I think it's great! I bookmarked your copy because I plan on using it while I look forward to its integration on nixos.org. :-)
On Sun, Feb 28, 2016 at 9:00 PM Fabian Schmitthenner < [email protected]> wrote: > Hi! > > I just wanted to share that I tried displaying package parameters on the > nixos homepage and the current result can be seen here: > http://schmitthenner.eu/nixos-homepage/nixos/packages.html. > > When you click on a package, you hopefully see its parameter. This uses > a heruristic to try to figure out which parameters are packages (and > thus not displayed) and which are not (and thus displayed) that goes > roughly as follows: > > - If the parameter is instantiated - either implicitly or explicitly - > by callPackage, we look at the value and if it's a derivation, or a list > or attrset set of derivations, or a function it's not displayed > - Otherwise, it's displayed > > I think there was a discussion about this a short while ago, but I > couldn't find it. > > Please let me know what you think and if we might want a (more elaborate > version, e. g. also displaying the value of default arguments that > aren't changed by callPackage, which requires an other change to nix > because this info is currently not available, we only know if the > argument is optional or not afaik) of this on our official website. > > Source code can be found on > https://github.com/NixOS/nixos-homepage/compare/master...fkz:master > Technically, I patched nixpkgs customization, so we not only get the > override... functions, but also the original parameters and the original > function. > Furthermore, this uses a patched version of nix which allows catching > errors inside nix (added a primop __catch) that also seems useful more > generally (when polished) (see https://github.com/fkz/nix/tree/catch-throw > ). > > Fabian > _______________________________________________ > nix-dev mailing list > [email protected] > http://lists.science.uu.nl/mailman/listinfo/nix-dev >
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