[PATCH] Add ruby-rb-inotify, ruby-listen, ruby-permutation.

[Ricardo Wurmus]

>From 9b971d3ce5eaf2b8b773145eeff9504f321df898 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Fri, 30 Oct 2015 16:43:51 +0100
Subject: [PATCH 1/3] gnu: Add ruby-rb-inotify.

* gnu/packages/ruby.scm (ruby-rb-inotify): New variable.
---
 gnu/packages/ruby.scm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 56237e1..91b290d 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1299,6 +1299,39 @@ 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")
-- 
2.1.0

>From 396c3fcdc5f98892bf3e3cfddd9d09a8d6af27c7 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Fri, 30 Oct 2015 16:44:12 +0100
Subject: [PATCH 2/3] gnu: Add ruby-listen.

* gnu/packages/ruby.scm (ruby-listen): New variable.
---
 gnu/packages/ruby.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 91b290d..474290f 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1351,6 +1351,28 @@ 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")
-- 
2.1.0

>From b6b5f8dadd7681430c4191769e00b861a669371c Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Fri, 30 Oct 2015 17:17:21 +0100
Subject: [PATCH 3/3] gnu: Add ruby-permutation.

* gnu/packages/ruby.scm (ruby-permutation): New variable.
---
 gnu/packages/ruby.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 474290f..67e5dfa 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -649,6 +649,36 @@ 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")
-- 
2.1.0