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-rw-r--r--railties/lib/rails/command/environment_argument.rb47
1 files changed, 47 insertions, 0 deletions
diff --git a/railties/lib/rails/command/environment_argument.rb b/railties/lib/rails/command/environment_argument.rb
new file mode 100644
index 0000000000..5dc98b113d
--- /dev/null
+++ b/railties/lib/rails/command/environment_argument.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require "active_support"
+
+module Rails
+ module Command
+ module EnvironmentArgument #:nodoc:
+ extend ActiveSupport::Concern
+
+ included do
+ argument :environment, optional: true, banner: "environment"
+
+ class_option :environment, aliases: "-e", type: :string,
+ desc: "Specifies the environment to run this console under (test/development/production)."
+ end
+
+ private
+ def extract_environment_option_from_argument
+ if environment
+ self.options = options.merge(environment: acceptable_environment(environment))
+
+ ActiveSupport::Deprecation.warn "Passing the environment's name as a " \
+ "regular argument is deprecated and " \
+ "will be removed in the next Rails " \
+ "version. Please, use the -e option " \
+ "instead."
+ elsif options[:environment]
+ self.options = options.merge(environment: acceptable_environment(options[:environment]))
+ else
+ self.options = options.merge(environment: Rails::Command.environment)
+ end
+ end
+
+ def acceptable_environment(env = nil)
+ if available_environments.include? env
+ env
+ else
+ %w( production development test ).detect { |e| e =~ /^#{env}/ } || env
+ end
+ end
+
+ def available_environments
+ Dir["config/environments/*.rb"].map { |fname| File.basename(fname, ".*") }
+ end
+ end
+ end
+end