Add Haskell env

README.md

@@ -32,6 +32,7 @@ Once your preferred template has been initialized, you can use the provided shel
 | [Cue]                    | [`cue`](./cue/)           |
 | [Dhall]                  | [`dhall`](./dhall/)       |
 | [Elixir]                 | [`elixir`](./elixir/)     |
+| [Elm]                    | [`elm`](./elm/)           |
 | [Gleam]                  | [`gleam`](./gleam/)       |
 | [Go] 1.17                | [`go1_17`](./go1.17/)     |
 | [Go] 1.18                | [`go1_18`](./go1.18/)     |
@@ -109,6 +110,11 @@ The sections below list what each template includes. In all cases, you're free t
 - [damon]
 - [Terragrunt] 0.37.0
 
+### [`haskell`](./haskell/)
+
+- [GHC][haskell] 9.0.2
+- [cabal] 3.6.2.0
+
 ### [`java`](./java)
 
 - [Java] 17.0.3
@@ -191,6 +197,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 
 [ant]: https://ant.apache.org
 [buf]: https://github.com/bufbuild/buf
+[cabal]: https://www.haskell.org/cabal
 [cachix]: https://www.cachix.org
 [cargo]: https://doc.rust-lang.org/cargo
 [cargo-audit]: https://crates.io/crates/cargo-audit
@@ -211,7 +218,8 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [goimports]: https://pkg.go.dev/golang.org/x/tools/cmd/goimports
 [golangci-lint]: https://github.com/golangci/golangci-lint
 [gradle]: https://gradle.org
-[hashicorp]: https://hashicorp.com/
+[hashicorp]: https://hashicorp.com
+[haskell]: https://haskell.org
 [iex]: https://hexdocs.pm/iex/IEx.html
 [java]: https://java.com
 [kotlin]: https://kotlinlang.org

cue/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Dhall development environment";
+  description = "A Nix-flake-based Cue development environment";
 
   inputs = { dev.url = "github:the-nix-way/dev-templates"; };
 

elm/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Protobuf development environment";
+  description = "A Nix-flake-based Elm development environment";
 
   inputs = { dev.url = "github:the-nix-way/dev-templates"; };
 

flake.nix

@@ -50,6 +50,11 @@
           description = "HashiCorp DevOps tools development environment";
         };
 
+        haskell = {
+          path = ./haskell;
+          description = "Haskell development environment";
+        };
+
         java = {
           path = ./java;
           description = "Java development environment";

haskell/.envrc

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

haskell/flake.lock

@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "dev": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1659301425,
+        "narHash": "sha256-ws9jVuS3XKx5nYITvSGnMDj8y+JLu7W4ZLWgSoaWDG0=",
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "rev": "34bf508a971639577be4ac3fc422897d380c5086",
+        "type": "github"
+      },
+      "original": {
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "type": "github"
+      }
+    },
+    "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": 1659300577,
+        "narHash": "sha256-mTlKMvvBJ4W32Y9VdEXATyMDUWEYVO4P9IWo8Mzn3rM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b91029be03d836b5ab33042aaf0167f02221c1ac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "dev": "dev"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

haskell/flake.nix

@@ -0,0 +1,24 @@
+{
+  description = "A Nix-flake-based Haskell development environment";
+
+  inputs = { dev.url = "github:the-nix-way/dev-templates"; };
+
+  outputs = { self, dev }:
+    let inherit (dev.lib) flake-utils nixpkgs;
+    in flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        inherit (pkgs) cabal-install ghc mkShell;
+      in {
+        devShells = {
+          default = mkShell {
+            buildInputs = [ cabal-install ghc ];
+
+            shellHook = ''
+              ${ghc}/bin/ghc --version
+              ${cabal-install}/bin/cabal --version
+            '';
+          };
+        };
+      });
+}

nim/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Protobuf development environment";
+  description = "A Nix-flake-based Nim development environment";
 
   inputs = { dev.url = "github:the-nix-way/dev-templates"; };
 

opa/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Protobuf development environment";
+  description = "A Nix-flake-based Open Policy Agent development environment";
 
   inputs = { dev.url = "github:the-nix-way/dev-templates"; };
 

python/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Protobuf development environment";
+  description = "A Nix-flake-based Python development environment";
 
   inputs = {
     dev.url = "github:the-nix-way/dev-templates";

ruby/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix-flake-based Protobuf development environment";
+  description = "A Nix-flake-based Ruby development environment";
 
   inputs = { dev.url = "github:the-nix-way/dev-templates"; };