Re: gitweb: kernel versions in the history (feature request, probably)

["Kay Sievers" <kay.sievers@vrfy.org>]

On Nov 21, 2007 8:52 AM, Jarek Poplawski <jarkao2@o2.pl> wrote:
> On Tue, Nov 20, 2007 at 10:20:09PM -0500, J. Bruce Fields wrote:
> > On Wed, Nov 21, 2007 at 12:30:23AM +0100, Jarek Poplawski wrote:
> > > I don't know git, but it seems, at least if done for web only, this
> > > shouldn't be so 'heavy'. It could be a 'simple' translation of commit
> > > date by querying a small database with kernel versions & dates.
> >
> > If I create a commit in my linux working repo today, but Linus doesn't
> > merge it into his repository until after he releases 2.6.24, then my
> > commit will be created with an earlier date than 2.6.24, even though it
> > isn't included until 2.6.25.
> >
> > So you have to actually examine the history graph to figure this out
> > this sort of thing.
>
> Of course, you are right, and I probably miss something, but to be
> sure we think about the same thing let's look at some example: so, I
> open a page with current Linus' tree, go to something titled:
> /pub/scm / linux/kernel/git/torvalds/linux-2.6.git / history
>
> and see:
> 2007-10-10 Stephen Hemminger [NET]: Make NAPI polling independent ...
> and just below something with 2007-08-14 date.
>
> Accidentally, I can remember this patch introduced many changes, and
> this big interval in dates suggests some waiting. Then I look at the
> commit, and there are 2 dates visible, so the patch really was created
> earlier. Then I go back to:
> /pub/scm / linux/kernel/git/torvalds/linux-2.6.git / summary
>
> and at the bottom I can see this:
>
> ...
> tags
> 4 days ago      v2.6.24-rc3     Linux 2.6.24-rc3
> 2 weeks ago     v2.6.24-rc2     Linux 2.6.24-rc2
> 4 weeks ago     v2.6.24-rc1     Linux 2.6.24-rc1
> 6 weeks ago     v2.6.23         Linux 2.6.23
>
> which drives me crazy, because, without looking at the calendar, and
> calculator, I don't really know which month was 6 weeks ago, and 4
> days ago, either!
>
> So, I go to the: http://www.eu.kernel.org/pub/linux/kernel/v2.6/,
> do some scrolling, look at this:
> ChangeLog-2.6.23             09-Oct-2007 20:38  3.8M
>
> and only now I can guess, this napi patch didn't manage to 2.6.23.
> Of course, usually I've to do a few more clicks and reading to make
> sure where it really started.
>
> So, this could suggest this 2007-10-10 (probably stored with time
> too), could be useful here... but it seems, I'm wrong.
>
> Of course, this problem doesn't look so hard if we forget about
> git internals: I can imagine keeping a simple database, which
> could simply retrieve commit numbers from these ChangeLogs, and
> connecting this with gitweb's commit page as well... For
> performance reasons, doing it only for stable and testing, so with
> -rc 'precision' would be very helpful too.

The "plain" view of the patch has the "version" included:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=bea3348eef27e6044b6161fd04c3152215f96411

  From: Stephen Hemminger <shemminger@linux-foundation.org>
  Date: Wed, 3 Oct 2007 23:41:36 +0000 (-0700)
  Subject: [NET]: Make NAPI polling independent of struct net_device objects.
  X-Git-Tag: v2.6.24-rc1~1454^2~841

Is that what you are looking for?

Kay