From: Junio C Hamano Date: Sun, 29 Jul 2012 21:59:26 GMT Subject: Re: [PATCH] Enable parallelism in git submodule update. Message-ID: <7vfw8aut35.fsf@alter.siamese.dyndns.org> In-Reply-To: <20120728105159.GB13370@book.hvoigt.net> Heiko Voigt writes: > On Fri, Jul 27, 2012 at 04:25:58PM -0700, Junio C Hamano wrote: > ... >> Of course, any set of rules have exceptions ;-) There are a few >> things to which we say "Even though it is not in POSIX, everybody >> who matters supports it, and without taking advantage of it, what we >> want to achieve will become too cumbersome to express". > > I was about to write that since this is limited to a given --jobs > options the majority platforms should be enough as a start and others > could add a parallelism mechanism later. Its only a matter of efficiency > and not features. As long as "git submodule --jobs 9" on a platform without GNU enhanced xargs does not error out and gracefully degrade to non parallel execution, I do not have any problem with it. As posted, the patch has not yet achieved that doneness yet.