[gentoo-dev] File collisions

[Steve Long <slong@rathaus.eclipse.co.uk>]

On the issue of QA, I think enabling FEATURES="collision-detect" by default
would do a lot more good at this stage than "test". There are several
packages I have come across where this has picked up files not being
removed from earlier versions. It's a reasonable default to have and
doesn't involve delaying users since it takes a fraction of a second to
carry out. What I'd propose is that portage runs the collision-detect and
reports it, but continues the installation in the same manner as now.

This could tie into an automated report at a later stage.

According to the portage team the majority of blockers in the tree are
`soft' blocks which are file collisions. I understand that they'd like to
separate those from hard blocks which are more fundamental
incompatibilities than installing the same file, since that would make it
easier for QA to track those. collision-detect isn't going to help with
that, of course, but I wonder what the issues would be with such a change?


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