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From: Andrew DeFaria <ADeFaria AT Salira DOT com>
Subject: Re: SSH into XP: mapped network drives disappeared!
Date: Thu, 23 Oct 2003 11:39:59 -0700
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In-Reply-To: <20031023080628.GT1653@cygbert.vinschen.de>

Corinna Vinschen wrote:

>You're mixing stuff which doesn't belong to each other.  Cygwin is not at all interested in $HOME or your /etc/passwd home entry.  The evaluation of this values is done by tools in a UNIXy way.  Shells (bash, tcsh,
>whatever) are traditionally only paying attention to $HOME.  Remember how a logon to a UNIX machine works.  First, there's a terminal on which runs a getty, then login(1) is called for the authentication,  login's only available information is /etc/passwd.  After authentication, login sets $HOME to the correct value and starts a shell.  The shell relies on the fact, that $HOME has been set correctly by the logon procedure.
>
>So, there are authenticating/logon tools which use /etc/passwd and there are user tools, which rely on $HOME already been set correctly by the former.  That's just the way it works.
>
>Especially /etc/profile should *not* take the /etc/passwd value for evaluating the home directory.  /etc/profile is used by the shell, in a state when $HOME should already have a value.  If /etc/profile sets $HOME, this would overwrite custom settings from login tools.
>
Hmmm... My /etc/profile.orig (I believe that's where I put the original 
/etc/profile before I modified it) has

# Set up USER's home directory
if [ -z "$HOME" ]; then
  HOME="/home/$USER"
fi

Seems to me it not only can, but does set HOME if it has not been set 
before. If that be the case then why should it guess at using 
"/home/$USER" instead of the home field in /etc/passwd?

I guess I just think that the value of %HOME% should always equal the 
value of home in /etc/passwd thus giving the user one consistent home 
directory.

Granted you're correct that if %HOME% was set and is not the same as 
/etc/passwd's home then perhaps profile should not change the value. 
However to me this seems like a receipe for disaster or at least for 
mass confusion...

YMMV
-- 
Why is the alphabet in that order? Is it because of that song?



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