basic pi stuff, ugly but functional

treefmt.nix

@@ -0,0 +1,82 @@
+{
+  projectRootFile = "flake.nix";
+
+  programs = {
+    actionlint.enable = true;
+    biome = {
+      enable = true;
+      settings.formatter.formatWithErrors = true;
+    };
+    clang-format.enable = true;
+    deadnix = {
+      enable = true;
+    };
+    deno = {
+      enable = true;
+      # Using biome for these
+      excludes = [
+        "*.ts"
+        "*.js"
+        "*.json"
+        "*.jsonc"
+      ];
+    };
+    fantomas.enable = true;
+    fish_indent.enable = true;
+    gofmt.enable = true;
+    isort.enable = true;
+    nixfmt.enable = true;
+    nufmt.enable = true;
+    ruff-check.enable = true;
+    ruff-format.enable = true;
+    rustfmt.enable = true;
+    shfmt = {
+      enable = true;
+      indent_size = 4;
+    };
+    statix.enable = true;
+    stylua.enable = true;
+    taplo.enable = true;
+    yamlfmt.enable = true;
+  };
+
+  settings = {
+    global.excludes = [
+      "*.editorconfig"
+      "*.envrc"
+      "*.gitconfig"
+      "*.git-blame-ignore-revs"
+      "*.gitignore"
+      "*.gitattributes"
+      "*.luacheckrc"
+      "*CODEOWNERS"
+      "*LICENSE"
+      "*flake.lock"
+      "*.conf"
+      "*.gif"
+      "*.ico"
+      "*.ini"
+      "*.micro"
+      "*.png"
+      "*.svg"
+      "*.tmux"
+      "*/config"
+      # TODO: formatters?
+      "*.ac"
+      "*.css" # Exclude CSS files from formatting since we use Nix template variables
+      "*.csproj"
+      "*.fsproj"
+      "*.in"
+      "*.kdl"
+      "*.kvconfig"
+      "*.rasi"
+      "*.sln"
+      "*.xml"
+      "*.zsh"
+      "*Makefile"
+      "*makefile"
+    ];
+
+    formatter.ruff-format.options = [ "--isolated" ];
+  };
+}