On Wed, Feb 19, 2014 at 9:09 PM, Jeff King <p...@peff.net> wrote:
> On Wed, Feb 19, 2014 at 08:39:27PM +0700, Nguyễn Thái Ngọc Duy wrote:
>> --sort=version sorts tags as versions. GNU extension's strverscmp is
>> used and no real compat implementation is provided so this is Linux only.
> Sounds like a good goal.
> I wonder, if we were to merge the for-each-ref and tag
> implementations, how this would integrate with for-each-ref's
> sorting. It can sort on arbitrary fields like "--sort=-*authordate". I
> think given the syntax you provide, this would fall out naturally as
> just another key (albeit a slightly magical one, as it is building on
> the %(refname:short) field but using a different comparator).
> Would we ever want to version-sort any other field? Perhaps
> %(content:subject) for a tag? I'm not sure what would be the most
> natural way to specify that. Maybe "--sort=version:content:subject",
> with just "--version" as a synonym for "version:refname:short".
If f-e-r and tag share code and syntax then we could use another
letter for this sort type (like we use '-' to reverse sort order). I
think that would make the implementation easier as well. So we could
have --sort=.refname for version sorting refname, --sort=-.refname for
reversed version sort, and sort=-refname for reverse alphabetical
> We don't need to do any of that immediately. This is mostly just me
> thinking aloud, to make sure we do not paint ourselves into a corner
Good thinking. If you plan to use the exact same sort syntax f-e-r
uses now, pick a letter (the dot I used above is probably not the
best), I'll rewrite this patch to use the same syntax.
>  I have patches which I really need to polish and send out that
> combine the ref-selection code (so tag, branch, and for-each-ref all
> know "--merged", "--contains", etc). I'd really like to combine the
> sorting and formatting code, too, so everybody can use "--sort" and
> "--format" with all of the associated fields.
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