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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015, 2017 Christopher Allan Webber <cwebber@dustycloud.org>
;;; Copyright © 2016 Alex Sassmannshausen <alex@pompo.co>
;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 Erik Edrosa <erik.edrosa@gmail.com>
;;; Copyright © 2016 Eraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016, 2017 Alex Kost <alezost@gmail.com>
;;; Copyright © 2016, 2017 Adonay "adfeno" Felipe Nogueira <https://libreplanet.org/wiki/User:Adfeno> <adfeno@openmailbox.org>
;;; Copyright © 2016 Amirouche <amirouche@hypermove.net>
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2017 Andy Wingo <wingo@igalia.com>
;;; Copyright © 2017 David Thompson <davet@gnu.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Theodoros Foradis <theodoros@foradis.org>
;;; Copyright © 2017 ng0 <ng0@infotropique.org>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages guile)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages)
  #:use-module (gnu packages admin) ;;for tree
  #:use-module (gnu packages aspell)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages bdw-gc)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages gawk)
  #:use-module (gnu packages gperf)
  #:use-module (gnu packages libffi)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages libunistring)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages m4)
  #:use-module (gnu packages multiprecision)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages ed)
  #:use-module (gnu packages base)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages man)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages python)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages sdl)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages image)
  #:use-module (gnu packages version-control)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xorg)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (guix utils)
  #:use-module (ice-9 match)
  #:use-module ((srfi srfi-1) #:prefix srfi-1:))

;;; Commentary:
;;;
;;; GNU Guile, and modules and extensions.
;;;
;;; Code:

(define-public guile-1.8
  (package
   (name "guile")
   (version "1.8.8")
   (source (origin
            (method url-fetch)
            (uri (string-append "mirror://gnu/guile/guile-" version
                                ".tar.gz"))
            (sha256
             (base32
              "0l200a0v7h8bh0cwz6v7hc13ds39cgqsmfrks55b1rbj5vniyiy3"))
            (patches (search-patches "guile-1.8-cpp-4.5.patch"))))
   (build-system gnu-build-system)
   (arguments '(#:configure-flags '("--disable-error-on-warning")

                ;; Insert a phase before `configure' to patch things up.
                #:phases
                (modify-phases %standard-phases
                  (add-before 'configure 'patch-stuff
                    (lambda* (#:key outputs #:allow-other-keys)
                      ;; Add a call to `lt_dladdsearchdir' so that
                      ;; `libguile-readline.so' & co. are in the
                      ;; loader's search path.
                      (substitute* "libguile/dynl.c"
                        (("lt_dlinit.*$" match)
                         (format #f
                                 "  ~a~%  lt_dladdsearchdir(\"~a/lib\");~%"
                                 match
                                 (assoc-ref outputs "out"))))

                      ;; The usual /bin/sh...
                      (substitute* "ice-9/popen.scm"
                        (("/bin/sh") (which "sh")))
                      #t)))))
   (inputs `(("gawk" ,gawk)
             ("readline" ,readline)))

   ;; Since `guile-1.8.pc' has "Libs: ... -lgmp -lltdl", these must be
   ;; propagated.
   (propagated-inputs `(("gmp" ,gmp)
                        ("libltdl" ,libltdl)))

   ;; When cross-compiling, a native version of Guile itself is needed.
   (self-native-input? #t)

   (native-search-paths
    (list (search-path-specification
           (variable "GUILE_LOAD_PATH")
           (files '("share/guile/site")))))

   (synopsis "Scheme implementation intended especially for extensions")
   (description
    "Guile is the GNU Ubiquitous Intelligent Language for Extensions, the
official extension language of the GNU system.  It is an implementation of
the Scheme language which can be easily embedded in other applications to
provide a convenient means of extending the functionality of the application
without requiring the source code to be rewritten.")
   (home-page "https://www.gnu.org/software/guile/")
   (license license:lgpl2.0+)))

(define-public guile-2.0
  (package
   (name "guile")
   (version "2.0.14")
   (source (origin
            (method url-fetch)
            (uri (string-append "mirror://gnu/guile/guile-" version
                                ".tar.xz"))
            (sha256
             (base32
              "10lxc6l5alf3lzbs3ihnbfy6dfcrsyf8667wa57f26vf4mk2ai78"))))
   (build-system gnu-build-system)
   (native-inputs `(("pkgconfig" ,pkg-config)))
   (inputs `(("libffi" ,libffi)
             ("readline" ,readline)
             ,@(libiconv-if-needed)

             ;; We need Bash when cross-compiling because some of the scripts
             ;; in bin/ refer to it.  Use 'bash-minimal' because we don't need
             ;; an interactive Bash with Readline and all.
             ,@(if (target-mingw?) '() `(("bash" ,bash-minimal)))))
   (propagated-inputs
    `( ;; These ones aren't normally needed here, but since `libguile-2.0.la'
       ;; reads `-lltdl -lunistring', adding them here will add the needed
       ;; `-L' flags.  As for why the `.la' file lacks the `-L' flags, see
       ;; <http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/18903>.
      ("libunistring" ,libunistring)

      ;; Depend on LIBLTDL, not LIBTOOL.  That way, we avoid some the extra
      ;; dependencies that LIBTOOL has, which is helpful during bootstrap.
      ("libltdl" ,libltdl)

      ;; The headers and/or `guile-2.0.pc' refer to these packages, so they
      ;; must be propagated.
      ("bdw-gc" ,libgc)
      ("gmp" ,gmp)))

   (self-native-input? #t)

   (outputs '("out" "debug"))

   (arguments
    `(#:configure-flags '("--disable-static")     ;saves 3MiB
      #:phases (alist-cons-before
                'configure 'pre-configure
                (lambda* (#:key inputs #:allow-other-keys)
                  ;; Tell (ice-9 popen) the file name of Bash.
                  (let ((bash (assoc-ref inputs "bash")))
                    (substitute* "module/ice-9/popen.scm"
                      ;; If bash is #f allow fallback for user to provide
                      ;; "bash" in PATH.  This happens when cross-building to
                      ;; MinGW for which we do not have Bash yet.
                      (("/bin/sh")
                       ,@(if (target-mingw?)
                             '((if bash
                                   (string-append bash "/bin/bash")
                                   "bash"))
                             '((string-append bash "/bin/bash")))))))
                %standard-phases)))

   (native-search-paths
    (list (search-path-specification
           (variable "GUILE_LOAD_PATH")
           (files '("share/guile/site/2.0")))
          (search-path-specification
           (variable "GUILE_LOAD_COMPILED_PATH")
           (files '("lib/guile/2.0/site-ccache"
                    "share/guile/site/2.0")))))

   (synopsis "Scheme implementation intended especially for extensions")
   (description
    "Guile is the GNU Ubiquitous Intelligent Language for Extensions, the
official extension language of the GNU system.  It is an implementation of
the Scheme language which can be easily embedded in other applications to
provide a convenient means of extending the functionality of the application
without requiring the source code to be rewritten.")
   (home-page "https://www.gnu.org/software/guile/")
   (license license:lgpl3+)))

(define-public guile-2.2
  (package (inherit guile-2.0)
    (name "guile")
    (version "2.2.2")                      ;TODO: Update to 2.2.3 (see below).
    (source (origin
              (method url-fetch)

              ;; Note: we are limited to one of the compression formats
              ;; supported by the bootstrap binaries, so no lzip here.
              (uri (string-append "mirror://gnu/guile/guile-" version
                                  ".tar.xz"))
              (sha256
               (base32
                "1azm25zcmxif0skxfrp11d2wc89nrzpjaann9yxdw6pvjxhs948w"))
              (modules '((guix build utils)))

              ;; Remove the pre-built object files.  Instead, build everything
              ;; from source, at the expense of significantly longer build
              ;; times (almost 3 hours on a 4-core Intel i5).
              (snippet '(for-each delete-file
                                  (find-files "prebuilt" "\\.go$")))))
    (properties '((timeout . 72000)               ;20 hours
                  (max-silent-time . 36000)))     ;10 hours (needed on ARM
                                                  ;  when heavily loaded)
    (native-search-paths
     (list (search-path-specification
            (variable "GUILE_LOAD_PATH")
            (files '("share/guile/site/2.2")))
           (search-path-specification
            (variable "GUILE_LOAD_COMPILED_PATH")
            (files '("lib/guile/2.2/site-ccache"
                     "share/guile/site/2.2")))))))

(define-public guile-2.2.3
  ;; TODO: Make it the new 'guile-2.2' on the next rebuild cycle.
  (package
    (inherit guile-2.2)
    (version "2.2.3")
    (source (origin (inherit (package-source guile-2.2))
                    (uri (list (string-append "mirror://gnu/guile/guile-"
                                              version ".tar.xz")
                               (string-append
                                "https://wingolog.org/priv/guile-"
                                version ".tar.xz")))
                    (sha256
                     (base32
                      "11j01agvnci2cx32wwpqs9078856yxmvs15gcsz7ganpkj2ahlw3"))))))

