[PATCH RFC] revset: use '%' as an operator for 'only'

[Sean Farley]

Matt Mackall writes:

> On Fri, 2014-11-07 at 11:06 -0800, Sean Farley wrote:
>> Sean Farley writes:
>> 
>> > Pierre-Yves David writes:
>> >
>> >> On 11/07/2014 06:15 PM, Sean Farley wrote:
>> >>>
>> >>> Pierre-Yves David writes:
>> >>>
>> >>>> On 11/07/2014 05:40 PM, Sean Farley wrote:
>> >>>>>
>> >>>>> Pierre-Yves David writes:
>> >>>>>
>> >>>>>> On 11/06/2014 10:56 PM, Sean Farley wrote:
>> >>>>>>> # HG changeset patch
>> >>>>>>> # User Sean Farley <sean.michael.farley at gmail.com>
>> >>>>>>> # Date 1415314518 28800
>> >>>>>>> #      Thu Nov 06 14:55:18 2014 -0800
>> >>>>>>> # Node ID 752f70bee3b0542ca36b1fecbb70c954d6017061
>> >>>>>>> # Parent  2d54aa5397cdb1c697673ba10b7618d5ac25c69e
>> >>>>>>> revset: use '%' as an operator for 'only'
>> >>>>>>
>> >>>>>> Could we get an RevsetOperatorPLan page (or extension of an existing
>> >>>>>> page). To list all the current and wished operators?
>> >>>>>
>> >>>>> Sure, go ahead and start one ;-) If you want me to start it, you'll have
>> >>>>> to wait a little while :-/
>> >>>>
>> >>>> To clarify. I do not think we should accept this patch until we have a
>> >>>> full plan defined.
>> >>>>
>> >>>> I'm ok with waiting a little while for more operator.
>> >>>
>> >>> http://mercurial.selenic.com/wiki/RevsetOperatorPlan
>> >>
>> >> Can I trick you into listing all the existing operator, then all the one 
>> >> we consider (like successors, etc). Because actual expendend proposal?
>> >
>> > Sure.
>> 
>> Updated.
>
> So.. % has some special meaning to cmd.exe and Powershell. Much like
> Unix $, it may be replaced in some quoted strings.
>
> As judged by the support requests we get, no living Windows users know
> what "shell quoting" is and/or what the actual rules are, so this is a
> bit of a problem. We need to make sure we're not likely to fall afoul of
> any replacement rules in any vaguely probable scenario.

Oh, Windows. I can test out some of the quoting now that I have a
windows dev box.