---
# System prepended metadata

title: Untitled

---

## gem upgrade

気をつけた方がいいやつ
acts_as_taggable_on

devise

aws_sdk_rails

carrierwave

rmagick

puma

結構バージョン変わってるやつ

arel
https://qiita.com/valley/items/9ac200acbccc46b2ea44
whereやselectのメソッドチェーンからsqlを生成する

Arel Really Exasperates Logicians（Logician＝論理学者)
複雑なSQLクエリの生成を簡単にできるようにする
色んなRDBMSに対応できるようにする
フレームワーク(特にORM)のフレームワークとして開発された

aws_sdk_rails 関係

capistrano

carrierwave

coffee-rails

config

dry-logic

dry-types

fog

mysql2

public_suffix

rack-test

rambulnce

rbvmomi

rdoc

redcarpet

rmagick

roadie

roadie-rails

sass-rails

sassc

sdoc

sprockets

swagger-blocks

tzinfo

web-console

webpacker

whenever


```bash
  * CFPropertyList (newest 3.0.1, installed 2.3.6)
  * actioncable (newest 6.0.0, installed 5.1.1)
  * actionmailer (newest 6.0.0, installed 5.1.1)
  * actionpack (newest 6.0.0, installed 5.1.1)
  * actionview (newest 6.0.0, installed 5.1.1)
  * activejob (newest 6.0.0, installed 5.1.1)
  * activemodel (newest 6.0.0, installed 5.1.1)
  * activerecord (newest 6.0.0, installed 5.1.1)
  * activesupport (newest 6.0.0, installed 5.1.1)
  * addressable (newest 2.7.0, installed 2.5.2)
  * arel (newest 9.0.0, installed 8.0.0)
  * autoprefixer-rails (newest 9.6.5, installed 9.6.1.1)
  * aws-sdk-core (newest 3.69.0, installed 2.11.181)
  * aws-sdk-rails (newest 3.0.5, installed 1.0.1, requested ~> 1.0) in groups "default"
  * aws-sdk-resources (newest 3.54.1, installed 2.11.181)
  * aws-sigv4 (newest 1.1.0, installed 1.0.3)
  * bindex (newest 0.8.1, installed 0.5.0)
  * bootstrap-sass (newest 3.4.1, installed 3.3.7)
  * bugsnag (newest 6.12.1, installed 6.9.0) in groups "default"
  * bullet (newest 6.0.2, installed 6.0.0) in groups "development"
  * capistrano (newest 3.11.2, installed 3.2.1, requested ~> 3.2.1) in groups "deployment"
  * capistrano-bundler (newest 1.6.0, installed 1.4.0) in groups "deployment"
  * carrierwave (newest 2.0.2, installed 1.2.3) in groups "default"
  * coffee-rails (newest 5.0.0, installed 4.2.2) in groups "default"
  * config (newest 2.0.0, installed 1.7.0) in groups "default"
  * counter_culture (newest 2.2.4, installed 2.0.0) in groups "default"
  * css_parser (newest 1.7.0, installed 1.6.0)
  * daemons (newest 1.3.1, installed 1.2.6) in groups "default"
  * delayed_job (newest 4.1.8, installed 4.1.5) in groups "default"
  * delayed_job_active_record (newest 4.1.4, installed 4.1.3) in groups "default"
  * dotenv (newest 2.7.5, installed 2.5.0)
  * dotenv-rails (newest 2.7.5, installed 2.5.0) in groups "default"
  * dry-configurable (newest 0.8.3, installed 0.7.0)
  * dry-container (newest 0.7.2, installed 0.6.0)
  * dry-core (newest 0.4.9, installed 0.4.7)
  * dry-equalizer (newest 0.2.2, installed 0.2.1)
  * dry-inflector (newest 0.2.0, installed 0.1.2)
  * dry-logic (newest 1.0.3, installed 0.4.2)
  * dry-types (newest 1.2.0, installed 0.13.3)
  * dry-validation (newest 1.3.1, installed 0.12.2)
  * exception_notification (newest 4.4.0, installed 4.3.0) in groups "default"
  * excon (newest 0.67.0, installed 0.62.0)
  * faraday (newest 0.17.0, installed 0.15.4)
  * ffi (newest 1.11.1, installed 1.9.25)
  * fog (newest 2.2.0, installed 1.41.0) in groups "default"
  * fog-aliyun (newest 0.3.5, installed 0.3.2)
  * fog-aws (newest 3.5.2, installed 2.0.1)
  * fog-brightbox (newest 1.0.0, installed 0.16.1)
  * fog-cloudatcost (newest 0.4.0, installed 0.1.2)
  * fog-core (newest 2.1.2, installed 1.45.0)
  * fog-dnsimple (newest 2.1.0, installed 1.0.0)
  * fog-dynect (newest 0.4.0, installed 0.0.3)
  * fog-google (newest 1.9.1, installed 0.1.0)
  * fog-openstack (newest 1.0.10, installed 0.3.9)
  * fog-vsphere (newest 3.2.1, installed 2.5.0)
  * foreman (newest 0.86.0, installed 0.85.0) in groups "development"
