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Date: Mon, 23 Feb 2015 14:04:52 -0500
From: Len Giambrone <Leonard DOT Giambrone AT intersystems DOT com>
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To: <cygwin AT cygwin DOT com>
Subject: Re: bug in csih?
References: <54E7C402 DOT 80306 AT intersystems DOT com> <20150223120522 DOT GI437 AT calimero DOT vinschen DOT de> <20150223144715 DOT GS437 AT calimero DOT vinschen DOT de> <54EB5208 DOT 8050009 AT intersystems DOT com> <54EB59E5 DOT 7050304 AT intersystems DOT com> <20150223173428 DOT GA26549 AT calimero DOT vinschen DOT de> <54EB698A DOT 7080700 AT intersystems DOT com> <54EB7372 DOT 1010104 AT intersystems DOT com>
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Perhaps you want:

grep -Eq "^{file}:" /etc/nsswitch.conf && { grep -Eq 
"^${file}:[^#]*\<db\>" /etc/nsswitch.conf || use_file=0 }

Or even more simply (since the first clause is really subsumed by the 
second):

grep -Eq "^${file}:[^#]*\<db\>" /etc/nsswitch.conf || use_file=0



On 02/23/2015 01:37 PM, Len Giambrone wrote:
> My bad, csih_old_cygwin works as documented.
> But there is a bug in csih_use_file_etc:
>
> $ cat /etc/nsswitch.conf
> # /etc/nsswitch.conf
> #
> #    This file is read once by the first process in a Cygwin process 
> tree.
> #    To pick up changes, restart all Cygwin processes.  For a description
> #    see 
> https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch
> #
> # Defaults:
> # passwd:   files db
> # group:    files db
> # db_home:  cygwin desc
> # db_shell: cygwin desc
> # db_gecos: cygwin desc
>
> This is not working correctly:
>
>   if [ ${use_file} -ne 0 -a -f /etc/nsswitch.conf ]
>   then
>     grep -Eq "^${file}:" /etc/nsswitch.conf &&
>       grep -Eq "^${file}:[^#]*\<db\>" /etc/nsswitch.conf ||
>        use_file=0
>   fi
>
> $ grep -Eq "^${file}:" /etc/nsswitch.conf && grep -Eq 
> "^${file}:[^#]*\<db\>" /etc/nsswitch.conf || echo foo
> foo
>
> I don't think that's what you want.  Both of the greps are false 
> (returning 1) and use_file is being set to 0.
>
>
>
> On 02/23/2015 12:55 PM, Len Giambrone wrote:
>> If that is the case, then there is a bug in csih_old_cygwin:
>>
>> build AT wx64lg /usr/share/csih
>> $ uname -a
>> CYGWIN_NT-6.1 wx64lg 1.7.34(0.285/5/3) 2015-02-04 12:14 x86_64 Cygwin
>>
>> build AT wx64lg /usr/share/csih
>> $ less cygwin-service-installation-helper.sh
>>
>> build AT wx64lg /usr/share/csih
>> $ . cygwin-service-installation-helper.sh
>>
>> build AT wx64lg /usr/share/csih
>> $ csih_old_cygwin
>>
>> build AT wx64lg /usr/share/csih
>> $ echo $?
>> 1
>>
>> My nsswitch.conf is the default:
>>
>> $ cat /etc/nsswitch.conf
>> # /etc/nsswitch.conf
>> #
>> #    This file is read once by the first process in a Cygwin process 
>> tree.
>> #    To pick up changes, restart all Cygwin processes.  For a 
>> description
>> #    see 
>> https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch
>> #
>> # Defaults:
>> # passwd:   files db
>> # group:    files db
>> # db_home:  cygwin desc
>> # db_shell: cygwin desc
>> # db_gecos: cygwin desc
>>
>>
>> On 02/23/2015 12:34 PM, Corinna Vinschen wrote:
>>> On Feb 23 11:48, Len Giambrone wrote:
>>>> csih_use_file_etc returns 0 on my system (as it should with no 
>>>> passwd file,
>>>> right?)
>>> Uhm, no.  It should return 0 if you *use* the files (0 == true in the
>>> shell), That should be only the case if you're running Cygwin 1.7.33
>>> or if your nsswitch.conf file says so.  What's the content of your
>>> /etc/nsswitch.conf?
>>>
>>>
>>> Corinna
>>>
>>
>

-- 
-Len

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