1 files changed, 54 insertions, 0 deletions
diff --git a/users/grfn/gws.fyi/orgExportHTML.nix b/users/grfn/gws.fyi/orgExportHTML.nix
new file mode 100644
index 0000000000..ad5a247958
--- /dev/null
+++ b/users/grfn/gws.fyi/orgExportHTML.nix
@@ -0,0 +1,54 @@
+{ pkgs, ... }:
+
+with pkgs;
+with lib;
+
+let
+
+  emacsWithPackages = (pkgs.emacsPackagesGen pkgs.emacs27).emacsWithPackages;
+
+  emacs = emacsWithPackages (p: with p; [
+    org
+  ]);
+
+in
+
+opts:
+
+let
+  src = if isAttrs opts then opts.src else opts;
+  headline = if isAttrs opts then opts.headline else null;
+
+  bn = builtins.baseNameOf src;
+  filename = elemAt (splitString "." bn) 0;
+
+  outName =
+    if isNull headline
+    then
+      let bn = builtins.baseNameOf src;
+          filename = elemAt (splitString "." bn) 0;
+      in filename + ".html"
+    else "${filename}-${replaceStrings [" "] ["-"] filename}.html";
+
+  escapeDoubleQuotes = replaceStrings ["\""] ["\\\""];
+
+  navToHeadline = optionalString (! isNull headline) ''
+    (search-forward "${escapeDoubleQuotes headline}")
+    (org-narrow-to-subtree)
+  '';
+
+in
+
+runCommand outName {} ''
+  cp ${src} file.org
+  echo "${emacs}/bin/emacs --batch"
+  ${emacs}/bin/emacs --batch \
+    --load ${./config.el} \
+    --visit file.org \
+    --eval "(progn
+      ${escapeDoubleQuotes navToHeadline}
+      (org-html-export-to-html))" \
+    --kill
+  substitute file.html $out \
+    --replace '<title>&lrm;</title>' ""
+''