Ruby latest stable (v2_5_5) - 0 notes - Class: Deployment
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define_task(context, task_method = :task, opts = {}) public

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# File lib/bundler/deployment.rb, line 10
    def self.define_task(context, task_method = :task, opts = {})
      if defined?(Capistrano) && context.is_a?(Capistrano::Configuration)
        context_name = "capistrano"
        role_default = "{:except => {:no_release => true}}"
        error_type = ::Capistrano::CommandError
        context_name = "vlad"
        role_default = "[:app]"
        error_type = ::Rake::CommandFailedError

      roles = context.fetch(:bundle_roles, false)
      opts[:roles] = roles if roles

      context.send :namespace, :bundle do
        send :desc,           Install the current Bundler environment. By default, gems will be \          installed to the shared/bundle path. Gems in the development and \          test group will not be installed. The install command is executed \          with the --deployment and --quiet flags. If the bundle cmd cannot \          be found then you can override the bundle_cmd variable to specify \          which one it should use. The base path to the app is fetched from \          the :latest_release variable. Set it for custom deploy layouts.          You can override any of these defaults by setting the variables shown below.          N.B. bundle_roles must be defined before you require 'bundler/#{context_name}' \          in your deploy.rb file.            set :bundle_gemfile,  "Gemfile"            set :bundle_dir,      File.join(fetch(:shared_path), 'bundle')            set :bundle_flags,    "--deployment --quiet"            set :bundle_without,  [:development, :test]            set :bundle_with,     [:mysql]            set :bundle_cmd,      "bundle" # e.g. "/opt/ruby/bin/bundle"            set :bundle_roles,    #{role_default} # e.g. [:app, :batch]
        send task_method, :install, opts do
          bundle_cmd     = context.fetch(:bundle_cmd, "bundle")
          bundle_flags   = context.fetch(:bundle_flags, "--deployment --quiet")
          bundle_dir     = context.fetch(:bundle_dir, File.join(context.fetch(:shared_path), "bundle"))
          bundle_gemfile = context.fetch(:bundle_gemfile, "Gemfile")
          bundle_without = [*context.fetch(:bundle_without, [:development, :test])].compact
          bundle_with    = [*context.fetch(:bundle_with, [])].compact
          app_path = context.fetch(:latest_release)
          if app_path.to_s.empty?
            raise error_type.new("Cannot detect current release path - make sure you have deployed at least once.")
          args = ["--gemfile #{File.join(app_path, bundle_gemfile)}"]
          args << "--path #{bundle_dir}" unless bundle_dir.to_s.empty?
          args << bundle_flags.to_s
          args << "--without #{bundle_without.join(" ")}" unless bundle_without.empty?
          args << "--with #{bundle_with.join(" ")}" unless bundle_with.empty?

          run "cd #{app_path} && #{bundle_cmd} install #{args.join(" ")}"
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