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|
{ 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>‎</title>' ""
''
|