On 03/02/20 12:19, Benda Xu wrote: > Hi Gerion, > > Gerion Entrup writes: > >>> Yes, that makes a lot of sense. The R overlay follows this model. Most >>> of the ebuilds are automated. When an ebuild generation fails, we add >>> the ebuild manually, understand it and then update the generator to >>> cover it in the future. >> Is this possible in all cases? I think of adding custom patches, >> appropriate mapping of dependencies, check for things like desktop >> icon cache... > That's too complex to handle automatically. Luckily, in R overlay, such > packages are less than 5%. An ebuild generator is based on the > observation that many language-specific packages are trivial to fetch, > compile and install. > >>>> I'm only "maintaining" an overlay so maybe I'm missing experience >>>> but I often have wished a tool that automatically parses the language specific >>>> packaging files and is able to generate a primitive ebuild out of that. >>>> Maybe it even can do this in an interactive way: >>>> "Hey, upstream needs the dependency 'foo'. In the Gentoo packages I have found >>>> 'dev-bar/foo' and 'dev-util/foo'. What is the correct one?" >>> Yes, that's the way R overlay is working. And I have a similar plan and >>> proof-of-concept solution for the Java Maven overlay. >> Nice to hear. I think, it is meaningful to solve all generation with one >> tool. Maybe it can even "recognize" the used build system and package >> database. Is this your plan, too? > No, I don't think it possible as far as I can see... That would be a > strong AI. > > Yours, > Benda There was some interest in doing this for PyPI packages for Liguros linux. See https://gitlab.com/liguros/bugs/issues/75 .