kconner

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

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chelmertz

#!/usr/bin/php
<?php

// copied from http://phpadvent.org/2008/dont-commit-that-error-by-travis-swicegood
// authored by Travis Swicegood
$output = array();
$return = 0;
exec('git rev-parse --verify HEAD 2> /dev/null', $output, $return);
$against = $return == 0 ? 'HEAD' : '4b825dc642cb6eb9a060e54bf8d69288fbee4904';