ci: build devshell for all supported systems

Author: gvolpe

.github/workflows/ci.yml

@@ -8,9 +8,13 @@ on:
 
 jobs:
   build:
-    name: Checks
+    name: Build
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        system: ['x86_64-linux', 'aarch64-linux', 'x86_64-darwin', 'aarch64-darwin']
+
     steps:
       - uses: actions/checkout@v4
 
@@ -27,3 +31,6 @@ jobs:
         run: |
           nix flake check --all-systems -L
           nix build .#sbt -L
+
+      - name: "Nix devshell build for ${{ matrix.system }} ❄️"
+        run: nix build .#devShells.${{ matrix.system }}.default.inputDerivation

flake.nix

@@ -26,19 +26,22 @@
           inherit system;
           overlays = [ scalaOverlay ];
         };
+
+        inherit (pkgs) lib stdenv;
+
+        linuxPkgs = lib.optional stdenv.isLinux [ pkgs.coursier ];
       in
       {
         devShells.default = pkgs.mkShell {
           name = "profunktor-scala-dev-shell";
 
           buildInputs = with pkgs; [
-            coursier
             gnupg
             jekyll
             jre
             sbt
             scala-cli
-          ];
+          ] ++ linuxPkgs;
 
           shellHook = ''
             JAVA_HOME="${pkgs.jre}"