[Nix-dev] mix bundlerEnv and python3.buildEnv

[Maksim Bronsky]

Hello list,

this is my hello world :)

I am adding some monitor checks to sensu, most of them are in ruby, but some are in other, ‘foreign’ languages like the check for mongodb I am interested in. Adding a python3.buildEnv to bundlerEnv drives me crazy.

In [1] you see the whole nix-expression.

In the upper part I define a wrapped python env like so:

let
    pyenv = python3.buildEnv.override {
      extraLibs = with pkgs.python3Packages;
        [ pymongo ];
    } ;
in

to inject in the bundlerEnv function, where I extend the defaultGemConfig with some none default values [2]. Unfortunately

    sensu-plugins-mongodb = attrs: {
      buildInputs = [ pyenv ];
      postPatch = ''
        # the ruby check runs a python script
        patchShebangs bin/check-mongodb.py
      '';
    };

doesn’t seem to work at all, and I have no idea why this is the case, nor how to debug it. :(
Not working means, bin/check-mongodb.py isn’t patched and I am not sure whether python is in $PATH or not.



[1]  https://github.com/flyingcircusio/nixpkgs/blob/37b78557564f55454ceaae38883cf6d3dc41d6fb/nixos/modules/flyingcircus/packages/sensu/default.nix
[2] https://github.com/flyingcircusio/nixpkgs/blob/37b78557564f55454ceaae38883cf6d3dc41d6fb/nixos/modules/flyingcircus/packages/sensu/gemset.nix





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Maksim Bronsky · mb at flyingcircus.io · +49 345 219401-22
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