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-rw-r--r--gnu/packages/ruby.scm49
1 files changed, 49 insertions, 0 deletions
diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 703ca37aa0..dcf4cda26a 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -3716,6 +3716,55 @@ used to create both network servers and clients.")
(home-page "http://rubyeventmachine.com")
(license (list license:ruby license:gpl3)))) ; GPLv3 only AFAICT
+(define-public ruby-ruby-engine
+ (package
+ (name "ruby-ruby-engine")
+ (version "1.0.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (rubygems-uri "ruby_engine" version))
+ (sha256
+ (base32
+ "1d0sd4q50zkcqhr395wj1wpn2ql52r0fpwhzjfvi1bljml7k546v"))))
+ (build-system ruby-build-system)
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-before 'check 'clean-up
+ (lambda _
+ (delete-file "Gemfile.lock")
+ (substitute* "ruby_engine.gemspec"
+ ;; Remove unnecessary imports that would entail further
+ ;; dependencies.
+ ((".*<rdoc.*") "")
+ ((".*<rubygems-tasks.*") "")
+ ;; Remove extraneous .gem file
+ (("\\\"pkg/ruby_engine-1.0.0.gem\\\",") "")
+ ;; Soften rake dependency
+ (("%q<rake>.freeze, \\[\\\"~> 10.0\\\"\\]")
+ "%q<rake>.freeze, [\">= 10.0\"]")
+ ;; Soften the rspec dependency
+ (("%q<rspec>.freeze, \\[\\\"~> 2.4\\\"\\]")
+ "%q<rspec>.freeze, [\">= 2.4\"]"))
+ (substitute* "Rakefile"
+ (("require 'rubygems/tasks'") "")
+ (("Gem::Tasks.new") ""))
+ ;; Remove extraneous .gem file that otherwise gets installed.
+ (delete-file "pkg/ruby_engine-1.0.0.gem")
+ #t)))))
+ (native-inputs
+ `(("bundler" ,bundler)
+ ("ruby-rake" ,ruby-rake)
+ ("ruby-rspec" ,ruby-rspec)))
+ (synopsis "Simplifies checking for Ruby implementation")
+ (description
+ "@code{ruby_engine} provides an RubyEngine class that can be used to
+check which implementation of Ruby is in use. It can provide the interpreter
+name and provides query methods such as @{RubyEngine.mri?}.")
+ (home-page "https://github.com/janlelis/ruby_engine")
+ (license license:expat)))
+
(define-public ruby-turn
(package
(name "ruby-turn")