/etc/profile optimization and correctness

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Mon Nov 29 23:47:00 GMT 2010

On Mon, Nov 29, 2010 at 01:23:01PM -0800, Daniel Colascione wrote:
>On 11/29/2010 10:39 AM, Ken Brown wrote:
>>On 11/29/2010 8:22 AM, Daniel Colascione wrote:
>>>Starting a login shell on my system takes a painfully long time, mostly
>>>because fork() is pretty slow on WOW6432 systems.  I've taken a look at
>>>the shell initialization routines and identified some potential
>>>- Can't we use USERNAME to set USER instead of running `id -un`?
>>You can't rely on USERNAME.  For example, if I login via ssh using
>>pubkey authentication, USERNAME is set to SYSTEM on my machine.
>Works fine for me.

Nevertheless, making /etc/profile rely on a user-settable environment
variable is still a bad idea.


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