postinstall/profile.sh: pls consider testing for preexisting symbolic link

[nicebounce@trodman.com]

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how about:

  if [ ! -f "/etc/profile" -a ! -L "/etc/profile"]; then
    cp -a /etc/profile.default /etc/profile
  fi

Rightly or wrongly I setup /etc/profile as a symblic link to
a network drive version of profile, so that several hosts
share the same file.  The postinstall/profile.sh leaves the
link but then copies in the default profile, so I have to manually
delete it.

So, in general should there be a check for a symbolic link also
as shown above.

Just a thought.

thanks,

Tom