[PATCH] progress: don't compute estimate without a total

[Augie Fackler]

On Dec 16, 2010, at 1:54 AM, Adrian Buehlmann wrote:
> 
> On 2010-12-16 05:05, Augie Fackler wrote:
>> # HG changeset patch
>> # User Augie Fackler <durin42 at gmail.com>
>> # Date 1292472327 21600
>> # Node ID 3b79ee2fca7d1f00d4fef7164e8d6e88f42c0dfe
>> # Parent  94507fd06ebc1516d4141a411cb27ec7534fa3a9
>> progress: don't compute estimate without a total
>> 
>> Without this, computing an estimate explodes gloriously. Test
>> included.
> 
> A word like 'explode' might be funny for some people in a mailing list
> post or in IRC chat, but IMHO it shouldn't be used in change message
> text, tests or code.
> 
> I assume you mean: 'fails with a traceback'?

I don't understand why you think it so inappropriate, I've seen it used not infrequently in this context. That said, I don't feel strongly so I'll resend.

> 
>> diff --git a/hgext/progress.py b/hgext/progress.py
>> --- a/hgext/progress.py
>> +++ b/hgext/progress.py
>> @@ -183,6 +183,8 @@
>>         return min(int(self.ui.config('progress', 'width', default=tw)), tw)
>> 
>>     def estimate(self, topic, pos, total, now):
>> +        if total is None:
>> +            return ''
>>         initialpos = self.startvals[topic]
>>         target = total - initialpos
>>         delta = pos - initialpos
>> diff --git a/tests/test-progress.t b/tests/test-progress.t
>> --- a/tests/test-progress.t
>> +++ b/tests/test-progress.t
>> @@ -141,3 +141,9 @@
>>   loop [==============================>           ] 3/4 2h47m
>>                                                               \r (esc)
>> 
>> +Time estimates should not explode when there's no end point:
> 
> ditto
> 
>> +  $ hg -y loop -- -4 2>&1 | python $TESTDIR/filtercr.py
>> +  
>> +  loop [ <=>                                              ] 2
>> +  loop [  <=>                                             ] 3
>> +                                                              \r (esc)