;;; ccwl --- Concise Common Workflow Language
;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of ccwl.
;;;
;;; ccwl is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; ccwl 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with ccwl.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; This script packages ccwl for GNU Guix.
;; 
;; Run the following command to enter a development environment for
;; ccwl:
;;
;;  $ guix environment -l guix.scm

;;; Code:

(use-modules (srfi srfi-1)
             (srfi srfi-26)
             (ice-9 match)
             (ice-9 popen)
             (ice-9 rdelim)
             (gnu packages autotools)
             (gnu packages bioinformatics)
             (gnu packages graphviz)
             (gnu packages guile)
             (gnu packages pkg-config)
             (gnu packages skribilo)
             (gnu packages texinfo)
             (guix build utils)
             (guix build-system gnu)
             (guix gexp)
             (guix packages)
             ((guix licenses) #:prefix license:))

(define %source-dir (dirname (current-filename)))

(define git-file?
  (let* ((pipe (with-directory-excursion %source-dir
                 (open-pipe* OPEN_READ "git" "ls-files")))
         (files (let loop ((lines '()))
                  (match (read-line pipe)
                    ((? eof-object?)
                     (reverse lines))
                    (line
                     (loop (cons line lines))))))
         (status (close-pipe pipe)))
    (lambda (file stat)
      (match (stat:type stat)
        ('directory
         #t)
        ((or 'regular 'symlink)
         (any (cut string-suffix? <> file) files))
        (_
         #f)))))

(package
  (name "ccwl")
  (version "0.1.0")
  (source (local-file %source-dir #:recursive? #t #:select? git-file?))
  (build-system gnu-build-system)
  (arguments
   '(#:make-flags '("GUILE_AUTO_COMPILE=0"))) ; to prevent guild warnings
  (inputs
   `(("guile" ,guile-3.0)))
  (native-inputs
   `(("autoconf" ,autoconf)
     ("automake" ,automake)
     ("pkg-config" ,pkg-config)
     ;; To build documentation
     ("cwltool" ,cwltool)
     ("graphviz" ,graphviz)
     ("skribilo" ,skribilo)))
  (home-page "https://git.systemreboot.net/ccwl")
  (synopsis "Concise common workflow language")
  (description "Concise common workflow language")
  (license license:gpl3+))