Merge master branch from rubygems/rubygems upstream.

  * Enable Style/MethodDefParentheses in Rubocop
    https://github.com/rubygems/rubygems/pull/2478
  * Enable Style/MultilineIfThen in Rubocop
    https://github.com/rubygems/rubygems/pull/2479
  * Fix required_ruby_version with prereleases and improve error message
    https://github.com/rubygems/rubygems/pull/2344
  * Fix bundler rubygems binstub not properly looking for bundler
    https://github.com/rubygems/rubygems/pull/2426

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 6 deletions

diff --git a/lib/rubygems/resolver/index_set.rb b/lib/rubygems/resolver/index_set.rb
index 2450f14b4f..e32e1fa5ba 100644
--- a/lib/rubygems/resolver/index_set.rb
+++ b/lib/rubygems/resolver/index_set.rb
@@ -5,11 +5,11 @@
 
 class Gem::Resolver::IndexSet < Gem::Resolver::Set
 
-  def initialize source = nil # :nodoc:
+  def initialize(source = nil) # :nodoc:
     super()
 
     @f =
-      if source then
+      if source
         sources = Gem::SourceList.from [source]
 
         Gem::SpecFetcher.new sources
@@ -36,7 +36,7 @@ class Gem::Resolver::IndexSet < Gem::Resolver::Set
   # Return an array of IndexSpecification objects matching
   # DependencyRequest +req+.
 
-  def find_all req
+  def find_all(req)
     res = []
 
     return res unless @remote
@@ -44,7 +44,7 @@ class Gem::Resolver::IndexSet < Gem::Resolver::Set
     name = req.dependency.name
 
     @all[name].each do |uri, n|
-      if req.match? n, @prerelease then
+      if req.match? n, @prerelease
         res << Gem::Resolver::IndexSpecification.new(
           self, n.name, n.version, uri, n.platform)
       end
@@ -53,7 +53,7 @@ class Gem::Resolver::IndexSet < Gem::Resolver::Set
     res
   end
 
-  def pretty_print q # :nodoc:
+  def pretty_print(q) # :nodoc:
     q.group 2, '[IndexSet', ']' do
       q.breakable
       q.text 'sources:'
@@ -78,4 +78,3 @@ class Gem::Resolver::IndexSet < Gem::Resolver::Set
   end
 
 end
-