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Date:      Wed, 18 Dec 2013 11:47:23 -0600
From:      Graham Allan <allan@physics.umn.edu>
To:        freebsd-questions@freebsd.org
Subject:   Re: System Wide Bash Login Script
Message-ID:  <52B1DFAB.8030300@physics.umn.edu>
In-Reply-To: <BLU0-SMTP372E34C3B74A12DF26B7EC7B3DA0@phx.gbl>
References:  <BLU0-SMTP311BA69BBE6C3820F674C80B3DB0@phx.gbl> <A2F77DDA-BD32-4CBF-BA56-9DF2BF43DEE8@gmail.com> <BLU0-SMTP372E34C3B74A12DF26B7EC7B3DA0@phx.gbl>

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On 12/18/2013 11:26 AM, Drew Tomlinson wrote:
> On 12/17/2013 3:56 PM, Matthew Pherigo wrote:
>> Hi Drew!
>>
>> Believe it or not, systemwide bashrc sourcing isn't actually built-in
>> to bash by default (though in my opinion, it should be). This behavior
>> of global config sourcing actually comes from default /etc/profile
>> files that come with Linux distros. Since FreeBSD uses csh/tcsh by
>> default, of course, it comes with no such thing. However, it's fairly
>> easy to add. The following snippet of code goes into your /etc/profile:
>>
>> if [ "$PS1" ]; then
>>    if [ "$BASH" ] && [ "$BASH" != "/bin/sh" ]; then
>>      if [ -f /usr/local/etc/bash.bashrc ]; then
>>      fi
>>    fi
>> fi
>>
>> If the shell is interactive, is a bash shell, and the file
>> /usr/local/etc/bash.bashrc exists, it sources it.
>>
>> This is the snippet of code I use; I think it was originally from Debian.
>> --Matt
>
> Hi Matt,
>
> Thanks for your reply.  The snippet of code you provided does work.
> However, I remain confused.
>
> I have a box I built a couple of years ago which is currently at 9.1.  I
> don't recall how I got bash login scripts working on that one but it
> appears that I put my commands in /usr/local/etc/bashrc. The
> /etc/profile on that box is the default where everything is commented
> out.  So no code is needed on that box to get the commands in
> /usr/local/etc/bashrc to run when logging in.
>
> I'm just trying to understand why the /etc/profile trick is required on
> this new box I built but not the old?

There's a compile-time option in config-top.h ("#define SYS_BASHRC 
..."), which nobody seems to use.

Back when we used to build our own bash from tarballs for long-gone 
proprietary unix systems, I always used to set these options. It was a 
huge PITA that the prebuilt packages on linux don't have this set and 
for a while we built our own custom version with the feature re-enabled 
but eventually it began to feel too much like swimming upstream. I guess 
we gave up this issue on FreeBSD as well! I still don't understand why 
bash people don't see the value in this feature - having to insert that 
snippet into everybody's personal bashrc is just stupid IMO...

Graham
-- 
-------------------------------------------------------------------------
Graham Allan - allan@physics.umn.edu - (612) 624-5040
School of Physics and Astronomy - University of Minnesota
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