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123 lines
3.7 KiB
Ruby
123 lines
3.7 KiB
Ruby
require 'erb'
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begin
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require 'psych'
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rescue LoadError
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end
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require 'yaml'
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require 'optparse'
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require 'rbconfig'
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module Rails
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class DBConsole
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def self.start(app)
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new(app).start
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end
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def initialize(app)
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@app = app
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end
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def start
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include_password = false
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options = {}
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OptionParser.new do |opt|
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opt.banner = "Usage: dbconsole [options] [environment]"
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opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v|
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include_password = true
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end
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opt.on("--mode [MODE]", ['html', 'list', 'line', 'column'],
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"Automatically put the sqlite3 database in the specified mode (html, list, line, column).") do |mode|
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options['mode'] = mode
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end
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opt.on("-h", "--header") do |h|
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options['header'] = h
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end
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opt.parse!(ARGV)
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abort opt.to_s unless (0..1).include?(ARGV.size)
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end
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unless config = YAML::load(ERB.new(IO.read("#{@app.root}/config/database.yml")).result)[Rails.env]
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abort "No database is configured for the environment '#{Rails.env}'"
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end
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def find_cmd(*commands)
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dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR)
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commands += commands.map{|cmd| "#{cmd}.exe"} if RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
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full_path_command = nil
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found = commands.detect do |cmd|
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dir = dirs_on_path.detect do |path|
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full_path_command = File.join(path, cmd)
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File.executable? full_path_command
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end
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end
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found ? full_path_command : abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
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end
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case config["adapter"]
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when /^mysql/
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args = {
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'host' => '--host',
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'port' => '--port',
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'socket' => '--socket',
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'username' => '--user',
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'encoding' => '--default-character-set'
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}.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
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if config['password'] && include_password
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args << "--password=#{config['password']}"
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elsif config['password'] && !config['password'].to_s.empty?
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args << "-p"
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end
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args << config['database']
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exec(find_cmd('mysql', 'mysql5'), *args)
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when "postgresql", "postgres"
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ENV['PGUSER'] = config["username"] if config["username"]
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ENV['PGHOST'] = config["host"] if config["host"]
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ENV['PGPORT'] = config["port"].to_s if config["port"]
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ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && include_password
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exec(find_cmd('psql'), config["database"])
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when "sqlite"
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exec(find_cmd('sqlite'), config["database"])
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when "sqlite3"
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args = []
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args << "-#{options['mode']}" if options['mode']
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args << "-header" if options['header']
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args << config['database']
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exec(find_cmd('sqlite3'), *args)
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when "oracle", "oracle_enhanced"
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logon = ""
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if config['username']
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logon = config['username']
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logon << "/#{config['password']}" if config['password'] && include_password
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logon << "@#{config['database']}" if config['database']
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end
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exec(find_cmd('sqlplus'), logon)
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else
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abort "Unknown command-line client for #{config['database']}. Submit a Rails patch to add support!"
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end
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end
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end
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end
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# Has to set the RAILS_ENV before config/application is required
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if ARGV.first && !ARGV.first.index("-") && env = ARGV.first
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ENV['RAILS_ENV'] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
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end
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