Disable XDebug when running composer in Git Bash for Windows - add this to ~/.bashrc

.bashrc

function composer()
{
	COMPOSER="$(which composer)"
	sed -i -e 's/zend_extension=C:\\php5.6\\ext\\php_xdebug-2.3.2-5.6-vc11-nts.dll/;zend_extension=C:\\php5.6\\ext\\php_xdebug-2.3.2-5.6-vc11-nts.dll/g' /c/php5.6/php.ini
	$COMPOSER "$@"
	sed -i -e 's/;zend_extension=C:\\php5.6\\ext\\php_xdebug-2.3.2-5.6-vc11-nts.dll/zend_extension=C:\\php5.6\\ext\\php_xdebug-2.3.2-5.6-vc11-nts.dll/g' /c/php5.6/php.ini
}