cafe-grader-web Commit - r824:feb677289536

cafe-grader-web

Commit `r824:feb677289536` public

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Description:

merge with rails7 branch

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[Not Reviewed]

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merge default

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r824:feb677289536 - Mon, 24 Jan 2022 11:10:22 - 129 files changed: 862 inserted, 606 deleted

app/assets/config/manifest.js created 644 ¶ +4

@@ -0,0 +1,4
	1	+ //= link_tree ../images
	2	+ //= link_directory ../javascripts .js
	3	+ //= link_directory ../stylesheets .css
	4	+

bin/spring created 755 ¶ +14

@@ -0,0 +1,14
	1	+ #!/usr/bin/env ruby
	2	+ if !defined?(Spring) && [nil, "development", "test"].include?(ENV["RAILS_ENV"])
	3	+ gem "bundler"
	4	+ require "bundler"
	5	+
	6	+ # Load Spring without loading other gems in the Gemfile, for speed.
	7	+ Bundler.locked_gems&.specs&.find { \|spec\| spec.name == "spring" }&.tap do \|spring\|
	8	+ Gem.use_paths Gem.dir, Bundler.bundle_path.to_s, *Gem.path
	9	+ gem "spring", spring.version
	10	+ require "spring/binstub"
	11	+ rescue Gem::LoadError
	12	+ # Ignore when Spring is not installed.
	13	+ end
	14	+ end

config/initializers/new_framework_defaults_6_1.rb created 644 ¶ +67

@@ -0,0 +1,67
	1	+ # Be sure to restart your server when you modify this file.
	2	+ #
	3	+ # This file contains migration options to ease your Rails 6.1 upgrade.
	4	+ #
	5	+ # Once upgraded flip defaults one by one to migrate to the new default.
	6	+ #
	7	+ # Read the Guide for Upgrading Ruby on Rails for more info on each option.
	8	+
	9	+ # Support for inversing belongs_to -> has_many Active Record associations.
	10	+ # Rails.application.config.active_record.has_many_inversing = true
	11	+
	12	+ # Track Active Storage variants in the database.
	13	+ # Rails.application.config.active_storage.track_variants = true
	14	+
	15	+ # Apply random variation to the delay when retrying failed jobs.
	16	+ # Rails.application.config.active_job.retry_jitter = 0.15
	17	+
	18	+ # Stop executing `after_enqueue`/`after_perform` callbacks if
	19	+ # `before_enqueue`/`before_perform` respectively halts with `throw :abort`.
	20	+ # Rails.application.config.active_job.skip_after_callbacks_if_terminated = true
	21	+
	22	+ # Specify cookies SameSite protection level: either :none, :lax, or :strict.
	23	+ #
	24	+ # This change is not backwards compatible with earlier Rails versions.
	25	+ # It's best enabled when your entire app is migrated and stable on 6.1.
	26	+ # Rails.application.config.action_dispatch.cookies_same_site_protection = :lax
	27	+
	28	+ # Generate CSRF tokens that are encoded in URL-safe Base64.
	29	+ #
	30	+ # This change is not backwards compatible with earlier Rails versions.
	31	+ # It's best enabled when your entire app is migrated and stable on 6.1.
	32	+ # Rails.application.config.action_controller.urlsafe_csrf_tokens = true
	33	+
	34	+ # Specify whether `ActiveSupport::TimeZone.utc_to_local` returns a time with an
	35	+ # UTC offset or a UTC time.
	36	+ # ActiveSupport.utc_to_local_returns_utc_offset_times = true
	37	+
	38	+ # Change the default HTTP status code to `308` when redirecting non-GET/HEAD
	39	+ # requests to HTTPS in `ActionDispatch::SSL` middleware.
	40	+ # Rails.application.config.action_dispatch.ssl_default_redirect_status = 308
	41	+
	42	+ # Use new connection handling API. For most applications this won't have any
	43	+ # effect. For applications using multiple databases, this new API provides
	44	+ # support for granular connection swapping.
	45	+ # Rails.application.config.active_record.legacy_connection_handling = false
	46	+
	47	+ # Make `form_with` generate non-remote forms by default.
	48	+ # Rails.application.config.action_view.form_with_generates_remote_forms = false
	49	+
	50	+ # Set the default queue name for the analysis job to the queue adapter default.
	51	+ # Rails.application.config.active_storage.queues.analysis = nil
	52	+
	53	+ # Set the default queue name for the purge job to the queue adapter default.
	54	+ # Rails.application.config.active_storage.queues.purge = nil
	55	+
	56	+ # Set the default queue name for the incineration job to the queue adapter default.
	57	+ # Rails.application.config.action_mailbox.queues.incineration = nil
	58	+
	59	+ # Set the default queue name for the routing job to the queue adapter default.
	60	+ # Rails.application.config.action_mailbox.queues.routing = nil
	61	+
	62	+ # Set the default queue name for the mail deliver job to the queue adapter default.
	63	+ # Rails.application.config.action_mailer.deliver_later_queue_name = nil
	64	+
	65	+ # Generate a `Link` header that gives a hint to modern browsers about
	66	+ # preloading assets when using `javascript_include_tag` and `stylesheet_link_tag`.
	67	+ # Rails.application.config.action_view.preload_links_header = true

