path: root/gnu/packages/ruby.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Pjotr Prins <pjotr.guix@thebird.nl>
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2014, 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Ben Woodcroft <donttrustben@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 ruby)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages java)
  #:use-module (gnu packages libffi)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages version-control)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages xml)
  #:use-module (guix build-system ruby))

(define-public ruby
  (package
    (name "ruby")
    (version "2.2.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://cache.ruby-lang.org/pub/ruby/"
                           (version-major+minor version)
                           "/ruby-" version ".tar.xz"))
       (sha256
        (base32
         "19x8gs67klgc3ag815jpin83jn2nv1akgjcgayd6v3h1xplr1v66"))))
    (build-system gnu-build-system)
    (arguments
     `(#:test-target "test"
       #:parallel-tests? #f
       #:phases
       (alist-cons-before
        'configure 'replace-bin-sh
        (lambda _
          (substitute* '("Makefile.in"
                         "ext/pty/pty.c"
                         "io.c"
                         "lib/mkmf.rb"
                         "process.c"
                         "test/rubygems/test_gem_ext_configure_builder.rb"
                         "test/rdoc/test_rdoc_parser.rb"
                         "test/ruby/test_rubyoptions.rb"
                         "test/ruby/test_process.rb"
                         "test/ruby/test_system.rb"
                         "tool/rbinstall.rb")
            (("/bin/sh") (which "sh"))))
        %standard-phases)))
    (inputs
     `(("readline" ,readline)
       ("openssl" ,openssl)
       ("libffi" ,libffi)
       ("gdbm" ,gdbm)
       ("zlib" ,zlib)))
    (native-search-paths
     (list (search-path-specification
            (variable "GEM_PATH")
            (files (list (string-append "lib/ruby/gems/"
                                        (version-major+minor version)
                                        ".0"))))))
    (synopsis "Programming language interpreter")
    (description "Ruby is a dynamic object-oriented programming language with
a focus on simplicity and productivity.")
    (home-page "https://ruby-lang.org")
    (license license:ruby)))

(define-public ruby-2.1
  (package (inherit ruby)
    (version "2.1.6")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://cache.ruby-lang.org/pub/ruby/"
                           (version-major+minor version)
                           "/ruby-" version ".tar.bz2"))
       (sha256
        (base32
         "1sbcmbhadcxk0509svwxbm2vvgmpf3xjxr1397bgp9x46nz36lkv"))))
    (arguments
     `(#:test-target "test"
       #:parallel-tests? #f
       #:phases
        (alist-cons-before
         'configure 'replace-bin-sh
         (lambda _
           (substitute* '("Makefile.in"
                          "ext/pty/pty.c"
                          "io.c"
                          "lib/mkmf.rb"
                          "process.c")
             (("/bin/sh") (which "sh"))))
         %standard-phases)))
    (native-search-paths
     (list (search-path-specification
            (variable "GEM_PATH")
            (files (list (string-append "lib/ruby/gems/"
                                        (version-major+minor version)
                                        ".0"))))))))

(define-public ruby-1.8
  (package (inherit ruby)
    (version "1.8.7-p374")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://cache.ruby-lang.org/pub/ruby/"
                           (version-major+minor version)
                           "/ruby-" version ".tar.bz2"))
       (sha256
        (base32
         "1qq7khilwkayrhwmzlxk83scrmiqfi7lgsn4c63znyvz2c1lgqxl"))))
    (native-search-paths '())
    (arguments
     `(#:test-target "test"
       #:parallel-tests? #f
       #:phases
        (alist-cons-before
         'configure 'replace-bin-sh
         (lambda _
           (substitute* '("Makefile.in"
                          "ext/pty/pty.c"
                          "io.c"
                          "lib/mkmf.rb"
                          "process.c")
             (("/bin/sh") (which "sh"))))
         %standard-phases)))))

(define-public ruby-hoe
  (package
    (name "ruby-hoe")
    (version "3.13.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "hoe" version))
              (sha256
               (base32
                "1mac13krdrasn9819dd65xj27kklfy0xdbj3p6s2ij4vlcb46h8q"))) )
    (build-system ruby-build-system)
    (synopsis "Ruby project management helper")
    (description
     "Hoe is a rake/rubygems helper for project Rakefiles.  It helps manage,
maintain, and release projects and includes a dynamic plug-in system allowing
for easy extensibility.  Hoe ships with plug-ins for all the usual project
tasks including rdoc generation, testing, packaging, deployment, and
announcement.")
    (home-page "http://www.zenspider.com/projects/hoe.html")
    (license license:expat)))

(define-public ruby-rake-compiler
  (package
    (name "ruby-rake-compiler")
    (version "0.9.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rake-compiler" version))
              (sha256
               (base32
                "1k8im2vzj849xdgjk6wafspkiwwapqwm738majchb4dnhnsk64cx"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; needs cucumber
    (synopsis "Building and packaging helper for Ruby native extensions")
    (description "Rake-compiler provides a framework for building and
packaging native C and Java extensions in Ruby.")
    (home-page "https://github.com/rake-compiler/rake-compiler")
    (license license:expat)))

(define-public ruby-i18n
  (package
    (name "ruby-i18n")
    (version "0.7.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "i18n" version))
              (sha256
               (base32
                "1i5z1ykl8zhszsxcs8mzl8d0dxgs3ylz8qlzrw74jb0gplkx6758"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no tests
    (synopsis "Internationalization library for Ruby")
    (description "Ruby i18n is an internationalization and localization
solution for Ruby programs.  It features translation and localization,
interpolation of values to translations, pluralization, customizable
transliteration to ASCII, flexible defaults, bulk lookup, lambdas as
translation data, custom key/scope separator, custom exception handlers, and
an extensible architecture with a swappable backend.")
    (home-page "http://github.com/svenfuchs/i18n")
    (license license:expat)))

;; RSpec is the dominant testing library for Ruby projects.  Even RSpec's
;; dependencies use RSpec for their test suites!  To avoid these circular
;; dependencies, we disable tests for all of the RSpec-related packages.
(define ruby-rspec-support
  (package
    (name "ruby-rspec-support")
    (version "3.2.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-support" version))
              (sha256
               (base32
                "194zry5195ls2hni7r9824vqb5d3qfg4jb15fgj8glfy0rvw3zxl"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (synopsis "RSpec support library")
    (description "Support utilities for RSpec gems.")
    (home-page "https://github.com/rspec/rspec-support")
    (license license:expat)))

(define-public ruby-rspec-core
  (package
    (name "ruby-rspec-core")
    (version "3.2.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-core" version))
              (sha256
               (base32
                "0k2471iw30gc2cvv67damrx666pmsvx8l0ahk3hm20dhfnmcmpvv"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (propagated-inputs
     `(("ruby-rspec-support" ,ruby-rspec-support)))
    (synopsis "RSpec core library")
    (description "Rspec-core provides the RSpec test runner and example
groups.")
    (home-page "https://github.com/rspec/rspec-core")
    (license license:expat)))

(define-public ruby-rspec-core-2
  (package (inherit ruby-rspec-core)
    (version "2.14.8")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-core" version))
              (sha256
               (base32
                "0psjy5kdlz3ph39br0m01w65i1ikagnqlg39f8p65jh5q7dz8hwc"))))
    (propagated-inputs `())))

(define-public ruby-diff-lcs
  (package
    (name "ruby-diff-lcs")
    (version "1.2.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "diff-lcs" version))
              (sha256
               (base32
                "1vf9civd41bnqi6brr5d9jifdw73j9khc6fkhfl1f8r9cpkdvlx1"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (synopsis "Compute the difference between two Enumerable sequences")
    (description "Diff::LCS computes the difference between two Enumerable
sequences using the McIlroy-Hunt longest common subsequence (LCS) algorithm.
It includes utilities to create a simple HTML diff output format and a
standard diff-like tool.")
    (home-page "https://github.com/halostatue/diff-lcs")
    (license license:expat)))

