chore: Add flake.nix (#2261)

Author: LucioFranco

.github/workflows/CI.yml

@@ -93,7 +93,7 @@ jobs:
         CARGO_RESOLVER_INCOMPATIBLE_RUST_VERSIONS: fallback
     - name: Get MSRV from manifest file
       id: msrv
-      run: echo "version=$(yq '.workspace.package.rust-version' Cargo.toml)" >> $GITHUB_OUTPUT
+      run: echo "version=$(yq '.workspace.package.rust-version' Cargo.toml)" >> "$GITHUB_OUTPUT"
     - uses: hecrj/setup-rust-action@v2
       with:
         rust-version: ${{ steps.msrv.outputs.version }}

flake.lock

@@ -0,0 +1,73 @@
+{
+  description = "Description for the project";
+
+  inputs = {
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    git-hooks = {
+      url = "github:cachix/git-hooks.nix";
+      inputs = { nixpkgs.follows = "nixpkgs"; };
+    };
+
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ self, flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [ inputs.git-hooks.flakeModule inputs.treefmt-nix.flakeModule ];
+      systems =
+        [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
+      perSystem = { config, pkgs, system, ... }:
+        let rustToolchain = pkgs.fenix.stable;
+        in {
+          _module.args.pkgs = import inputs.nixpkgs {
+            inherit system;
+            overlays = [ inputs.fenix.overlays.default ];
+            config = { };
+          };
+
+          formatter = config.treefmt.build.wrapper;
+          checks.formatting = config.treefmt.build.check self;
+
+          pre-commit = {
+            check.enable = true;
+            settings.hooks = {
+              actionlint.enable = true;
+              shellcheck.enable = true;
+              treefmt.enable = true;
+            };
+          };
+
+          treefmt = {
+            settings = { rustfmt.enable = true; };
+            projectRootFile = ".git/config";
+            flakeCheck = false; # Covered by git-hooks check
+          };
+
+          devShells.default = pkgs.mkShell {
+            packages = with pkgs; [
+              nixd
+              nixfmt
+
+              (rustToolchain.withComponents [
+                "cargo"
+                "clippy"
+                "rust-src"
+                "rustc"
+                "rustfmt"
+                "rust-analyzer"
+              ])
+              protobuf
+            ];
+          };
+        };
+    };
+}

flake.nix

@@ -47,7 +47,7 @@ TLS_CRT="interop/data/server1.pem"
 TLS_KEY="interop/data/server1.key"
 
 # run the test server
-./"${SERVER}" ${ARG} --tls_cert_file $TLS_CRT --tls_key_file $TLS_KEY &
+./"${SERVER}" "${ARG}" --tls_cert_file $TLS_CRT --tls_key_file $TLS_KEY &
 SERVER_PID=$!
 echo ":; started grpc-go test server."
 
@@ -57,12 +57,12 @@ trap 'echo ":; killing test server"; kill ${SERVER_PID};' EXIT
 
 sleep 1
 
-./target/debug/client --test_case="${JOINED_TEST_CASES}" ${ARG}
+./target/debug/client --test_case="${JOINED_TEST_CASES}" "${ARG}"
 
-echo ":; killing test server"; kill ${SERVER_PID};
+echo ":; killing test server"; kill "${SERVER_PID}";
 
 # run the test server
-./target/debug/server ${ARG} &
+./target/debug/server "${ARG}" &
 SERVER_PID=$!
 echo ":; started tonic test server."
 
@@ -72,7 +72,7 @@ trap 'echo ":; killing test server"; kill ${SERVER_PID};' EXIT
 
 sleep 1
 
-./target/debug/client --test_case="${JOINED_TEST_CASES}" ${ARG}
+./target/debug/client --test_case="${JOINED_TEST_CASES}" "${ARG}"
 
 TLS_ARGS=""
 
@@ -81,5 +81,5 @@ if [ -n "${ARG}" ]; then
 fi
 
 for CASE in "${TEST_CASES[@]}"; do
-  interop/bin/client_${OS}_amd64${EXT} --test_case="${CASE}" ${TLS_ARGS}
+  interop/bin/client_${OS}_amd64${EXT} --test_case="${CASE}" "${TLS_ARGS}"
 done

interop/test.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 set -e
 
 # This script updates server and client go binaries for interop tests.
@@ -30,4 +31,4 @@ for ROLE in $ROLES; do
   done
 done
 
-rm -rf ../grpc-go
+rm -rf ../grpc-go

interop/update_binaries.sh

@@ -14,7 +14,7 @@ fi
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 VERSION="$1"
-MINOR="$( echo ${VERSION} | cut -d\. -f1-2 )"
+MINOR="$( echo "${VERSION}" | cut -d\. -f1-2 )"
 
 VERSION_MATCHER="([a-z0-9\\.-]+)"
 TONIC_CRATE_MATCHER="(tonic|tonic-[a-z]+)"