config/initializers/new_framework_defaults_7_0.rb created 644 ¶ +117

@@ -0,0 +1,117
	1	+ # Be sure to restart your server when you modify this file.
	2	+ #
	3	+ # This file eases your Rails 7.0 framework defaults upgrade.
	4	+ #
	5	+ # Uncomment each configuration one by one to switch to the new default.
	6	+ # Once your application is ready to run with all new defaults, you can remove
	7	+ # this file and set the `config.load_defaults` to `7.0`.
	8	+ #
	9	+ # Read the Guide for Upgrading Ruby on Rails for more info on each option.
	10	+ # https://guides.rubyonrails.org/upgrading_ruby_on_rails.html
	11	+
	12	+ # `button_to` view helper will render `<button>` element, regardless of whether
	13	+ # or not the content is passed as the first argument or as a block.
	14	+ # Rails.application.config.action_view.button_to_generates_button_tag = true
	15	+
	16	+ # `stylesheet_link_tag` view helper will not render the media attribute by default.
	17	+ # Rails.application.config.action_view.apply_stylesheet_media_default = false
	18	+
	19	+ # Change the digest class for the key generators to `OpenSSL::Digest::SHA256`.
	20	+ # Changing this default means invalidate all encrypted messages generated by
	21	+ # your application and, all the encrypted cookies. Only change this after you
	22	+ # rotated all the messages using the key rotator.
	23	+ #
	24	+ # See upgrading guide for more information on how to build a rotator.
	25	+ # https://guides.rubyonrails.org/v7.0/upgrading_ruby_on_rails.html
	26	+ # Rails.application.config.active_support.key_generator_hash_digest_class = OpenSSL::Digest::SHA256
	27	+
	28	+ # Change the digest class for ActiveSupport::Digest.
	29	+ # Changing this default means that for example Etags change and
	30	+ # various cache keys leading to cache invalidation.
	31	+ # Rails.application.config.active_support.hash_digest_class = OpenSSL::Digest::SHA256
	32	+
	33	+ # Don't override ActiveSupport::TimeWithZone.name and use the default Ruby
	34	+ # implementation.
	35	+ # Rails.application.config.active_support.remove_deprecated_time_with_zone_name = true
	36	+
	37	+ # Change the format of the cache entry.
	38	+ # Changing this default means that all new cache entries added to the cache
	39	+ # will have a different format that is not supported by Rails 6.1 applications.
	40	+ # Only change this value after your application is fully deployed to Rails 7.0
	41	+ # and you have no plans to rollback.
	42	+ # Rails.application.config.active_support.cache_format_version = 7.0
	43	+
	44	+ # Calls `Rails.application.executor.wrap` around test cases.
	45	+ # This makes test cases behave closer to an actual request or job.
	46	+ # Several features that are normally disabled in test, such as Active Record query cache
	47	+ # and asynchronous queries will then be enabled.
	48	+ # Rails.application.config.active_support.executor_around_test_case = true
	49	+
	50	+ # Define the isolation level of most of Rails internal state.
	51	+ # If you use a fiber based server or job processor, you should set it to `:fiber`.
	52	+ # Otherwise the default of `:thread` if preferable.
	53	+ # Rails.application.config.active_support.isolation_level = :thread
	54	+
	55	+ # Set both the `:open_timeout` and `:read_timeout` values for `:smtp` delivery method.
	56	+ # Rails.application.config.action_mailer.smtp_timeout = 5
	57	+
	58	+ # The ActiveStorage video previewer will now use scene change detection to generate
	59	+ # better preview images (rather than the previous default of using the first frame
	60	+ # of the video).
	61	+ # Rails.application.config.active_storage.video_preview_arguments =
	62	+ # "-vf 'select=eq(n\\,0)+eq(key\\,1)+gt(scene\\,0.015),loop=loop=-1:size=2,trim=start_frame=1' -frames:v 1 -f image2"
	63	+
	64	+ # Automatically infer `inverse_of` for associations with a scope.
	65	+ # Rails.application.config.active_record.automatic_scope_inversing = true
	66	+
	67	+ # Raise when running tests if fixtures contained foreign key violations
	68	+ # Rails.application.config.active_record.verify_foreign_keys_for_fixtures = true
	69	+
	70	+ # Disable partial inserts.
	71	+ # This default means that all columns will be referenced in INSERT queries
	72	+ # regardless of whether they have a default or not.
	73	+ # Rails.application.config.active_record.partial_inserts = false
	74	+ #
	75	+ # Protect from open redirect attacks in `redirect_back_or_to` and `redirect_to`.
	76	+ # Rails.application.config.action_controller.raise_on_open_redirects = true
	77	+
	78	+ # Change the variant processor for Active Storage.
	79	+ # Changing this default means updating all places in your code that
	80	+ # generate variants to use image processing macros and ruby-vips
	81	+ # operations. See the upgrading guide for detail on the changes required.
	82	+ # The `:mini_magick` option is not deprecated; it's fine to keep using it.
	83	+ # Rails.application.config.active_storage.variant_processor = :vips
	84	+
	85	+ # If you're upgrading and haven't set `cookies_serializer` previously, your cookie serializer
	86	+ # was `:marshal`. Convert all cookies to JSON, using the `:hybrid` formatter.
	87	+ #
	88	+ # If you're confident all your cookies are JSON formatted, you can switch to the `:json` formatter.
	89	+ #
	90	+ # Continue to use `:marshal` for backward-compatibility with old cookies.
	91	+ #
	92	+ # If you have configured the serializer elsewhere, you can remove this.
	93	+ #
	94	+ # See https://guides.rubyonrails.org/action_controller_overview.html#cookies for more information.
	95	+ # Rails.application.config.action_dispatch.cookies_serializer = :hybrid
	96	+
	97	+ # Enable parameter wrapping for JSON.
	98	+ # Previously this was set in an initializer. It's fine to keep using that initializer if you've customized it.
	99	+ # To disable parameter wrapping entirely, set this config to `false`.
	100	+ # Rails.application.config.action_controller.wrap_parameters_by_default = true
	101	+
	102	+ # Specifies whether generated namespaced UUIDs follow the RFC 4122 standard for namespace IDs provided as a
	103	+ # `String` to `Digest::UUID.uuid_v3` or `Digest::UUID.uuid_v5` method calls.
	104	+ #
	105	+ # See https://guides.rubyonrails.org/configuring.html#config-active-support-use-rfc4122-namespaced-uuids for
	106	+ # more information.
	107	+ # Rails.application.config.active_support.use_rfc4122_namespaced_uuids = true
	108	+
	109	+ # Change the default headers to disable browsers' flawed legacy XSS protection.
	110	+ # Rails.application.config.action_dispatch.default_headers = {
	111	+ # "X-Frame-Options" => "SAMEORIGIN",
	112	+ # "X-XSS-Protection" => "0",
	113	+ # "X-Content-Type-Options" => "nosniff",
	114	+ # "X-Download-Options" => "noopen",
	115	+ # "X-Permitted-Cross-Domain-Policies" => "none",
	116	+ # "Referrer-Policy" => "strict-origin-when-cross-origin"
	117	+ # }

config/initializers/permissions_policy.rb created 644 ¶ +11

@@ -0,0 +1,11
	1	+ # Define an application-wide HTTP permissions policy. For further
	2	+ # information see https://developers.google.com/web/updates/2018/06/feature-policy
	3	+ #
	4	+ # Rails.application.config.permissions_policy do \|f\|
	5	+ # f.camera :none
	6	+ # f.gyroscope :none
	7	+ # f.microphone :none
	8	+ # f.usb :none
	9	+ # f.fullscreen :self
	10	+ # f.payment :self, "https://secure.example.com"
	11	+ # end

script/score_subtask.rb created 644 ¶ +89

@@ -0,0 +1,89
	1	+ def display_manual
	2	+ puts <<-USAGE
	3	+ subtask_score problem last_submision_id sub1_score,sub2_score,sub3_score,....
	4	+ example:
	5	+ rails runner subtask_score.rb o64_may26_train 102983 10,15,18,18,39
	6	+ USAGE
	7	+ end
	8	+
	9	+ def process_options
	10	+ res = {}
	11	+ if ARGV.length == 0
	12	+ display_manual
	13	+ exit(1)
	14	+ end
	15	+
	16	+ res[:prob] = ARGV[0]
	17	+ res[:last_sub_id] = ARGV[1].to_i
	18	+ res[:score] = ARGV[2].split(',').map {\|x\| x.to_i}
	19	+ return res
	20	+ end
	21	+
	22	+ def process_subtask(st)
	23	+ return true if /^P+$/.match(st)
	24	+ return false
	25	+ end
	26	+
	27	+ def process_comment(st)
	28	+ res = []
	29	+ loop do
	30	+ break if st.length == 0
	31	+ if st[0] == '['
	32	+ #subtask
	33	+ subtask = st.slice!(0..(st.index(']')))
	34	+ res << process_subtask(subtask[1..-2])
	35	+ else #not subtask
	36	+ res << process_subtask(st[0])
	37	+ st.slice!(0)
	38	+ end
	39	+ end
	40	+ return res
	41	+ end
	42	+
	43	+ options = process_options
	44	+ scoring = options[:score]
	45	+ puts "doing problem #{options[:prob]}"
	46	+ puts " consider only submission with id not more than #{options[:last_sub_id]}"
	47	+ scoring.each.with_index { \|x,i\| puts " subtask#{i}: #{x}" }
	48	+
	49	+ res = {}
	50	+
	51	+ p = Problem.where(name: options[:prob]).first
	52	+ unless p
	53	+ puts "Problem #{options[:prob]} not found"
	54	+ exit(2)
	55	+ end
	56	+
	57	+ p.submissions.where('id <= ?',options[:last_sub_id]).order(:id).each do \|sub\|
	58	+ unless sub.graded_at
	59	+ puts "skip ungraded submission #{sub.id}"
	60	+ next
	61	+ end
	62	+ if sub.grader_comment == "compilation error"
	63	+ puts "skip uncompilable submission #{sub.id}"
	64	+ next
	65	+ end
	66	+
	67	+ comment = sub.grader_comment.clone
	68	+ comment_result = process_comment(comment)
	69	+ if comment_result.length != scoring.length
	70	+ puts "ERROR!!! subtask of submission #{sub.id} does not match scoring input"
	71	+ end
	72	+
	73	+ puts "processing submission #{sub.id} with comment = #{sub.grader_comment} result is #{comment_result}"
	74	+ current = res[sub.user.login] \|\| [false] * scoring.length
	75	+ current.each.with_index do \|x,i\|
	76	+ if !x && comment_result[i]
	77	+ puts " user #{sub.user.login} just got subtask #{i+1} from this submission"
	78	+ current[i] = true
	79	+ end
	80	+ end
	81	+ res[sub.user.login] = current
	82	+ end
	83	+
	84	+ puts "----summary-----"
	85	+ res.each do \|u,r\|
	86	+ score = scoring.clone
	87	+ r.each.with_index { \|pass,i\| score[i] = 0 unless pass }
	88	+ puts "#{u} #{score.sum} [#{score.join(',')}]"
	89	+ end

