(define-module (xyz euandreh docs)
  #:use-module (gnu packages base)
  #:use-module (gnu packages compression)
  #:use-module (guix licenses)
  #:use-module (guix download)
  #:use-module (guix packages)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial))

(define-public posix-man-pages
  (package
    (name "posix-man-pages")
    (version "2017-a")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://kernel.org/linux/docs/man-pages/man-pages-posix/man-pages-posix-" version ".tar.xz"))
              (sha256
               (base32
                "1hwb65h9c7y8c69jiyhs0nphzisb7yl0br3jszd212q4nljvnryf"))))
    (build-system gnu-build-system)
    (arguments
     `(#:make-flags
       (list (string-append "prefix=" %output))
       #:tests? #f
       #:phases
       (modify-phases %standard-phases
         (delete 'configure))))
    (home-page "https://www.kernel.org/doc/man-pages/download.html")
    (synopsis "POSIX manual pages sections 0p, 1p and 3p")
    (description
     "This package provides the reference POSIX version of Unix \"man pages\"
documenting the specification.")
    (license gpl2+))) ;; FIXME

(define-public rfcs
  (package
    (name "rfcs")
    (version "singleton")
    (source (origin
              (method url-fetch)
              (uri "https://www.rfc-editor.org/in-notes/tar/RFC-all.tar.gz")
              (sha256
               (base32
                "0lhmvf1qsryf19pl9pk9k8431crq70xz5hcrlifs9srbr3ig3qkc"))))
    (build-system trivial-build-system)
    (native-inputs (list tar gzip))
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils)
                      (ice-9 string-fun))
         (let* ((source (assoc-ref %build-inputs "source"))
                (tar (string-append (assoc-ref %build-inputs "tar") "/bin/tar"))
                (out (assoc-ref %outputs "out"))
                (man (string-append out "/share/man/man7rfc/")))
           (setenv "PATH" (string-append (assoc-ref %build-inputs "gzip") "/bin"))
           (invoke tar "-xvf" source)
           (mkdir-p man)
           (define (rename-extension s)
             (string-replace-substring s ".txt" ".7rfc"))
           (for-each (lambda (f)
                       (format #t "Copying file: ~a~%" f)
                       (copy-file f (string-append man (rename-extension f))))
                     (find-files "." "^rfc[0-9]+.txt$"))))))
    (home-page "https://www.rfc-editor.org/")
    (synopsis "The RFC technical and organizational documents about the Internet")
    (description
     "This package provies reference RFC (Request For Comments) documents.")
    (license gpl2+))) ;; FIXME


(list
 posix-man-pages
 rfcs)