins/{$plugin}";
    $jsonPath = "{$pluginDirectory}/composer.json";

    echo "{$title}\n";
    echo str_repeat('-', strlen($title)) . "\n\n";

    if (!is_readable($jsonPath)) {
        echo sprintf('ERROR: Missing file: "%s"', $jsonPath);
        echo "\n\n";
        continue;
    }

    $composer = json_decode(file_get_contents($jsonPath), true);
    if (!isset($composer['name']) || strpos($composer['name'], '/') === false) {
        echo 'ERROR: Invalid "composer.json" file, missing or invalid "name" key.';
        echo "\n\n";
        continue;
    }

    list($org, $plg) = explode('/', $composer['name']);
    exec("git checkout {$mainBranch} > {$null}");
    exec("git remote add {$plg} git@github.com:{$org}/{$plg}.git -f 2> {$null}");
    exec("git branch -D {$plg} 2> {$null}");
    exec("git checkout -b {$plg}");
    exec("git filter-branch --prune-empty --subdirectory-filter plugins/{$plugin} -f {$plg}");
    exec("git push {$plg} {$plg}:master --force");
    exec("git checkout {$mainBranch} > {$null}");
    exec("git branch -D {$plg}");
    exec("git remote rm {$plg}");

    echo "\n\n";
}