(define-public guile-2.2/fixed
  ;; A package of Guile 2.2 that's rarely changed.  It is the one used
  ;; in the `base' module, and thus changing it entails a full rebuild.
  (package
    (inherit guile-2.2)
    (properties '((hidden? . #t)            ;people should install 'guile-2.2'
                  (timeout . 72000)            ;20 hours
                  (max-silent-time . 36000)))  ;10 hours (needed on ARM
                                               ;  when heavily loaded)
    (replacement #f)))

(define-public guile-next
  (deprecated-package "guile-next" guile-2.2))

(define (guile-variant-package-name prefix)
  (lambda (name)
    "Return NAME with PREFIX instead of \"guile-\", when applicable."
    (if (string-prefix? "guile-" name)
        (string-append prefix "-"
                       (string-drop name
                                    (string-length "guile-")))
        name)))

(define package-for-guile-2.2
  ;; A procedure that rewrites the dependency tree of the given package to use
  ;; GUILE-2.2 instead of GUILE-2.0.
  (package-input-rewriting `((,guile-2.0 . ,guile-2.2))
                           (guile-variant-package-name "guile2.2")))

(define package-for-guile-2.0
  ;; Likewise, but the other way around.  :-)
  (package-input-rewriting `((,guile-2.2 . ,guile-2.0))
                           (guile-variant-package-name "guile2.0")))

(define-public guile-for-guile-emacs
  (package (inherit guile-2.2)
    (name "guile-for-guile-emacs")
    (version "20150510.d8d9a8d")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "git://git.hcoop.net/git/bpt/guile.git")
                    (commit "d8d9a8da05ec876acba81a559798eb5eeceb5a17")))
              (file-name (string-append name "-" version "-checkout"))
              (sha256
               (base32
                "00sprsshy16y8pxjy126hr2adqcvvzzz96hjyjwgg8swva1qh6b0"))))
    (arguments
     (substitute-keyword-arguments `(;; Tests aren't passing for now.
                                     ;; Obviously we should re-enable this!
                                     #:tests? #f
                                     ,@(package-arguments guile-2.2))
       ((#:phases phases)
        `(modify-phases ,phases
           (add-after 'unpack 'autogen
                      (lambda _
                        (zero? (system* "sh" "autogen.sh"))))
           (add-before 'autogen 'patch-/bin/sh
                       (lambda _
                         (substitute* "build-aux/git-version-gen"
                           (("#!/bin/sh") (string-append "#!" (which "sh"))))
                         #t))))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("libtool" ,libtool)
       ("flex" ,flex)
       ("texinfo" ,texinfo)
       ("gettext" ,gettext-minimal)
       ,@(package-native-inputs guile-2.2)))
    ;; Same as in guile-2.0
    (native-search-paths
     (list (search-path-specification
            (variable "GUILE_LOAD_PATH")
            (files '("share/guile/site/2.0")))
           (search-path-specification
            (variable "GUILE_LOAD_COMPILED_PATH")
            (files '("lib/guile/2.0/site-ccache"
                     "share/guile/site/2.0")))))))

;; There has not been any release yet.
(define-public guildhall
  (let ((commit "2fe2cc539f4b811bbcd69e58738db03eb5a2b778")
        (revision "1"))
    (package
      (name "guildhall")
      (version (string-append "0-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/ijp/guildhall.git")
                      (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "115bym7bg66h3gs399yb2vkzc2ygriaqsn4zbrg8f054mgy8wzn1"))))
      (build-system gnu-build-system)
      (arguments
       `(#:phases
         (modify-phases %standard-phases
           ;; Tests fail without this fix because they try to load the bash
           ;; executable as a Scheme file.  See bug report at
           ;; https://github.com/ijp/guildhall/issues/22
           (add-after 'unpack 'fix-bug-22
             (lambda _
               (substitute* "Makefile.am"
                 (("TESTS_ENVIRONMENT=.*")
                  "AM_TESTS_ENVIRONMENT=srcdir=$(abs_top_srcdir)/tests/
TEST_EXTENSIONS = .scm
SCM_LOG_COMPILER= $(top_builddir)/env $(GUILE)
AM_SCM_LOG_FLAGS =  --no-auto-compile -s")
                 ;; FIXME: one of the database tests fails for unknown
                 ;; reasons.  It does not fail when run outside of Guix.
                 (("tests/database.scm") ""))
               #t))
           (add-after 'fix-bug-22 'autogen
             (lambda _
               (zero? (system* "sh" "autogen.sh")))))))
      (inputs
       `(("guile" ,guile-2.0)))
      (native-inputs
       `(("zip" ,zip) ; for tests
         ("autoconf" ,autoconf)
         ("automake" ,automake)
         ("texinfo" ,texinfo)))
      (synopsis "Package manager for Guile")
      (description
       "Guildhall is a package manager written for Guile Scheme.  A guild is
an association of independent craftspeople.  A guildhall is where they meet.
This Guildhall aims to make a virtual space for Guile wizards and journeyfolk
to share code.

On a practical level, Guildhall lets you share Scheme modules and programs
over the internet, and install code that has been shared by others.  Guildhall
can handle dependencies, so when a program requires several libraries, and
each of those has further dependencies, all of the prerequisites for the
program can be installed in one go.")
      (home-page "https://github.com/ijp/guildhall")
      (license license:gpl3+))))

\f
;;;
;;; Extensions.
;;;

(define-public artanis
  (let ((release "0.2.1")
	(revision 3))
    (package
      (name "artanis")
      (version (if (zero? revision)
                   release
                   (string-append release "-"
                                  (number->string revision))))
      (source (origin
                (method url-fetch)
                (uri (string-append "mirror://gnu/artanis/artanis-"
                                    release ".tar.gz"))
                (file-name (string-append name "-" version ".tar.gz"))
                (sha256
                 (base32
                  "041ajcg2pz918kd9iqcj4inpzddc3impvz3r2nhlpbv8zrz011hn"))
                (modules '((guix build utils)))
                (snippet
                 '(begin
                    (delete-file-recursively "artanis/third-party/json.scm")
                    (delete-file-recursively "artanis/third-party/json")
                    (substitute* '("artanis/artanis.scm"
                                   "artanis/oht.scm")
                      (("(#:use-module \\()artanis third-party (json\\))" _
                        use-module json)
                       (string-append use-module json)))
                    (substitute* "artanis/oht.scm"
                      (("([[:punct:][:space:]]+)(->json-string)([[:punct:][:space:]]+)"
                        _ pre json-string post)
                       (string-append pre
                                      "scm" json-string
                                      post)))
                    (substitute* "artanis/artanis.scm"
                      (("[[:punct:][:space:]]+->json-string[[:punct:][:space:]]+")
                       ""))))))
      (build-system gnu-build-system)
      ;; TODO: Add guile-dbi and guile-dbd optional dependencies.
      (inputs `(("guile" ,guile-2.2)
                ("guile-json" ,guile-json)))
      (native-inputs `(("bash"       ,bash)         ;for the `source' builtin
                       ("pkgconfig"  ,pkg-config)
                       ("util-linux" ,util-linux))) ;for the `script' command
      (arguments
       '(#:make-flags
         ;; TODO: The documentation must be built with the `docs' target.
         (let* ((out (assoc-ref %outputs "out"))
                (scm (string-append out "/share/guile/site/2.2"))
                (go  (string-append out "/lib/guile/2.2/site-ccache")))
           ;; Don't use (%site-dir) for site paths.
           (list (string-append "MOD_PATH=" scm)
                 (string-append "MOD_COMPILED_PATH=" go)))
         #:test-target "test"
         #:phases
         (modify-phases %standard-phases
           (add-before 'install 'substitute-root-dir
             (lambda* (#:key outputs #:allow-other-keys)
               (let ((out  (assoc-ref outputs "out")))
                 (substitute* "Makefile"   ;ignore the execution of bash.bashrc
                   ((" /etc/bash.bashrc") " /dev/null"))
                 (substitute* "Makefile"   ;set the root of config files to OUT
                   ((" /etc") (string-append " " out "/etc")))
                 (mkdir-p (string-append out "/bin")) ;for the `art' executable
                 #t)))
           (add-after 'install 'wrap-art
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (bin (string-append out "/bin"))
                      (scm (string-append out "/share/guile/site/2.2"))
                      (go  (string-append out "/lib/guile/2.2/site-ccache")))
                 (wrap-program (string-append bin "/art")
                   `("GUILE_LOAD_PATH" ":" prefix (,scm))
                   `("GUILE_LOAD_COMPILED_PATH" ":" prefix (,go)))
                 #t))))))
      (synopsis "Web application framework written in Guile")
      (description "GNU Artanis is a web application framework written in Guile
Scheme.  A web application framework (WAF) is a software framework that is
designed to support the development of dynamic websites, web applications, web
services and web resources.  The framework aims to alleviate the overhead
associated with common activities performed in web development.  Artanis
provides several tools for web development: database access, templating
frameworks, session management, URL-remapping for RESTful, page caching, and
more.")
      (home-page "https://www.gnu.org/software/artanis/")
      (license (list license:gpl3+ license:lgpl3+))))) ;dual license

