Upgrade Rails from 5.2 => 6.0 and run app:upgrade script

Author: mowsec

Gemfile

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 
-gem "rails", "5.2.8"
+gem "rails", "6.0.6"
 
 ruby "2.7.7"
 
@@ -21,12 +21,11 @@ gem "pry-rails" # not in dev group in case running via prod/staging @ a training
 gem "puma"
 gem "rails-perftest"
 gem "rake"
-gem "responders" #For Rails 4.2 # LOCKED DOWN
+gem "responders"
 gem "ruby-prof"
-gem "sass-rails"
+gem "sassc-rails"
 gem "simplecov", require: false, group: :test
 gem "sqlite3"
-
 gem "turbolinks"
 gem "uglifier"
 gem "unicorn"

Gemfile.lock

@@ -1,50 +1,63 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.8)
-      actionpack (= 5.2.8)
+    actioncable (6.0.6)
+      actionpack (= 6.0.6)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.8)
-      actionpack (= 5.2.8)
-      actionview (= 5.2.8)
-      activejob (= 5.2.8)
+    actionmailbox (6.0.6)
+      actionpack (= 6.0.6)
+      activejob (= 6.0.6)
+      activerecord (= 6.0.6)
+      activestorage (= 6.0.6)
+      activesupport (= 6.0.6)
+      mail (>= 2.7.1)
+    actionmailer (6.0.6)
+      actionpack (= 6.0.6)
+      actionview (= 6.0.6)
+      activejob (= 6.0.6)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.8)
-      actionview (= 5.2.8)
-      activesupport (= 5.2.8)
+    actionpack (6.0.6)
+      actionview (= 6.0.6)
+      activesupport (= 6.0.6)
       rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.8)
-      activesupport (= 5.2.8)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.6)
+      actionpack (= 6.0.6)
+      activerecord (= 6.0.6)
+      activestorage (= 6.0.6)
+      activesupport (= 6.0.6)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.6)
+      activesupport (= 6.0.6)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.8)
-      activesupport (= 5.2.8)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.0.6)
+      activesupport (= 6.0.6)
       globalid (>= 0.3.6)
-    activemodel (5.2.8)
-      activesupport (= 5.2.8)
-    activerecord (5.2.8)
-      activemodel (= 5.2.8)
-      activesupport (= 5.2.8)
-      arel (>= 9.0)
-    activestorage (5.2.8)
-      actionpack (= 5.2.8)
-      activerecord (= 5.2.8)
-      marcel (~> 1.0.0)
-    activesupport (5.2.8)
+    activemodel (6.0.6)
+      activesupport (= 6.0.6)
+    activerecord (6.0.6)
+      activemodel (= 6.0.6)
+      activesupport (= 6.0.6)
+    activestorage (6.0.6)
+      actionpack (= 6.0.6)
+      activejob (= 6.0.6)
+      activerecord (= 6.0.6)
+      marcel (~> 1.0)
+    activesupport (6.0.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
-    arel (9.0.0)
     aruba (2.1.0)
       bundler (>= 1.17, < 3.0)
       childprocess (>= 2.0, < 5.0)
@@ -241,18 +254,20 @@ GEM
       rack
     rack-test (2.1.0)
       rack (>= 1.3)
-    rails (5.2.8)
-      actioncable (= 5.2.8)
-      actionmailer (= 5.2.8)
-      actionpack (= 5.2.8)
-      actionview (= 5.2.8)
-      activejob (= 5.2.8)
-      activemodel (= 5.2.8)
-      activerecord (= 5.2.8)
-      activestorage (= 5.2.8)
-      activesupport (= 5.2.8)
+    rails (6.0.6)
+      actioncable (= 6.0.6)
+      actionmailbox (= 6.0.6)
+      actionmailer (= 6.0.6)
+      actionpack (= 6.0.6)
+      actiontext (= 6.0.6)
+      actionview (= 6.0.6)
+      activejob (= 6.0.6)
+      activemodel (= 6.0.6)
+      activerecord (= 6.0.6)
+      activestorage (= 6.0.6)
+      activesupport (= 6.0.6)
       bundler (>= 1.3.0)
-      railties (= 5.2.8)
+      railties (= 6.0.6)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.1.1)
       activesupport (>= 5.0.0)
@@ -262,12 +277,12 @@ GEM
       loofah (~> 2.21)
       nokogiri (~> 1.14)
     rails-perftest (0.0.7)
-    railties (5.2.8)
-      actionpack (= 5.2.8)
-      activesupport (= 5.2.8)
+    railties (6.0.6)
+      actionpack (= 6.0.6)
+      activesupport (= 6.0.6)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
+      thor (>= 0.20.3, < 2.0)
     rainbow (3.1.1)
     raindrops (0.20.1)
     rake (13.0.6)
@@ -327,8 +342,6 @@ GEM
       rubocop (>= 1.33.0, < 2.0)
     ruby-prof (1.6.3)
     ruby-progressbar (1.13.0)
-    sass-rails (6.0.0)
-      sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.4.0)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -380,6 +393,7 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    zeitwerk (2.6.10)
 
 PLATFORMS
   ruby
@@ -410,15 +424,15 @@ DEPENDENCIES
   pry-rails
   puma
   rack-livereload
-  rails (= 5.2.8)
+  rails (= 6.0.6)
   rails-perftest
   rake
   rb-fsevent
   responders
   rspec-rails
   rubocop-github
   ruby-prof
-  sass-rails
+  sassc-rails
   simplecov
   sqlite3
   test-unit