Add rust-toolchain.toml + shell.nix files.

This makes it easier to start a devshell without using Docker.

Author: brocaar

Dockerfile-devel

@@ -54,12 +54,6 @@ RUN apt-get update && \
 	gcc-aarch64-linux-gnu \
 	g++-aarch64-linux-gnu
 
-RUN rustup component add rustfmt clippy
-RUN rustup target add mips-unknown-linux-musl
-RUN rustup target add armv5te-unknown-linux-gnueabi
-RUN rustup target add armv7-unknown-linux-gnueabihf
-RUN rustup target add aarch64-unknown-linux-gnu
-
 RUN cargo install cargo-bitbake
 RUN cargo install cargo-bloat
 

docker-compose.yml

@@ -4,9 +4,10 @@ services:
     volumes:
       - ./:/chirpstack-mqtt-forwarder
       - ./.rust/target:/chirpstack-mqtt-forwarder/target
-      - ./.rust/.cargo/registry/index:/usr/local/cargo/registry/index
-      - ./.rust/.cargo/registry/cache:/usr/local/cargo/registry/cache
-      - ./.rust/.cargo/git/db:/usr/local/cargo/git/db
+      - ./.rust/rustup:/usr/local/rustup
+      - ./.rust/cargo/registry/index:/usr/local/cargo/registry/index
+      - ./.rust/cargo/registry/cache:/usr/local/cargo/registry/cache
+      - ./.rust/cargo/git/db:/usr/local/cargo/git/db
     ports:
       - "1700:1700/udp"
     depends_on:

rust-toolchain.toml

@@ -0,0 +1,10 @@
+[toolchain]
+channel = "1.68.2"
+components = ["rustfmt", "clippy"]
+targets = [
+  "mips-unknown-linux-musl",
+  "armv5te-unknown-linux-gnueabi",
+  "armv7-unknown-linux-gnueabihf",
+  "aarch64-unknown-linux-gnu",
+]
+profile = "default"

shell.nix

@@ -0,0 +1,14 @@
+{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-22.11.tar.gz") {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.cacert
+    pkgs.rustup
+    pkgs.protobuf
+    pkgs.perl
+    pkgs.cmake
+    pkgs.clang
+  ];
+  LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
+  BINDGEN_EXTRA_CLANG_ARGS = "-I${pkgs.llvmPackages.libclang.lib}/lib/clang/${pkgs.llvmPackages.libclang.version}/include";
+}