Add Scala environment

README.md

@@ -19,6 +19,9 @@ nix flake init --template github:the-nix-way/dev-templates#node
 # Rust
 nix flake init --template github:the-nix-way/dev-templates#rust
 
+# Scala
+nix flake init --template github:the-nix-way/dev-templates#scala
+
 # Zig
-nix flake init --template github:the-nix-way/dev-templates#rust
+nix flake init --template github:the-nix-way/dev-templates#zig
 ```

flake.nix

@@ -33,7 +33,12 @@
         description = "Rust development environment";
       };
 
-      zip = {
+      scala = {
+        path = ./scala;
+        description = "Scala development environment";
+      };
+
+      zig = {
         path = ./zig;
         description = "Zig development environment";
       };

gleam/flake.nix

@@ -16,7 +16,7 @@
       in {
         devShells = {
           default = pkgs.mkShell {
-            nativeBuildInputs = [
+            buildInputs = [
               gleamPkg
             ];
 

java/flake.nix

@@ -19,7 +19,7 @@
       in {
         devShells = {
           default = pkgs.mkShell {
-            nativeBuildInputs = [
+            buildInputs = [
               java
             ] ++ buildTools;
 

node/flake.nix

@@ -19,7 +19,7 @@
       in {
         devShells = {
           default = pkgs.mkShell {
-            nativeBuildInputs = [
+            buildInputs = [
               nodejs
               pnpm
               (yarn.override { inherit nodejs; })

rust/flake.nix

@@ -20,7 +20,7 @@
 
         rust = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
 
-        helpers = with pkgs; [ pkg-config ];
+        helpers = with pkgs; [ openssl pkg-config ];
 
         inherit (pkgs) mkShell;
         inherit (pkgs.lib) optionals;
@@ -30,15 +30,10 @@
 
         devShells = {
           default = mkShell {
-            nativeBuildInputs = [
+            buildInputs = [
               rust
             ] ++ helpers;
 
-            buildInputs = with pkgs; [
-              openssl
-              pkgconfig
-            ];
-
             shellHook = ''
               ${rust}/bin/cargo --version
             '';

scala/.envrc

@@ -0,0 +1 @@
+use flake .

scala/flake.lock

@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1659041591,
+        "narHash": "sha256-kKoy3tDZl3w0GuVlvJ6W/ERGRqeXy2+IGXL9g1a3F68=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ab0794b1ae2756411d176dd5b82843a4ae56fe6e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

scala/flake.nix

@@ -0,0 +1,48 @@
+{
+  description = "A Nix-flake-based Java development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        jdk = "jdk17";
+        jdkPkg = pkgs.${jdk};
+
+        config = {
+          packageOverrides = p: {
+            sbt = p.sbt.override {
+              jre = p.${jdk};
+            };
+            scala_3 = p.scala_3.override {
+              jre = p.${jdk};
+            };
+          };
+        };
+
+        pkgs = import nixpkgs { inherit config jdk system; };
+
+        inherit (pkgs) mkShell;
+
+        scala = pkgs.scala_3;
+
+        buildTools = with pkgs; [ sbt ];
+      in {
+        devShells = {
+          default = pkgs.mkShell {
+            buildInputs = [
+              scala
+              jdkPkg
+            ] ++ buildTools;
+
+            shellHook = ''
+              ${scala}/bin/scala -version
+            '';
+          };
+        };
+      }
+    );
+}

zig/flake.nix

@@ -16,7 +16,7 @@
       in {
         devShells = {
           default = pkgs.mkShell {
-            nativeBuildInputs = [
+            buildInputs = [
               zigPkg
             ];