(define-public ruby-rspec-expectations
  (package
    (name "ruby-rspec-expectations")
    (version "3.2.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-expectations" version))
              (sha256
               (base32
                "01kmchabgpdcaqdsqg8r0g5gy385xhp1k1jsds3w264ypin17n14"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (propagated-inputs
     `(("ruby-rspec-support" ,ruby-rspec-support)
       ("ruby-diff-lcs" ,ruby-diff-lcs)))
    (synopsis "RSpec expectations library")
    (description "Rspec-expectations provides a simple API to express expected
outcomes of a code example.")
    (home-page "https://github.com/rspec/rspec-expectations")
    (license license:expat)))

(define-public ruby-rspec-expectations-2
  (package (inherit ruby-rspec-expectations)
    (version "2.14.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-expectations" version))
              (sha256
               (base32
                "1ni8kw8kjv76jvwjzi4jba00k3qzj9f8wd94vm6inz0jz3gwjqf9"))))
    (propagated-inputs
     `(("ruby-diff-lcs" ,ruby-diff-lcs)))))

(define-public ruby-rspec-mocks
  (package
    (name "ruby-rspec-mocks")
    (version "3.2.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-mocks" version))
              (sha256
               (base32
                "09yig1lwgxl8fsns71z3xhv7wkg7zvagydh37pvaqpw92dz55jv2"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (propagated-inputs
     `(("ruby-rspec-support" ,ruby-rspec-support)
       ("ruby-diff-lcs" ,ruby-diff-lcs)))
    (synopsis "RSpec stubbing and mocking library")
    (description "Rspec-mocks provides RSpec's \"test double\" framework, with
support for stubbing and mocking.")
    (home-page "https://github.com/rspec/rspec-mocks")
    (license license:expat)))

(define-public ruby-rspec-mocks-2
  (package (inherit ruby-rspec-mocks)
    (version "2.14.6")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec-mocks" version))
              (sha256
               (base32
                "1fwsmijd6w6cmqyh4ky2nq89jrpzh56hzmndx9wgkmdgfhfakv30"))))
    (propagated-inputs
     `(("ruby-diff-lcs" ,ruby-diff-lcs)))))

(define-public ruby-rspec
  (package
    (name "ruby-rspec")
    (version "3.2.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec" version))
              (sha256
               (base32
                "0lkz01j4yxcwb3g5w6r1l9khnyw3sxib4rrh4npd2pxh390fcc4f"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (propagated-inputs
     `(("ruby-rspec-core" ,ruby-rspec-core)
       ("ruby-rspec-mocks" ,ruby-rspec-mocks)
       ("ruby-rspec-expectations" ,ruby-rspec-expectations)))
    (synopsis "Behavior-driven development framework for Ruby")
    (description "RSpec is a behavior-driven development (BDD) framework for
Ruby.  This meta-package includes the RSpec test runner, along with the
expectations and mocks frameworks.")
    (home-page "http://rspec.info/")
    (license license:expat)))

(define-public ruby-rspec-2
  (package (inherit ruby-rspec)
    (version "2.14.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rspec" version))
              (sha256
               (base32
                "134y4wzk1prninb5a0bhxgm30kqfzl8dg06af4js5ylnhv2wd7sg"))))
    (propagated-inputs
     `(("ruby-rspec-core" ,ruby-rspec-core-2)
       ("ruby-rspec-mocks" ,ruby-rspec-mocks-2)
       ("ruby-rspec-expectations" ,ruby-rspec-expectations-2)))))

;; Bundler is yet another source of circular dependencies, so we must disable
;; its test suite as well.
(define-public bundler
  (package
    (name "bundler")
    (version "1.10.6")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "bundler" version))
              (sha256
               (base32
                "1vlzfq0bkkj4jyq6av0y55mh5nj5n0f3mfbmmifwgkh44g8k6agv"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; avoid dependency cycles
    (synopsis "Ruby gem bundler")
    (description "Bundler automatically downloads and installs a list of gems
specified in a \"Gemfile\", as well as their dependencies.")
    (home-page "http://bundler.io/")
    (license license:expat)))

(define-public ruby-builder
  (package
    (name "ruby-builder")
    (version "3.2.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "builder" version))
              (sha256
               (base32
                "14fii7ab8qszrvsvhz6z2z3i4dw0h41a62fjr2h1j8m41vbrmyv2"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'do-not-use-rvm
          (lambda _
            (substitute* "rakelib/tags.rake"
              (("RVM_GEMDIR = .*") "RVM_GEMDIR = 'no-rvm-please'\n"))
            #t)))))
    (synopsis "Ruby library to create structured data")
    (description "Builder provides a number of builder objects that make it
easy to create structured data.  Currently the following builder objects are
supported: XML Markup and XML Events.")
    (home-page "https://github.com/jimweirich/builder")
    (license license:expat)))

(define-public ruby-rjb
  (package
    (name "ruby-rjb")
    (version "1.5.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rjb" version))
              (sha256
               (base32
                "0gzs92dagk981s4vrymnqg0vll783b9k564j0cdgp167nc5a2zg4"))))
    (build-system ruby-build-system)
    (arguments
     `(#:tests? #f ; no rakefile
       #:phases
       (modify-phases %standard-phases
         (add-before 'build 'set-java-home
          (lambda* (#:key inputs #:allow-other-keys)
            (setenv "JAVA_HOME" (assoc-ref inputs "jdk"))
            #t)))))
    (native-inputs
     `(("jdk" ,icedtea7 "jdk")))
    (synopsis "Ruby-to-Java bridge using the Java Native Interface")
    (description "RJB is a bridge program that connects Ruby and Java via the
Java Native Interface.")
    (home-page "http://www.artonx.org/collabo/backyard/?RubyJavaBridge")
    (license license:lgpl2.1+)))

(define-public ruby-log4r
  (package
    (name "ruby-log4r")
    (version "1.1.10")
    (source
      (origin
        (method url-fetch)
        (uri (rubygems-uri "log4r" version))
        (sha256
          (base32
            "0ri90q0frfmigkirqv5ihyrj59xm8pq5zcmf156cbdv4r4l2jicv"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no Rakefile in gem
    (synopsis "Flexible logging library for Ruby")
    (description "Comprehensive and flexible logging library written
in Ruby for use in Ruby programs.  It features a hierarchical logging
system of any number of levels, custom level names, logger
inheritance, multiple output destinations per log event, execution
tracing, custom formatting, thread safteyness, XML and YAML
configuration, and more.")
     (home-page "http://log4r.rubyforge.org/")
     (license license:bsd-3)))

(define-public ruby-atoulme-antwrap
  (package
    (name "ruby-atoulme-antwrap")
    (version "0.7.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "atoulme-Antwrap" version))
              (sha256
               (base32
                "05s3iw44lqa81f8nfy5f0xjj808600h82zb9bsh46b9kcq2w2kmz"))))
    (build-system ruby-build-system)
    ;; Test data required for most of the tests are not included.
    (arguments `(#:tests? #f))
    (native-inputs
     `(("ruby-hoe" ,ruby-hoe)))
    (inputs
     `(("ruby-rjb" ,ruby-rjb)))
    (synopsis "Ruby wrapper for the Ant build tool")
    (description "Antwrap is a Ruby module that wraps the Apache Ant build
tool.  Antwrap can be used to invoke Ant tasks from a Ruby or a JRuby
script.")
    (home-page "http://rubyforge.org/projects/antwrap/")
    (license license:expat)))

(define-public ruby-orderedhash
  (package
    (name "ruby-orderedhash")
    (version "0.0.6")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "orderedhash" version))
              (sha256
               (base32
                "0fryy7f9jbpx33jq5m402yqj01zcg563k9fsxlqbhmq638p4bzd7"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no test suite
    (synopsis "Ruby library providing an order-preserving hash")
    (description "Orderedhash is a Ruby library providing a hash
implementation that preserves the order of items and features some array-like
extensions.")
    (home-page "http://codeforpeople.com/lib/ruby/orderedhash/")
    (license license:public-domain)))

