[Nix-dev] Add new binaryRunCheck phase to stdenv?

[zimbatm]

Hi,

So a bit like the installCheckPhase but with more structure?

On Sun, 19 Jun 2016, 12:10 Thomas Hunger, <tehunger at gmail.com> wrote:

> Hi,
>
> One problem I encounter not very often, but often enough to be annoyed by
> it is that binaries build successfully but don't actually run due to some
> missing run time dependency ( template, LD_PRELOAD, a dependency that
> should have been in propagatedBuildInputs, ..)
>
> We have a "Tested execution of all binary files" entry in our PR templates
> - how about we formalize it with an optional extra build step in [1]?
>
> It could look like this:
>
>   binaryRunChecks = [
>     { run = "bin/totem --help"; prefix = "Usage:\n  totem [OPTION…]"; }
>   ];
>
>   binaryRunChecks = [
>     { run = "bin/ipython --help"; prefix = "=========\n
> IPython\n========="; }
>     ...
>   ];
>
> The idea is that checking a prefix of the output is almost always good
> enough to know whether a program can be run.
>
> I think this is pretty easy technically but does require a full rebuild.
>
> What do you think?
>
> ~
>
> [1]
>
> https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L823
>
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