[Nix-dev] Problem compiling a rust program without fetchFromGitHub

[Christian Kauhaus]

Am 21.03.2017 um 18:22 schrieb stewart mackenzie:
> You need to update the rustIndex in nixpkgs.

I don't think that this is part of the solution. When I compile *exactly* the same source obtained via fetchFromGitHub, all dependencies are found.

The direction I've been thinking about is that fetchFromGitHub is actually a derivation with a bit of magic attached, while directly imported sources are just a Nix store path. Need to study buildRustPackage's code. Alas, the code in pkgs/build-support/rust/ is not really straight-forward. Help appreciated. :-)

Regards

Chistian

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