helpers.php

<?php
namespace WP_Deploy_Command;

class Helpers {

    static function get_rsync( $source, $dest, $port, $delete = true, $compress = true, $user_excludes = false ) {

        $exclude = array(
            '.git',
            '.gitignore',
            '.gitkeep',
            '.gitmodules',
            '.DS_Store',
            'thumbs.db',
            '.sass-cache',
            'gulpfile.js',
            'package.json',
            'bower.json',
            'debug.log',
            'node_modules',
            '.htaccess-dist',
            'gulp',
            'scss',
            '*.log',
            'npm-debug.log'
        );


        $user_excludes = $user_excludes ? explode( ':', (string) $user_excludes ) : array();

        $exclude = array_merge( $exclude, $user_excludes );

        $rsync = self::unplaceholdit(
            /** The command template. */
            'rsync -av%%compress%% -progress -e "ssh -p %%port%%"%%delete%% %%src%% %%dest%% %%exclude%%',
            /** The arguments. */
            array(
                'compress' => ( $compress ? 'z' : '' ),
                'delete' => ( $delete ? ' --delete' : '' ),
                'src' => $source,
                'port' => $port,
                'dest' => $dest,
                'exclude' => '--exclude ' . implode(
                    ' --exclude ',
                    array_map( 'escapeshellarg', $exclude )
                )
            )
        );

        return $rsync;
    }

    static function unplaceholdit( $template, $content, $object_key = 'object' ) {

        /** Early bailout? */
        if ( strpos( $template, '%%' ) === false )
            return $template;

        /** First, get a list of all placeholders. */
        $matches = $replaces = array();
        preg_match_all( '/%%([^%]+)%%/u', $template, $matches, PREG_SET_ORDER );

        $searches = wp_list_pluck( $matches, 0 );

        /* Cast the object */
        $object = array_key_exists( $object_key, $content ) ? (array) $content[$object_key] : false;

        foreach ( $matches as $match ) {
            /**
             * 0 => %%template_tag%%
             * 1 => variable_name
             */
            if( $object && isset( $object[$match[1]] ) )
                array_push( $replaces, $object[$match[1]] );
            else if( isset( $content[$match[1]] ) )
                array_push( $replaces, $content[$match[1]] );
            else
                array_push( $replaces, $match[0] );
        }

        # Used for excludes
        if ( is_array($replaces[0]) ) {
            $replaces = implode(":", $replaces[0]);
        }

        return str_replace( $searches, $replaces, $template );
    }

    static function trim_url( $url, $path = false ) {

        /** In case scheme relative URI is passed, e.g., //www.google.com/ */
        $url = trim( $url, '/' );

        /** If scheme not included, prepend it */
        if ( ! preg_match( '#^http(s)?://#', $url ) ) {
            $url = 'http://' . $url;
        }

        /** Remove www. */
        $url_parts = parse_url( $url );
        $domain = preg_replace( '/^www\./', '', $url_parts['host'] ) . ( ! empty( $url_parts['port'] ) ? ':' . $url_parts['port'] : '' );

        /** Add directory path if needed **/
        if ( $path && isset($url_parts['path']) )
            $domain .= $url_parts['path'];

        return $domain;
    }

    /** Returns and unique hash to identify the environment. */
    static function get_hash() {
        $siteurl = self::trim_url( get_option( 'siteurl' ) );
        return substr( sha1( DB_NAME . $siteurl ), 0, 8 );
    }

    static function array_map_recursive($callback, $array)
    {
        $func = function ($item) use (&$func, &$callback) {
            return is_array($item) ? array_map($func, $item) : call_user_func($callback, $item);
        };

        return array_map($func, $array);
    }

    /**
     * Create a bar that spans with width of the console
     *
     * ## OPTIONS
     *
     * [<character>]
     * : The character(s) to make the bar with. Default =
     *
     * [--c=<c>]
     * : Color for bar. Default %p
     *
     *
     * ## EXAMPLES
     *
     *     wp <command> bar
     *
     *     wp <command> bar '-~' --c='%r'
     *
     *     wp <command> bar '+-' --c='%r%3'
     */
    function bar( $args = array(), $assoc_args = array() ) {
        $char = isset( $args[0] ) ? $args[0] : '=';
        $cols = \cli\Shell::columns();
        $line = substr( str_repeat($char, $cols), 0, $cols );

        if ( ! isset( $assoc_args['c'] ) ) {
            $color = '%p'; // https://github.com/jlogsdon/php-cli-tools/blob/master/lib/cli/Colors.php#L113
        } else {
            $color = $assoc_args['c'];
            $color = '%'. trim( $color, '%' );
        }

        WP_CLI::line( WP_CLI::colorize( $color . $line .'%n' ) );
    }
}