10m challenge.. add to mu-plugins to show latest commits and branches in admin bar

functions.php

<?php
add_action( 'admin_bar_menu', function() {
	global $wp_admin_bar;

	$menu_id = 'bb-git';
	$wp_admin_bar->add_menu( array(
		'id'    => $menu_id,
		'title' => __( 'BB - Git Helper' ),
	) );

	$paths = array(
		'bb-plugin' => FL_BUILDER_DIR . '.git',
	);
	if ( defined( 'FL_THEME_DIR' ) ) {
		$paths['bb-theme'] = FL_THEME_DIR . '/.git';
	}
	if ( defined( 'FL_THEME_BUILDER_DIR' ) ) {
		$paths['bb-theme-builder'] = FL_THEME_BUILDER_DIR . '.git';
	}
	foreach ( $paths as $name => $path ) {

		if ( is_dir( $path ) ) {
			$gitbasepath = $path;

			$gitstr        = file_get_contents( $gitbasepath . '/head' );
			$gitbranchname = rtrim( preg_replace( '/(.*?\/){2}/', '', $gitstr ) );
			$gitpathbranch = $gitbasepath . '/refs/heads/' . $gitbranchname;
			$githash       = file_get_contents( $gitpathbranch );
			$gitdate       = gmdate( DATE_ATOM, filemtime( $gitpathbranch ) );

			$logs = file( $gitbasepath . '/logs/head' );
			$log  = array_pop( $logs );
			preg_match( '/commit:\s(.*)/', $log, $message );

			if ( 'bb-plugin' !== $name ) {
				$wp_admin_bar->add_menu( array(
					'parent' => $menu_id,
					'title'  => '----------------------------------',
					'id'     => 'spacer' . $name,
				) );
			}

			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'title'  => $name,
				'id'     => 'name' . $name,
			) );

			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'title'  => 'date: ' . gmdate( 'F j, Y, g:i a', strtotime( $gitdate ) ),
				'id'     => 'date' . $name,
			) );
			$wp_admin_bar->add_menu( array(
				'parent' => $menu_id,
				'title'  => 'branch: ' . $gitbranchname,
				'id'     => 'branch' . $name,
			) );
			if ( isset( $message[1] ) ) {
				$wp_admin_bar->add_menu( array(
					'parent' => $menu_id,
					'title'  => $message[1],
					'id'     => 'commit' . $name,
				) );
			}
		}
	}
}, 2000 );