(define-public ruby-libxml
  (package
    (name "ruby-libxml")
    (version "2.8.0")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "libxml-ruby" version))
       (sha256
        (base32
         "1dhjqp4r9vkdp00l6h1cj8qfndzxlhlxk6b9g0w4v55gz857ilhb"))))
    (build-system ruby-build-system)
    (inputs
     `(("zlib" ,zlib)
       ("libxml2" ,libxml2)))
    (arguments
     '(#:tests? #f ; test suite hangs for unknown reason
       #:gem-flags
       (list "--"
             (string-append "--with-xml2-include="
                            (assoc-ref %build-inputs "libxml2")
                            "/include/libxml2" ))))
    (synopsis "Ruby bindings for GNOME Libxml2")
    (description "The Libxml-Ruby project provides Ruby language bindings for
the GNOME Libxml2 XML toolkit.")
    (home-page "http://xml4r.github.com/libxml-ruby")
    (license license:expat)))

(define-public ruby-xml-simple
  (package
    (name "ruby-xml-simple")
    (version "1.1.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "xml-simple" version))
              (sha256
               (base32
                "0xlqplda3fix5pcykzsyzwgnbamb3qrqkgbrhhfz2a2fxhrkvhw8"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no test suite
    (synopsis "Simple Ruby library for XML processing")
    (description "This library provides a simple API for XML processing in
Ruby.")
    (home-page "https://github.com/maik/xml-simple")
    (license license:ruby)))

(define-public ruby-thor
  (package
    (name "ruby-thor")
    (version "0.19.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "thor" version))
              (sha256
               (base32
                "08p5gx18yrbnwc6xc0mxvsfaxzgy2y9i78xq7ds0qmdm67q39y4z"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no test suite
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Ruby toolkit for building command-line interfaces")
    (description "Thor is a toolkit for building powerful command-line
interfaces.")
    (home-page "http://whatisthor.com/")
    (license license:expat)))

(define-public ruby-lumberjack
  (package
    (name "ruby-lumberjack")
    (version "1.0.9")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "lumberjack" version))
              (sha256
               (base32
                "162frm2bwy58pj8ccsdqa4a6i0csrhb9h5l3inhkl1ivgfc8814l"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-rspec" ,ruby-rspec)))
    (synopsis "Logging utility library for Ruby")
    (description "Lumberjack is a simple logging utility that can be a drop in
replacement for Logger or ActiveSupport::BufferedLogger.  It provides support
for automatically rolling log files even with multiple processes writing the
same log file.")
    (home-page "http://github.com/bdurand/lumberjack")
    (license license:expat)))

(define-public ruby-nenv
  (package
    (name "ruby-nenv")
    (version "0.2.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "nenv" version))
              (sha256
               (base32
                "152wxwri0afwgnxdf93gi6wjl9rr5z7vwp8ln0gpa3rddbfc27s6"))))
    (build-system ruby-build-system)
    (arguments
     `(#:tests? #f)) ; no tests included
    (native-inputs
     `(("ruby-rspec" ,ruby-rspec)
       ("bundler" ,bundler)))
    (synopsis "Ruby interface for modifying the environment")
    (description "Nenv provides a convenient wrapper for Ruby's ENV to modify
and inspect the environment.")
    (home-page "https://github.com/e2/nenv")
    (license license:expat)))

(define-public ruby-permutation
  (package
    (name "ruby-permutation")
    (version "0.1.8")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "permutation" version))
              (sha256
               (base32
                "13crwk2vfbzv99czva7881027dbcnidihmvx2jc58z2vm3bp9sl8"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-rakefile
          (lambda _
            (substitute* "Rakefile"
              (("require 'rake/gempackagetask'")
               "require 'rubygems/package_task'")
              (("include Config") ""))
            #t))
         (replace 'check
          (lambda _
            (zero? (system* "ruby" "-Ilib" "test/test.rb")))))))
    (synopsis "Library to perform operations with sequence permutations")
    (description "This package provides a Ruby library to perform different
operations with permutations of sequences, such as strings and arrays.")
    (home-page "http://flori.github.io/permutation")
    (license license:gpl2))) ; GPL 2 only

(define-public ruby-shellany
  (package
    (name "ruby-shellany")
    (version "0.0.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "shellany" version))
              (sha256
               (base32
                "1ryyzrj1kxmnpdzhlv4ys3dnl2r5r3d2rs2jwzbnd1v96a8pl4hf"))))
    (build-system ruby-build-system)
    (arguments
     `(#:test-target "default"
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-version-test
          (lambda _
            (substitute* "spec/shellany_spec.rb"
              (("^RSpec") "require \"shellany\"\nRSpec"))
            #t)))))
    (native-inputs
     `(("ruby-rspec" ,ruby-rspec)
       ("ruby-nenv" ,ruby-nenv)
       ("bundler" ,bundler)))
    (synopsis "Capture command output")
    (description "Shellany is a Ruby library providing functions to capture
the output produced by running shell commands.")
    (home-page "https://rubygems.org/gems/shellany")
    (license license:expat)))

(define-public ruby-notiffany
  (package
    (name "ruby-notiffany")
    (version "0.0.7")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "notiffany" version))
              (sha256
               (base32
                "1v5x1w59qq85r6dpv3y9ga34dfd7hka1qxyiykaw7gm0i6kggbhi"))))
    (build-system ruby-build-system)
    ;; Tests are not included in the gem.
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ruby-shellany" ,ruby-shellany)
       ("ruby-nenv" ,ruby-nenv)))
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Wrapper libray for notification libraries")
    (description "Notiffany is a Ruby wrapper libray for notification
libraries such as Libnotify.")
    (home-page "https://github.com/guard/notiffany")
    (license license:expat)))

(define-public ruby-formatador
  (package
    (name "ruby-formatador")
    (version "0.2.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "formatador" version))
              (sha256
               (base32
                "1gc26phrwlmlqrmz4bagq1wd5b7g64avpx0ghxr9xdxcvmlii0l0"))))
    (build-system ruby-build-system)
    ;; Circular dependency: Tests require ruby-shindo, which requires
    ;; ruby-formatador at runtime.
    (arguments `(#:tests? #f))
    (synopsis "Ruby library to format text on stdout")
    (description "Formatador is a Ruby library to format text printed to the
standard output stream.")
    (home-page "http://github.com/geemus/formatador")
    (license license:expat)))

(define-public ruby-shindo
  (package
    (name "ruby-shindo")
    (version "0.3.8")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "shindo" version))
              (sha256
               (base32
                "0s8v1jbz8i0jh92f2fgxb3p51l1azrpkc8nv4mhrqy4vndpvd7wq"))))
    (build-system ruby-build-system)
    (arguments
     `(#:test-target "shindo_tests"
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-tests
          (lambda _
            (substitute* "Rakefile"
              (("system \"shindo") "system \"./bin/shindo")
              ;; This test doesn't work, so we disable it.
              (("fail \"The build_error test should fail") "#"))
            #t)))))
    (propagated-inputs
     `(("ruby-formatador" ,ruby-formatador)))
    (synopsis "Simple depth first Ruby testing")
    (description "Shindo is a simple depth first testing library for Ruby.")
    (home-page "https://github.com/geemus/shindo")
    (license license:expat)))

(define-public ruby-rubygems-tasks
  (package
    (name "ruby-rubygems-tasks")
    (version "0.2.4")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "rubygems-tasks" version))
              (sha256
               (base32
                "16cp45qlbcglnqdm4f1vj3diywdz4v024saqpgrz6palf0wmgz2j"))))
    (build-system ruby-build-system)
    ;; Tests need Internet access.
    (arguments `(#:tests? #f))
    (native-inputs
     `(("ruby-rspec" ,ruby-rspec)
       ("ruby-yard" ,ruby-yard)))
    (synopsis "Rake tasks for managing and releasing Ruby Gems")
    (description "Rubygems-task provides Rake tasks for managing and releasing
Ruby Gems.")
    (home-page "https://github.com/postmodern/rubygems-tasks")
    (license license:expat)))

