Use Gemfile instead of Gem::Specification#add_development_dependency.

hsbt · hsbt · commit 17a9de6d9b6c · 2019-08-12T21:05:53.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in fileutils.gemspec
 gemspec
+
+group :development do
+  gem "rake"
+end
diff --git a/fileutils.gemspec b/fileutils.gemspec
@@ -27,6 +27,4 @@ Gem::Specification.new do |s|
       "source_code_uri" => "https://github.com/ruby/fileutils"
     }
   end
-
-  s.add_development_dependency 'rake'
 end

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,4 @@ Gem::Specification.new do \|s\|`
`27`	`27`	`"source_code_uri" => "https://github.com/ruby/fileutils"`
`28`	`28`	`}`
`29`	`29`	`end`
`30`		`-`
`31`		`- s.add_development_dependency 'rake'`
`32`	`30`	`end`