Re: [PATCH] tag: add -i and --introduced modifier for --contains

[Andreas Schwab <schwab@suse.de>]

Junio C Hamano <gitster@pobox.com> writes:

> I also think this illustrates my earlier point. Depending on the
> project and the expectation of the users, which tags are good
> candidates as anchor points differ.  Your example using --match
> probably shows a good direction to go in---somehow tell Git which
> tags to base the description on, to reject names that the users do
> not want.

I've used --match only to force git describe to find a better match.

> When your project does not mind basing the description on rc tags,
> between v3.4-rc1~192^2~9^2 and v3.5-rc1~120^3~76^2, I am not sure if
> we would want to say that "the former is not so longer than the
> latter, so use that", or what kind of heuristics to employ to reach
> that conclusion.  Date-based selection (i.e. earliest first) is one
> possibility.  Tagname-based selection has the issue of having to
> configure "whose version numbering convention would you use when
> sorting tags, and how you would tell Git that sorting order rule?"

IMHO git should select based on topology: the first tag that isn't
contained in any other tag still containing the commit in question, only
when ambigous it needs to fall back to other criteria.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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