This commit fixes issue #8628

Allow environment name to start with a substring of the default
environment names.
For example: tes, pro, prod, dev, devel, etc.

Fixing identation.

Adding test for Rails::Console.parse_arguments method.

Fix issue 8628 for Rails::DBConsole.

2 files changed, 19 insertions, 2 deletions

diff --git a/railties/lib/rails/commands/console.rb b/railties/lib/rails/commands/console.rb
index aef7600fbd..35a9072f51 100644
--- a/railties/lib/rails/commands/console.rb
+++ b/railties/lib/rails/commands/console.rb
@@ -24,11 +24,20 @@ module Rails
 
         if arguments.first && arguments.first[0] != '-'
           env = arguments.first
-          options[:environment] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
+          if available_environments.include? env
+            options[:environment] = env
+          else
+            options[:environment] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
+          end
         end
 
         options
       end
+
+      private
+        def available_environments
+          Dir[Rails.root.join('config', 'environments', '*.rb')].map { |fname| File.basename(fname, '.*') }
+        end
     end
 
     attr_reader :options, :app, :console
diff --git a/railties/lib/rails/commands/dbconsole.rb b/railties/lib/rails/commands/dbconsole.rb
index 4a5674236d..353a64fd01 100644
--- a/railties/lib/rails/commands/dbconsole.rb
+++ b/railties/lib/rails/commands/dbconsole.rb
@@ -136,12 +136,20 @@ module Rails
 
       if arguments.first && arguments.first[0] != '-'
         env = arguments.first
-        options[:environment] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
+        if self.class.available_environments.include? env
+          options[:environment] = env
+        else
+          options[:environment] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
+        end
       end
 
       options
     end
 
+    def self.available_environments
+      Dir[Rails.root.join('config', 'environments', '*.rb')].map { |fname| File.basename(fname, '.*') }
+    end
+
     def find_cmd_and_exec(commands, *args)
       commands = Array(commands)