Nguyễn Thái Ngọc Duy <> 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.

Thomas Rast
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