(define-public guile-reader
  (package
    (name "guile-reader")
    (version "0.6.2")
    (source  (origin
               (method url-fetch)
               (uri (string-append "mirror://savannah/guile-reader/guile-reader-"
                                   version ".tar.gz"))
               (sha256
                (base32
                 "0592s2s8ampqmqwilc4fvcild6rb9gy79di6vxv5kcdmv23abkgx"))))
    (build-system gnu-build-system)
    (native-inputs `(("pkgconfig" ,pkg-config)
                     ("gperf" ,gperf-3.0)))
    (inputs `(("guile" ,guile-2.2)))
    (synopsis "Framework for building readers for GNU Guile")
    (description
     "Guile-Reader is a simple framework for building readers for GNU Guile.

The idea is to make it easy to build procedures that extend Guile’s read
procedure.  Readers supporting various syntax variants can easily be written,
possibly by re-using existing “token readers” of a standard Scheme
readers.  For example, it is used to implement Skribilo’s R5RS-derived
document syntax.

Guile-Reader’s approach is similar to Common Lisp’s “read table”, but
hopefully more powerful and flexible (for instance, one may instantiate as
many readers as needed).")
    (home-page "https://www.nongnu.org/guile-reader/")
    (license license:gpl3+)))

(define-public guile2.0-reader
  (package-for-guile-2.0 guile-reader))
(define-public guile2.2-reader
  (deprecated-package "guile2.2-reader" guile-reader))

(define-public guile-ncurses
  (package
    (name "guile-ncurses")
    (version "2.2")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/guile-ncurses/guile-ncurses-"
                                 version ".tar.gz"))
             (sha256
              (base32
               "1wvggbr4xv8idh1hzd8caj4xfp4pln78a7w1wqzd4zgzwmnzxr2f"))))
    (build-system gnu-build-system)
    (inputs `(("ncurses" ,ncurses)
              ("guile" ,guile-2.2)))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (arguments
     '(#:configure-flags (list "--with-ncursesw"  ; Unicode support
                               "--with-gnu-filesystem-hierarchy")
       #:phases
       (modify-phases %standard-phases
         (add-before 'build 'fix-libguile-ncurses-file-name
           (lambda* (#:key outputs #:allow-other-keys)
             (and (zero? (system* "make" "install"
                                  "-C" "src/ncurses"
                                  "-j" (number->string
                                        (parallel-job-count))))
                  (let* ((out   (assoc-ref outputs "out"))
                         (dir   "src/ncurses")
                         (files (find-files dir ".scm")))
                    (substitute* files
                      (("\"libguile-ncurses\"")
                       (format #f "\"~a/lib/guile/2.2/libguile-ncurses\""
                               out)))
                    #t)))))))
    (home-page "https://www.gnu.org/software/guile-ncurses/")
    (synopsis "Guile bindings to ncurses")
    (description
     "guile-ncurses provides Guile language bindings for the ncurses
library.")
    (license license:lgpl3+)))

(define-public guile-ncurses/gpm
  (package
    (inherit guile-ncurses)
    (name "guile-ncurses-with-gpm")
    (inputs `(("ncurses" ,ncurses/gpm)
              ("guile" ,guile-2.2)))))

(define-public mcron
  (package
    (name "mcron")
    (version "1.0.8")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/mcron/mcron-"
                                 version ".tar.gz"))
             (sha256
              (base32
               "0zparwgf01jgl1x53ik71ghabldq6zz18ha4dscps1i0qrzgap1b"))
             (patches (search-patches "mcron-install.patch"))))
    (build-system gnu-build-system)
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("ed" ,ed) ("which" ,which) ("guile" ,guile-2.0)))
    (home-page "https://www.gnu.org/software/mcron/")
    (synopsis "Run jobs at scheduled times")
    (description
     "GNU Mcron is a complete replacement for Vixie cron.  It is used to run
tasks on a schedule, such as every hour or every Monday.  Mcron is written in
Guile, so its configuration can be written in Scheme; the original cron
format is also supported.")
    (license license:gpl3+)))

(define-public mcron2
  ;; This is mthl's mcron development branch, not yet merged in mcron.
  (let ((commit "31baff1a5187d8ddc89324cbe42dbeffc309c962"))
    (package
      (inherit mcron)
      (name "mcron2")
      (version (string-append (package-version mcron) "-0."
                              (string-take commit 7)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://notabug.org/mthl/mcron/")
                      (commit commit)))
                (sha256
                 (base32
                  "1h5wxy997hxi718hpx419c23q09939kbxrjbbq54lv0cgw1bb63z"))
                (file-name (string-append name "-" version "-checkout"))))
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("pkg-config" ,pkg-config)
         ("texinfo" ,texinfo)
         ("help2man" ,help2man)))
      (inputs
       `(("guile-2.2" ,guile-2.2)
         ,@(srfi-1:alist-delete "guile" (package-inputs mcron))))
      (arguments
       `(#:modules ((ice-9 match) (ice-9 ftw)
                    ,@%gnu-build-system-modules)
         ;; When building the targets in parallel, help2man tries to generate
         ;; the manpage from ./cron --help before it is built, which fails.
         #:parallel-build? #f
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'use-guile-2.2
             (lambda _
               (substitute* "configure.ac"
                 (("PKG_CHECK_MODULES\\(\\[GUILE\\],.*$")
                  "PKG_CHECK_MODULES([GUILE], [guile-2.2])\n")
                 (("guile/site/2.0")
                  "guile/site/2.2"))
               #t))
           (add-after 'use-guile-2.2 'bootstrap
             (lambda _
               (invoke "autoreconf" "-vfi")))
           (add-after 'install 'wrap-mcron
             (lambda* (#:key outputs #:allow-other-keys)
               ;; Wrap the 'mcron' command to refer to the right
               ;; modules.
               (let* ((out  (assoc-ref outputs "out"))
                      (bin  (string-append out "/bin"))
                      (site (string-append
                             out "/share/guile/site")))
                 (match (scandir site)
                   (("." ".." version)
                    (let ((modules (string-append site "/" version)))
                      (wrap-program (string-append bin "/mcron")
                        `("GUILE_LOAD_PATH" ":" prefix
                          (,modules))
                        `("GUILE_LOAD_COMPILED_PATH" ":" prefix
                          (,modules)))
                      #t))))))))))))

(define-public guile-ics
  (package
    (name "guile-ics")
    (version "0.1.1")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/artyom-poptsov/guile-ics")
                    (commit "v0.1.1")))
              (file-name (string-append name "-" version "-checkout"))
              (sha256
               (base32
                "1pvg6j48inpbq47hq00yh5hhl2qd2srvrx5yjl7w7ky1jsjadp86"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (add-after 'unpack 'autoreconf
                    (lambda _
                      ;; Repository comes with a broken symlink
                      (delete-file "README")
                      (symlink "README.org" "README")
                      (zero? (system* "autoreconf" "-fi")))))))
    (native-inputs
     `(("autoconf" ,(autoconf-wrapper))
       ("automake" ,automake)
       ("texinfo" ,texinfo)
       ;; Gettext brings 'AC_LIB_LINKFLAGS_FROM_LIBS'.
       ("gettext" ,gettext-minimal)
       ("pkg-config" ,pkg-config)))
    (inputs `(("guile" ,guile-2.0) ("which" ,which)))
    (propagated-inputs `(("guile-lib" ,guile2.0-lib)))
    (home-page "https://github.com/artyom-poptsov/guile-ics")
    (synopsis "Guile parser library for the iCalendar format")
    (description
     "Guile-ICS is an iCalendar (RFC5545) format parser library written in
pure Scheme.  The library can be used to read and write iCalendar data.