.ruby-version ¶ +1 -1

	@@ -1,1 +1,1
	1	- ruby-~~2.6.3~~		1	+ ruby-3.1.0

Gemfile ¶ +16 -9

               source 'https://rubygems.org'
               git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+            + ruby '3.1.0'
+            +
               #rails
-            - gem 'rails', '~>5.2'
+            + gem 'rails', '~>7.0'
+            +
+            + # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
+            + gem "sprockets-rails"
+            +
               gem 'activerecord-session_store'
               gem 'puma'
               # Reduces boot times through caching; required in config/boot.rb
-            - gem 'bootsnap', '>= 1.1.0', require: false
+            + gem 'bootsnap', require: false
               # Bundle edge Rails instead:
               # gem 'rails', :git => 'git://github.com/rails/rails.git'
               # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
               #gem 'turbolinks', '~> 5'
               # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-            - gem 'jbuilder', '~> 2.5'
+            + gem 'jbuilder'
               #in-place editor
-            - gem 'best_in_place', '~> 3.0.1'
+            + gem 'best_in_place', git: "https://github.com/mmotherwell/best_in_place"
               # jquery addition
               gem 'jquery-rails'
               group :development, :test do
                 # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-            -   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+            +   gem 'debug', platforms: [:mri, :mingw, :x64_mingw]
               end
               group :development do
                 # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
                 gem 'spring'
                 gem 'spring-watcher-listen', '~> 2.0.0'
+            +
+            +   # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
+            +   # gem "rack-mini-profiler"
               end
               group :test do
                 # Adds support for Capybara system testing and selenium driver
-            -   gem 'capybara', '>= 2.15'
+            +   gem 'capybara'
                 gem 'selenium-webdriver'
-            -   # Easy installation and use of chromedriver to run system tests with Chrome
+            +   gem 'webdrivers'
-            -   #gem 'chromedriver-helper'
-            -   gem 'webdriver'
               end

