On Mon, Jan 20, 2014 at 12:06 AM, Thomas Rast <t...@thomasrast.ch> wrote:
> Nguyễn Thái Ngọc Duy <pclo...@gmail.com> writes:
>
>> If an entry is "watched", git lets an external program decide if the
>> entry is modified or not. It's more like --assume-unchanged, but
>> designed to be controlled by machine.
>>
>> We are running out of on-disk ce_flags, so instead of extending
>> on-disk entry format again, "watched" flags are in-core only and
>> stored as extension instead.
>
> I wonder if this would be a good use-case for EWAH bitmaps? Presumably
> most users would end up having only a few large ranges of files that are
> being watched. Quite possibly most users would watch *all* files.
Oh yeah. I edited my commit message locally to this a while ago
On webkit.git with
182k entries, that's 364k more to be SHA-1'd on current index
versions, compared to 22k in this format (and even less when
jk/pack-bitmap ewah graduates and we can use ewah compression)
--
Duy
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