invoke(full_namespace, args = [], **config)
public
Receives a namespace, arguments and the behavior to invoke the command.
# File railties/lib/rails/command.rb, line 31
def invoke(full_namespace, args = [], **config)
namespace = full_namespace = full_namespace.to_s
if char = namespace =~ /:(\w+)$/
command_name, namespace = $1, namespace.slice(0, char)
else
command_name = namespace
end
command_name, namespace = "help", "help" if command_name.blank? || HELP_MAPPINGS.include?(command_name)
command_name, namespace = "version", "version" if %( -v --version ).include?(command_name)
# isolate ARGV to ensure that commands depend only on the args they are given
args = args.dup # args might *be* ARGV so dup before clearing
old_argv = ARGV.dup
ARGV.clear
command = find_by_namespace(namespace, command_name)
if command && command.all_commands[command_name]
command.perform(command_name, args, config)
else
find_by_namespace("rake").perform(full_namespace, args, config)
end
ensure
ARGV.replace(old_argv)
end
