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Date: Thu, 23 Feb 2017 20:57:31 -0800 (PST)
From: Steven Penny <svnpenn AT gmail DOT com>
Subject: Re: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
To: cygwin AT cygwin DOT com
References: <58AFA559 DOT 6010404 AT cygwin DOT com>
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On Thu, 23 Feb 2017 22:15:37, "Larry Hall (Cygwin)" wrote:
> Since making a change of this magnitude is going to be an undertaking, we
> should be sure we're going to see the intended benefits before enduring the
> pain such a change would bring, though hopefully that pain would be
> short-lived and/or minor. :-)

I am open to others debunking my previous test with other/better tests, but from
where I sit the benefit can be clearly seen. Not just with script times, but
startup time will see a 2-3 fold increase as well. This can be hugely helpful
with situations like using Autotools (configure), where "sh" is spawned hundreds
of times.

I have done heavy testing "living" with Dash. Between my repos I have over 80
Dash scripts, with usage going back to 2015:

http://github.com/svnpenn/a/commit/b4908b7

I think Eric said it well:

On Thu, 23 Feb 2017 14:41:52, Eric Blake wrote:
> Or more likely, many people likely have pre-existing scripts wrongly
> written as #!/bin/sh but which use bash-ism rather than portable
> POSIX-specified shell

However, I think it is worth the trouble.


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