tvl-depot/users/glittershark/gws.fyi/orgExportHTML.nix
Griffin Smith 098bbb4d67 feat(gws.fyi): Make title work properly in index
This is remarkably silly, but it gets the job done

Change-Id: Ifbc57988a59c4f51a3bba0ed8ad397cb9855d8ab
Reviewed-on: https://cl.tvl.fyi/c/depot/+/423
Reviewed-by: glittershark <grfn@gws.fyi>
2020-06-16 03:19:50 +00:00

61 lines
1.4 KiB
Nix

{ pkgs ? import <nixpkgs> {}, ... }:
with pkgs;
with lib;
let
emacs-nixpkgs =
(import <nixpkgs> {
overlays = [(import (builtins.fetchTarball {
url = "https://github.com/nix-community/emacs-overlay/archive/54afb061bdd12c61bbfcc13bad98b7a3aab7d8d3.tar.gz";
sha256 = "0hrbg65d5h0cb0nky7a46md7vlvhajq1hf0328l2f7ln9hznqz6j";
}))];
});
emacs = (emacs-nixpkgs.emacsPackagesFor emacs-nixpkgs.emacsUnstable)
.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>' ""
''