--- /dev/null
+require 'erb'
+require 'yaml'
+require 'optparse'
+
+include_password = false
+
+OptionParser.new do |opt|
+ opt.banner = "Usage: dbconsole [options] [environment]"
+ opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v|
+ include_password = true
+ end
+ opt.parse!(ARGV)
+ abort opt.to_s unless (0..1).include?(ARGV.size)
+end
+
+env = ARGV.first || ENV['RAILS_ENV'] || 'development'
+unless config = YAML::load(ERB.new(IO.read(RAILS_ROOT + "/config/database.yml")).result)[env]
+ abort "No database is configured for the environment '#{env}'"
+end
+
+
+def find_cmd(*commands)
+ dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR)
+ commands += commands.map{|cmd| "#{cmd}.exe"} if RUBY_PLATFORM =~ /win32/
+ commands.detect do |cmd|
+ dirs_on_path.detect do |path|
+ File.executable? File.join(path, cmd)
+ end
+ end || abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
+end
+
+case config["adapter"]
+when "mysql"
+ args = {
+ 'host' => '--host',
+ 'port' => '--port',
+ 'socket' => '--socket',
+ 'username' => '--user',
+ 'encoding' => '--default-character-set'
+ }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
+
+ if config['password'] && include_password
+ args << "--password=#{config['password']}"
+ elsif config['password'] && !config['password'].empty?
+ args << "-p"
+ end
+
+ args << config['database']
+
+ exec(find_cmd('mysql', 'mysql5'), *args)
+
+when "postgresql"
+ ENV['PGUSER'] = config["username"] if config["username"]
+ ENV['PGHOST'] = config["host"] if config["host"]
+ ENV['PGPORT'] = config["port"].to_s if config["port"]
+ ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && include_password
+ exec(find_cmd('psql'), config["database"])
+
+when "sqlite"
+ exec(find_cmd('sqlite'), config["database"])
+
+when "sqlite3"
+ exec(find_cmd('sqlite3'), config["database"])
+
+else
+ abort "Unknown command-line client for #{config['database']}. Submit a Rails patch to add support!"
+end