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From: Jeff King <>
To: Jeff Hostetler <>
Cc: Ben Peart <>,,,
	Jeff Hostetler <>
Subject: Re: [PATCH v4 0/4] Add --no-ahead-behind to status
Date: Tue, 9 Jan 2018 02:20:44 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Mon, Jan 08, 2018 at 03:04:20PM -0500, Jeff Hostetler wrote:

> > I was thinking about something similar to the logic we use today
> > about whether to start reporting progress on other long commands.
> > That would mean you could still get the ahead/behind values if you
> > aren't that far behind but would only get "different" if that
> > calculation gets too expensive (which implies the actual value isn't
> > going to be all that helpful anyway).
> After a off-line conversation with the others I'm going to look into
> a version that is limited to n commits rather than be completely on or
> off.  I think if you are for example less than 100 a/b then those numbers
> have value; if you are past n, then they have much less value.
> I'd rather do it by a fixed limit than by time to ensure that output
> is predictable on graph shape and not on system load.

I like this direction a lot. I had hoped we could say "100+ commits
ahead", but I don't think we can do so accurately without generation
numbers. E.g., the case I mentioned at the bottom of this mail:

I haven't thought too hard on it, but I suspect with generation numbers
you could bound it and at least say "100+ ahead" or "100+ behind". But I
don't think you can approximate both ahead and behind together without
finding the actual merge base.

But even still, finding small answers quickly and accurately and punting
to "really far, I didn't bother to compute it" on the big ones would be
an improvement over always punting.


  reply	other threads:[~2018-01-09  7:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-08 15:48 Jeff Hostetler
2018-01-08 15:48 ` [PATCH v4 1/4] stat_tracking_info: return +1 when branches not equal Jeff Hostetler
2018-01-08 15:48 ` [PATCH v4 2/4] status: add --[no-]ahead-behind to status and commit for V2 format Jeff Hostetler
2018-01-08 15:48 ` [PATCH v4 3/4] status: update short status to respect --no-ahead-behind Jeff Hostetler
2018-01-08 15:48 ` [PATCH v4 4/4] status: support --no-ahead-behind in long format Jeff Hostetler
2018-01-08 19:49 ` [PATCH v4 0/4] Add --no-ahead-behind to status Ben Peart
2018-01-08 20:04   ` Jeff Hostetler
2018-01-09  7:20     ` Jeff King [this message]
2018-01-09 13:15       ` Johannes Schindelin
2018-01-09 14:29         ` Derrick Stolee
2018-01-09 14:56           ` Jeff Hostetler
2018-01-09 16:48           ` Johannes Schindelin
2018-01-10  7:47           ` Jeff King
2018-01-10 20:22             ` Junio C Hamano
2018-01-11  9:39               ` Jeff King
2018-01-10  7:41         ` Jeff King

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