(define-public ruby-ffi
  (package
    (name "ruby-ffi")
    (version "1.9.10")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "ffi" version))
              (sha256
               (base32
                "1m5mprppw0xcrv2mkim5zsk70v089ajzqiq5hpyb0xg96fcyzyxj"))))
    (build-system ruby-build-system)
    ;; FIXME: Before running tests the build system attempts to build libffi
    ;; from sources.
    (arguments `(#:tests? #f))
    (native-inputs
     `(("ruby-rake-compiler" ,ruby-rake-compiler)
       ("ruby-rspec" ,ruby-rspec)
       ("ruby-rubygems-tasks" ,ruby-rubygems-tasks)))
    (inputs
     `(("libffi" ,libffi)))
    (synopsis "Ruby foreign function interface library")
    (description "Ruby-FFI is a Ruby extension for programmatically loading
dynamic libraries, binding functions within them, and calling those functions
from Ruby code.  Moreover, a Ruby-FFI extension works without changes on Ruby
and JRuby.")
    (home-page "http://wiki.github.com/ffi/ffi")
    (license license:bsd-3)))

(define-public ruby-simplecov-html
  (package
    (name "ruby-simplecov-html")
    (version "0.10.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "simplecov-html" version))
              (sha256
               (base32
                "1qni8g0xxglkx25w54qcfbi4wjkpvmb28cb7rj5zk3iqynjcdrqf"))))
    (build-system ruby-build-system)
    (arguments `(#:tests? #f)) ; there are no tests
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Default HTML formatter for SimpleCov code coverage tool")
    (description "This package provides the default HTML formatter for
the SimpleCov code coverage tool for Ruby version 1.9 and above.")
    (home-page "https://github.com/colszowka/simplecov-html")
    (license license:expat)))

(define-public ruby-useragent
  (package
    (name "ruby-useragent")
    (version "0.13.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "useragent" version))
              (sha256
               (base32
                "0kz7yyz7528bv4a2kfymvkcm8whqcddhmgaw1ksw1d90n30hhkpc"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no test suite
    (synopsis "HTTP user agent parser for Ruby")
    (description "UserAgent is a Ruby library that parses and compares HTTP
User Agents.")
    (home-page "https://github.com/gshutler/useragent")
    (license license:expat)))

(define-public ruby-bacon
  (package
    (name "ruby-bacon")
    (version "1.2.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "bacon" version))
              (sha256
               (base32
                "1f06gdj77bmwzc1k5iragl1595hbn67yc7sqvs56ca8plrr2vmai"))))
    (build-system ruby-build-system)
    (synopsis "Small RSpec clone")
    (description "Bacon is a small RSpec clone providing all essential
features.")
    (home-page "https://github.com/chneukirchen/bacon")
    (license license:expat)))

(define-public ruby-arel
  (package
    (name "ruby-arel")
    (version "6.0.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "arel" version))
              (sha256
               (base32
                "18wnfnzr2i5p3fygsddjbi1cimws6823nbk8drxidmnj8jz7h0ar"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no test suite
    (synopsis "SQL AST manager for Ruby")
    (description "Arel is a SQL AST manager for Ruby.  It simplifies the
generation of complex SQL queries and adapts to various relational database
implementations.")
    (home-page "https://github.com/rails/arel")
    (license license:expat)))

(define-public ruby-connection-pool
  (package
    (name "ruby-connection-pool")
    (version "2.2.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "connection_pool" version))
              (sha256
               (base32
                "1b2bb3k39ni5mzcnqlv9y4yjkbin20s7dkwzp0jw2jf1rmzcgrmy"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Generic connection pool for Ruby")
    (description "Connection_pool provides a generic connection pooling
interface for Ruby programs.")
    (home-page "https://github.com/mperham/connection_pool")
    (license license:expat)))

(define-public ruby-net-http-persistent
  (package
    (name "ruby-net-http-persistent")
    (version "2.9.4")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "net-http-persistent" version))
              (sha256
               (base32
                "1y9fhaax0d9kkslyiqi1zys6cvpaqx9a0y0cywp24rpygwh4s9r4"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-connection-pool" ,ruby-connection-pool)
       ("ruby-hoe" ,ruby-hoe)))
    (synopsis "Persistent HTTP connection manager")
    (description "Net::HTTP::Persistent manages persistent HTTP connections
using Net::HTTP, supporting reconnection and retry according to RFC 2616.")
    (home-page "https://github.com/drbrain/net-http-persistent")
    (license license:expat)))

(define-public ruby-power-assert
  (package
    (name "ruby-power-assert")
    (version "0.2.6")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "power_assert" version))
              (sha256
               (base32
                "0gbj379jhnff8rbb6m3kzdm282szjz1a021xzxa38d1bnswj2jx3"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Assert library with descriptive assertion messages")
    (description "Power-assert is an assertion library providing descriptive
assertion messages for tests.")
    (home-page "https://github.com/k-tsj/power_assert")
    (license (list license:bsd-2 license:ruby))))

(define-public ruby-locale
  (package
    (name "ruby-locale")
    (version "2.1.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "locale" version))
              (sha256
               (base32
                "1sls9bq4krx0fmnzmlbn64dw23c4d6pz46ynjzrn9k8zyassdd0x"))))
    (build-system ruby-build-system)
    ;; ruby-test-unit is required to run tests, but that needs ruby-packnga,
    ;; which needs ruby-gettext, which needs ruby-locale.  To break the
    ;; dependency cycle we disable tests.
    (arguments `(#:tests? #f))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-yard" ,ruby-yard)))
    (synopsis "Ruby library providing basic localization APIs")
    (description
     "Ruby-Locale is the pure ruby library which provides basic APIs for
localization.")
    (home-page "https://github.com/ruby-gettext/locale")
    (license (list license:lgpl3+ license:ruby))))

(define-public ruby-text
  (package
    (name "ruby-text")
    (version "1.3.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "text" version))
              (sha256
               (base32
                "1x6kkmsr49y3rnrin91rv8mpc3dhrf3ql08kbccw8yffq61brfrg"))))
    (build-system ruby-build-system)
    (synopsis "Collection of text algorithms for Ruby")
    (description
     "This package provides a collection of text algorithms: Levenshtein,
Soundex, Metaphone, Double Metaphone, Porter Stemming.")
    (home-page "http://github.com/threedaymonk/text")
    (license license:expat)))

(define-public ruby-gettext
  (package
    (name "ruby-gettext")
    (version "3.1.7")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "gettext" version))
              (sha256
               (base32
                "1hg9islkm324mb4sd4za1fgafj1hqnm3bdvzj3k4fqpnzqnbcfiq"))))
    (build-system ruby-build-system)
    ;; ruby-test-unit is required to run tests, but that needs ruby-packnga,
    ;; which needs ruby-gettext.  To break the dependency cycle we disable
    ;; tests.
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ruby-locale" ,ruby-locale)
       ("ruby-text" ,ruby-text)))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-yard" ,ruby-yard)))
    (synopsis "GNU gettext-like program for Ruby")
    (description
     "Gettext is a GNU gettext-like program for Ruby.  The catalog
file (po-file) used is the same as that used by GNU gettext, allowing you to
use GNU gettext tools for maintenance.")
    (home-page "http://ruby-gettext.github.com/")
    (license (list license:lgpl3+ license:ruby))))

(define-public ruby-packnga
  (package
    (name "ruby-packnga")
    (version "1.0.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "packnga" version))
              (sha256
               (base32
                "1i71yhvlkvi5fp3m8jl9317cnddkbnrcy0syrmiw4y1lrq0cbncj"))))
    (build-system ruby-build-system)
    ;; ruby-test-unit is required to run tests, but that needs ruby-packnga.
    ;; To break the dependency cycle we disable tests.
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ruby-gettext" ,ruby-gettext)
       ("ruby-yard" ,ruby-yard)))
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Utility library to package internationalized libraries")
    (description
     "Packnga is a library to translate to many languages using YARD.")
    (home-page "http://ranguba.org/packnga/")
    (license license:lgpl2.0+)))

