;;; guile-email --- Guile email parser
;;; Copyright © 2019, 2023–2024 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of guile-email.
;;;
;;; guile-email 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.
;;;
;;; guile-email 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 guile-email.  If not, see
;;; <http://www.gnu.org/licenses/>.

(define-module (guile-email-package)
  #:use-module ((gnu packages base) #:select (coreutils gnu-make))
  #:use-module ((gnu packages emacs) #:select (emacs-minimal))
  #:use-module ((gnu packages guile-xyz)
                #:select (guile-email guile2.2-email) #:prefix guix:)
  #:use-module ((gnu packages texinfo) #:select (texinfo))
  #:use-module (guix gexp)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix utils))

(define (make-guile-email base-package)
  (package
    (inherit base-package)
    (source (local-file ".."
                        "guile-email-checkout"
                        #:recursive? #t
                        #:select? (or (git-predicate (dirname (current-source-directory)))
                                      (const #t))))
    (arguments
     (substitute-keyword-arguments (package-arguments base-package)
       ((#:make-flags make-flags #~(list))
        #~(cons (string-append "prefix=" #$output)
                #$make-flags))
       ((#:phases phases #~%standard-phases)
        #~(modify-phases #$phases
            (delete 'configure)))))))

(define-public guile-email
  (make-guile-email guix:guile-email))

(define-public guile2.2-email
  (make-guile-email guix:guile2.2-email))

(define guile-email-website-gexp
  (with-imported-modules '((guix build utils))
    #~(begin
        (use-modules (guix build utils))

        (set-path-environment-variable
         "PATH" (list "/bin") (list #$coreutils #$emacs-minimal
                                    #$gnu-make #$texinfo))
        (copy-recursively #$(package-source guile-email)
                          (getcwd))
        (invoke "make" "website")
        (copy-recursively "website" #$output))))

(define-public guile-email-website
  (computed-file "guile-email-website" guile-email-website-gexp))

guile-email