feat(quiver): reposition URL comment in latex export

flake.lock

@@ -800,11 +800,11 @@
         "nixpkgs": "nixpkgs_10"
       },
       "locked": {
-        "lastModified": 1766962538,
-        "narHash": "sha256-313iDCii/tKr3UCPxCP2uzeH93Qk1cWbyrbU82dlF9Y=",
+        "lastModified": 1767975357,
+        "narHash": "sha256-MDVh3/aVhkD1bh/r8c0gs9DL4e78CrUbUxOZHWlCwLM=",
         "owner": "msyds",
         "repo": "sydpkgs",
-        "rev": "7a3eaf67885e23b7596bd1b91100e6f71d3bb985",
+        "rev": "233479ab277d47b1dbda202eafca50e61c659151",
         "type": "github"
       },
       "original": {

modules/nixos/deertopia/quiver.nix

@@ -4,12 +4,17 @@ let cfg = config.sydnix.deertopia.quiver;
 in {
   options.sydnix.deertopia.quiver = {
     enable = lib.mkEnableOption "Quiver, a commutative diagram editor";
+    package = lib.mkPackageOption sydpkgs.packages.${system} "quiver" {};
   };
 
   config = lib.mkIf cfg.enable {
     sydnix.deertopia.nginx.vhosts."q".vhost =
       let
-        package = sydpkgs.packages.${system}.quiver;
+	package = cfg.package.overrideAttrs (finalAttrs: prevAttrs: {
+	  patches = (prevAttrs.patches or []) ++ [
+	    ./quiver/move-export-url.patch
+	  ];
+	});
       in {
         forceSSL = true;
         enableACME = true;

modules/nixos/deertopia/quiver/move-export-url.patch

@@ -0,0 +1,26 @@
+diff --git a/src/quiver.mjs b/src/quiver.mjs
+index 4c303d9a4a..59fc5c637c 100644
+--- a/src/quiver.mjs
++++ b/src/quiver.mjs
+@@ -610,7 +610,9 @@
+             // `tikzcd` environment.
+             let tikzcd = `\\begin{tikzcd}${
+                 diagram_options.length > 0 ? `[${diagram_options.join(",")}]` : ""
+-            }\n${
++            }\n% ${
++	      QuiverImportExport.base64.export(quiver, settings, options, definitions).data
++	    }\n${
+                 output.length > 0 ? `${
+                     output.split("\n").map(line => `\t${line}`).join("\n")
+                 }\n` : ""
+@@ -622,9 +624,7 @@
+                 tikzcd = `\\documentclass[tikz]{standalone}\n\\usepackage{quiver}\n\\begin{document}\n${tikzcd}\n\\end{document}`;
+             }
+             // URL.
+-            return `% ${
+-                QuiverImportExport.base64.export(quiver, settings, options, definitions).data
+-            }\n${tikzcd}`;
++            return tikzcd;
+         };
+ 
+         // Early exit for empty quivers.