[MacPorts] Migration modified

[Blair Zajac]

On 01/21/2010 01:06 PM, Dan Ports wrote:
> On Thu, Jan 21, 2010 at 02:45:08PM -0600, Ryan Schmidt wrote:
>> I don't think we want this shell script. Certainly its position in the wiki makes it look official, and I can't endorse it. It doesn't, for example, take into account three important aspects of the Migration process:
>
> I'll take your word on this particular shell script (I haven't looked
> at it) -- but I think that such a script, if done right, would be a
> great thing to have.
>
> When I upgraded to Snow Leopard, I found the migration process about as
> far from user-friendly as possible. Aside from the (understandable)
> need to rebuild everything, the instructions weren't easy to follow
> with a lot of ports installed:
>
>   - what are the ports I actually want to use vs dependencies? Easy to
>     miss some when picking them out of a list of hundreds of installed
>     ports.
>   - what are the non-default variants I specified? I wound up searching
>     for '+'s to find them, but that also matches +darwin, etc.
>   - what order to install them? I don't know the entire dependency tree
>     offhand...
>
> These seem like they'd be comparatively easy to track/compute
> programatically, especially if someday port can keep track of what's
> installed by explicit request vs dependencies.
>
> I realize that this is probably an issue of time rather than anything
> else, but I just wanted to throw my experiences out there. Perhaps
> someday I'll actually find time to do something about it.

I would also suggest just dropping all the variants into the 
$prefix/etc/macports/variants.conf instead of doing to the work in 
keeping each variant around.

Blair