Gemfile.lock ¶ +225 -163

@@ -1,211 +1,265
		1	+ GIT
		2	+ remote: https://github.com/mmotherwell/best_in_place
		3	+ revision: 88eb3052623a9a6cd346864d2aca05021c2f80d0
		4	+ specs:
		5	+ best_in_place (3.1.1)
		6	+ actionpack (>= 3.2)
		7	+ railties (>= 3.2)
		8	+
1	GEM	9	GEM
2	remote: https://rubygems.org/	10	remote: https://rubygems.org/
3	specs:	11	specs:
4	- RubyInline (3.12.4)	12	+ RubyInline (3.12.5)
5	ZenTest (~> 4.3)	13	ZenTest (~> 4.3)
6	- ZenTest (4.11.2)	14	+ ZenTest (4.12.0)
7	- ace-rails-ap (4.2)	15	+ ace-rails-ap (4.4)
8	- actioncable (~~5.2.4.2~~)	16	+ actioncable (7.0.1)
9	- actionpack (= ~~5.2.4.2~~)	17	+ actionpack (= 7.0.1)
		18	+ activesupport (= 7.0.1)
10	nio4r (~> 2.0)	19	nio4r (~> 2.0)
11	websocket-driver (>= 0.6.1)	20	websocket-driver (>= 0.6.1)
12	- actionmail~~er (5.2.4.2~~)	21	+ actionmailbox (7.0.1)
13	- actionpack (= ~~5.2.4.2~~)	22	+ actionpack (= 7.0.1)
14	- acti~~onview (= 5.2.4.2~~)	23	+ activejob (= 7.0.1)
15	- active~~job (= 5.2.4.2~~)	24	+ activerecord (= 7.0.1)
		25	+ activestorage (= 7.0.1)
		26	+ activesupport (= 7.0.1)
		27	+ mail (>= 2.7.1)
		28	+ net-imap
		29	+ net-pop
		30	+ net-smtp
		31	+ actionmailer (7.0.1)
		32	+ actionpack (= 7.0.1)
		33	+ actionview (= 7.0.1)
		34	+ activejob (= 7.0.1)
		35	+ activesupport (= 7.0.1)
16	mail (~> 2.5, >= 2.5.4)	36	mail (~> 2.5, >= 2.5.4)
		37	+ net-imap
		38	+ net-pop
		39	+ net-smtp
17	rails-dom-testing (~> 2.0)	40	rails-dom-testing (~> 2.0)
18	- actionpack (~~5.2.4.2~~)	41	+ actionpack (7.0.1)
19	- actionview (= ~~5.2.4.2~~)	42	+ actionview (= 7.0.1)
20	- activesupport (= ~~5.2.4.2~~)	43	+ activesupport (= 7.0.1)
21	- rack (~> 2.0, >= 2.~~0.8~~)	44	+ rack (~> 2.0, >= 2.2.0)
22	rack-test (>= 0.6.3)	45	rack-test (>= 0.6.3)
23	rails-dom-testing (~> 2.0)	46	rails-dom-testing (~> 2.0)
24	- rails-html-sanitizer (~> 1.0, >= 1.0.2)	47	+ rails-html-sanitizer (~> 1.0, >= 1.2.0)
25	- action~~view (5.2.4.2~~)	48	+ actiontext (7.0.1)
26	- acti~~vesupport (= 5.2.4.2~~)	49	+ actionpack (= 7.0.1)
		50	+ activerecord (= 7.0.1)
		51	+ activestorage (= 7.0.1)
		52	+ activesupport (= 7.0.1)
		53	+ globalid (>= 0.6.0)
		54	+ nokogiri (>= 1.8.5)
		55	+ actionview (7.0.1)
		56	+ activesupport (= 7.0.1)
27	builder (~> 3.1)	57	builder (~> 3.1)
28	erubi (~> 1.4)	58	erubi (~> 1.4)
29	rails-dom-testing (~> 2.0)	59	rails-dom-testing (~> 2.0)
30	- rails-html-sanitizer (~> 1.~~0, >= 1.0.3~~)	60	+ rails-html-sanitizer (~> 1.1, >= 1.2.0)
31	- activejob (~~5.2.4.2~~)	61	+ activejob (7.0.1)
32	- activesupport (= ~~5.2.4.2~~)	62	+ activesupport (= 7.0.1)
33	globalid (>= 0.3.6)	63	globalid (>= 0.3.6)
34	- activemodel (~~5.2.4.2~~)	64	+ activemodel (7.0.1)
35	- activesupport (= ~~5.2.4.2~~)	65	+ activesupport (= 7.0.1)
36	- activerecord (~~5.2.4.2~~)	66	+ activerecord (7.0.1)
37	- activemodel (= ~~5.2.4.2~~)	67	+ activemodel (= 7.0.1)
38	- activesupport (= ~~5.2.4.2~~)	68	+ activesupport (= 7.0.1)
39	- arel (>= 9.0)	69	+ activerecord-session_store (2.0.0)
40	- activerecord-session_store (1.1.3)	70	+ actionpack (>= 5.2.4.1)
41	- acti~~onpack (>= 4.0~~)	71	+ activerecord (>= 5.2.4.1)
42	- activerecord (>= 4.0)
43	multi_json (~> 1.11, >= 1.11.2)	72	multi_json (~> 1.11, >= 1.11.2)
44	- rack (>= ~~1.5.2~~, < 3)	73	+ rack (>= 2.0.8, < 3)
45	- railties (>= ~~4.0~~)	74	+ railties (>= 5.2.4.1)
46	- activestorage (~~5.2.4.2~~)	75	+ activestorage (7.0.1)
47	- actionpack (= ~~5.2.4.2~~)	76	+ actionpack (= 7.0.1)
48	- active~~record (= 5.2.4.2~~)	77	+ activejob (= 7.0.1)
49	- ~~marcel (~> 0.3~~.1)	78	+ activerecord (= 7.0.1)
50	- activesupport (~~5.2.4.2~~)	79	+ activesupport (= 7.0.1)
		80	+ marcel (~> 1.0)
		81	+ mini_mime (>= 1.1.0)
		82	+ activesupport (7.0.1)
51	concurrent-ruby (~> 1.0, >= 1.0.2)	83	concurrent-ruby (~> 1.0, >= 1.0.2)
52	- i18n (>= ~~0.7~~, < 2)	84	+ i18n (>= 1.6, < 2)
53	- minitest (~> 5.1)	85	+ minitest (>= 5.1)
54	- tzinfo (~> ~~1.1~~)	86	+ tzinfo (~> 2.0)
55	- addressable (2.7.0)	87	+ addressable (2.8.0)
56	public_suffix (>= 2.0.2, < 5.0)	88	public_suffix (>= 2.0.2, < 5.0)
57	ansi (1.5.0)	89	ansi (1.5.0)
58	- arel (9.0.0)	90	+ autoprefixer-rails (10.4.2.0)
59	- autoprefixer-rails (9.5.1)	91	+ execjs (~> 2)
60	- execjs
61	- best_in_place (3.0.3)
62	- actionpack (>= 3.2)
63	- railties (>= 3.2)
64	bindex (0.8.1)	92	bindex (0.8.1)
65	- bootsnap (1.~~4.6~~)	93	+ bootsnap (1.9.4)
66	msgpack (~> 1.0)	94	msgpack (~> 1.0)
67	bootstrap-sass (3.4.1)	95	bootstrap-sass (3.4.1)
68	autoprefixer-rails (>= 5.2.1)	96	autoprefixer-rails (>= 5.2.1)
69	sassc (>= 2.0.0)	97	sassc (>= 2.0.0)
70	- bootstrap-switch-rails (3.3.4)	98	+ bootstrap-switch-rails (3.3.5)
71	bootstrap-toggle-rails (2.2.1.0)	99	bootstrap-toggle-rails (2.2.1.0)
72	bootstrap3-datetimepicker-rails (4.17.47)	100	bootstrap3-datetimepicker-rails (4.17.47)
73	momentjs-rails (>= 2.8.1)	101	momentjs-rails (>= 2.8.1)
74	builder (3.2.4)	102	builder (3.2.4)
75	- byebug (11.0.1)	103	+ capybara (3.36.0)
76	- capybara (3.15.1)
77	addressable	104	addressable
		105	+ matrix
78	mini_mime (>= 0.1.3)	106	mini_mime (>= 0.1.3)
79	nokogiri (~> 1.8)	107	nokogiri (~> 1.8)
80	rack (>= 1.6.0)	108	rack (>= 1.6.0)
81	rack-test (>= 0.6.3)	109	rack-test (>= 0.6.3)
82	- regexp_parser (~~~> 1.2~~)	110	+ regexp_parser (>= 1.5, < 3.0)
83	xpath (~> 3.2)	111	xpath (~> 3.2)
84	- childprocess (~~3.0~~.0)	112	+ childprocess (4.1.0)
85	- coffee-rails (~~4.2.2~~)	113	+ coffee-rails (5.0.0)
86	coffee-script (>= 2.2.0)	114	coffee-script (>= 2.2.0)
87	- railties (>= ~~4.0~~.0)	115	+ railties (>= 5.2.0)
88	coffee-script (2.4.1)	116	coffee-script (2.4.1)
89	coffee-script-source	117	coffee-script-source
90	execjs	118	execjs
91	coffee-script-source (1.12.2)	119	coffee-script-source (1.12.2)
92	- concurrent-ruby (1.1.6)	120	+ concurrent-ruby (1.1.9)
93	crass (1.0.6)	121	crass (1.0.6)
		122	+ debug (1.4.0)
		123	+ irb (>= 1.3.6)
		124	+ reline (>= 0.2.7)
		125	+ digest (3.1.0)
94	dynamic_form (1.1.4)	126	dynamic_form (1.1.4)
95	- erubi (1.9.0)	127	+ erubi (1.10.0)
96	erubis (2.7.0)	128	erubis (2.7.0)
97	- execjs (2.~~7.0~~)	129	+ execjs (2.8.1)
98	- ffi (1.1~~0.0~~)	130	+ ffi (1.15.5)
99	fuzzy-string-match (1.0.1)	131	fuzzy-string-match (1.0.1)
100	RubyInline (>= 3.8.6)	132	RubyInline (>= 3.8.6)
101	- globalid (~~0.4.2~~)	133	+ globalid (1.0.0)
102	- activesupport (>= ~~4.2~~.0)	134	+ activesupport (>= 5.0)
103	- haml (5.~~0.4~~)	135	+ haml (5.2.2)
104	temple (>= 0.8.0)	136	temple (>= 0.8.0)
105	tilt	137	tilt
106	- haml-rails (~~1.0.0~~)	138	+ haml-rails (2.0.1)
107	- actionpack (>= ~~4.0~~.1)	139	+ actionpack (>= 5.1)
108	- activesupport (>= ~~4.0~~.1)	140	+ activesupport (>= 5.1)
109	haml (>= 4.0.6, < 6.0)	141	haml (>= 4.0.6, < 6.0)
110	html2haml (>= 1.0.1)	142	html2haml (>= 1.0.1)
111	- railties (>= ~~4.0~~.1)	143	+ railties (>= 5.1)
112	html2haml (2.2.0)	144	html2haml (2.2.0)
113	erubis (~> 2.7.0)	145	erubis (~> 2.7.0)
114	haml (>= 4.0, < 6)	146	haml (>= 4.0, < 6)
115	nokogiri (>= 1.6.0)	147	nokogiri (>= 1.6.0)
116	ruby_parser (~> 3.5)	148	ruby_parser (~> 3.5)
117	- i18n (1.8.2)	149	+ i18n (1.8.11)
118	concurrent-ruby (~> 1.0)	150	concurrent-ruby (~> 1.0)
119	in_place_editing (1.2.0)	151	in_place_editing (1.2.0)
120	- jbuilder (2.10.0)	152	+ io-console (0.5.11)
		153	+ io-wait (0.2.1)
		154	+ irb (1.4.1)
		155	+ reline (>= 0.3.0)
		156	+ jbuilder (2.11.5)
		157	+ actionview (>= 5.0.0)
121	activesupport (>= 5.0.0)	158	activesupport (>= 5.0.0)
122	jquery-countdown-rails (2.0.2)	159	jquery-countdown-rails (2.0.2)
123	- jquery-rails (4.~~3.3~~)	160	+ jquery-rails (4.4.0)
124	rails-dom-testing (>= 1, < 3)	161	rails-dom-testing (>= 1, < 3)
125	railties (>= 4.2.0)	162	railties (>= 4.2.0)
126	thor (>= 0.14, < 2.0)	163	thor (>= 0.14, < 2.0)
127	- jquery-tablesorter (1.2~~6.1~~)	164	+ jquery-tablesorter (1.27.2)
128	- railties (>= 3.2~~, < 6~~)	165	+ railties (>= 3.2)
129	jquery-ui-rails (6.0.1)	166	jquery-ui-rails (6.0.1)
130	railties (>= 3.2.16)	167	railties (>= 3.2.16)
131	- listen (3.~~1.5~~)	168	+ listen (3.0.8)
132	rb-fsevent (~> 0.9, >= 0.9.4)	169	rb-fsevent (~> 0.9, >= 0.9.4)
133	rb-inotify (~> 0.9, >= 0.9.7)	170	rb-inotify (~> 0.9, >= 0.9.7)
134	- ruby_dep (~> 1.2)	171	+ loofah (2.13.0)
135	- loofah (2.4.0)
136	crass (~> 1.0.2)	172	crass (~> 1.0.2)
137	nokogiri (>= 1.5.9)	173	nokogiri (>= 1.5.9)
138	mail (2.7.1)	174	mail (2.7.1)
139	mini_mime (>= 0.1.1)	175	mini_mime (>= 0.1.1)
140	- marcel (~~0.3.3~~)	176	+ marcel (1.0.2)
141	- mimemagic (~> 0.3.2)	177	+ matrix (0.4.2)