(define-public ruby-test-unit
  (package
    (name "ruby-test-unit")
    (version "3.1.5")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "test-unit" version))
              (sha256
               (base32
                "0jxznjzwmrlp8wqjxsd06qbiddffn68pdhz6nrqpjbiln1z3af4w"))))
    (build-system ruby-build-system)
    (propagated-inputs
     `(("ruby-power-assert" ,ruby-power-assert)))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-packnga" ,ruby-packnga)
       ("ruby-yard" ,ruby-yard)))
    (synopsis "Unit testing framework for Ruby")
    (description "@code{Test::Unit} is unit testing framework for Ruby, based
on xUnit principles.  These were originally designed by Kent Beck, creator of
extreme programming software development methodology, for Smalltalk's SUnit.
It allows writing tests, checking results and automated testing in Ruby.")
    (home-page "http://test-unit.github.io/")
    (license (list license:psfl license:ruby))))

(define-public ruby-metaclass
  (package
    (name "ruby-metaclass")
    (version "0.0.4")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "metaclass" version))
              (sha256
               (base32
                "0hp99y2b1nh0nr8pc398n3f8lakgci6pkrg4bf2b2211j1f6hsc5"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'add-test-unit-to-search-path
          (lambda* (#:key inputs #:allow-other-keys)
            (substitute* "Rakefile"
              (("t\\.libs << \"test\"" line)
               (string-append line "; t.libs << \""
                              (assoc-ref inputs "ruby-test-unit")
                              "/lib/ruby/gems/2.2.0/gems/test-unit-"
                              ,(package-version ruby-test-unit)
                              "/lib\"")))
            #t)))))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-test-unit" ,ruby-test-unit)))
    (synopsis "Ruby library adding metaclass method to all objects")
    (description
     "Metaclass is a Ruby library adding a @code{metaclass} method to all Ruby
objects.")
    (home-page "http://github.com/floehopper/metaclass")
    (license license:expat)))

(define-public ruby-blankslate
  (package
    (name "ruby-blankslate")
    (version "3.1.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "blankslate" version))
              (sha256
               (base32
                "0fwkb4d1j9gc7vdwn2nxvwgy2g5wlag4c4bp7bl85jvq0kgp6cyx"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (replace 'check
          (lambda _ (zero? (system* "rspec" "spec/")))))))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-rspec" ,ruby-rspec)))
    (synopsis "Abstract base class with no predefined methods")
    (description
     "BlankSlate provides an abstract base class with no predefined
methods (except for @code{__send__} and @code{__id__}).  BlankSlate is useful
as a base class when writing classes that depend upon
@code{method_missing} (e.g. dynamic proxies).")
    (home-page "http://github.com/masover/blankslate")
    (license license:expat)))

(define-public ruby-instantiator
  (package
    (name "ruby-instantiator")
    (version "0.0.6")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "instantiator" version))
              (sha256
               (base32
                "0mfmqhg9xrv9i8i1kmphf15ywddhivyh2z3ccl0xjw8qy54zr21i"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'add-test-unit-to-search-path
          (lambda* (#:key inputs #:allow-other-keys)
            (substitute* "Rakefile"
              (("t\\.libs << \"test\"" line)
               (string-append line "; t.libs << \""
                              (assoc-ref inputs "ruby-test-unit")
                              "/lib/ruby/gems/2.2.0/gems/test-unit-"
                              ,(package-version ruby-test-unit)
                              "/lib\"")))
            #t)))))
    (propagated-inputs
     `(("ruby-blankslate" ,ruby-blankslate)))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-test-unit" ,ruby-test-unit)))
    (synopsis "Instantiate an arbitrary Ruby class")
    (description
     "Instantiator lets you instantiate an arbitrary Ruby class without
knowing anything about the constructor.")
    (home-page "https://github.com/floehopper/instantiator")
    (license license:expat)))

(define-public ruby-introspection
  (package
    (name "ruby-introspection")
    (version "0.0.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "introspection" version))
              (sha256
               (base32
                "0g1j71sqfxbqk32wj7d0bkd3dlayfqzprfq3dbr0rq107xbxjcrr"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'add-test-unit-to-search-path
          (lambda* (#:key inputs #:allow-other-keys)
            (substitute* "Rakefile"
              (("t\\.libs << \"test\"" line)
               (string-append line "; t.libs << \""
                              (assoc-ref inputs "ruby-test-unit")
                              "/lib/ruby/gems/2.2.0/gems/test-unit-"
                              ,(package-version ruby-test-unit)
                              "/lib\"")))
            #t)))))
    (propagated-inputs
     `(("ruby-instantiator" ,ruby-instantiator)
       ("ruby-metaclass" ,ruby-metaclass)))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-blankslate" ,ruby-blankslate)
       ("ruby-test-unit" ,ruby-test-unit)))
    (synopsis "Dynamic inspection of the method hierarchy on a Ruby object")
    (description
     "Introspection provides tools to inspect the hierarchy of method
definitions on a Ruby object.")
    (home-page "https://github.com/floehopper/introspection")
    (license license:expat)))

(define-public ruby-redcarpet
  (package
    (name "ruby-redcarpet")
    (version "3.3.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "redcarpet" version))
              (sha256
               (base32
                "14i3wypp97bpk20679d1csy88q4hsgfqbnqw6mryl77m2g0d09pk"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         ;; The gem archive does not include the conformance tests.
         (add-after 'unpack 'disable-conformance-tests
          (lambda _
            (substitute* "Rakefile"
              (("task :test => %w\\[test:unit test:conformance\\]")
               "task :test => %w[test:unit]"))
            #t)))))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-test-unit" ,ruby-test-unit)
       ("ruby-rake-compiler" ,ruby-rake-compiler)))
    (synopsis "Extensible Markdown to (X)HTML converter")
    (description
     "Redcarpet is an extensible Ruby library for Markdown processing and
conversion to (X)HTML.")
    (home-page "http://github.com/vmg/redcarpet")
    (license license:expat)))

(define-public ruby-mocha
  (package
    (name "ruby-mocha")
    (version "1.1.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "mocha" version))
              (sha256
               (base32
                "107nmnngbv8lq2g7hbjpn5kplb4v2c8gs9lxrg6vs8gdbddkilzi"))))
    (build-system ruby-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'add-test-unit-to-search-path
          (lambda* (#:key inputs #:allow-other-keys)
            (substitute* "Rakefile"
              (("t\\.libs << 'test'" line)
               (string-append line "; t.libs << \""
                              (assoc-ref inputs "ruby-test-unit")
                              "/lib/ruby/gems/2.2.0/gems/test-unit-"
                              ,(package-version ruby-test-unit)
                              "/lib\"")))
            #t))
         (add-before 'check 'use-latest-redcarpet
          (lambda _
            (substitute* "mocha.gemspec"
              (("<redcarpet>, \\[\"~> 1\"\\]")
               "<redcarpet>, [\">= 3\"]"))
            #t))
         (add-before 'check 'hardcode-version
          (lambda _
            ;; Mocha is undefined at build time
            (substitute* "Rakefile"
              (("#\\{Mocha::VERSION\\}") ,version))
            #t))
         (add-before 'check 'remove-failing-test
          ;; FIXME: This test fails for reasons unrelated to Guix packaging.
          (lambda _
            (delete-file "test/acceptance/stubbing_nil_test.rb")
            #t)))))
    (propagated-inputs
     `(("ruby-metaclass" ,ruby-metaclass)))
    (native-inputs
     `(("bundler" ,bundler)
       ("ruby-yard" ,ruby-yard)
       ("ruby-introspection" ,ruby-introspection)
       ("ruby-test-unit" ,ruby-test-unit)
       ("ruby-redcarpet" ,ruby-redcarpet)))
    (synopsis "Mocking and stubbing library for Ruby")
    (description
     "Mocha is a mocking and stubbing library with JMock/SchMock syntax, which
allows mocking and stubbing of methods on real (non-mock) classes.")
    (home-page "http://gofreerange.com/mocha/docs")
    (license license:expat)))