  * globalid (newest 0.4.2, installed 0.4.1)
  * hashie (newest 3.6.0, installed 3.5.7)
  * i18n (newest 1.7.0, installed 0.9.5)
  * jbuilder (newest 2.9.1, installed 2.8.0) in groups "default"
  * jpmobile (newest 6.0.0, installed 5.2.2) in groups "default"
  * jquery-rails (newest 4.3.5, installed 4.3.3) in groups "default"
  * json (newest 2.2.0, installed 1.8.6)
  * jwt (newest 2.2.1, installed 2.1.0) in groups "default"
  * letter_opener (newest 1.7.0, installed 1.6.0) in groups "development"
  * libv8 (newest 7.3.492.27.1, installed 3.16.14.19)
  * listen (newest 3.2.0, installed 3.1.5) in groups "development"
  * lograge (newest 0.11.2, installed 0.10.0) in groups "default"
  * mime-types (newest 3.3, installed 3.2.2)
  * mime-types-data (newest 3.2019.1009, installed 3.2018.0812)
  * mini_mime (newest 1.0.2, installed 1.0.1)
  * multi_json (newest 1.14.1, installed 1.13.1)
  * multipart-post (newest 2.1.1, installed 2.0.0)
  * mysql2 (newest 0.5.2, installed 0.3.21, requested ~> 0.3.20) in groups "default"
  * net-scp (newest 2.0.0, installed 1.2.1)
  * net-ssh (newest 5.2.0, installed 5.0.2)
  * nio4r (newest 2.5.2, installed 2.3.1)
  * oauth2 (newest 1.4.2, installed 1.4.1)
  * omniauth (newest 1.9.0, installed 1.8.1)
  * omniauth-facebook (newest 5.0.0, installed 4.0.0, requested ~> 4.0) in groups "default"
  * omniauth-oauth2 (newest 1.6.0, installed 1.5.0)
  * public_suffix (newest 4.0.1, installed 3.0.3)
  * puma (newest 4.2.1, installed 3.12.0, requested ~> 3.7) in groups "default"
  * rack-cors (newest 1.0.3, installed 1.0.2) in groups "default"
  * rack-mini-profiler (newest 1.1.0, installed 1.0.2) in groups "development"
  * rack-test (newest 1.1.0, installed 0.6.3)
  * rails (newest 6.0.0, installed 5.1.1, requested = 5.1.1) in groups "default"
  * railties (newest 6.0.0, installed 5.1.1)
  * rambulance (newest 1.0.3, installed 0.6.0) in groups "default"
  * rb-inotify (newest 0.10.0, installed 0.9.10)
  * rbvmomi (newest 2.2.0, installed 1.13.0)
  * rdoc (newest 6.2.0, installed 4.3.0)
  * redcarpet (newest 3.5.0, installed 2.3.0, requested ~> 2.3.0) in groups "default"
  * redis (newest 4.1.3, installed 4.1.0)
  * redis-actionpack (newest 5.1.0, installed 5.0.2)
  * redis-activesupport (newest 5.2.0, installed 5.0.7)
  * redis-rack (newest 2.0.6, installed 2.0.5)
  * redis-store (newest 1.8.0, installed 1.6.0)
  * rmagick (newest 4.0.0, installed 2.16.0) in groups "default"
  * roadie (newest 4.0.0, installed 3.4.0)
  * roadie-rails (newest 2.1.0, installed 1.3.0, requested ~> 1.0) in groups "default"
  * sass (newest 3.7.4, installed 3.4.25)
  * sass-rails (newest 6.0.0, installed 5.0.6, requested = 5.0.6) in groups "default"
  * sassc (newest 2.2.1, installed 1.12.1)
  * sdoc (newest 1.0.0, installed 0.4.2) in groups "doc"
  * spring (newest 2.1.0, installed 2.0.2) in groups "deployment"
  * sprockets (newest 4.0.0, installed 3.7.2)
  * sshkit (newest 1.20.0, installed 1.18.0)
  * swagger-blocks (newest 3.0.0, installed 2.0.2) in groups "default"
  * temple (newest 0.8.2, installed 0.8.0)
  * thor (newest 0.20.3, installed 0.19.4)
  * tilt (newest 2.0.10, installed 2.0.9)
  * tzinfo (newest 2.0.0, installed 1.2.5)
  * uglifier (newest 4.2.0, installed 4.1.20) in groups "default"
  * unicorn (newest 5.5.1, installed 5.4.1) in groups "default"
  * uniform_notifier (newest 1.13.0, installed 1.12.1)
  * web-console (newest 4.0.1, installed 3.5.1) in groups "development"
  * webpacker (newest 4.0.7, installed 3.5.5, requested ~> 3.0) in groups "default"
  * websocket-driver (newest 0.7.1, installed 0.6.5)
  * websocket-extensions (newest 0.1.4, installed 0.1.3)
  * whenever (newest 1.0.0, installed 0.10.0) in groups "default"
```