Bug 1398740

Summary:	zsh error "Bad substitution
Product:	Red Hat Enterprise Linux 7	Reporter:	Paulo Andrade <pandrade>
Component:	zsh	Assignee:	Kamil Dudka <kdudka>
Status:	CLOSED ERRATA	QA Contact:	Jan Kepler <jkejda>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	7.2	CC:	isenfeld, jheger, jkejda, kdudka
Target Milestone:	rc	Keywords:	Patch
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	zsh-5.0.2-28.el7	Doc Type:	If docs needed, set a value
Doc Text:	NEEDLESS TO DOCUMENT	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-08-01 20:38:39 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1298243, 1393867

Description Paulo Andrade 2016-11-25 18:00:25 UTC

Simple reproducer (does not need to run in ksh emulation mode):

"""
$ cat toto.sh
#!/usr/bin/ksh

typeset -A person
person[firstname]="frank"
person[lastname]="jones"

echo "person: ${person[firstname]} ${person[lastname]}"
"""

if run:

$ zsh -n toto.sh
toto.sh:7: bad substitution

Bisecting zsh upstream, the problem is corrected in commit
https://sourceforge.net/p/zsh/code/ci/a0862f6381979b165e864e9c5b97d12432d35d48/

Comment 2 Kamil Dudka 2016-11-28 10:51:32 UTC

Thank you for identifying the upstream commit with the fix for this bug!

I can confirm that it resolves the issue and it should be safe to backport.

Comment 8 Jakub Heger 2017-02-21 15:48:31 UTC

Verified.
Reproduced on version: zsh-5.0.2-25.el7.x86_64
Verified on version: zsh-5.0.2-28.el7

Old output: ./repr.sh:7: bad substitution
New output: <empty>

TCMS case run:
https://tcms.engineering.redhat.com/run/304641/#caserun_15218383

Comment 10 errata-xmlrpc 2017-08-01 20:38:39 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:1955