On Dec 27, 2007, at 11:30 AM, Ralf S. Engelschall wrote:

> On Thu, Dec 27, 2007, Jeff Johnson wrote:
>
>> This patch. although more convoluted than simple,
>> is likelier a better forward looking approach to
>> accessing metadata uniformly no matter what
>> the RPM_FOO_TYPE, or whether its a macro or a tag
>> or an array or lua or ....
>>
>> https://lists.dulug.duke.edu/pipermail/rpm-maint/2007-November/ 
>> 000567.html
>>
>> The patch is integrated (although largely untested
>> and unused other than as a means to popuate
>> RPMTAG_BUILDMACROS so far).
>
> Well, if you looked at my recent RPM Lua hacks in detail you will
> see that I'm actually using rpm.macros() in all of them. This
> *IS* exactly this patch you have applied. My OpenPKG-specific
> "append-tag-value-to-macro" patch I applied today just allows one  
> in Lua
> to fetch from rpm.macros() all(!) values of a tag, not just the last
> one.

Good.

There are two possible implementations available with macros
if you need/want a tuple.

CSV is one, but note also that macro values are stacks, all the
previous values are there, just not top-of-stack.

macros are horrendously over-engineered and relatively maintenance free
(when used correctly ;-).

73 de Jeff