[PATCH 6 of 6 v6] strip: incrementally update the branchheads cache after a strip

[Bryan O'Sullivan]

On Fri, Jun 15, 2012 at 10:35 AM, Joshua Redstone <joshua.redstone at fb.com>wrote:

>
>> +    newheadbranches = set([repo[rev].branch() for rev in newheadrevs])
>>
>
>  newheadbranches does not need to be a set.
>
>  I think it does. otherwise if there are duplicates then the equality
> check below fails..
>
>
>  +    if len(stripbranches) == 1 and len(newheadbranches) == 1 \
>> +            and stripbranches == newheadbranches:
>>
>
There cannot be duplicates if the collection contains only a single
element.
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