On 11/11/18 18:41, Rich Freeman wrote: > On Sun, Nov 11, 2018 at 12:31 PM M. J. Everitt <m.j.ever...@iee.org> wrote: >> Binpkgs are also a popular component of a few downstream distro's based on >> Gentoo (thinking pentoo right now as an easy example). >> >> So we don't want to break existing users of this format without considering >> the ramifications for these scenarios, as you'll have some very grumpy >> devs... >> > I'd argue that they'd be more important for Gentoo if they were more > useful. IMO the main limitation with them is the inability to > auto-download them from a repository, detecting the binpkg USE flags > BEFORE downloading. This is why I suggested hashing the USE flags or > similar and sticking that in the filename. > > Obviously you can't host a repository with all the USE combinations. > However, you could have a reference repo and the package manager could > check it before doing a build. If you get a hit then you can install > the binpkg. If you don't then you can do a source build. > > Portage already checks the USE flags inside the binpkg before merging > it and by default doesn't use a non-matching binpkg. The problem with > the current approach is: > 1. You have to download the package to check this (could be a big file). > 2. You can't host multiple versions of a binpkg with different USE > flags since the filenames collide. > > I suggested a content hash because you can use it for an arbitrary > amount of metadata, vs having to cram arch/USE/multilib and I'm sure > something I'm missing into a filename. Make the hash as short as is > economical - it isn't like we have THAT many permutations, the PM can > still check the internal metadata, and this isn't a security feature. > If you can really present a decent argument for replicating the functionality of other distros like Debian, Arch, Ubuntu etc then let's here it. For now, the strength of Gentoo is being able to fully customise a system to your own requirements, not being trapped by some distro maintainer's arbitrary choices. Play to your USP's and strengths rather than chasing rainbows ..
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