Update rubocop and code to pass it

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

.rubocop.yml

@@ -76,14 +76,6 @@ Style/BlockEndNewline:
   Description: 'Put end statement of multiline block on its own line.'
   Enabled: true
 
-Style/Blocks:
-  Description: >-
-                Avoid using {...} for multi-line blocks (multiline chaining is
-                always ugly).
-                Prefer {...} over do...end for single-line blocks.
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
-  Enabled: true
-
 Style/BracesAroundHashParameters:
   Description: 'Enforce braces style around hash parameters.'
   Enabled: false
@@ -152,7 +144,7 @@ Style/DefWithParentheses:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
   Enabled: false
 
-Style/DeprecatedHashMethods:
+Style/PreferredHashMethods:
   Description: 'Checks for use of deprecated Hash methods.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-key'
   Enabled: false
@@ -326,7 +318,7 @@ Style/LineEndConcatenation:
                  line end.
   Enabled: false
 
-Style/MethodCallParentheses:
+Style/MethodCallWithoutArgsParentheses:
   Description: 'Do not use parentheses for method calls with no arguments.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-args-no-parens'
   Enabled: false
@@ -528,7 +520,7 @@ Style/SingleLineMethods:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-single-line-methods'
   Enabled: false
 
-Style/SingleSpaceBeforeFirstArg:
+Layout/SpaceBeforeFirstArg:
   Description: >-
                  Checks that exactly one space is used between a method name
                  and the first argument for method calls without parentheses.
@@ -544,7 +536,7 @@ Style/SpaceAfterComma:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
   Enabled: false
 
-Style/SpaceAfterControlKeyword:
+Layout/SpaceAroundKeyword:
   Description: 'Use spaces after if/elsif/unless/while/until/case/when.'
   Enabled: false
 
@@ -605,7 +597,7 @@ Style/SpaceAroundOperators:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
   Enabled: false
 
-Style/SpaceBeforeModifierKeyword:
+Layout/SpaceAroundKeyword:
   Description: 'Put a space before the modifier keyword.'
   Enabled: false
 
@@ -659,7 +651,7 @@ Style/TrailingBlankLines:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#newline-eof'
   Enabled: true
 
-Style/TrailingComma:
+Style/TrailingCommaInLiteral:
   Description: 'Checks for trailing comma in parameter lists and literals.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
   Enabled: false
@@ -690,11 +682,6 @@ Style/UnneededPercentQ:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-q'
   Enabled: false
 
-Style/UnneededPercentX:
-  Description: 'Checks for %x when `` would do.'
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-x'
-  Enabled: false
-
 Style/VariableInterpolation:
   Description: >-
                  Don't interpolate global, instance and class variables
@@ -896,7 +883,7 @@ Lint/ShadowingOuterLocalVariable:
                  for block arguments or block local variables.
   Enabled: false
 
-Lint/SpaceBeforeFirstArg:
+Layout/SpaceBeforeFirstArg:
   Description: >-
                  Put a space between a method name and the first argument
                  in a method call without parentheses.
@@ -968,3 +955,4 @@ AllCops:
     - 'lib/gitlab/upgrader.rb'
     - 'lib/gitlab/seeder.rb'
     - 'lib/vendor/**/*'
+    - 'Guardfile'

Gemfile

 source "http://rubygems.org"
 
 group :development, :test do
-  gem 'simplecov', require: false
-  gem 'rspec', '~> 2.14.0'
-  gem 'webmock'
   gem 'guard'
   gem 'guard-rspec'
-  gem 'vcr'
+  gem 'rspec', '~> 2.14.0'
   gem 'rubocop', '0.49.1', require: false
+  gem 'simplecov', require: false
+  gem 'vcr'
+  gem 'webmock'
 end

lib/gitlab_keys.rb

@@ -157,8 +157,8 @@ class GitlabKeys
   end
 
   def open_auth_file(mode)
-    open(auth_file, mode, 0600) do |file|
-      file.chmod(0600)
+    open(auth_file, mode, 0o600) do |file|
+      file.chmod(0o600)
       yield file
     end
   end