The library is shipped with documentation in Info format and usage examples.")
    (license license:gpl3+)))

(define-public guile-lib
  (package
    (name "guile-lib")
    (version "0.2.5.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/guile-lib/guile-lib-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "19q420i3is3d4jmkdqs5y7ir7ipp4s795saflqgwf6617cx2zpj4"))))
    (build-system gnu-build-system)
    (arguments
     '(#:make-flags
       '("GUILE_AUTO_COMPILE=0")        ;to prevent guild errors
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'patch-module-dir
           (lambda _
             (substitute* "src/Makefile.in"
               (("^moddir = ([[:graph:]]+)")
                "moddir = $(datadir)/guile/site/@GUILE_EFFECTIVE_VERSION@\n")
               (("^godir = ([[:graph:]]+)")
                "godir = \
$(libdir)/guile/@GUILE_EFFECTIVE_VERSION@/site-ccache\n"))
             #t)))))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("guile" ,guile-2.2)))
    (home-page "https://www.nongnu.org/guile-lib/")
    (synopsis "Collection of useful Guile Scheme modules")
    (description
     "Guile-Lib is intended as an accumulation place for pure-scheme Guile
modules, allowing for people to cooperate integrating their generic Guile
modules into a coherent library.  Think \"a down-scaled, limited-scope CPAN
for Guile\".")

    ;; The whole is under GPLv3+, but some modules are under laxer
    ;; distribution terms such as LGPL and public domain.  See `COPYING' for
    ;; details.
    (license license:gpl3+)))

(define-public guile2.0-lib
  (package-for-guile-2.0 guile-lib))

(define-public guile2.2-lib
  (deprecated-package "guile2.2-lib" guile-lib))

(define-public guile-json
  (package
    (name "guile-json")
    (version "0.6.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/guile-json/guile-json-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1qmjg7lbgciw95fkdzvlp9f68vv17kdjky42ywfzd4ffzwww0lgc"))
              (modules '((guix build utils)))
              (snippet
               ;; Make sure everything goes under .../site/X.Y, like Guile's
               ;; search paths expects.
               '(begin
                  (substitute* "configure"
                    (("ac_subst_vars='")
                     "ac_subst_vars='GUILE_EFFECTIVE_VERSION\n"))
                  (substitute* '("Makefile.in" "json/Makefile.in")
                    (("moddir =.*/share/guile/site" all)
                     (string-append all "/@GUILE_EFFECTIVE_VERSION@")))))))
    (build-system gnu-build-system)
    (native-inputs `(("guile" ,guile-2.2)))
    (home-page "https://savannah.nongnu.org/projects/guile-json/")
    (synopsis "JSON module for Guile")
    (description
     "Guile-JSON supports parsing and building JSON documents according to the
specification.  These are the main features:

@itemize
@item Strictly complies to @uref{http://json.org, specification}.
@item Build JSON documents programmatically via macros.
@item Unicode support for strings.
@item Allows JSON pretty printing.
@end itemize\n")
    (license license:lgpl3+)))

(define-public guile2.2-json
  (deprecated-package "guile2.2-json" guile-json))

(define-public guile2.0-json
  (package-for-guile-2.0 guile-json))

(define-public guile-minikanren
  (package
    (name "guile-minikanren")
    (version "20150424.e844d85")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/ijp/minikanren.git")
                    (commit "e844d85512f8c055d3f96143ee506007389a25e3")))
              (file-name (string-append name "-" version "-checkout"))
              (sha256
               (base32
                "0r50jlpzi940jlmxyy3ddqqwmj5r12gb4bcv0ssini9v8km13xz6"))))
    (build-system trivial-build-system)
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils)
                      (ice-9 match)
                      (ice-9 popen)
                      (ice-9 rdelim))

         (let* ((out (assoc-ref %outputs "out"))
                (guile (assoc-ref %build-inputs "guile"))
                (effective (read-line
                            (open-pipe* OPEN_READ
                                        (string-append guile "/bin/guile")
                                        "-c" "(display (effective-version))")))
                (module-dir (string-append out "/share/guile/site/"
                                           effective))
                (source (assoc-ref %build-inputs "source"))
                (doc (string-append out "/share/doc/guile-minikanren"))
                (scm-files '("minikanren.scm"
                             "minikanren/mkextraforms.scm"
                             "minikanren/mkprelude.scm"
                             "minikanren/mk.scm"))
                (guild (string-append (assoc-ref %build-inputs "guile")
                                      "/bin/guild")))
           ;; Make installation directories.
           (mkdir-p (string-append module-dir "/minikanren"))
           (mkdir-p doc)

           ;; Compile .scm files and install.
           (chdir source)
           (setenv "GUILE_AUTO_COMPILE" "0")
           (for-each (lambda (file)
                       (let* ((dest-file (string-append module-dir "/"
                                                        file))
                              (go-file (match (string-split file #\.)
                                         ((base _)
                                          (string-append module-dir "/"
                                                         base ".go")))))
                         ;; Install source module.
                         (copy-file file dest-file)
                         ;; Install compiled module.
                         (unless (zero? (system* guild "compile"
                                                 "-L" source
                                                 "-o" go-file
                                                 file))
                           (error (format #f "Failed to compile ~s to ~s!"
                                          file go-file)))))
                     scm-files)

           ;; Also copy over the README.
           (install-file "README.org" doc)
           #t))))
    (inputs
     `(("guile" ,guile-2.0)))
    (home-page "https://github.com/ijp/minikanren")
    (synopsis "MiniKanren declarative logic system, packaged for Guile")
    (description
     "MiniKanren is a relational programming extension to the Scheme
programming Language, written as a smaller version of Kanren suitable for
pedagogical purposes.  It is featured in the book, The Reasoned Schemer,
written by Dan Friedman, William Byrd, and Oleg Kiselyov.

This is Ian Price's r6rs packaged version of miniKanren, which deviates
slightly from miniKanren mainline.

See http://minikanren.org/ for more on miniKanren generally.")
    (license license:expat)))

(define-public guile2.2-minikanren
  (package-for-guile-2.2 guile-minikanren))

(define-public guile-miniadapton
  (let ((commit "1b5749422304567c96ac5367f2221dda9eff5880")
        (revision "1"))
    (package
      (name "guile-miniadapton")
      (version (string-append "0-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/fisherdj/miniAdapton.git")
                      (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "09q51zkw2fypad5xixskfzw2cjhjgs5cswdp3i7cpp651rb3zndh"))))
      (build-system gnu-build-system)
      (arguments
       `(#:modules ((guix build utils)
                    (ice-9 popen)
                    (ice-9 rdelim)
                    (srfi srfi-1)
                    (guix build gnu-build-system))
         #:tests? #f                    ; there is no test target
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (delete 'build)
           (replace 'install
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((cwd        (getcwd))
                      (scm-files  (find-files "." "\\.scm$"))
                      (effective  (read-line
                                   (open-pipe* OPEN_READ
                                               "guile" "-c"
                                               "(display (effective-version))")))
                      (module-dir (string-append (assoc-ref outputs "out")
                                                 "/share/guile/site/"
                                                 effective)))

                 ;; Make installation directories.
                 (mkdir-p module-dir)

                 (setenv "GUILE_AUTO_COMPILE" "0")

                 ;; Compile .scm files and install.
                 (every (lambda (file)
                          (let ((go-file (string-append module-dir "/"
                                                        (basename file ".scm") ".go")))
                            ;; Install source module.
                            (install-file file module-dir)
                            ;; Compile and install module.
                            (zero? (system* "guild" "compile" "-L" cwd
                                            "-o" go-file file))))
                        scm-files)))))))
      (inputs
       `(("guile" ,guile-2.2)))
      (home-page "https://github.com/fisherdj/miniAdapton")
      (synopsis "Minimal implementation of incremental computation in Guile
Scheme")
      (description "This package provides a complete Scheme implementation of
miniAdapton, which implements the core functionality of the Adapton system for
incremental computation (also known as self-adjusting computation).  Like
Adapton, miniAdapton allows programmers to safely combine mutation and
memoization.  miniAdapton is built on top of an even simpler system,
microAdapton.  Both miniAdapton and microAdapton are designed to be easy to
understand, extend, and port to host languages other than Scheme.")
      (license license:expat))))

(define-public guile-irregex
  (package
    (name "guile-irregex")
    (version "0.9.6")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://synthcode.com/scheme/irregex/irregex-"
                    version ".tar.gz"))
              (sha256
               (base32
                "1ia3m7dp3lcxa048q0gqbiwwsyvn99baw6xkhb4bhhzn4k7bwyqq"))))
    (build-system gnu-build-system)
    (arguments
     `(#:modules ((guix build utils)
                  (ice-9 match)
                  (ice-9 rdelim)
                  (ice-9 popen)
                  (guix build gnu-build-system))
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (delete 'build)
         (delete 'check)
         (replace 'install
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (effective (read-line
                                (open-pipe* OPEN_READ
                                            "guile" "-c"
                                            "(display (effective-version))")))
                    (module-dir (string-append out "/share/guile/site/"
                                               effective))
                    (source (assoc-ref inputs "source"))
                    (doc (string-append out "/share/doc/guile-irregex/"))
                    (guild (string-append (assoc-ref %build-inputs "guile")
                                          "/bin/guild")))
               ;; Make installation directories.
               (mkdir-p (string-append module-dir "/rx/source"))
               (mkdir-p doc)

