axelf4 / nix-rebar3 Goto Github PK

Hello, thanks for nix-rebar3!

When moving from "nixpkgs/nixos-22.05" to "nixpkgs/nixos-22.11" my build started failing during installPhase with consumeEntire(): ERROR: Input null bytes, won't process, due to $out/rel/*/erts-*/bin/erl now being a binary file (crashing substituteInPlace here https://github.com/axelf4/nix-rebar3/blob/master/default.nix#L147).

Not running substituteInPlace for binary files fixes the problem:

                if [ -z "$(file $f -b --mime | grep 'charset=binary')" ]; then
                  substituteInPlace "$f" --replace ${erlang}/lib/erlang "''${f%/erts-*/bin/*}"
                fi

however this feels clunky, there's probably a more appropriate solution that I'm not seeing due to my lack of understanding of erlang releases and nix-rebar3 (or maybe my project is mis-configured in some other way).

I haven't managed to find how/why the file is now binary rather than ascii. With nixos-22.11, rebar3 version 3.20.0 is used, whereas nixos 22.05 uses rebar3 3.18.0. Both nixos 22.11 and 22.05 use Erlang/OTP 24 and Erts 12.3.2.5.

I've created a small reproducible example here https://github.com/rskew/nix-rebar3-bug-demo

Cheers :)