lib/gitlab_net.rb

@@ -28,9 +28,9 @@ class GitlabNet
     }
 
     if actor =~ /\Akey\-\d+\Z/
-      params.merge!(key_id: actor.gsub("key-", ""))
+      params[:key_id] = actor.gsub("key-", "")
     elsif actor =~ /\Auser\-\d+\Z/
-      params.merge!(user_id: actor.gsub("user-", ""))
+      params[:user_id] = actor.gsub("user-", "")
     end
 
     url = "#{host}/allowed"
@@ -141,7 +141,7 @@ class GitlabNet
   protected
 
   def sanitize_path(repo)
-    repo.gsub("'", "")
+    repo.delete("'")
   end
 
   def config
@@ -153,10 +153,10 @@ class GitlabNet
   end
 
   def http_client_for(uri, options={})
-    if uri.is_a?(URI::HTTPUNIX)
-      http = Net::HTTPUNIX.new(uri.hostname)
+    http = if uri.is_a?(URI::HTTPUNIX)
+             Net::HTTPUNIX.new(uri.hostname)
            else
-      http = Net::HTTP.new(uri.host, uri.port)
+             Net::HTTP.new(uri.host, uri.port)
            end
 
     http.read_timeout = options[:read_timeout] || read_timeout

lib/gitlab_post_receive.rb

@@ -13,7 +13,8 @@ class GitlabPostReceive
   def initialize(gl_repository, repo_path, actor, changes)
     @config = GitlabConfig.new
     @gl_repository = gl_repository
-    @repo_path, @actor = repo_path.strip, actor
+    @repo_path = repo_path.strip
+    @actor = actor
     @changes = changes
     @jid = SecureRandom.hex(12)
   end
@@ -47,10 +48,11 @@ class GitlabPostReceive
   end
 
   def print_merge_request_link(merge_request)
+    message =
       if merge_request["new_merge_request"]
-      message = "To create a merge request for #{merge_request["branch_name"]}, visit:"
+        "To create a merge request for #{merge_request["branch_name"]}, visit:"
       else
-      message = "View merge request for #{merge_request["branch_name"]}:"
+        "View merge request for #{merge_request["branch_name"]}:"
       end
 
     puts message
@@ -64,7 +66,7 @@ class GitlabPostReceive
 
     # Git prefixes remote messages with "remote: ", so this width is subtracted
     # from the width available to us.
-    total_width -= "remote: ".length
+    total_width -= "remote: ".length # rubocop:disable Performance/FixedSize
 
     # Our centered text shouldn't start or end right at the edge of the window,
     # so we add some horizontal padding: 2 chars on either side.

lib/gitlab_shell.rb

@@ -13,8 +13,8 @@ class GitlabShell
   GITALY_MIGRATED_COMMANDS = {
     'git-upload-pack' => File.join(ROOT_PATH, 'bin', 'gitaly-upload-pack'),
     'git-receive-pack' => File.join(ROOT_PATH, 'bin', 'gitaly-receive-pack'),
-  }
-  API_COMMANDS = %w(2fa_recovery_codes)
+  }.freeze
+  API_COMMANDS = %w(2fa_recovery_codes).freeze
   GL_PROTOCOL = 'ssh'.freeze
 
   attr_accessor :key_id, :gl_repository, :repo_name, :command, :git_access, :username

support/go_build.rb

@@ -6,14 +6,14 @@ require 'fileutils'
 require_relative '../lib/gitlab_init'
 
 module GoBuild
-  GO_DIR = 'go'
+  GO_DIR = 'go'.freeze
   BUILD_DIR = File.join(ROOT_PATH, 'go_build')
   GO_PACKAGE = File.join('gitlab.com/gitlab-org/gitlab-shell', GO_DIR)
 
   GO_ENV = {
     'GOPATH' => BUILD_DIR,
     'GO15VENDOREXPERIMENT' => '1',
-  }
+  }.freeze
 
   def create_fresh_build_dir
     FileUtils.rm_rf(BUILD_DIR)