142	method_source (1.0.0)	178	method_source (1.0.0)
143	- mi~~memagic (0.3.4~~)	179	+ mini_mime (1.1.2)
144	- mini~~_mime (1.0.2~~)	180	+ minitest (5.15.0)
145	- mini~~_portile2 (2.4~~.0)	181	+ minitest-reporters (1.5.0)
146	- minitest (5.14.0)
147	- minitest-reporters (1.3.6)
148	ansi	182	ansi
149	builder	183	builder
150	minitest (>= 5.0)	184	minitest (>= 5.0)
151	ruby-progressbar	185	ruby-progressbar
152	- momentjs-rails (2.20.1)	186	+ momentjs-rails (2.29.1.1)
153	railties (>= 3.1)	187	railties (>= 3.1)
154	- msgpack (1.~~3.3~~)	188	+ msgpack (1.4.2)
155	- multi_json (1.1~~3.1~~)	189	+ multi_json (1.15.0)
156	- mysql2 (0.5.2)	190	+ mysql2 (0.5.3)
157	- nio4r (2.5.2)	191	+ net-imap (0.2.3)
158	- nokogiri (1.10.9)	192	+ digest
159	- mini_portile2 (~> 2.4.0)	193	+ net-protocol
160	- public_suffix (4.0.3)	194	+ strscan
161	- puma (4.3.3)	195	+ net-pop (0.1.1)
		196	+ digest
		197	+ net-protocol
		198	+ timeout
		199	+ net-protocol (0.1.2)
		200	+ io-wait
		201	+ timeout
		202	+ net-smtp (0.3.1)
		203	+ digest
		204	+ net-protocol
		205	+ timeout
		206	+ nio4r (2.5.8)
		207	+ nokogiri (1.13.1-x86_64-linux)
		208	+ racc (~> 1.4)
		209	+ public_suffix (4.0.6)
		210	+ puma (5.5.2)
162	nio4r (~> 2.0)	211	nio4r (~> 2.0)
163	- rac~~k (2.2.2~~)	212	+ racc (1.6.0)
		213	+ rack (2.2.3)
164	rack-test (1.1.0)	214	rack-test (1.1.0)
165	rack (>= 1.0, < 3)	215	rack (>= 1.0, < 3)
166	- rails (~~5.2.4.2~~)	216	+ rails (7.0.1)
167	- actioncable (= ~~5.2.4.2~~)	217	+ actioncable (= 7.0.1)
168	- actionmail~~er (= 5.2.4.2~~)	218	+ actionmailbox (= 7.0.1)
169	- action~~pack (= 5.2.4.2~~)	219	+ actionmailer (= 7.0.1)
170	- action~~view (= 5.2.4.2~~)	220	+ actionpack (= 7.0.1)
171	- acti~~vejob (= 5.2.4.2~~)	221	+ actiontext (= 7.0.1)
172	- acti~~vemodel (= 5.2.4.2~~)	222	+ actionview (= 7.0.1)
173	- active~~record (= 5.2.4.2~~)	223	+ activejob (= 7.0.1)
174	- active~~storage (= 5.2.4.2~~)	224	+ activemodel (= 7.0.1)
175	- active~~support (= 5.2.4.2~~)	225	+ activerecord (= 7.0.1)
176	- bundler (>= 1.3.0)	226	+ activestorage (= 7.0.1)
177	- ~~railties (= 5.2.4.2~~)	227	+ activesupport (= 7.0.1)
178	- sprockets-rails (>= 2.0.0)	228	+ bundler (>= 1.15.0)
179	- rails-controller-testing (1.0.4)	229	+ railties (= 7.0.1)
180	- actionpack (>= 5.0.1.x)	230	+ rails-controller-testing (1.0.5)
181	- action~~view~~ (>= 5.0.1.x)	231	+ actionpack (>= 5.0.1.rc1)
182	- acti~~vesupport~~ (>= 5.0.1.x)	232	+ actionview (>= 5.0.1.rc1)
		233	+ activesupport (>= 5.0.1.rc1)
183	rails-dom-testing (2.0.3)	234	rails-dom-testing (2.0.3)
184	activesupport (>= 4.2.0)	235	activesupport (>= 4.2.0)
185	nokogiri (>= 1.6)	236	nokogiri (>= 1.6)
186	- rails-html-sanitizer (1.~~3.0~~)	237	+ rails-html-sanitizer (1.4.2)
187	loofah (~> 2.3)	238	loofah (~> 2.3)
188	- rails_bootstrap_sortable (2.0.6)	239	+ rails_bootstrap_sortable (2.0.7)
189	momentjs-rails (>= 2.8.3)	240	momentjs-rails (>= 2.8.3)
190	- railties (~~5.2.4.2~~)	241	+ railties (7.0.1)
191	- actionpack (= ~~5.2.4.2~~)	242	+ actionpack (= 7.0.1)
192	- activesupport (= ~~5.2.4.2~~)	243	+ activesupport (= 7.0.1)
193	method_source	244	method_source
194	- rake (>= ~~0.8.7~~)	245	+ rake (>= 12.2)
195	- thor (>= 0.1~~9.0, < 2~~.0)	246	+ thor (~> 1.0)
196	- rake (13.0.1)	247	+ zeitwerk (~> 2.5)
197	- rb-fsevent (0.10.3)	248	+ rake (13.0.6)
198	- rb-~~inotify (0.10~~.0)	249	+ rb-fsevent (0.11.0)
		250	+ rb-inotify (0.10.1)
199	ffi (~> 1.0)	251	ffi (~> 1.0)
200	- rdiscount (2.2.0.1)	252	+ rdiscount (2.2.0.2)
201	- regexp_parser (~~1.7~~.0)	253	+ regexp_parser (2.2.0)
202	- r~~ouge (3.3.0~~)	254	+ reline (0.3.1)
203	- ruby-progressbar (1.10.0)	255	+ io-console (~> 0.5)
204	- ruby_dep (1.5.0)	256	+ rexml (3.2.5)
205	- r~~uby_parser (3.13.1~~)	257	+ rouge (3.27.0)
206	- sexp_processor (~> 4.9)	258	+ ruby-progressbar (1.11.0)
207	- ruby~~zip (1.3.0~~)	259	+ ruby_parser (3.18.1)
208	- sassc (2.2.1)	260	+ sexp_processor (~> 4.16)
		261	+ rubyzip (2.3.2)
		262	+ sassc (2.4.0)
209	ffi (~> 1.9)	263	ffi (~> 1.9)
210	sassc-rails (2.1.2)	264	sassc-rails (2.1.2)
211	railties (>= 4.0.0)	265	railties (>= 4.0.0)
@@ -213,73 +267,77
213	sprockets (> 3.0)	267	sprockets (> 3.0)
214	sprockets-rails	268	sprockets-rails
215	tilt	269	tilt
216	- select2-rails (4.0.3)	270	+ select2-rails (4.0.13)
217	- thor (~> 0.14)	271	+ selenium-webdriver (4.1.0)
218	- selenium-webdriver (3.142.7)	272	+ childprocess (>= 0.5, < 5.0)
219	- childprocess (>= 0.5, < 4.0)	273	+ rexml (~> 3.2, >= 3.2.5)
220	rubyzip (>= 1.2.2)	274	rubyzip (>= 1.2.2)
221	- sexp_processor (4.12.0)	275	+ sexp_processor (4.16.0)
222	- simple_form (5.~~0.2~~)	276	+ simple_form (5.1.0)
223	- actionpack (>= 5.0)	277	+ actionpack (>= 5.2)
224	- activemodel (>= 5.0)	278	+ activemodel (>= 5.2)
225	- spring (2.~~0.2~~)	279	+ spring (2.1.1)
226	- activesupport (>= 4.2)
227	spring-watcher-listen (2.0.1)	280	spring-watcher-listen (2.0.1)
228	listen (>= 2.7, < 4.0)	281	listen (>= 2.7, < 4.0)
229	spring (>= 1.2, < 3.0)	282	spring (>= 1.2, < 3.0)
230	- sprockets (~~3.7~~.2)	283	+ sprockets (4.0.2)
231	concurrent-ruby (~> 1.0)	284	concurrent-ruby (~> 1.0)
232	rack (> 1, < 3)	285	rack (> 1, < 3)
233	- sprockets-rails (3.~~2.1~~)	286	+ sprockets-rails (3.4.2)
234	- actionpack (>= ~~4.0~~)	287	+ actionpack (>= 5.2)
235	- activesupport (>= ~~4.0~~)	288	+ activesupport (>= 5.2)
236	sprockets (>= 3.0.0)	289	sprockets (>= 3.0.0)
237	- sqlite3 (1.4.1)	290	+ sqlite3 (1.4.2)
238	- temple (0.8.1)	291	+ strscan (3.0.1)
239	- t~~hor (0.20.3~~)	292	+ temple (0.8.2)
240	- th~~read_safe (0.3.6~~)	293	+ thor (1.2.1)
241	- tilt (2.0.9)	294	+ tilt (2.0.10)
242	- t~~zinfo (1.2.7~~)	295	+ timeout (0.2.0)
243	- thread_safe (~> 0.1)	296	+ tzinfo (2.0.4)
244	- uglifier (4.1.20)	297	+ concurrent-ruby (~> 1.0)
		298	+ uglifier (4.2.0)
245	execjs (>= 0.3.0, < 3)	299	execjs (>= 0.3.0, < 3)
246	- web-console (~~3.7~~.0)	300	+ web-console (4.2.0)
247	- actionview (>= 5.0)	301	+ actionview (>= 6.0.0)
248	- activemodel (>= 5.0)	302	+ activemodel (>= 6.0.0)
249	bindex (>= 0.4.0)	303	bindex (>= 0.4.0)
250	- railties (>= 5.0)	304	+ railties (>= 6.0.0)
251	- webdriver (0.5.0)	305	+ webdrivers (5.0.0)
252	- websocket-driver (0.7.1)	306	+ nokogiri (~> 1.6)
		307	+ rubyzip (>= 1.3.0)
		308	+ selenium-webdriver (~> 4.0)
		309	+ websocket-driver (0.7.5)
253	websocket-extensions (>= 0.1.0)	310	websocket-extensions (>= 0.1.0)
254	- websocket-extensions (0.1.4)	311	+ websocket-extensions (0.1.5)
255	xpath (3.2.0)	312	xpath (3.2.0)
256	nokogiri (~> 1.8)	313	nokogiri (~> 1.8)
257	yaml_db (0.7.0)	314	yaml_db (0.7.0)
258	rails (>= 3.0)	315	rails (>= 3.0)
259	rake (>= 0.8.7)	316	rake (>= 0.8.7)
		317	+ zeitwerk (2.5.3)
260		318
261	PLATFORMS	319	PLATFORMS
262	- ruby	320	+ x86_64-linux
263		321
264	DEPENDENCIES	322	DEPENDENCIES
265	ace-rails-ap	323	ace-rails-ap
266	activerecord-session_store	324	activerecord-session_store
267	autoprefixer-rails	325	autoprefixer-rails
268	- best_in_place ~~(~> 3.0.1)~~	326	+ best_in_place!
269	- bootsnap ~~(>= 1.1.0)~~	327	+ bootsnap
270	bootstrap-sass (~> 3.4.1)	328	bootstrap-sass (~> 3.4.1)
271	bootstrap-switch-rails	329	bootstrap-switch-rails
272	bootstrap-toggle-rails	330	bootstrap-toggle-rails
273	bootstrap3-datetimepicker-rails (~> 4.17.47)	331	bootstrap3-datetimepicker-rails (~> 4.17.47)
274	- byebug	332	+ capybara
275	- capybara (>= 2.15)
276	coffee-rails	333	coffee-rails
		334	+ debug
277	dynamic_form	335	dynamic_form
278	fuzzy-string-match	336	fuzzy-string-match
279	haml	337	haml
280	haml-rails	338	haml-rails
281	in_place_editing	339	in_place_editing
282	- jbuilder ~~(~> 2.5)~~	340	+ jbuilder
283	jquery-countdown-rails	341	jquery-countdown-rails
284	jquery-rails	342	jquery-rails
285	jquery-tablesorter	343	jquery-tablesorter
@@ -290,7 +348,7
290	momentjs-rails (>= 2.9.0)	348	momentjs-rails (>= 2.9.0)
291	mysql2	349	mysql2
292	puma	350	puma
293	- rails (~> ~~5.2~~)	351	+ rails (~> 7.0)
294	rails-controller-testing	352	rails-controller-testing
295	rails_bootstrap_sortable	353	rails_bootstrap_sortable
296	rdiscount	354	rdiscount
@@ -301,11 +359,15
301	simple_form	359	simple_form
302	spring	360	spring
303	spring-watcher-listen (~> 2.0.0)	361	spring-watcher-listen (~> 2.0.0)
		362	+ sprockets-rails
304	sqlite3	363	sqlite3
305	uglifier	364	uglifier
306	web-console (>= 3.3.0)	365	web-console (>= 3.3.0)
307	- webdriver	366	+ webdrivers
308	yaml_db	367	yaml_db
309		368
		369	+ RUBY VERSION
		370	+ ruby 3.1.0p0
		371	+
310	BUNDLED WITH	372	BUNDLED WITH
311	- 1.17.2	373	+ 2.3.3

