;;; kolam --- GraphQL implementation
;;; Copyright © 2022 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of kolam.
;;;
;;; kolam is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU Affero General Public License as
;;; published by the Free Software Foundation; either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; kolam is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with kolam.  If not, see
;;; <http://www.gnu.org/licenses/>.

;;; Commentary:

;; This Emacs script generates the home page of the website from
;; README.org.

;;; Code:

(require 'ox-html)

(setq make-backup-files nil
      org-export-with-section-numbers nil
      org-export-with-sub-superscripts nil
      org-export-with-toc nil
      org-html-head "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />"
      org-html-head-include-default-style nil
      org-html-head-include-scripts nil
      org-html-postamble nil)

(defun org-dblock-write:releases (params)
  "Dynamically write releases block."
  (call-process "git" nil t nil
                "for-each-ref" "--sort=-taggerdate"
                (let ((release-file "./releases/kolam-%(refname:short).tar.lz"))
                  (format "--format=- %%(taggerdate:short) [[%s][%s]] [[%s.asc][GPG Signature]]"
                          release-file
                          (file-name-nondirectory release-file)
                          release-file))
                "refs/tags/v*")
  ;; Fix tarball filenames.
  (replace-string "kolam-v" "kolam-" nil nil nil t))

(defun build-website ()
  (with-current-buffer (find-file "README.org")
    (org-update-all-dblocks)
    (org-export-to-file 'html "website/index.html")))