(define-public ruby-net-ssh
  (package
    (name "ruby-net-ssh")
    (version "3.0.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "net-ssh" version))
              (sha256
               (base32
                "1dzqkgwi9xm6mbfk1rkk17rzmz8m5xakqi21w1b97ybng6kkw0hf"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-mocha" ,ruby-mocha)
       ("ruby-test-unit" ,ruby-test-unit)))
    (synopsis "Ruby implementation of the SSH2 client protocol")
    (description "@code{Net::SSH} is a pure-Ruby implementation of the SSH2
client protocol.  It allows you to write programs that invoke and interact
with processes on remote servers, via SSH2.")
    (home-page "https://github.com/net-ssh/net-ssh")
    (license license:expat)))

(define-public ruby-minitest
  (package
    (name "ruby-minitest")
    (version "5.7.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "minitest" version))
              (sha256
               (base32
                "0rxqfakp629mp3vwda7zpgb57lcns5znkskikbfd0kriwv8i1vq8"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-hoe" ,ruby-hoe)))
    (synopsis "Small test suite library for Ruby")
    (description "Minitest provides a complete suite of Ruby testing
facilities supporting TDD, BDD, mocking, and benchmarking.")
    (home-page "https://github.com/seattlerb/minitest")
    (license license:expat)))

(define-public ruby-minitest-sprint
  (package
    (name "ruby-minitest-sprint")
    (version "1.1.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "minitest-sprint" version))
              (sha256
               (base32
                "179d6pj56l9xzm46fqsqj10mzjkr1f9fv4cxa8wvchs97hqz33w1"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-hoe" ,ruby-hoe)
       ("ruby-minitest" ,ruby-minitest)))
    (synopsis "Fast test suite runner for minitest")
    (description "Minitest-sprint is a test runner for minitest that makes it
easier to re-run individual failing tests.")
    (home-page "https://github.com/seattlerb/minitest-sprint")
    (license license:expat)))

(define-public ruby-minitest-bacon
  (package
    (name "ruby-minitest-bacon")
    (version "1.0.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "minitest-bacon" version))
              (sha256
               (base32
                "0cm7r68422743i3b6fm4rrm0r6cnnjmglq5gcmmgl1f0rk5hnf6r"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-hoe" ,ruby-hoe)))
    (inputs
     `(("ruby-minitest" ,ruby-minitest)))
    (synopsis "Bacon compatibility library for minitest")
    (description "Minitest-bacon extends minitest with bacon-like
functionality, making it easier to migrate test suites from bacon to minitest.")
    (home-page "https://github.com/seattlerb/minitest-bacon")
    (license license:expat)))

(define-public ruby-daemons
  (package
    (name "ruby-daemons")
    (version "1.2.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "daemons" version))
              (sha256
               (base32
                "121c7vkimg3baxga69xvdkwxiq8wkmxqvdbyqi5i82vhih5d3cn3"))))
    (build-system ruby-build-system)
    (arguments
     `(#:tests? #f)) ; no test suite
    (synopsis "Daemonize Ruby programs")
    (description "Daemons provides a way to wrap existing Ruby scripts to be
run as a daemon and to be controlled by simple start/stop/restart commands.")
    (home-page "https://github.com/thuehlinger/daemons")
    (license license:expat)))

(define-public ruby-git
  (package
    (name "ruby-git")
    (version "1.2.9.1")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "git" version))
              (sha256
               (base32
                "1sqfj8lmhl7c5zamcckkpik4izfph2zkv6krw0i8mzj5pdws5acs"))))
    (build-system ruby-build-system)
    (arguments
     `(#:tests? #f ; no tests
       #:phases (modify-phases %standard-phases
                  (add-after 'install 'patch-git-binary
                    (lambda* (#:key inputs outputs #:allow-other-keys)
                      ;; Make the default git binary an absolute path to the
                      ;; store.
                      (let ((git    (string-append (assoc-ref inputs "git")
                                                   "/bin/git"))
                            (config (string-append (getenv "GEM_HOME")
                                                   "/gems/git-" ,version
                                                   "/lib/git/config.rb")))
                        (substitute* (list config)
                          (("'git'")
                           (string-append "'" git "'")))
                        #t))))))
    (inputs
     `(("git" ,git)))
    (synopsis "Ruby wrappers for Git")
    (description "Ruby/Git is a Ruby library that can be used to create, read
and manipulate Git repositories by wrapping system calls to the git binary.")
    (home-page "https://github.com/schacon/ruby-git")
    (license license:expat)))

(define-public ruby-slop
  (package
    (name "ruby-slop")
    (version "4.1.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "slop" version))
              (sha256
               (base32
                "0dj0ps6v1mqd02k84mgwd7hp578n2bzl7c51h3grdhxfl3jkfsj5"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-minitest" ,ruby-minitest)))
    (synopsis "Ruby command line option parser")
    (description "Slop provides a Ruby domain specific language for gathering
options and parsing command line flags.")
    (home-page "https://github.com/leejarvis/slop")
    (license license:expat)))

(define-public ruby-slop-3
  (package (inherit ruby-slop)
    (version "3.6.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "slop" version))
              (sha256
               (base32
                "00w8g3j7k7kl8ri2cf1m58ckxk8rn350gp4chfscmgv6pq1spk3n"))))))

(define-public ruby-multipart-post
  (package
    (name "ruby-multipart-post")
    (version "2.0.0")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "multipart-post" version))
              (sha256
               (base32
                "09k0b3cybqilk1gwrwwain95rdypixb2q9w65gd44gfzsd84xi1x"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("bundler" ,bundler)))
    (synopsis "Multipart POST library for Ruby")
    (description "Multipart-Post Adds multipart POST capability to Ruby's
net/http library.")
    (home-page "https://github.com/nicksieger/multipart-post")
    (license license:expat)))

(define-public ruby-arel
  (package
    (name "ruby-arel")
    (version "6.0.3")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "arel" version))
              (sha256
               (base32
                "1a270mlajhrmpqbhxcqjqypnvgrq4pgixpv3w9gwp1wrrapnwrzk"))))
    (build-system ruby-build-system)
    (arguments '(#:tests? #f)) ; no tests
    (home-page "https://github.com/rails/arel")
    (synopsis "SQL AST manager for Ruby")
    (description "Arel is a SQL AST manager for Ruby.  It simplifies the
generation of complex SQL queries and is compatible with various RDBMSes.")
    (license license:expat)))

(define-public ruby-minitar
  (package
    (name "ruby-minitar")
    (version "0.5.4")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "minitar" version))
       (sha256
        (base32
         "1vpdjfmdq1yc4i620frfp9af02ia435dnpj8ybsd7dc3rypkvbka"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; missing a gemspec
    (synopsis "Ruby library and utility for handling tar archives")
    (description
     "Archive::Tar::Minitar is a pure-Ruby library and command-line utility
that provides the ability to deal with POSIX tar archive files.")
    (home-page "http://www.github.com/atoulme/minitar")
    (license (list license:gpl2+ license:ruby))))

(define-public ruby-mini-portile
  (package
    (name "ruby-mini-portile")
    (version "0.6.2")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "mini_portile" version))
       (sha256
        (base32
         "0h3xinmacscrnkczq44s6pnhrp4nqma7k056x5wv5xixvf2wsq2w"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; tests require network access
    (synopsis "Ports system for Ruby developers")
    (description "Mini-portile is a port/recipe system for Ruby developers.
It provides a standard way to compile against specific versions of libraries
to reproduce user environments.")
    (home-page "http://github.com/flavorjones/mini_portile")
    (license license:expat)))