README.rdoc ¶ +18 -4

@@ -45,13 +45,27
45	cafe@grader:~$ sudo apt-get update	45	cafe@grader:~$ sudo apt-get update
46	cafe@grader:~$ sudo apt-get install rvm	46	cafe@grader:~$ sudo apt-get install rvm
47		47
48	- This is very important. You have to logout and login again since RVM change a lots of system.	48	+ We also need to add our user to the rvm group
		49	+
		50	+ sudo usermod -a -G rvm $USER
49		51
50	- If you are using GUI version of Ubuntu, be sure to have Gnome Terminal (or any other terminal you are using) perform login every time. This can be done by mark the check box "Run command as a login shell" in Gnome terminal or by adding --login to bash.	52	+ This is very important.
		53	+ 1. You have to reboot since RVM change a lots of system.
		54	+ 2. If you are using GUI version of Ubuntu, be sure to have Gnome Terminal (or any other terminal you are using) perform login every time. This can be done by mark the check box "Run command as a login shell" in Gnome terminal or by adding --login to bash.
		55	+
		56	+ === 3. Install necessary package and nodejs
51		57
52	- === 3. Install necessary package	58	+ First, we install required package via apt.
		59	+
		60	+ cafe@grader:~$ sudo apt install libmysqlclient-dev default-jdk unzip php-cli apache2 dirmngr gnupg apache2-dev
		61	+
		62	+ Since nodejs that comes with ubuntu 18.04 is very outdated, we need to install it manually. This follow the method outlined in https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-ubuntu-18-04 under Installing Node.js with Apt Using a NodeSource PPA
53		63
54	- cafe@grader:~$ sudo apt install libmysqlclient-dev default-jdk unzip nodejs php-cli apache2 dirmngr gnupg apache2-dev	64	+ cd ~
		65	+ curl -sL https://deb.nodesource.com/setup_17.x -o nodesource_setup.sh
		66	+ sudo bash nodesource_setup.sh
		67	+ sudo apt install nodejs
		68	+
55		69
56	=== 4. Install cafe-grader	70	=== 4. Install cafe-grader
57		71

app/assets/stylesheets/graders.css.scss ¶ +18

@@ -0,0 +1,18
	1	+ table.graders tr {
	2	+ &.active {
	3	+ border: 1px solid black;
	4	+ background: lightgreen;
	5	+ text-align: center;
	6	+ }
	7	+
	8	+ &.inactive {
	9	+ border: 1px solid black;
	10	+ background: #ffcccc;
	11	+ text-align: center;
	12	+ }
	13	+ }
	14	+
	15	+ .submitbox .item {
	16	+ padding-right: 5px;
	17	+ float: left;
	18	+ }

app/assets/stylesheets/problems.css.scss ¶ +15

@@ -0,0 +1,15
	1	+ tr {
	2	+ &.available {
	3	+ background: #c0ffc0;
	4	+ }
	5	+
	6	+ &.not-available {
	7	+ background: #ffc0c0;
	8	+ }
	9	+ }
	10	+
	11	+ .import-log {
	12	+ background: lightgray;
	13	+ border: solid black 1px;
	14	+ padding: 10px;
	15	+ }

bin/rails ¶ +3 -3

@@ -1,4 +1,4
1	#!/usr/bin/env ruby	1	#!/usr/bin/env ruby
2	- APP_PATH = File.expand_path('../config/application', __dir__)	2	+ APP_PATH = File.expand_path("../config/application", __dir__)
3	- require_relative '../config/boot'	3	+ require_relative "../config/boot"
4	- require 'rails/commands'	4	+ require "rails/commands"

bin/rake ¶ +2 -2

               #!/usr/bin/env ruby
-            - require_relative '../config/boot'
+            + require_relative "../config/boot"
-            - require 'rake'
+            + require "rake"
               Rake.application.run