               ;; Compile .scm files and install.
               (setenv "GUILE_AUTO_COMPILE" "0")

               (for-each (lambda (copy-info)
                           (match copy-info
                             ((src-file dest-file-basis)
                              (let* ((dest-file (string-append
                                                 module-dir dest-file-basis
                                                 ".scm"))
                                     (go-file (string-append
                                               module-dir dest-file-basis
                                               ".go")))
                                ;; Install source module.
                                (copy-file src-file
                                           dest-file)
                                ;; Install compiled module.
                                (unless (zero? (system* guild "compile"
                                                        "-L" (getcwd)
                                                        "-o" go-file
                                                        src-file))
                                  (error (format #f "Failed to compile ~s to ~s!"
                                                 src-file dest-file)))))))
                         '(("irregex-guile.scm" "/rx/irregex")
                           ("irregex.scm" "/rx/source/irregex")
                           ;; Not really reachable via guile's packaging system,
                           ;; but nice to have around
                           ("irregex-utils.scm" "/rx/source/irregex-utils")))

               ;; Also copy over the README.
               (install-file "irregex.html" doc)
               #t))))))
    (inputs
     `(("guile" ,guile-2.0)))
    (home-page "http://synthcode.com/scheme/irregex")
    (synopsis "S-expression based regular expressions")
    (description
     "Irregex is an s-expression based alternative to your classic
string-based regular expressions.  It implements SRFI 115 and is deeply
inspired by the SCSH regular expression system.")
    (license license:bsd-3)))

(define-public guile2.2-irregex
  (package-for-guile-2.2 guile-irregex))

;; There are two guile-gdbm packages, one using the FFI and one with
;; direct C bindings, hence the verbose name.

(define-public guile-gdbm-ffi
  (package
    (name "guile-gdbm-ffi")
    (version "20120209.fa1d5b6")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/ijp/guile-gdbm.git")
                    (commit "fa1d5b6231d0e4d096687b378c025f2148c5f246")))
              (file-name (string-append name "-" version "-checkout"))
              (sha256
               (base32
                "1j8wrsw7v9w6qkl47xz0rdikg50v16nn6kbs3lgzcymjzpa7babj"))))
    (build-system trivial-build-system)
    (arguments
     `(#:modules
       ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils)
                      (ice-9 rdelim)
                      (ice-9 popen))

         ;; Avoid warnings we can safely ignore
         (setenv "GUILE_AUTO_COMPILE" "0")

         (let* ((out (assoc-ref %outputs "out"))
                (effective-version
                 (read-line
                  (open-pipe* OPEN_READ
                              (string-append
                               (assoc-ref %build-inputs "guile")
                               "/bin/guile")
                              "-c" "(display (effective-version))")))
                (module-dir (string-append out "/share/guile/site/"
                                           effective-version))
                (source (assoc-ref %build-inputs "source"))
                (doc (string-append out "/share/doc"))
                (guild (string-append (assoc-ref %build-inputs "guile")
                                      "/bin/guild"))
                (gdbm.scm-dest
                 (string-append module-dir "/gdbm.scm"))
                (gdbm.go-dest
                 (string-append module-dir "/gdbm.go"))
                (compile-file
                 (lambda (in-file out-file)
                   (system* guild "compile" "-o" out-file in-file))))
           ;; Switch directory for compiling and installing
           (chdir source)

           ;; Install the documentation.
           (install-file "README.md" doc)
           (copy-recursively "examples" (string-append doc "/examples"))

           ;; Make installation directories.
           (mkdir-p module-dir)

           ;; copy the source
           (copy-file "gdbm.scm" gdbm.scm-dest)

           ;; Patch the FFI
           (substitute* gdbm.scm-dest
             (("\\(dynamic-link \"libgdbm\"\\)")
              (format #f "(dynamic-link \"~a/lib/libgdbm.so\")"
                      (assoc-ref %build-inputs "gdbm"))))

           ;; compile to the destination
           (compile-file gdbm.scm-dest gdbm.go-dest)))))
    (inputs
     `(("guile" ,guile-2.2)))
    (propagated-inputs
     `(("gdbm" ,gdbm)))
    (home-page "https://github.com/ijp/guile-gdbm")
    (synopsis "Guile bindings to the GDBM library via Guile's FFI")
    (description
     "Guile bindings to the GDBM key-value storage system, using
Guile's foreign function interface.")
    (license license:gpl3+)))

(define-public guile2.0-gdbm-ffi
  (package-for-guile-2.0 guile-gdbm-ffi))

(define-public guile2.2-gdbm-ffi
  (deprecated-package "guile2.2-gdbm-ffi" guile-gdbm-ffi))

(define-public guile-sqlite3
  (let ((commit "10c13a7e02ab1655c8a758e560cafc9d6eff26f4")
        (revision "4"))
    (package
      (name "guile-sqlite3")
      (version (git-version "0.0" revision commit))

      ;; XXX: This used to be available read-only at
      ;; <https://www.gitorious.org/guile-sqlite3/guile-sqlite3.git/> but it
      ;; eventually disappeared, so we have our own copy here.
      (home-page "https://notabug.org/civodul/guile-sqlite3.git")
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url home-page)
                      (commit commit)))
                (sha256
                 (base32
                  "0nhhswpd7nb2f0gfr55fzcc2xm3l2xx4rbljsd1clrm8fj2d7q9d"))
                (file-name (string-append name "-" version "-checkout"))
                (modules '((guix build utils)))
                (snippet
                 ;; Upgrade 'Makefile.am' to the current way of doing things.
                 '(substitute* "Makefile.am"
                    (("TESTS_ENVIRONMENT")
                     "TEST_LOG_COMPILER")))))

      (build-system gnu-build-system)
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("pkg-config" ,pkg-config)))
      (inputs
       `(("guile" ,guile-2.2)
         ("sqlite" ,sqlite)))
      (arguments
       '(#:phases (modify-phases %standard-phases
                    (add-after 'unpack 'autoreconf
                      (lambda _
                        (zero? (system* "autoreconf" "-vfi"))))
                    (add-before 'build 'set-sqlite3-file-name
                      (lambda* (#:key inputs #:allow-other-keys)
                        (substitute* "sqlite3.scm"
                          (("\"libsqlite3\"")
                           (string-append "\"" (assoc-ref inputs "sqlite")
                                          "/lib/libsqlite3\"")))
                        #t)))))
      (synopsis "Access SQLite databases from Guile")
      (description
       "This package provides Guile bindings to the SQLite database system.")
      (license license:gpl3+))))

(define-public haunt
  (package
    (name "haunt")
    (version "0.2.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://files.dthompson.us/haunt/haunt-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1fpaf1vm6s7j13fs35barjh5yajcc2rc3pi8r7278wpgp4i2vs3w"))))
    (build-system gnu-build-system)
    (arguments
     `(#:modules ((ice-9 match) (ice-9 ftw)
                  ,@%gnu-build-system-modules)
       #:tests? #f ; test suite is non-deterministic :(
       #:phases (modify-phases %standard-phases
                  (add-after 'install 'wrap-haunt
                    (lambda* (#:key outputs #:allow-other-keys)
                      ;; Wrap the 'haunt' command to refer to the right
                      ;; modules.
                      (let* ((out  (assoc-ref outputs "out"))
                             (bin  (string-append out "/bin"))
                             (site (string-append
                                    out "/share/guile/site")))
                        (match (scandir site)
                          (("." ".." version)
                           (let ((modules (string-append site "/" version)))
                             (wrap-program (string-append bin "/haunt")
                               `("GUILE_LOAD_PATH" ":" prefix
                                 (,modules))
                               `("GUILE_LOAD_COMPILED_PATH" ":" prefix
                                 (,modules)))
                             #t)))))))))
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("texinfo" ,texinfo)))
    (inputs
     `(("guile" ,guile-2.2)))
    (propagated-inputs
     `(("guile-reader" ,guile-reader)
       ("guile-commonmark" ,guile-commonmark)))
    (synopsis "Functional static site generator")
    (description "Haunt is a static site generator written in Guile
Scheme.  Haunt features a functional build system and an extensible
interface for reading articles in any format.")
    (home-page "http://haunt.dthompson.us")
    (license license:gpl3+)))

(define-public guile2.0-haunt
  (package-for-guile-2.0
   (package (inherit haunt) (name "guile2.0-haunt"))))
(define-public guile2.2-haunt
  (deprecated-package "guile2.2-haunt" haunt))

