From 01721ce87b8c7bb9e0efa5648a43af297df21a07 Mon Sep 17 00:00:00 2001
From: Manuel Mendez <github@i.m.mmlb.dev>
Date: Thu, 20 Jul 2023 16:53:13 -0400
Subject: [PATCH] Add shell language support.

---
 examples/shell/.test.sh                 |  6 ++++++
 examples/shell/devenv.nix               | 11 +++++++++++
 examples/shell/devenv.yaml              |  3 +++
 examples/supported-languages/devenv.nix |  1 +
 src/modules/languages/shell.nix         | 19 +++++++++++++++++++
 5 files changed, 40 insertions(+)
 create mode 100755 examples/shell/.test.sh
 create mode 100644 examples/shell/devenv.nix
 create mode 100644 examples/shell/devenv.yaml
 create mode 100644 src/modules/languages/shell.nix

diff --git a/examples/shell/.test.sh b/examples/shell/.test.sh
new file mode 100755
index 000000000..2d2884169
--- /dev/null
+++ b/examples/shell/.test.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+set -ex
+bash-language-server --version
+bats --version
+shellcheck --version
+shfmt --version
diff --git a/examples/shell/devenv.nix b/examples/shell/devenv.nix
new file mode 100644
index 000000000..0119b27ad
--- /dev/null
+++ b/examples/shell/devenv.nix
@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+
+{
+  languages.shell.enable = true;
+  enterShell = ''
+    bash-language-server --version
+    bats --version
+    shellcheck --version
+    shfmt --version
+  '';
+}
diff --git a/examples/shell/devenv.yaml b/examples/shell/devenv.yaml
new file mode 100644
index 000000000..c7cb5ceda
--- /dev/null
+++ b/examples/shell/devenv.yaml
@@ -0,0 +1,3 @@
+inputs:
+  nixpkgs:
+    url: github:NixOS/nixpkgs/nixpkgs-unstable
diff --git a/examples/supported-languages/devenv.nix b/examples/supported-languages/devenv.nix
index ea2305ac5..3639ba1da 100644
--- a/examples/supported-languages/devenv.nix
+++ b/examples/supported-languages/devenv.nix
@@ -38,6 +38,7 @@
   languages.ruby.enable = true;
   languages.rust.enable = true;
   languages.scala.enable = true;
+  languages.shell.enable = true;
   languages.swift.enable = true;
   languages.terraform.enable = true;
   languages.texlive.enable = true;
diff --git a/src/modules/languages/shell.nix b/src/modules/languages/shell.nix
new file mode 100644
index 000000000..0c6787b24
--- /dev/null
+++ b/src/modules/languages/shell.nix
@@ -0,0 +1,19 @@
+{ pkgs, config, lib, ... }:
+
+let
+  cfg = config.languages.shell;
+in
+{
+  options.languages.shell = {
+    enable = lib.mkEnableOption "tools for shell development";
+  };
+
+  config = lib.mkIf cfg.enable {
+    packages = with pkgs; [
+      bats
+      nodePackages.bash-language-server
+      shellcheck
+      shfmt
+    ];
+  };
+}