[MacPorts] Migration modified

[Joshua Root]

On 2011-3-18 17:23 , Joshua Root wrote:
> On 2011-3-18 16:42 , Ryan Schmidt wrote:
>>
>> On Mar 17, 2011, at 23:11, Jeremy Lavergne wrote:
>>
>>>> -port echo requested > myports.txt
>>>> +port installed requested > myports.txt
>>>
>>> Ah, nice.
>>
>> I figured the script Joshua wrote, at the bottom of that page, was probably designed for the output of "port installed" not the output of "port echo".
>>
>>
>>> How would you go about doing this: requested, active, and with what variants. I think whatever `this` is would be best to put on the Migration page.
>>
>> port installed requested and active
> 
> This is all no longer just migrating the user's ports, it's trimming
> them down as well. What if they installed some ports before 1.9 so
> they're not marked as requested? What if they have some ports installed
> with multiple sets of variants that they swap between?
> 
> A separate page explaining how to make sure your requested ports are
> marked as such and how to trim leaves would be useful, and we could link
> to it from the Migration page. But the migration procedure itself
> shouldn't be changing what's there more than it has to.

Oh yeah, and the other big reason why we shouldn't only save the
requested list: it fails to preserve the variants of the dependencies.

- Josh