bin/setup ¶ +13 -16

               #!/usr/bin/env ruby
-            - require 'fileutils'
+            + require "fileutils"
-            - include FileUtils
               # path to your application root.
-            - APP_ROOT = File.expand_path('..', __dir__)
+            + APP_ROOT = File.expand_path("..", __dir__)
               def system!(*args)
                 system(*args) || abort("\n== Command #{args} failed ==")
               end
-            - chdir APP_ROOT do
+            + FileUtils.chdir APP_ROOT do
-            -   # This script is a starting point to setup your application.
+            +   # This script is a way to set up or update your development environment automatically.
+            +   # This script is idempotent, so that you can run it at any time and get an expectable outcome.
                 # Add necessary setup steps to this file.
-            -   puts '== Installing dependencies =='
+            +   puts "== Installing dependencies =="
-            -   system! 'gem install bundler --conservative'
+            +   system! "gem install bundler --conservative"
-            -   system('bundle check') || system!('bundle install')
+            +   system("bundle check") || system!("bundle install")
-            -   # Install JavaScript dependencies if using Yarn
-            -   # system('bin/yarn')
                 # puts "\n== Copying sample files =="
-            -   # unless File.exist?('config/database.yml')
+            +   # unless File.exist?("config/database.yml")
-            -   #   cp 'config/database.yml.sample', 'config/database.yml'
+            +   #   FileUtils.cp "config/database.yml.sample", "config/database.yml"
                 # end
                 puts "\n== Preparing database =="
-            -   system! 'bin/rails db:setup'
+            +   system! "bin/rails db:prepare"
                 puts "\n== Removing old logs and tempfiles =="
-            -   system! 'bin/rails log:clear tmp:clear'
+            +   system! "bin/rails log:clear tmp:clear"
                 puts "\n== Restarting application server =="
-            -   system! 'bin/rails restart'
+            +   system! "bin/rails restart"
               end

bin/yarn ¶ +9 -3

@@ -1,9 +1,15
1	#!/usr/bin/env ruby	1	#!/usr/bin/env ruby
2	APP_ROOT = File.expand_path('..', __dir__)	2	APP_ROOT = File.expand_path('..', __dir__)
3	Dir.chdir(APP_ROOT) do	3	Dir.chdir(APP_ROOT) do
4	- begin	4	+ yarn = ENV["PATH"].split(File::PATH_SEPARATOR).
5	- exec "yarnpkg", *ARGV	5	+ select { \|dir\| File.expand_path(dir) != __dir__ }.
6	- rescue Errno::ENOENT	6	+ product(["yarn", "yarn.cmd", "yarn.ps1"]).
		7	+ map { \|dir, file\| File.expand_path(file, dir) }.
		8	+ find { \|file\| File.executable?(file) }
		9	+
		10	+ if yarn
		11	+ exec yarn, *ARGV
		12	+ else
7	$stderr.puts "Yarn executable was not detected in the system."	13	$stderr.puts "Yarn executable was not detected in the system."
8	$stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"	14	$stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
9	exit 1	15	exit 1

config.ru ¶ +4 -2

@@ -1,4 +1,6
1	# This file is used by Rack-based servers to start the application.	1	# This file is used by Rack-based servers to start the application.
2		2
3	- require ::File.expand_path('../config/environment', __FILE__)	3	+ require_relative "config/environment"
4	- run CafeGrader::Application	4	+
		5	+ run Rails.application
		6	+ Rails.application.load_server

config/boot.rb ¶ +3 -3

@@ -1,4 +1,4
1	- ENV['BUNDLE_GEMFILE'] \|\|= File.expand_path(~~'../Gemfile'~~, __dir__)	1	+ ENV["BUNDLE_GEMFILE"] \|\|= File.expand_path("../Gemfile", __dir__)
2		2
3	- require 'bundler/setup' # Set up gems listed in the Gemfile.	3	+ require "bundler/setup" # Set up gems listed in the Gemfile.
4	- require 'bootsnap/setup' # Speed up boot time by caching expensive operations.	4	+ require "bootsnap/setup" # Speed up boot time by caching expensive operations.

config/cable.yml ¶ +1 -1

                 adapter: async
               test:
-            -   adapter: async
+            +   adapter: test
               production:
                 adapter: redis

config/environment.rb ¶ +1 -1

               # Load the Rails application.
-            - require_relative 'application'
+            + require_relative "application"
               # Initialize the Rails application.
               Rails.application.initialize!

config/environments/development.rb ¶ +24 -10

+            + require "active_support/core_ext/integer/time"
+            +
               Rails.application.configure do
                 # Settings specified here will take precedence over those in config/application.rb.
-            -   # In the development environment your application's code is reloaded on
+            +   # In the development environment your application's code is reloaded any time
-            -   # every request. This slows down response time but is perfect for development
+            +   # it changes. This slows down response time but is perfect for development
                 # since you don't have to restart the web server when you make code changes.
                 config.cache_classes = false
                 # Show full error reports.
                 config.consider_all_requests_local = true
+            +   # Enable server timing
+            +   config.server_timing = true
+            +
                 # Enable/disable caching. By default caching is disabled.
                 # Run rails dev:cache to toggle caching.
-            -   if Rails.root.join('tmp', 'caching-dev.txt').exist?
+            +   if Rails.root.join("tmp/caching-dev.txt").exist?
                   config.action_controller.perform_caching = true
+            +     config.action_controller.enable_fragment_cache_logging = true
                   config.cache_store = :memory_store
                   config.public_file_server.headers = {
-            -       'Cache-Control' => "public, max-age=#{2.days.to_i}"
+            +       "Cache-Control" => "public, max-age=#{2.days.to_i}"
                   }
                 else
                   config.action_controller.perform_caching = false
                   config.cache_store = :null_store
                 end
-            -   # Store uploaded files on the local file system (see config/storage.yml for options)
+            +   # Store uploaded files on the local file system (see config/storage.yml for options).
                 config.active_storage.service = :local
                 # Don't care if the mailer can't send.
                 # Print deprecation notices to the Rails logger.
                 config.active_support.deprecation = :log
+            +   # Raise exceptions for disallowed deprecations.
+            +   config.active_support.disallowed_deprecation = :raise
+            +
+            +   # Tell Active Support which deprecation messages to disallow.
+            +   config.active_support.disallowed_deprecation_warnings = []
+            +
                 # Raise an error on page load if there are pending migrations.
                 config.active_record.migration_error = :page_load
                 # Suppress logger output for asset requests.
                 config.assets.quiet = true
-            -   # Raises error for missing translations
+            +   # Raises error for missing translations.
-            -   # config.action_view.raise_on_missing_translations = true
+            +   # config.i18n.raise_on_missing_translations = true
-            -   # Use an evented file watcher to asynchronously detect changes in source code,
+            +   # Annotate rendered view with file names.
-            -   # routes, locales, etc. This feature depends on the listen gem.
+            +   # config.action_view.annotate_rendered_view_with_filenames = true
-            -   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+            +   # Uncomment if you wish to allow Action Cable access from any origin.
+            +   # config.action_cable.disable_request_forgery_protection = true
               end

