autobuild.gemspec in autobuild-1.17.0 vs autobuild.gemspec in autobuild-1.18.0

@@ -1,33 +1,36 @@
-# coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'autobuild/version'
 
 Gem::Specification.new do |s|
     s.name = "autobuild"
     s.version = Autobuild::VERSION
-    s.required_ruby_version = '>= 2.1.0'
+    s.required_ruby_version = '>= 2.3.0'
     s.authors = ["Sylvain Joyeux"]
     s.email = "[e-mail]"
     s.summary = "Library to handle build systems and import mechanisms"
-    s.description = "Collection of classes to handle build systems (CMake, autotools, ...) and import mechanisms (tarballs, CVS, SVN, git, ...). It also offers a Rake integration to import and build such software packages. It is the backbone of the autoproj (http://rock-robotics.org/autoproj) integrated software project management tool."
+    s.description = "Collection of classes to handle build systems "\
+        "(CMake, autotools, ...) and import mechanisms "\
+        "(tarballs, CVS, SVN, git, ...). It also offers a Rake integration "\
+        "to import and build such software packages. It is the backbone "\
+        "of the autoproj (http://rock-robotics.org/autoproj) integrated "\
+        "software project management tool."
     s.homepage = "http://rock-robotics.org"
     s.licenses = ["BSD"]
 
-    s.required_ruby_version = ">= 1.9.3"
     s.require_paths = ["lib"]
     s.extensions = []
-    s.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+    s.files = `git ls-files -z`.split("\x0")
+        .reject { |f| f.match(%r{^(test|spec|features)/}) }
 
+    s.add_runtime_dependency 'pastel', '~> 0.7.0', '>= 0.7.0'
     s.add_runtime_dependency "rake", "~> 12.0", ">= 12.3.0"
-    s.add_runtime_dependency "utilrb", "~> 3.0", ">= 3.0"
-    s.add_runtime_dependency 'tty-prompt', '~> 0.15.0'
     s.add_runtime_dependency 'tty-cursor', '~> 0.5.0'
+    s.add_runtime_dependency 'tty-prompt', '~> 0.15.0'
     s.add_runtime_dependency 'tty-screen', '~> 0.6.4'
-    s.add_runtime_dependency 'pastel', '~> 0.7.0', '>= 0.7.0'
+    s.add_runtime_dependency "utilrb", "~> 3.0", ">= 3.0"
+    s.add_development_dependency "fakefs"
     s.add_development_dependency "flexmock", '~> 2.0', ">= 2.0.0"
     s.add_development_dependency "minitest", "~> 5.0", ">= 5.0"
-    s.add_development_dependency "fakefs"
     s.add_development_dependency "simplecov"
 end
-