(define-public guile-config
  (package
    (name "guile-config")
    (version "0.1.1")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://alex.pompo.co/software/" name "-" version
                    ".tar.gz"))
              (sha256
               (base32
                "1b719bn192f9wg24rr0zx8jpmygsvyhfi35iy778pb5p392snrn8"))))
    (build-system gnu-build-system)
    (inputs
     `(("guile" ,guile-2.0)))
    (synopsis "Guile application configuration parsing library")
    (description
     "Guile Config is a library providing a declarative approach to
application configuration specification.  The library provides clean
configuration declaration forms, and processors that take care of:
configuration file creation; configuration file parsing; command-line
parameter parsing using getopt-long; basic GNU command-line parameter
generation (--help, --usage, --version); automatic output generation for the
above command-line parameters.")
    (home-page "https://github.com/a-sassmannshausen/guile-config")
    (license license:agpl3+)))

(define-public guile-redis
  (package
    (name "guile-redis")
    (version "0.1.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/guile-redis/guile-redis-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0vx6if6b4r3kwx64vzbs6vpc0cpcr85x11w9vkzq27gw8n7isv56"))
              (modules '((guix build utils)))
              (snippet
               ;; Make sure everything goes under .../site/X.Y, like Guile's
               ;; search paths expects.
               '(begin
                  (substitute* "configure"
                    (("ac_subst_vars='")
                     "ac_subst_vars='GUILE_EFFECTIVE_VERSION\n"))
                  (substitute* '("Makefile.in"
                                 "redis/Makefile.in"
                                 "redis/commands/Makefile.in")
                    (("moddir =.*/share/guile/site" all)
                     (string-append all "/@GUILE_EFFECTIVE_VERSION@")))))))
    (build-system gnu-build-system)
    (native-inputs
     `(("guile" ,guile-2.0)))
    (home-page "https://savannah.nongnu.org/projects/guile-redis/")
    (synopsis "Redis client library for Guile")
    (description "Guile-redis provides a Scheme interface to the Redis
key-value cache and store.")
    (license license:lgpl3+)))

(define-public guile2.2-redis
  (package-for-guile-2.2 guile-redis))

(define-public guile-wisp
  (package
    (name "guile-wisp")
    (version "0.9.8")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://bitbucket.org/ArneBab/"
                                  "wisp/downloads/wisp-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1f2bbicq1rxnwmiplrm4r75wj06w385mjkyvi7g4k740bgwcrzxr"))))
    (build-system gnu-build-system)
    (arguments
     `(#:modules ((guix build gnu-build-system)
                  (guix build utils)
                  (ice-9 rdelim)
                  (ice-9 popen))

       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'substitute-before-config

          (lambda* (#:key inputs #:allow-other-keys)
            (let ((bash (assoc-ref inputs "bash")))
              ;; Puts together some test files with /bin/bash hardcoded
              (substitute* "Makefile.in"
                (("/usr/bin/env bash")
                 (string-append bash "/bin/bash"))
                (("\\$\\(GUILE_EFFECTIVE_VERSION\\)/site")
                 "site/$(GUILE_EFFECTIVE_VERSION)")) ;use the right order
              #t)))

         ;; auto compilation breaks, but if we set HOME to /tmp,
         ;; that works ok
         (add-before
          'check 'auto-compile-hacky-workaround
          (lambda _
            (setenv "HOME" "/tmp")
            #t))
         (add-after 'install 'install-go-files
          (lambda* (#:key outputs inputs #:allow-other-keys)
            (let* ((out (assoc-ref outputs "out"))
                   (effective (read-line
                               (open-pipe* OPEN_READ
                                           "guile" "-c"
                                           "(display (effective-version))")))
                   (module-dir (string-append out "/share/guile/site/"
                                              effective))
                   (object-dir (string-append out "/lib/guile/" effective
                                              "/site-ccache"))
                   (prefix     (string-length module-dir)))
              ;; compile to the destination
              (for-each (lambda (file)
                          (let* ((base (string-drop (string-drop-right file 4)
                                                    prefix))
                                 (go   (string-append object-dir base ".go")))
                           (invoke "guild" "compile" "-L" module-dir
                                    file "-o" go)))
                        (find-files module-dir "\\.scm$"))
              #t))))))
    (home-page "http://draketo.de/english/wisp")
    (inputs
     `(("guile" ,guile-2.2)))
    (native-inputs
     `(("python" ,python)
       ("pkg-config" ,pkg-config)))
    (synopsis "Whitespace to lisp syntax for Guile")
    (description "Wisp is a syntax for Guile which provides a Python-like
whitespace-significant language.  It may be easier on the eyes for some
users and in some situations.")
    (license license:gpl3+)))

(define-public guile-sly
  (package
    (name "guile-sly")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://files.dthompson.us/sly/sly-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1svzlbz2vripmyq2kjh0rig16bsrnbkwbsm558pjln9l65mcl4qq"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  (substitute* "configure"
                    (("_guile_required_version=\"2.0.11\"")
                     "_guile_required_version=\"2\"")
                    (("ac_subst_vars='")
                     "ac_subst_vars='GUILE_EFFECTIVE_VERSION\n"))
                  (substitute* (find-files "." "Makefile.in")
                    (("moddir = .*$")
                     (string-append
                      "moddir = "
                      "$(prefix)/share/guile/site/@GUILE_EFFECTIVE_VERSION@\n"))
                    (("godir = .*$")
                     (string-append
                      "godir = "
                      "$(prefix)/lib/guile/@GUILE_EFFECTIVE_VERSION@/site-ccache\n")))))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags
       (list (string-append "--with-libfreeimage-prefix="
                            (assoc-ref %build-inputs "freeimage"))
             (string-append "--with-libgslcblas-prefix="
                            (assoc-ref %build-inputs "gsl")))))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (propagated-inputs
     `(("guile-sdl" ,guile-sdl)
       ("guile-opengl" ,guile-opengl)))
    (inputs
     `(("guile" ,guile-2.2)
       ("gsl" ,gsl)
       ("freeimage" ,freeimage)
       ("mesa" ,mesa)))
    (synopsis "2D/3D game engine for GNU Guile")
    (description "Sly is a 2D/3D game engine written in Guile Scheme.  Sly
features a functional reactive programming interface and live coding
capabilities.")
    (home-page "http://dthompson.us/pages/software/sly.html")
    (license license:gpl3+)))

(define-public g-wrap
  (package
    (name "g-wrap")
    (version "1.9.15")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/g-wrap/g-wrap-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0ak0bha37dfpj9kmyw1r8fj8nva639aw5xr66wr5gd3l1rqf5xhg"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (propagated-inputs
     `(("guile" ,guile-2.2)
       ("guile-lib" ,guile-lib)))
    (inputs
     `(("libffi" ,libffi)))
    (arguments
     `(#:configure-flags '("--disable-Werror")
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'pre-configure
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               (substitute* (find-files "." "^Makefile.in$")
                 (("guilemoduledir =.*guile/site" all)
                  (string-append all "/@GUILE_EFFECTIVE_VERSION@")))
               #t))))))
    (synopsis "Generate C bindings for Guile")
    (description "G-Wrap is a tool and Guile library for generating function
wrappers for inter-language calls.  It currently only supports generating Guile
wrappers for C functions.  Given a definition of the types and prototypes for
a given C interface, G-Wrap will automatically generate the C code that
provides access to that interface and its types from the Scheme level.")
    (home-page "https://www.nongnu.org/g-wrap/index.html")
    (license license:lgpl2.1+)))

(define-public guile-dbi
  (package
    (name "guile-dbi")
    (version "2.1.6")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://download.gna.org/guile-dbi/guile-dbi-"
                    version ".tar.gz"))
              (sha256
               (base32
                "116njrprhgrsv1qm904sp3b02rq01fx639r433d657gyhw3x159n"))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags
       (list (string-append
              "--with-guile-site-dir=" %output "/share/guile/site/2.0"))
       #:phases
       (modify-phases %standard-phases
         (add-after 'install 'patch-extension-path
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out     (assoc-ref outputs "out"))
                    (dbi.scm (string-append
                              out "/share/guile/site/2.0/dbi/dbi.scm"))
                    (ext     (string-append out "/lib/libguile-dbi")))
               (substitute* dbi.scm (("libguile-dbi") ext))
               #t))))))
    (propagated-inputs
     `(("guile" ,guile-2.0)))
    (synopsis "Guile database abstraction layer")
    (home-page "http://home.gna.org/guile-dbi/guile-dbi.html")
    (description
     "guile-dbi is a library for Guile that provides a convenient interface to
SQL databases.  Database programming with guile-dbi is generic in that the same
programming interface is presented regardless of which database system is used.
It currently supports MySQL, Postgres and SQLite3.")
    (license license:gpl2+)))

