7 files changed, 7 insertions, 7 deletions
diff --git a/railties/lib/rails/command/base.rb b/railties/lib/rails/command/base.rb
index cd0720be4e..d986df8a80 100644
--- a/railties/lib/rails/command/base.rb
+++ b/railties/lib/rails/command/base.rb
@@ -73,7 +73,7 @@ module Rails
 
         # Use Rails' default banner.
         def banner(*)
-          "#{executable} #{arguments.map(&:usage).join(' ')} [options]".squish!
+          "#{executable} #{arguments.map(&:usage).join(' ')} [options]".squish
         end
 
         # Sets the base_name taking into account the current class namespace.
diff --git a/railties/lib/rails/commands/dbconsole/dbconsole_command.rb b/railties/lib/rails/commands/dbconsole/dbconsole_command.rb
index 71b3455473..1c16c3f0eb 100644
--- a/railties/lib/rails/commands/dbconsole/dbconsole_command.rb
+++ b/railties/lib/rails/commands/dbconsole/dbconsole_command.rb
@@ -58,7 +58,7 @@ module Rails
         logon = ""
 
         if config["username"]
-          logon = config["username"]
+          logon = config["username"].dup
           logon << "/#{config['password']}" if config["password"] && @options["include_password"]
           logon << "@#{config['database']}" if config["database"]
         end
diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index 8915441d4c..dbc43159a6 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -271,7 +271,7 @@ module Rails
         else
           options     = sorted_groups.flat_map(&:last)
           suggestions = options.sort_by { |suggested| levenshtein_distance(namespace.to_s, suggested) }.first(3)
-          msg =  "Could not find generator '#{namespace}'. "
+          msg =  "Could not find generator '#{namespace}'. ".dup
           msg << "Maybe you meant #{ suggestions.map { |s| "'#{s}'" }.to_sentence(last_word_connector: " or ", locale: :en) }\n"
           msg << "Run `rails generate --help` for more options."
           puts msg
diff --git a/railties/lib/rails/generators/generated_attribute.rb b/railties/lib/rails/generators/generated_attribute.rb
index baed7bf1e3..d2c8ba9255 100644
--- a/railties/lib/rails/generators/generated_attribute.rb
+++ b/railties/lib/rails/generators/generated_attribute.rb
@@ -151,7 +151,7 @@ module Rails
       end
 
       def inject_options
-        "".tap { |s| options_for_migration.each { |k, v| s << ", #{k}: #{v.inspect}" } }
+        "".dup.tap { |s| options_for_migration.each { |k, v| s << ", #{k}: #{v.inspect}" } }
       end
 
       def inject_index_options
diff --git a/railties/lib/rails/generators/rails/resource_route/resource_route_generator.rb b/railties/lib/rails/generators/rails/resource_route/resource_route_generator.rb
index 42705107ae..56b85e1da1 100644
--- a/railties/lib/rails/generators/rails/resource_route/resource_route_generator.rb
+++ b/railties/lib/rails/generators/rails/resource_route/resource_route_generator.rb
@@ -36,7 +36,7 @@ module Rails
 
       private
         def route_string
-          @route_string ||= ""
+          @route_string ||= "".dup
         end
 
         def write(str, indent)
diff --git a/railties/lib/rails/info.rb b/railties/lib/rails/info.rb
index db08d578c0..cc2f75a1d3 100644
--- a/railties/lib/rails/info.rb
+++ b/railties/lib/rails/info.rb
@@ -39,7 +39,7 @@ module Rails
       alias inspect to_s
 
       def to_html
-        "<table>".tap do |table|
+        "<table>".dup.tap do |table|
           properties.each do |(name, value)|
             table << %(<tr><td class="name">#{CGI.escapeHTML(name.to_s)}</td>)
             formatted_value = if value.kind_of?(Array)
diff --git a/railties/lib/rails/source_annotation_extractor.rb b/railties/lib/rails/source_annotation_extractor.rb
index e9088c44ce..0412d725df 100644
--- a/railties/lib/rails/source_annotation_extractor.rb
+++ b/railties/lib/rails/source_annotation_extractor.rb
@@ -45,7 +45,7 @@ class SourceAnnotationExtractor
     # If +options+ has a flag <tt>:tag</tt> the tag is shown as in the example above.
     # Otherwise the string contains just line and text.
     def to_s(options = {})
-      s = "[#{line.to_s.rjust(options[:indent])}] "
+      s = "[#{line.to_s.rjust(options[:indent])}] ".dup
       s << "[#{tag}] " if options[:tag]
       s << text
     end