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PhutilConsoleSyntaxHighlighter.php
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			<?php

			/**
			* Simple syntax highlighter for console output. We just try to highlight the
			* commands so it's easier to follow transcripts.
			*/
			final class PhutilConsoleSyntaxHighlighter extends Phobject {

			private $config = array();

			public function setConfig($key, $value) {
			$this->config[$key] = $value;
			return $this;
			}

			public function getHighlightFuture($source) {
			$in_command = false;
			$lines = explode("\n", $source);
			foreach ($lines as $key => $line) {
			$matches = null;

			// Parse commands like this:
			//
			// some/path/ $ ./bin/example # Do things
			//
			// ...into path, command, and comment components.

			$pattern =
			'@'.
			($in_command ? '()(.?)' : '^(\S+[\\\\/] )?([$] .?)').
			'(#.*\|\\\\)?$@';

			if (preg_match($pattern, $line, $matches)) {
			$lines[$key] = hsprintf(
			'%s<span class="gp">%s</span>%s',
			$matches[1],
			$matches[2],
			(!empty($matches[3])
			? hsprintf('<span class="k">%s</span>', $matches[3])
			: ''));
			$in_command = (idx($matches, 3) == '\\');
			} else {
			$lines[$key] = hsprintf('<span class="go">%s</span>', $line);
			}
			}
			$lines = phutil_implode_html("\n", $lines);

			return new ImmediateFuture($lines);
			}

			}