unstable zola

flake.lock

@@ -69,6 +69,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1777270315,
+        "narHash": "sha256-yKB4G6cKsQsWN7M6rZGk6gkJPDNPIzT05y4qzRyCDlI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6368eda62c9775c38ef7f714b2555a741c20c72d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1777077449,
@@ -89,6 +105,7 @@
       "inputs": {
         "guestbook": "guestbook",
         "nixpkgs": "nixpkgs_2",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix"
       }
     },

flake.nix

@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     sops-nix = {
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -10,10 +11,10 @@
     guestbook.url = "git+https://git.ily.rs/lew/guestbook";
   };
 
-  outputs = { self, nixpkgs, sops-nix, guestbook, ... }: {
+  outputs = { self, nixpkgs, nixpkgs-unstable, sops-nix, guestbook, ... }: {
     nixosConfigurations.lab = nixpkgs.lib.nixosSystem {
       system = "aarch64-linux";
-      specialArgs = { inherit guestbook; };
+      specialArgs = { inherit guestbook nixpkgs-unstable; };
       modules = [
         sops-nix.nixosModules.sops
         guestbook.nixosModules.default

hosts/lab/sites.nix

@@ -30,7 +30,10 @@
 #     Forgejo repo -> settings -> Webhooks -> Add webhook
 #   - preview webhook: http://localhost:4323/hooks/${name}-preview-rebuild
 
-{ pkgs, ... }:
+{ pkgs, nixpkgs-unstable, ... }:
+let
+  unstable = import nixpkgs-unstable { inherit (pkgs) system; };
+in
 {
   services.site.website = {
     enable = true;
@@ -42,7 +45,9 @@
     buildOutputDir = "public";
     installCommand = "";
     buildCommand = "zola build";
-    extraBuildPackages = [ pkgs.zola ];
+    # 25.11 ships zola 0.21.0; the new [markdown.highlighting] section
+    # (light_theme/dark_theme/extra_themes) needs 0.22+. Pull from unstable.
+    extraBuildPackages = [ unstable.zola ];
     caddyConfig = ''
       root * /srv/website/repo/public
       encode zstd gzip