Early CONFLICTS detection is POLA viloation?

[Garrett Cooper]

2010/6/27 Lev Serebryakov <lev at freebsd.org>:
> Hello, Freebsd-ports.
>
>  I  understand,  that  this  change (ports/137855, bsd.port.mk:1.632)  was  made 6 months ago, but I've
>  noticed it only now (twice in one day!).
>
>  Am  I  only  person,  who  thinks,  that  this  change  is HUGE POLA
>  violation?
>
>  PR  says about "big tarball is downloaded and CONFLICTS are detected
>  after  that,"  but I've have two more realistic scenarios, when early
>  conflict  detection  is  VERY annoying. Thry are real-life scenarios,
>  occured today for me in a row.
>
>  (1)  I  have  `subversion'  port  installed, and want to `makesum' in
>  updated subversion-freebsd port directory (because I'm maintainer and
>  need  to update port with new version, which have new tarball). OOPS.
>  I cannot even download new tarball -- confilct is detected.
>
>  (2) I want upgrade perl from 5.8.x to 5.10.x. Type command:
>
>  #portupgrade -rfo lang/petl5.10 perl-5.8.9_3
>
>   Ooops, confilct is detected, upgraid failed. GRRRR!
>
>
>   Maybe, early conflict detection should only print WARNING, and only
>  install  target  should  be blocked by it, as everybody used for MANY
>  years?

    I'm in a similar boat as you when I was trying to eval some of the
linux base / dist ports recently.
    I would think that the CONFLICTS detection should only be a
warning in the first run-through, and become a hard error when you try
and run make install.
Thanks,
-Garrett