(define-public guile-dbd-sqlite3
  (package
    (name "guile-dbd-sqlite3")
    (version "2.1.6")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://download.gna.org/guile-dbi/guile-dbd-sqlite3-"
                    version ".tar.gz"))
              (sha256
               (base32
                "0rg71jchxd2y8x496s8zmfmikr5g8zxi8zv2ar3f7a23pph92iw2"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("sqlite" ,sqlite)
       ("zlib" ,(@ (gnu packages compression) zlib))))
    (propagated-inputs
     `(("guile-dbi" ,guile-dbi)))
    (synopsis "Guile DBI driver for SQLite")
    (home-page "https://github.com/jkalbhenn/guile-dbd-sqlite3")
    (description
     "guile-dbi is a library for Guile that provides a convenient interface to
SQL databases.  This package implements the interface for SQLite.")
    (license license:gpl2+)))

(define-public guile-dsv
  (package
    (name "guile-dsv")
    (version "0.2.1")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/artyom-poptsov/guile-dsv")
                    (commit "bdc5267d007478abc20ea96d7c459b7dd9560b3d")))
              (file-name (string-append name "-" version "-checkout"))
              (sha256
               (base32
                "1irw6mz8998nwyhzrw9g94jcz60b9zljgqfmipaz1ybn8579qjx0"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("pkg-config" ,pkg-config)
       ("texinfo" ,texinfo)))
    (inputs `(("guile" ,guile-2.2)))
    (propagated-inputs `(("guile-lib" ,guile-lib)))
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (add-before 'configure 'set-guilesitedir
                    (lambda _
                      (substitute* "Makefile.in"
                        (("^guilesitedir =.*$")
                         "guilesitedir = \
$(datadir)/guile/site/$(GUILE_EFFECTIVE_VERSION)\n"))
                      (substitute* "modules/Makefile.in"
                        (("^guilesitedir =.*$")
                         "guilesitedir = \
$(datadir)/guile/site/$(GUILE_EFFECTIVE_VERSION)\n"))
                      (substitute* "modules/dsv/Makefile.in"
                        (("^guilesitedir =.*$")
                         "guilesitedir = \
$(datadir)/guile/site/$(GUILE_EFFECTIVE_VERSION)\n"))
                      #t))
                  (add-after 'unpack 'autoreconf
                    (lambda _
                      (zero? (system* "autoreconf" "-vfi")))))))
    (home-page "https://github.com/artyom-poptsov/guile-dsv")
    (synopsis "DSV module for Guile")
    (description
     "Guile-DSV is a GNU Guile module for working with the
delimiter-separated values (DSV) data format.  Guile-DSV supports the
Unix-style DSV format and RFC 4180 format.")
    (license license:gpl3+)))

(define-public guile-xosd
  (package
    (name "guile-xosd")
    (version "0.2.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/alezost/" name
                                  "/releases/download/v" version
                                  "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "1ri5065c16kmgrf2pysn2ymxjqi5302lhpb07wkl1jr75ym8fn8p"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("guile" ,guile-2.2)
       ("libx11" ,libx11)
       ("libxext" ,libxext)
       ("libxinerama" ,libxinerama)
       ("xosd" ,xosd)))
    (home-page "https://github.com/alezost/guile-xosd")
    (synopsis "XOSD bindings for Guile")
    (description
     "Guile-XOSD provides Guile bindings for @code{libxosd},
@uref{http://sourceforge.net/projects/libxosd/, the X On Screen Display
library}.")
    (license license:gpl3+)))

(define-public guile-daemon
  (package
    (name "guile-daemon")
    (version "0.1.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/alezost/" name
                                  "/releases/download/v" version
                                  "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "0hh6gq6b6phpxm0b1dkxyzj3f4sxdf7dji63609lzypa5v1ad2gv"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("guile" ,guile-2.2)))
    (home-page "https://github.com/alezost/guile-daemon")
    (synopsis "Evaluate code in a running Guile process")
    (description
     "Guile-Daemon is a small Guile program that loads your initial
configuration file, and then reads and evaluates Guile expressions that
you send to a FIFO file.")
    (license license:gpl3+)))

(define-public guile-commonmark
  (package
    (name "guile-commonmark")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/OrangeShark/" name
                                  "/releases/download/v" version
                                  "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "12cb5fqvvgc87f5xp0ih5az305wnjia89l5jba83d0r2p8bfy0b0"))
              (modules '((guix build utils)))
              (snippet
               ;; Use the real effective version of Guile in directory names
               ;; instead of a hard-coded "/2.0".
               '(begin
                  (substitute* "configure"
                    (("ac_subst_vars='")
                     "ac_subst_vars='GUILE_EFFECTIVE_VERSION\n"))
                  (substitute* "Makefile.in"
                    (("/site/2.0")
                     "/site/@GUILE_EFFECTIVE_VERSION@"))))))
    (build-system gnu-build-system)
    (inputs
     `(("guile" ,guile-2.2)))
    (synopsis "CommonMark parser for Guile")
    (description
     "guile-commonmark is a library for parsing CommonMark, a fully specified
variant of Markdown.  The library is written in Guile Scheme and is designed
to transform a CommonMark document to SXML.  guile-commonmark tries to closely
follow the @uref{http://commonmark.org/, CommonMark spec}, the main difference
is no support for parsing block and inline level HTML.")
    (home-page "https://github.com/OrangeShark/guile-commonmark")
    (license license:lgpl3+)))

(define-public guile2.0-commonmark
  (package-for-guile-2.0 guile-commonmark))
(define-public guile2.2-commonmark
  (deprecated-package "guile2.2-commonmark" guile-commonmark))

(define-public guile-bytestructures
  (package
    (name "guile-bytestructures")
    (version "1.0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/TaylanUB/scheme-bytestructures"
                                  "/releases/download/v" version
                                  "/bytestructures-" version ".tar.gz"))
              (sha256
               (base32
                "1lnfcy65mqj823lamy2n2vaghdz0g7mj011bgnhmd6hwpnaidnh2"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("guile" ,guile-2.2)))
    (home-page "https://github.com/TaylanUB/scheme-bytestructures")
    (synopsis "Structured access to bytevector contents for Guile")
    (description
     "Guile bytestructures offers a system imitating the type system
of the C programming language, to be used on bytevectors.  C's type
system works on raw memory, and Guile works on bytevectors which are
an abstraction over raw memory.  It's also more powerful than the C
type system, elevating types to first-class status.")
    (license license:gpl3+)))

(define-public guile2.0-bytestructures
  (package-for-guile-2.0 guile-bytestructures))

(define-public guile-aspell
  (package
    (name "guile-aspell")
    (version "0.4")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://lonelycactus.com/tarball/guile_aspell-"
                    version ".tar.gz"))
              (sha256
               (base32
                "0vpk5xj9m9qc702z3khmkwhgpb949qbsyz8kw2qycda6qnxk0077"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (add-before 'configure 'set-guilesitedir
                    (lambda _
                      (substitute* "Makefile.in"
                        (("^guilesitedir =.*$")
                         "guilesitedir = \
$(datadir)/guile/site/$(GUILE_EFFECTIVE_VERSION)\n"))
                      #t))
                  (add-before 'build 'set-libaspell-file-name
                    (lambda* (#:key inputs #:allow-other-keys)
                      (let ((aspell (assoc-ref inputs "aspell")))
                        (substitute* "aspell.scm"
                          (("\"libaspell\\.so\"")
                           (string-append "\"" aspell
                                          "/lib/libaspell\"")))
                        #t))))))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("guile" ,guile-2.2)
              ("aspell" ,aspell)))
    (home-page "https://github.com/spk121/guile-aspell")
    (synopsis "Spell-checking from Guile")
    (description
     "guile-aspell is a Guile Scheme library for comparing a string against a
dictionary and suggesting spelling corrections.")
    (license license:gpl3+)))

(define-public guile-bash
  ;; This project is currently retired.  It was initially announced here:
  ;; <https://lists.gnu.org/archive/html/guile-user/2015-02/msg00003.html>.
  (let ((commit "1eabc563ca5692b3e08d84f1f0e6fd2283284469")
        (revision "0"))
    (package
      (name "guile-bash")
      (version (string-append "0.1.6-" revision "." (string-take commit 7)))
      (home-page
       "https://anonscm.debian.org/cgit/users/kaction-guest/retired/dev.guile-bash.git")
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (commit commit)
                      (url home-page)))
                (sha256
                 (base32
                  "097vny990wp2qpjij6a5a5gwc6fxzg5wk56inhy18iki5v6pif1p"))
                (file-name (string-append name "-" version "-checkout"))))
      (build-system gnu-build-system)
      (arguments
       '(#:phases (modify-phases %standard-phases
                    (add-after 'unpack 'bootstrap
                      (lambda _
                        (zero? (system* "sh" "bootstrap")))))