(define-public ruby-nokogiri
  (package
    (name "ruby-nokogiri")
    (version "1.6.6.2")
    (source (origin
              (method url-fetch)
              (uri (rubygems-uri "nokogiri" version))
              (sha256
               (base32
                "1j4qv32qjh67dcrc1yy1h8sqjnny8siyy4s44awla8d6jk361h30"))))
    (build-system ruby-build-system)
    (arguments
     ;; Tests fail because Nokogiri can only test with an installed extension,
     ;; and also because many test framework dependencies are missing.
     '(#:tests? #f
       #:gem-flags (list "--" "--use-system-libraries"
                         (string-append "--with-xml2-include="
                                        (assoc-ref %build-inputs "libxml2")
                                        "/include/libxml2" ))))
    (native-inputs
     `(("ruby-hoe" ,ruby-hoe)
       ("ruby-rake-compiler", ruby-rake-compiler)))
    (inputs
     `(("zlib" ,zlib)
       ("libxml2" ,libxml2)
       ("libxslt" ,libxslt)))
    (propagated-inputs
     `(("ruby-mini-portile" ,ruby-mini-portile)))
    (synopsis "HTML, XML, SAX, and Reader parser for Ruby")
    (description "Nokogiri (鋸) parses and searches XML/HTML, and features
both CSS3 selector and XPath 1.0 support.")
    (home-page "http://www.nokogiri.org/")
    (license license:expat)))

(define-public ruby-method-source
  (package
    (name "ruby-method-source")
    (version "0.8.2")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "method_source" version))
       (sha256
        (base32
         "1g5i4w0dmlhzd18dijlqw5gk27bv6dj2kziqzrzb7mpgxgsd1sf2"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("ruby-bacon" ,ruby-bacon)
       ("git" ,git)))
    (synopsis "Retrieve the source code for Ruby methods")
    (description "Method_source retrieves the source code for Ruby methods.
Additionally, it can extract source code from Proc and Lambda objects or just
extract comments.")
    (home-page "https://github.com/banister/method_source")
    (license license:expat)))

(define-public ruby-coderay
  (package
    (name "ruby-coderay")
    (version "1.1.0")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "coderay" version))
       (sha256
        (base32
         "059wkzlap2jlkhg460pkwc1ay4v4clsmg1bp4vfzjzkgwdckr52s"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; missing test files
    (synopsis "Ruby syntax highlighting library")
    (description "Coderay is a Ruby library that provides syntax highlighting
for select languages.")
    (home-page "http://coderay.rubychan.de")
    (license license:expat)))

(define-public ruby-pry
  (package
    (name "ruby-pry")
    (version "0.10.1")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "pry" version))
       (sha256
        (base32
         "1j0r5fm0wvdwzbh6d6apnp7c0n150hpm9zxpm5xvcgfqr36jaj8z"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no tests
    (propagated-inputs
     `(("ruby-coderay" ,ruby-coderay)
       ("ruby-method-source" ,ruby-method-source)
       ("ruby-slop" ,ruby-slop-3)))
    (synopsis "Ruby REPL")
    (description "Pry is an IRB alternative and runtime developer console for
Ruby.  It features syntax highlighting, a plugin architecture, runtime
invocation, and source and documentation browsing.")
    (home-page "http://pryrepl.org")
    (license license:expat)))

(define-public ruby-thread-safe
  (package
    (name "ruby-thread-safe")
    (version "0.3.5")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "thread_safe" version))
       (sha256
        (base32
         "1hq46wqsyylx5afkp6jmcihdpv4ynzzq9ygb6z2pb1cbz5js0gcr"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; needs simplecov, among others
    (synopsis "Thread-safe utilities for Ruby")
    (description "The thread_safe library provides thread-safe collections and
utilities for Ruby.")
    (home-page "https://github.com/ruby-concurrency/thread_safe")
    (license license:asl2.0)))

(define-public ruby-tzinfo
  (package
    (name "ruby-tzinfo")
    (version "1.2.2")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "tzinfo" version))
       (sha256
        (base32
         "1c01p3kg6xvy1cgjnzdfq45fggbwish8krd0h864jvbpybyx7cgx"))))
    (build-system ruby-build-system)
    (propagated-inputs
     `(("ruby-thread-safe" ,ruby-thread-safe)))
    (synopsis "Time zone library for Ruby")
    (description "TZInfo is a Ruby library that provides daylight savings
aware transformations between times in different time zones.")
    (home-page "http://tzinfo.github.io")
    (license license:expat)))

(define-public ruby-rb-inotify
  (package
    (name "ruby-rb-inotify")
    (version "0.9.5")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "rb-inotify" version))
       (sha256
        (base32
         "0kddx2ia0qylw3r52nhg83irkaclvrncgy2m1ywpbhlhsz1rymb9"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f ; there are no tests
       #:phases
       (modify-phases %standard-phases
         ;; Building the gemspec with rake is not working here since it is
         ;; generated with Jeweler.  It is also unnecessary because the
         ;; existing gemspec does not use any development tools to generate a
         ;; list of files.
         (replace 'build
          (lambda _
            (zero? (system* "gem" "build" "rb-inotify.gemspec")))))))
    (propagated-inputs
     `(("ruby-ffi" ,ruby-ffi)))
    (native-inputs
     `(("ruby-yard" ,ruby-yard)))
    (synopsis "Ruby wrapper for Linux's inotify")
    (description "rb-inotify is a simple wrapper over the @code{inotify} Linux
kernel subsystem for monitoring changes to files and directories.")
    (home-page "https://github.com/nex3/rb-inotify")
    (license license:expat)))

(define-public ruby-json
  (package
    (name "ruby-json")
    (version "1.8.3")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "json" version))
       (sha256
        (base32
         "1nsby6ry8l9xg3yw4adlhk2pnc7i0h0rznvcss4vk3v74qg0k8lc"))))
    (build-system ruby-build-system)
    (arguments '(#:tests? #f)) ; dependency cycle with sdoc
    (synopsis "JSON library for Ruby")
    (description "This Ruby library provides a JSON implementation written as
a native C extension.")
    (home-page "http://json-jruby.rubyforge.org/")
    (license (list license:ruby license:gpl2)))) ; GPL2 only

(define-public ruby-listen
  (package
    (name "ruby-listen")
    (version "3.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "listen" version))
       (sha256
        (base32
         "10lhshjklxlrkw7999j0xl6sdxd4x32kiy8rp88jwr68kis5vq2b"))))
    (build-system ruby-build-system)
    (arguments '(#:tests? #f)) ; no tests
    (propagated-inputs
     ;; FIXME: omitting "ruby-rb-fsevent" which is only for MacOS.
     `(("ruby-rb-inotify" ,ruby-rb-inotify)))
    (synopsis "Listen to file modifications")
    (description "The Listen gem listens to file modifications and notifies
you about the changes.")
    (home-page "https://github.com/guard/listen")
    (license license:expat)))

(define-public ruby-activesupport
  (package
    (name "ruby-activesupport")
    (version "4.2.4")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "activesupport" version))
       (sha256
        (base32
         "19n38rj6r1gyxgka18qvcxyla0fwan8a5p3ghq0pp8aj93sbmr6f"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no tests
    (propagated-inputs
     `(("ruby-i18n" ,ruby-i18n)
       ("ruby-json" ,ruby-json)
       ("ruby-minitest" ,ruby-minitest)
       ("ruby-thread-safe" ,ruby-thread-safe)
       ("ruby-tzinfo" ,ruby-tzinfo)))
    (synopsis "Ruby on Rails utility library")
    (description "ActiveSupport is a toolkit of support libraries and Ruby
core extensions extracted from the Rails framework.  It includes support for
multibyte strings, internationalization, time zones, and testing.")
    (home-page "http://www.rubyonrails.org")
    (license license:expat)))

(define-public ruby-ox
  (package
    (name "ruby-ox")
    (version "2.2.1")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "ox" version))
       (sha256
        (base32
         "00i11xd4ayh7349rhgskajfxn0qzkb74ab01217zix9qcapssxax"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no tests
    (synopsis "Optimized XML library for Ruby")
    (description
     "Optimized XML (Ox) is a fast XML parser and object serializer for Ruby
written as a native C extension.  It was designed to be an alternative to
Nokogiri and other Ruby XML parsers for generic XML parsing and as an
alternative to Marshal for Object serialization. ")
    (home-page "http://www.ohler.com/ox")
    (license license:expat)))

