On Thu, 23 Jul 2009, Ben Morrow wrote:
The problem with that is if you install pkg A deliberately, but it then
later becomes a dependancy of pkg B. If you remove pkg B (because it's
no longer needed) there is then no evidence that pkg A was installed on
purpose, rather than incidentally. portmaster -s will offer to remove
it, and if you refuse it will offer to remove the empty +REQUIRED_BY,
effectively promoting it to a 'manually installed' pkg again, though
it's perhaps not entirely clear from the question that that is what the
effect will be.
Thanks for pointing this out. Can you suggest an alternative message?
Other than the mundane reason the current message says what it does
because I sometimes prefer to leave the empty file there so that when I go
back through at a later date I can re-evaluate the choice.
This would be easy to solve in general by maintaining a 'world' package,
or some such, that had dependencies on everything installed explicitly;
but that would require modifying all the pkg and port installation tools
(probably including bsd.port.mk itself) to support that convention.
This sort of mechanism has been suggested before, but the problem you
described (ports installed "on purpose" becoming a dependency of something
else) is not an easy one to solve.
Doug
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