fix semantics: wrap content body into section

default.nix

@@ -36,6 +36,15 @@ rec {
     packages = with pkgs; [
       cmark
       npins
+      watchexec
     ];
+    shellHook = ''
+      cat << EOF
+      For incremental rebuilds:
+
+      echo watchexec -e nix "nix-build -A build"
+      firefox --new-tab file:///${toString ./.}/result/index.html
+      EOF
+    '';
   };
 }

lib.nix

@@ -1,7 +1,22 @@
 { lib }:
 rec {
   template = g: f: x:
-    (g (f x)) // { override = o: g (lib.recursiveUpdate (f x) o); };
+    let
+      base = f x;
+      result = g base;
+    in
+    result // {
+      override = new:
+        let
+          # TODO: let overrides take the previous state as an argument
+          # base' = lib.recursiveUpdate base (new base);
+          base' = lib.recursiveUpdate base new;
+          result' = g base';
+        in
+        result' // {
+          override = new: (template g (x': base') x).override new;
+        };
+    };
 
   /**
     Recursively replace occurrences of `from` with `to` within `string`

structure/article.nix

@@ -31,20 +31,25 @@ in
       html = {
         # TODO: make authors always a list
         head.meta.authors = if lib.isList config.author then config.author else [ config.author ];
+        head.title.text = lib.mkForce "yeah";
         body.content = lib.mkForce [
           (cfg.menus.main.outputs.html config)
           {
-            section.heading = {
+            section = {
+              heading = {
                 # TODO: i18n support
                 # TODO: structured dates
                 before = [{ p.content = "Published ${config.date}"; }];
                 content = config.title;
                 after = [{ p.content = "Written by ${config.author}"; }];
               };
-          }
+              content = [
                 (cfg.templates.html.markdown { inherit (config) name body; })
               ];
             };
+          }
+        ];
+      };
     });
   };
 }

structure/page.nix

@@ -64,9 +64,15 @@ in
       };
       body.content = [
         (cfg.menus.main.outputs.html page)
-        { section.heading.content = page.title; }
+        {
+          section = {
+            heading.content = page.title;
+            content = [
               (cfg.templates.html.markdown { inherit (page) name body; })
             ];
           };
+        }
+      ];
+    };
   });
 }