chore(nix): stop installing everything in CI

dev deps aren't needed to run tests
ocaml · Oct 12, 2024 · 5dd6335 · 5dd6335
1 parent 83d0f60
commit 5dd6335
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Showing 2 changed files with 18 additions and 8 deletions.
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
@@ -13,4 +13,4 @@ jobs:
       - uses: cachix/install-nix-action@v30
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - run: nix develop -c dune runtest
+      - run: nix develop .#test -c dune runtest
diff --git a/flake.nix b/flake.nix
@@ -9,6 +9,17 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages."${system}";
+        extraBuildInputs = [ pkgs.ocamlPackages.core_bench ];
+        checkInputs = with pkgs.ocamlPackages; [
+          ounit
+          js_of_ocaml
+          ppx_expect
+          pkgs.nodejs-slim
+        ];
+        devInputs = with pkgs.ocamlPackages; [
+          ocaml-lsp
+          pkgs.ocamlformat_0_26_2
+        ];
         inherit (pkgs.ocamlPackages) buildDunePackage;
       in rec {
         packages = rec {
@@ -19,19 +30,18 @@
             src = ./.;
             duneVersion = "3";
             propagatedBuildInputs = with pkgs.ocamlPackages; [ seq ];
+            # Other check deps depend on re itself
             checkInputs = with pkgs.ocamlPackages; [ ounit ];
             doCheck = true;
           };
         };
+        devShells.test = pkgs.mkShell {
+          inputsFrom = pkgs.lib.attrValues packages;
+          buildInputs = extraBuildInputs ++ checkInputs;
+        };
         devShells.default = pkgs.mkShell {
           inputsFrom = pkgs.lib.attrValues packages;
-          buildInputs = with pkgs.ocamlPackages; [
-            ocaml-lsp
-            core_bench
-            pkgs.ocamlformat_0_26_2
-            js_of_ocaml
-            pkgs.nodejs-slim
-          ];
+          buildInputs = extraBuildInputs ++ devInputs;
         };
       });
 }