From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-40927-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 18489 invoked by alias); 2 Apr 2017 18:16:15 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
X-Seq: 40927
Received: (qmail 26512 invoked from network); 2 Apr 2017 18:16:15 -0000
X-Qmail-Scanner-Diagnostics: from out1-smtp.messagingengine.com by f.primenet.com.au (envelope-from <d.s@daniel.shahaf.name>, uid 7791) with qmail-scanner-2.11 
 (clamdscan: 0.99.2/21882. spamassassin: 3.4.1.  
 Clear:RC:0(66.111.4.25):SA:0(-0.7/5.0):. 
 Processed in 3.456235 secs); 02 Apr 2017 18:16:15 -0000
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,
	RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,T_DKIM_INVALID autolearn=unavailable
	autolearn_force=no version=3.4.1
X-Envelope-From: d.s@daniel.shahaf.name
X-Qmail-Scanner-Mime-Attachments: |
X-Qmail-Scanner-Zip-Files: |
Received-SPF: none (ns1.primenet.com.au: domain at daniel.shahaf.name does not designate permitted sender hosts)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=
	daniel.shahaf.name; h=content-type:date:from:in-reply-to
	:message-id:mime-version:references:subject:to:x-me-sender
	:x-me-sender:x-sasl-enc:x-sasl-enc; s=fm1; bh=aaFJpzpwrqjof54m6Y
	wY5Ln1MudrAG1Pk+yoBjBPnA8=; b=fDl3SRoSAJJhJei6PZFVt2j596BS2Y8gvZ
	0KkbqpZVxsVLUBvycHsqpy6rokh0zlVtE59Bp7SxeOiasCh7TEbPXAX7PpOpOoNL
	oqJSj9Jwo9az8b3hG3MtibwhsEfyApMUXl2nidqlgpf1Ql9Vi9WgcixdvYW1x3YJ
	fNKvAdnmD2SElMTvVqU0KtJjlPo+mfxxQ8X6rO6kXiV7fWbmFsL1bxh/22yY5AM0
	tQQT+s4V/rGWSqshA7VEM+u8q6+yNzkb/Y1BzTKLzO1995wktb1aMD0HzUSHoons
	y3V/8nuqoRrJ0OwDkicKr0xMWK9sOu/hzhxRMHg+L+AHcEFLs7eA==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=
	messagingengine.com; h=content-type:date:from:in-reply-to
	:message-id:mime-version:references:subject:to:x-me-sender
	:x-me-sender:x-sasl-enc:x-sasl-enc; s=fm1; bh=aaFJpzpwrqjof54m6Y
	wY5Ln1MudrAG1Pk+yoBjBPnA8=; b=qoFLrxsmPrqdtd0WtfEEDUZtiCCR9hpzNz
	u7Gb3s7DQaqcWpKsg30B/8+krdoroZaOYFiTOLrpT9RT9G6R2AkKgmAl+o9SZXWk
	4YurjMMjUFlz2WjUkVyH2qTsPZbiboVdVs/cwBepZ5Wunigwj4lDmR73V9esd04V
	KfOvD0Gk/r8jkOW3H2W1jgpMBbCJ3zwJZTQ3OFEDkiPaAz6cW137r5h6QcQOSo7y
	+ECi/cX2aWnSBYNN1qoxkjZJ4XMQCH7b2F7s+2fwkex1x4E6+0qSf2bl/QzfK7Z8
	mfoKSZD3kqHBnAjxRk8VvRLU2SWZ+49DKpFhWOLindLZ+nZsmrvA==
X-ME-Sender: <xms:Gz3hWEJlL6TOn64C6zOXnDxtTstnt_3I3rUaSKqpWHYCBAfLjWSVLw>
X-Sasl-enc: MSILR0p6GiBLR+ndDosAmqw12Jd3BwmOEhVnje5dA97G 1491156250
Date: Sun, 2 Apr 2017 17:58:51 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-workers@zsh.org
Subject: Re: $* assignment regression in shwordsplit
Message-ID: <20170402175851.GA10565@fujitsu.shahaf.local2>
References: <662d58a2-94fd-657c-e414-452f48ef47fc@inlv.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <662d58a2-94fd-657c-e414-452f48ef47fc@inlv.org>
User-Agent: Mutt/1.5.23 (2014-03-12)

Martijn Dekker wrote on Sun, Apr 02, 2017 at 19:45:14 +0200:
> In the current zsh development version[*], there is a regression with
> assigning "$*" to a variable in shwordsplit mode when IFS is either
> unset or empty. The "$*" is only expanded the first time it occurs.
> 
> $ Src/zsh -f -c 'set -- one two; unset IFS; var=$*/$*; echo $var $*/$*;
> 	setopt shwordsplit; var=$*/$*; echo "$var" "$*/$*"'
> one two/one two one two/one two
> one two/$* one two/one two
> 
> $ Src/zsh -f -c 'set -- one two; IFS=; var=$*/$*; echo $var $*/$*;
> 	setopt shwordsplit; var=$*/$*; echo "$var" "$*/$*"'
> onetwo/onetwo onetwo/onetwo
> onetwo/$* onetwo/onetwo

Both of these bisect to:

commit 74fe4d0950d5db0bba9d8ec182c4a827728cff60
Author: Barton E. Schaefer <schaefer@zsh.org>
Date:   Mon Feb 20 13:22:55 2017 -0800

    40598: paramsubst() should always return scalar when PREFORK_SINGLE was passed

:100644 100644 0d3352a8e807172c7adcde89a7a769c1c704320c 60a5164d638eba63dcef57a7e7bbf7951ada4426 M      ChangeLog
:040000 040000 843e4c1065cbcdb63fb554ab97de69741351f78c e3d9d89d533c0cd63a7aaa0d714e232e024302ca M      Src