devops: nix-checks

Author: sand4rt

.github/workflows/test.yml

@@ -5,6 +5,13 @@ on:
     branches: [main]
 
 jobs:
+  nix-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v31
+      - run: nix flake check -Lv
+
   test:
     runs-on: ubuntu-latest
     steps:

.luarc.json

@@ -0,0 +1,7 @@
+{
+  "workspace": {
+    "library": [
+      "$VIMRUNTIME"
+    ]
+  }
+}

.luarc.json

@@ -0,0 +1,6 @@
+line_endings = "Unix"
+indent_type = "Tabs"
+indent_width = 2
+quote_style = "AutoPreferDouble"
+call_parentheses = "Always"
+collapse_simple_statement = "Never"

.stylua.toml

@@ -6,6 +6,7 @@
   };
   outputs =
     {
+      self,
       nixpkgs,
       flake-utils,
       gen-luarc,
@@ -20,21 +21,44 @@
             gen-luarc.overlays.default
           ];
         };
-        luarc = pkgs.mk-luarc-json {
+        luarc = pkgs.mk-luarc {
           plugins = with pkgs.vimPlugins; [
             mini-nvim
           ];
         };
+        luarc-json = pkgs.luarc-to-json luarc;
+        type-check =
+          pkgs.runCommand "type-check"
+            {
+              nativeBuildInputs = [ pkgs.lua-language-server ];
+            }
+            ''
+              export HOME="$(mktemp -d)"
+              cp -r ${self} source
+              cd source
+              lua-language-server --configpath ${luarc-json} --logpath "$HOME/log" --checklevel Error --check .
+              touch $out
+            '';
+        stylua-check =
+          pkgs.runCommand "stylua-check"
+            {
+              nativeBuildInputs = [ pkgs.stylua ];
+            }
+            ''
+              cd ${self}
+              stylua --check .
+              touch $out
+            '';
       in
       {
         devShells.default = pkgs.mkShell {
           packages = with pkgs; [
             lua-language-server
+            stylua
           ];
-          shellHook = # bash
-            ''
-              ln -fs ${luarc} .luarc.json
-            '';
+        };
+        checks = {
+          inherit type-check stylua-check;
         };
       }
     );

flake.nix

@@ -250,8 +250,7 @@ local function setup(options)
 					for _, integration in pairs(opts[position]) do
 						---@diagnostic disable-next-line: undefined-field
 						if type(integration) == "table" and integration.filetype == filetype then
-							local new_width =
-								math.max(opts[position].min_width, math.floor((vim.o.columns - opts.main.width) / 2))
+							local new_width = math.max(opts[position].min_width, math.floor((vim.o.columns - opts.main.width) / 2))
 							vim.api.nvim_win_set_width(buf_info[1].windows[1], new_width)
 							return
 						end