         #:configure-flags
         ;; Add -I to match 'bash.pc' of Bash 4.4.
         (list (string-append "CPPFLAGS=-I"
                              (assoc-ref %build-inputs "bash:include")
                              "/include/bash/include")

               ;; The '.a' file is useless.
               "--disable-static"

               ;; Install 'lib/bash' as Bash 4.4 expects.
               (string-append "--libdir=" (assoc-ref %outputs "out")
                              "/lib/bash"))))
      (native-inputs `(("pkg-config" ,pkg-config)
                       ("autoconf" ,(autoconf-wrapper))
                       ("automake" ,automake)
                       ("libtool" ,libtool)
                       ;; Gettext brings 'AC_LIB_LINKFLAGS_FROM_LIBS'.
                       ("gettext" ,gettext-minimal)

                       ;; Bash with loadable module support, for the test
                       ;; suite.
                       ("bash-full" ,bash)))
      (inputs `(("guile" ,guile-2.0)
                ("bash:include" ,bash "include")))
      (synopsis "Extend Bash using Guile")
      (description
       "Guile-Bash provides a shared library and set of Guile modules,
allowing you to extend Bash in Scheme.  Scheme interfaces allow you to access
the following aspects of Bash:

@itemize
@item aliases;
@item setting and getting Bash variables;
@item creating dynamic variables;
@item creating Bash functions with a Scheme implementation;
@item reader macro for output capturing;
@item reader macro for evaluating raw Bash commands.
@end itemize

To enable it, run:

@example
enable -f ~/.guix-profile/lib/bash/libguile-bash.so scm
@end example

and then run @command{scm example.scm}.")
      (license license:gpl3+))))

(define-public guile-8sync
  (package
    (name "guile-8sync")
    (version "0.4.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/8sync/8sync-" version
                                  ".tar.gz"))
              (sha256
               (base32
                "031wm13srak3wsnll7j2mbbi29g1pcm4swdb71ds9yn567pn20qw"))))
    (build-system gnu-build-system)
    (native-inputs `(("autoconf" ,autoconf)
                     ("automake" ,automake)
                     ("guile" ,guile-2.2)
                     ("pkg-config" ,pkg-config)
                     ("texinfo" ,texinfo)))
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (add-before 'configure 'setenv
                    (lambda _
                      ;; quiet warnings
                      (setenv "GUILE_AUTO_COMPILE" "0")
                      #t)))))
    (home-page "https://gnu.org/s/8sync/")
    (synopsis "Asynchronous actor model library for Guile")
    (description
     "GNU 8sync (pronounced \"eight-sync\") is an asynchronous programming
library for GNU Guile based on the actor model.

Note that 8sync is only available for Guile 2.2.")
    (license license:lgpl3+)))

(define-public guile-fibers
  (package
    (name "guile-fibers")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://wingolog.org/pub/fibers/fibers-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0vjkg72ghgdgphzbjz9ig8al8271rq8974viknb2r1rg4lz92ld0"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("texinfo" ,texinfo)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("guile" ,guile-2.2)))
    (synopsis "Lightweight concurrency facility for Guile")
    (description
     "Fibers is a Guile library that implements a a lightweight concurrency
facility, inspired by systems like Concurrent ML, Go, and Erlang.  A fiber is
like a \"goroutine\" from the Go language: a lightweight thread-like
abstraction.  Systems built with Fibers can scale up to millions of concurrent
fibers, tens of thousands of concurrent socket connections, and many parallel
cores.  The Fibers library also provides Concurrent ML-like channels for
communication between fibers.

Note that Fibers makes use of some Guile 2.1/2.2-specific features and
is not available for Guile 2.0.")
    (home-page "https://github.com/wingo/fibers")
    (license license:lgpl3+)))

(define-public guile-git
  (let ((revision "4")
        (commit "951a32c56cc4d80f8836e3c7394783e69c1fcbad"))
    (package
      (name "guile-git")
      (version (string-append "0.0-" revision "." (string-take commit 7)))
      (home-page "https://gitlab.com/guile-git/guile-git.git")
      (source (origin
                (method git-fetch)
                (uri (git-reference (url home-page) (commit commit)))
                (sha256
                 (base32
                  "0qri9x73ij6g40ijs4hyhj8knxw39ydgghiafq74dp99bc8hh0qc"))
                (file-name (git-file-name name version))))
      (build-system gnu-build-system)
      (arguments
       `(#:phases (modify-phases %standard-phases
                    (add-after 'unpack 'bootstrap
                      (lambda _
                        (zero? (system* "autoreconf" "-vfi"))))

                    ;; FIXME: On i686, bytestructures miscalculates the offset
                    ;; of the 'old-file' and 'new-file' fields within the
                    ;; '%diff-delta' structure.
                    ,@(if (string=? (%current-system) "x86_64-linux")
                          '()
                          '((add-before 'check 'skip-tests
                              (lambda _
                                (substitute* "Makefile"
                                  (("tests/status\\.scm")
                                   ""))
                                #t)))))))
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("texinfo" ,texinfo)
         ("pkg-config" ,pkg-config)))
      (inputs
       `(("guile" ,guile-2.2)
         ("libgit2" ,libgit2)))
      (propagated-inputs
       `(("guile-bytestructures" ,guile-bytestructures)))
      (synopsis "Guile bindings for libgit2")
      (description
       "This package provides Guile bindings to libgit2, a library to
manipulate repositories of the Git version control system.")
      (license license:gpl3+))))

(define-public guile2.0-git
  (package-for-guile-2.0 guile-git))

(define-public guile-syntax-highlight
  (let ((commit "a047675e66861b647426372aa2ba7820f749616d")
        (revision "0"))
    (package
      (name "guile-syntax-highlight")
      (version (string-append "0.0." revision "."
                              (string-take commit 7)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "git://dthompson.us/guile-syntax-highlight.git")
                      (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "1zjr6sg3n7xbdsliy45i39dqanxvcms58ayx36wxrz72zpq58vq3"))))
      (build-system gnu-build-system)
      (arguments
       '(#:phases (modify-phases %standard-phases
                    (add-after 'unpack 'bootstrap
                      (lambda _
                        (zero? (system* "sh" "bootstrap")))))))
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("pkg-config" ,pkg-config)))
      (inputs
       `(("guile" ,guile-2.2)))
      (synopsis "General-purpose syntax highlighter for GNU Guile")
      (description "Guile-syntax-highlight is a general-purpose syntax
highlighting library for GNU Guile.  It can parse code written in various
programming languages into a simple s-expression that can be converted to
HTML (via SXML) or any other format for rendering.")
      (home-page "http://dthompson.us/software/guile-syntax-highlight")
      (license license:lgpl3+))))

(define-public guile-sjson
  (package
    (name "guile-sjson")
    (version "0.2.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://dustycloud.org/misc/sjson-" version
                                  ".tar.gz"))
              (sha256
               (base32
                "1mzmapln79vv10qxaggz9qwcdbag3jnrj19xx8bgkmxss8h03sv3"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'bootstrap
           (lambda _ (zero? (system* "sh" "bootstrap.sh")))))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("guile" ,guile-2.2)))
    (home-page "https://gitlab.com/dustyweb/guile-sjson")
    (synopsis "S-expression based json reader/writer for Guile")
    (description "guile-sjson is a json reader/writer for Guile.
It has a nice, simple s-expression based syntax.")
    (license license:lgpl3+)))

(define-public guile-colorized
  (package
    (name "guile-colorized")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/NalaGinrut/guile-colorized/"
                                  "archive/v" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "16xhc3an6aglnca8xl3mvgi8hsqzqn68vsl5ga4bz8bvbap5fn4p"))))
    (build-system gnu-build-system)
    (arguments
     `(#:modules ((system base compile)
                  ,@%gnu-build-system-modules)
       #:tests? #f ;No tests included
       #:phases
       (modify-phases %standard-phases
         (delete 'configure) ;No configure script
         (replace 'install
           (lambda* (#:key outputs inputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (module-dir (string-append out "/share/guile/site/2.2"))
                    (language-dir (string-append module-dir "/ice-9"))
                    (guild (string-append (assoc-ref inputs "guile")
                                          "/bin/guild")))
               ;; The original 'make install' is too primitive.

               ;; copy the source
               (install-file "ice-9/colorized.scm" language-dir)

               ;; compile to the destination
               (compile-file "ice-9/colorized.scm"
                             #:output-file (string-append
                                            language-dir "/colorized.go"))
               #t))))))
    (inputs
     `(("guile" ,guile-2.2)))
    (home-page "https://github.com/NalaGinrut/guile-colorized")
    (synopsis "Colorized REPL for Guile")
    (description
     "Guile-colorized provides you with a colorized REPL for GNU Guile.")
    (license license:gpl3+)))

;;; guile.scm ends here