On Wed, Feb 15, 2017 at 11:55 AM, Freddy Rietdijk <freddyrietd...@fridh.nl> wrote:
> > Sort of repeating my earlier question, but how often does this happen > in reality? > > From a quick check in our repo we have patched about 1% of our packages to > remove the constraints. We have close to 2000 Python packages. We don't > necessarily patch all the constraints, only when they collide with the > version we would like the package to use so the actual percentage is likely > higher. > > Larger applications that have many dependencies that are fixed have been > kept out of Nixpkgs for now. Their fixed dependencies means we likely need > multiple versions of packages. While Nix can handle that, it means more > maintenance. We have a tool that can take e.g. a requirements.txt file and > generate expressions, but it won't help you much with bug-fix releases when > maintainers don't update their pinned requirements. > I suppose this isn't a problem for Java applications, which use jar files and per-application class paths. Jim -- Jim Fulton http://jimfulton.info
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