(define-public ruby-pg
  (package
    (name "ruby-pg")
    (version "0.18.2")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "pg" version))
       (sha256
        (base32
         "1axxbf6ij1iqi3i1r3asvjc80b0py5bz0m2wy5kdi5xkrpr82kpf"))))
    (build-system ruby-build-system)
    (arguments
     '(#:test-target "spec"))
    (native-inputs
     `(("ruby-rake-compiler" ,ruby-rake-compiler)
       ("ruby-hoe" ,ruby-hoe)
       ("ruby-rspec" ,ruby-rspec)))
    (inputs
     `(("postgresql" ,postgresql)))
    (synopsis "Ruby interface to PostgreSQL")
    (description "Pg is the Ruby interface to the PostgreSQL RDBMS.  It works
with PostgreSQL 8.4 and later.")
    (home-page "https://bitbucket.org/ged/ruby-pg")
    (license license:ruby)))

(define-public ruby-byebug
  (package
    (name "ruby-byebug")
    (version "6.0.2")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "byebug" version))
       (sha256
        (base32
         "0537h9qbhr6csahmzyn4lk1g5b2lcligbzd21gfy93nx9lbfdnzc"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; no tests
    (synopsis "Debugger for Ruby 2")
    (description "Byebug is a Ruby 2 debugger implemented using the Ruby 2
TracePoint C API for execution control and the Debug Inspector C API for call
stack navigation.  The core component provides support that front-ends can
build on.  It provides breakpoint handling and bindings for stack frames among
other things and it comes with a command line interface.")
    (home-page "http://github.com/deivid-rodriguez/byebug")
    (license license:bsd-2)))

(define-public ruby-rack
  (package
    (name "ruby-rack")
    (version "1.6.4")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "rack" version))
       (sha256
        (base32
         "09bs295yq6csjnkzj7ncj50i6chfxrhmzg1pk6p0vd2lb9ac8pj5"))))
    (build-system ruby-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-before 'check 'fix-tests
           (lambda _
             ;; A few of the tests use the length of a file on disk for
             ;; Content-Length and Content-Range headers.  However, this file
             ;; has a shebang in it which an earlier phase patches, growing
             ;; the file size from 193 to 239 bytes when the store prefix is
             ;; "/gnu/store".
             (let ((size-diff (- (string-length (which "ruby"))
                                 (string-length "/usr/bin/env ruby"))))
               (substitute* '("test/spec_file.rb")
                 (("193")
                  (number->string (+ 193 size-diff)))
                 (("bytes(.)22-33" all delimiter)
                  (string-append "bytes"
                                 delimiter
                                 (number->string (+ 22 size-diff))
                                 "-"
                                 (number->string (+ 33 size-diff))))))
             #t)))))
    (native-inputs
     `(("ruby-bacon" ,ruby-bacon)))
    (synopsis "Unified web application interface for Ruby")
    (description "Rack provides a minimal, modular and adaptable interface for
developing web applications in Ruby.  By wrapping HTTP requests and responses,
it unifies the API for web servers, web frameworks, and software in between
into a single method call.")
    (home-page "http://rack.github.io/")
    (license license:expat)))

(define-public ruby-docile
  (package
    (name "ruby-docile")
    (version "1.1.5")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "docile" version))
       (sha256
        (base32
         "0m8j31whq7bm5ljgmsrlfkiqvacrw6iz9wq10r3gwrv5785y8gjx"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; needs github-markup, among others
    (synopsis "Ruby EDSL helper library")
    (description "Docile is a Ruby library that provides an interface for
creating embedded domain specific languages (EDSLs) that manipulate existing
Ruby classes.")
    (home-page "https://ms-ati.github.io/docile/")
    (license license:expat)))

(define-public ruby-gherkin3
  (package
    (name "ruby-gherkin3")
    (version "3.1.1")
    (source
      (origin
        (method url-fetch)
        (uri (rubygems-uri "gherkin3" version))
        (sha256
          (base32
            "0xsyxhqa1gwcxzvsdy4didaiq5vam8ma3fbwbw2w60via4k6r1z9"))))
    (build-system ruby-build-system)
    (native-inputs
     `(("bundler" ,bundler)))
    (arguments
     '(#:tests? #f)) ; needs simplecov, among others
    (synopsis "Gherkin parser for Ruby")
    (description "Gherkin 3 is a parser and compiler for the Gherkin language.
It is intended to replace Gherkin 2 and be used by all Cucumber
implementations to parse '.feature' files.")
    (home-page "https://github.com/cucumber/gherkin3")
    (license license:expat)))

(define-public ruby-cucumber-core
  (package
    (name "ruby-cucumber-core")
    (version "1.3.0")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "cucumber-core" version))
       (sha256
        (base32
         "12mrzf0s96izpq0k10lahlkgwc4fjs0zfs344rh8r8h3w3jyppr8"))))
    (build-system ruby-build-system)
    (propagated-inputs
     `(("ruby-gherkin3" ,ruby-gherkin3)))
    (native-inputs
     `(("bundler" ,bundler)))
    (arguments
     '(#:tests? #f)) ; needs simplecov, among others
    (synopsis "Core library for the Cucumber BDD app")
    (description "Cucumber is a tool for running automated tests
written in plain language.  Because they're written in plain language,
they can be read by anyone on your team.  Because they can be read by
anyone, you can use them to help improve communication, collaboration
and trust on your team.")
    (home-page "https://cucumber.io/")
    (license license:expat)))

(define-public ruby-bio-logger
  (package
    (name "ruby-bio-logger")
    (version "1.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "bio-logger" version))
       (sha256
        (base32
         "02pylfy8nkdqzyzplvnhn1crzmfkj1zmi3qjhrj2f2imlxvycd28"))))
    (build-system ruby-build-system)
    (arguments
     `(#:tests? #f)) ; rake errors, missing shoulda
    (propagated-inputs
     `(("ruby-log4r" ,ruby-log4r)))
    (synopsis "Log4r wrapper for Ruby")
    (description "Bio-logger is a wrapper around Log4r adding extra logging
features such as filtering and fine grained logging.")
    (home-page "https://github.com/pjotrp/bioruby-logger-plugin")
    (license license:expat)))

(define-public ruby-yard
  (package
    (name "ruby-yard")
    (version "0.8.7.6")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "yard" version))
       (sha256
        (base32
         "1dj6ibc0qqvmb5a5r5kk0vhr04mnrz9b26gnfrs5p8jgp620i89x"))))
    (build-system ruby-build-system)
    (arguments
     `(#:test-target "specs"
       #:phases
       (modify-phases %standard-phases
         (add-before 'check 'set-HOME
          ;; $HOME needs to be set to somewhere writeable for tests to run
          (lambda _ (setenv "HOME" "/tmp") #t)))))
    (native-inputs
     `(("ruby-rspec" ,ruby-rspec-2)
       ("ruby-rack" ,ruby-rack)))
    (synopsis "Documentation generation tool for Ruby")
    (description
     "YARD is a documentation generation tool for the Ruby programming
language.  It enables the user to generate consistent, usable documentation
that can be exported to a number of formats very easily, and also supports
extending for custom Ruby constructs such as custom class level definitions.")
    (home-page "http://yardoc.org")
    (license license:expat)))

(define-public ruby-eventmachine
  (package
    (name "ruby-eventmachine")
    (version "1.0.8")
    (source
     (origin
       (method url-fetch)
       (uri (rubygems-uri "eventmachine" version))
       (sha256
        (base32
         "1frvpk3p73xc64qkn0ymll3flvn4xcycq5yx8a43zd3gyzc1ifjp"))))
    (build-system ruby-build-system)
    (arguments
     '(#:tests? #f)) ; test suite tries to connect to google.com
    (native-inputs
     `(("ruby-rake-compiler" ,ruby-rake-compiler)))
    (synopsis "Single-threaded network event framework for Ruby")
    (description
     "EventMachine implements a single-threaded engine for arbitrary network
communications.  EventMachine wraps all interactions with sockets, allowing
programs to concentrate on the implementation of network protocols.  It can be
used to create both network servers and clients.")
    (home-page "http://rubyeventmachine.com")
    (license (list license:ruby license:gpl3)))) ; GPLv3 only AFAICT