Add Rubocop

- Pull in the 37signals house style
- Autofix violations
- Add to CI

lib/kamal/cli/accessory.rb

@@ -177,7 +177,7 @@ class Kamal::Cli::Accessory < Kamal::Cli::Base
       if name == "all"
         KAMAL.accessory_names.each { |accessory_name| remove(accessory_name) }
       else
-        if options[:confirmed] || ask("This will remove all containers, images and data directories for #{name}. Are you sure?", limited_to: %w( y N ), default: "N") == "y"
+        if options[:confirmed] || ask("This will remove all containers, images and data directories for #{name}. Are you sure?", limited_to: %w[ y N ], default: "N") == "y"
           with_accessory(name) do
             stop(name)
             remove_container(name)

lib/kamal/cli/app.rb

@@ -207,7 +207,7 @@ class Kamal::Cli::App < Kamal::Cli::Base
       run_locally do
         info "Following logs on #{KAMAL.primary_host}..."
 
-        KAMAL.specific_roles ||= ["web"]
+        KAMAL.specific_roles ||= [ "web" ]
         role = KAMAL.roles_on(KAMAL.primary_host).first
 
         info KAMAL.app(role: role).follow_logs(host: KAMAL.primary_host, lines: lines, grep: grep)

lib/kamal/cli/base.rb

@@ -73,7 +73,7 @@ module Kamal::Cli
       def print_runtime
         started_at = Time.now
         yield
-        return Time.now - started_at
+        Time.now - started_at
       ensure
         runtime = Time.now - started_at
         puts "  Finished all in #{sprintf("%.1f seconds", runtime)}"
@@ -181,5 +181,5 @@ module Kamal::Cli
           execute(*KAMAL.server.ensure_run_directory)
         end
       end
-    end
+  end
 end

lib/kamal/cli/main.rb

@@ -197,7 +197,7 @@ class Kamal::Cli::Main < Kamal::Cli::Base
   option :confirmed, aliases: "-y", type: :boolean, default: false, desc: "Proceed without confirmation question"
   def remove
     mutating do
-      if options[:confirmed] || ask("This will remove all containers and images. Are you sure?", limited_to: %w( y N ), default: "N") == "y"
+      if options[:confirmed] || ask("This will remove all containers and images. Are you sure?", limited_to: %w[ y N ], default: "N") == "y"
         invoke "kamal:cli:traefik:remove", [], options.without(:confirmed)
         invoke "kamal:cli:app:remove", [], options.without(:confirmed)
         invoke "kamal:cli:accessory:remove", [ "all" ], options

lib/kamal/cli/traefik.rb

@@ -13,7 +13,7 @@ class Kamal::Cli::Traefik < Kamal::Cli::Base
   option :rolling, type: :boolean, default: false, desc: "Reboot traefik on hosts in sequence, rather than in parallel"
   def reboot
     mutating do
-      host_groups = options[:rolling] ? KAMAL.traefik_hosts : [KAMAL.traefik_hosts]
+      host_groups = options[:rolling] ? KAMAL.traefik_hosts : [ KAMAL.traefik_hosts ]
       host_groups.each do |hosts|
         host_list = Array(hosts).join(",")
         run_hook "pre-traefik-reboot", hosts: host_list