merge revision(s) 53707,53708,53709,53712,53777,53781: [Backport #12326]

	* lib/rubygems.rb, lib/rubygems/*, test/rubygems/*: Update rubygems-2.5.2.
	  It supports to enable frozen string literal and add `--norc` option for
	  disable to `.gemrc` configuration.
	  See 2.5.2 release notes for other fixes and enhancements.
	  https://github.com/rubygems/rubygems/blob/a8aa3bac723f045c52471c7b9328310a048561e0/History.txt#L3

	* lib/rubygems/specification.rb: `coding` is affect only first line except
	  shebang.

	* lib/rubygems/package.rb, lib/rubygems/package/*: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 6 deletions

diff --git a/lib/rubygems/commands/query_command.rb b/lib/rubygems/commands/query_command.rb
index 4782eb98ef..d6196b44ed 100644
--- a/lib/rubygems/commands/query_command.rb
+++ b/lib/rubygems/commands/query_command.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'rubygems/command'
 require 'rubygems/local_remote_options'
 require 'rubygems/spec_fetcher'
@@ -50,6 +50,12 @@ class Gem::Commands::QueryCommand < Gem::Command
       options[:all] = value
     end
 
+    add_option('-e', '--exact',
+               'Name of gem(s) to query on matches the',
+               'provided STRING') do |value, options|
+      options[:exact] = value
+    end
+
     add_option(      '--[no-]prerelease',
                'Display prerelease versions') do |value, options|
       options[:prerelease] = value
@@ -79,7 +85,8 @@ is too hard to use.
     elsif !options[:name].source.empty?
       name = Array(options[:name])
     else
-      name = options[:args].to_a.map{|arg| /#{arg}/i }
+      args = options[:args].to_a
+      name = options[:exact] ? args : args.map{|arg| /#{arg}/i }
     end
 
     prerelease = options[:prerelease]
@@ -162,7 +169,7 @@ is too hard to use.
                :latest
              end
 
-      if name.source.empty?
+      if name.respond_to?(:source) && name.source.empty?
         spec_tuples = fetcher.detect(type) { true }
       else
         spec_tuples = fetcher.detect(type) do |name_tuple|
@@ -277,7 +284,7 @@ is too hard to use.
   end
 
   def spec_authors entry, spec
-    authors = "Author#{spec.authors.length > 1 ? 's' : ''}: "
+    authors = "Author#{spec.authors.length > 1 ? 's' : ''}: ".dup
     authors << spec.authors.join(', ')
     entry << format_text(authors, 68, 4)
   end
@@ -291,7 +298,7 @@ is too hard to use.
   def spec_license entry, spec
     return if spec.license.nil? or spec.license.empty?
 
-    licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: "
+    licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: ".dup
     licenses << spec.licenses.join(', ')
     entry << "\n" << format_text(licenses, 68, 4)
   end
@@ -341,4 +348,3 @@ is too hard to use.
   end
 
 end
-