config/environments/production.rb ¶ +24 -19

+            + require "active_support/core_ext/integer/time"
+            +
               Rails.application.configure do
                 # Settings specified here will take precedence over those in config/application.rb.
                 # Disable serving static files from the `/public` folder by default since
                 # Apache or NGINX already handles this.
-            -   config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+            +   config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
-            -   # Compress JavaScripts and CSS.
+            +   # Compress CSS using a preprocessor.
-            -   config.assets.js_compressor = :uglifier
                 # config.assets.css_compressor = :sass
                 # Do not fallback to assets pipeline if a precompiled asset is missed.
                 config.assets.compile = false
-            -   # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
                 # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-            -   # config.action_controller.asset_host = 'http://assets.example.com'
+            +   # config.asset_host = "http://assets.example.com"
                 # Specifies the header that your server uses for sending files.
-            -   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
+            +   # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for Apache
-            -   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+            +   # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
-            -   # Store uploaded files on the local file system (see config/storage.yml for options)
+            +   # Store uploaded files on the local file system (see config/storage.yml for options).
                 config.active_storage.service = :local
-            -   # Mount Action Cable outside main process or domain
+            +   # Mount Action Cable outside main process or domain.
                 # config.action_cable.mount_path = nil
-            -   # config.action_cable.url = 'wss://example.com/cable'
+            +   # config.action_cable.url = "wss://example.com/cable"
-            -   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
+            +   # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
                 # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
                 # config.force_ssl = true
-            -   # Use the lowest log level to ensure availability of diagnostic information
+            +   # Include generic and useful information about system operation, but avoid logging too much
-            -   # when problems arise.
+            +   # information to avoid inadvertent exposure of personally identifiable information (PII).
-            -   config.log_level = :debug
+            +   config.log_level = :info
                 # Prepend all log lines with the following tags.
                 config.log_tags = [ :request_id ]
                 # Use a different cache store in production.
                 # config.cache_store = :mem_cache_store
-            -   # Use a real queuing backend for Active Job (and separate queues per environment)
+            +   # Use a real queuing backend for Active Job (and separate queues per environment).
                 # config.active_job.queue_adapter     = :resque
-            -   # config.active_job.queue_name_prefix = "cafe_grader_#{Rails.env}"
+            +   # config.active_job.queue_name_prefix = "cafe_grader_production"
                 config.action_mailer.perform_caching = false
                 # Send deprecation notices to registered listeners.
                 config.active_support.deprecation = :notify
+            +   # Log disallowed deprecations.
+            +   config.active_support.disallowed_deprecation = :log
+            +
+            +   # Tell Active Support which deprecation messages to disallow.
+            +   config.active_support.disallowed_deprecation_warnings = []
+            +
                 # Use default logging formatter so that PID and timestamp are not suppressed.
                 config.log_formatter = ::Logger::Formatter.new
                 # Use a different logger for distributed setups.
-            -   # require 'syslog/logger'
+            +   # require "syslog/logger"
-            -   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
+            +   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new "app-name")
                 if ENV["RAILS_LOG_TO_STDOUT"].present?
                   logger           = ActiveSupport::Logger.new(STDOUT)

config/environments/test.rb ¶ +26 -12

+            + require "active_support/core_ext/integer/time"
+            +
+            + # The test environment is used exclusively to run your application's
+            + # test suite. You never need to work with it otherwise. Remember that
+            + # your test database is "scratch space" for the test suite and is wiped
+            + # and recreated between test runs. Don't rely on the data there!
+            +
               Rails.application.configure do
                 # Settings specified here will take precedence over those in config/application.rb.
-            -   # The test environment is used exclusively to run your application's
+            +   # Turn false under Spring and add config.action_view.cache_template_loading = true.
-            -   # test suite. You never need to work with it otherwise. Remember that
-            -   # your test database is "scratch space" for the test suite and is wiped
-            -   # and recreated between test runs. Don't rely on the data there!
                 config.cache_classes = true
-            -   # Do not eager load code on boot. This avoids loading your whole application
+            +   # Eager loading loads your whole application. When running a single test locally,
-            -   # just for the purpose of running a single test. If you are using a tool that
+            +   # this probably isn't necessary. It's a good idea to do in a continuous integration
-            -   # preloads Rails for running tests, you may have to set it to true.
+            +   # system, or in some way before deploying your code.
-            -   config.eager_load = false
+            +   config.eager_load = ENV["CI"].present?
                 # Configure public file server for tests with Cache-Control for performance.
                 config.public_file_server.enabled = true
                 config.public_file_server.headers = {
-            -     'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+            +     "Cache-Control" => "public, max-age=#{1.hour.to_i}"
                 }
                 # Show full error reports and disable caching.
                 config.consider_all_requests_local       = true
                 config.action_controller.perform_caching = false
+            +   config.cache_store = :null_store
                 # Raise exceptions instead of rendering exception templates.
                 config.action_dispatch.show_exceptions = false
                 # Disable request forgery protection in test environment.
                 config.action_controller.allow_forgery_protection = false
-            -   # Store uploaded files on the local file system in a temporary directory
+            +   # Store uploaded files on the local file system in a temporary directory.
                 config.active_storage.service = :test
                 config.action_mailer.perform_caching = false
                 # Print deprecation notices to the stderr.
                 config.active_support.deprecation = :stderr
-            -   # Raises error for missing translations
+            +   # Raise exceptions for disallowed deprecations.
-            -   # config.action_view.raise_on_missing_translations = true
+            +   config.active_support.disallowed_deprecation = :raise
+            +
+            +   # Tell Active Support which deprecation messages to disallow.
+            +   config.active_support.disallowed_deprecation_warnings = []
+            +
+            +   # Raises error for missing translations.
+            +   # config.i18n.raise_on_missing_translations = true
+            +
+            +   # Annotate rendered view with file names.
+            +   # config.action_view.annotate_rendered_view_with_filenames = true
               end

config/initializers/assets.rb ¶ +1 -1

               # Be sure to restart your server when you modify this file.
               # Version of your assets, change this if you want to expire all your assets.
-            - Rails.application.config.assets.version = '1.0'
+            + Rails.application.config.assets.version = "1.0"
               # Add additional assets to the asset load path.
               # Rails.application.config.assets.paths << Emoji.images_path

config/initializers/backtrace_silencers.rb ¶ +4 -3

               # Be sure to restart your server when you modify this file.
               # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
-            - # Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+            + # Rails.backtrace_cleaner.add_silencer { |line| /my_noisy_library/.match?(line) }
-            - # You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
+            + # You can also remove all the silencers if you're trying to debug a problem that might stem from framework code
-            - # Rails.backtrace_cleaner.remove_silencers!
+            + # by setting BACKTRACE=1 before calling your invocation, like "BACKTRACE=1 ./bin/rails runner 'MyClass.perform'".
+            + Rails.backtrace_cleaner.remove_silencers! if ENV["BACKTRACE"]

config/initializers/content_security_policy.rb ¶ +19 -18

@@ -4,22 +4,23
4	# For further information see the following documentation	4	# For further information see the following documentation
5	# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy	5	# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
6		6
7	- # Rails.application.config~~.content_security_policy do \|policy\|~~	7	+ # Rails.application.configure do
8	- # policy.default_src :self, :https	8	+ # config.content_security_policy do \|policy\|
9	- # policy.~~fon~~t_src :self, :https~~, :data~~	9	+ # policy.default_src :self, :https
10	- # policy.~~img_src~~ :self, :https, :data	10	+ # policy.font_src :self, :https, :data
11	- # policy.object_src :none	11	+ # policy.img_src :self, :https, :data
12	- # policy.~~script_src :self, :https~~	12	+ # policy.object_src :none
13	- # policy.st~~yle~~_src :self, :https	13	+ # policy.script_src :self, :https
14	-	14	+ # policy.style_src :self, :https
15	- # # Specify URI for violation reports	15	+ # # Specify URI for violation reports
16	- # # policy.report_uri "/csp-violation-report-endpoint"	16	+ # # policy.report_uri "/csp-violation-report-endpoint"
		17	+ # end
		18	+ #
		19	+ # # Generate session nonces for permitted importmap and inline scripts
		20	+ # config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
		21	+ # config.content_security_policy_nonce_directives = %w(script-src)
		22	+ #
		23	+ # # Report CSP violations to a specified URI. See:
		24	+ # # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
		25	+ # # config.content_security_policy_report_only = true
17	# end	26	# end
18	-
19	- # If you are using UJS then enable automatic nonce generation
20	- # Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
21	-
22	- # Report CSP violations to a specified URI
23	- # For further information see the following documentation:
24	- # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
25	- # Rails.application.config.content_security_policy_report_only = true

config/initializers/filter_parameter_logging.rb ¶ +3 -1

               # Be sure to restart your server when you modify this file.
               # Configure sensitive parameters which will be filtered from the log file.
-            - Rails.application.config.filter_parameters += [:password]
+            + Rails.application.config.filter_parameters += [
+            +   :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
+            + ]

config/initializers/inflections.rb ¶ +4 -4

               # are locale specific, and you may define rules for as many different
               # locales as you wish. All of these examples are active by default:
               # ActiveSupport::Inflector.inflections(:en) do |inflect|
-            - #   inflect.plural /^(ox)$/i, '\1en'
+            + #   inflect.plural /^(ox)$/i, "\\1en"
-            - #   inflect.singular /^(ox)en/i, '\1'
+            + #   inflect.singular /^(ox)en/i, "\\1"
-            - #   inflect.irregular 'person', 'people'
+            + #   inflect.irregular "person", "people"
               #   inflect.uncountable %w( fish sheep )
               # end
               # These inflection rules are supported but not enabled by default:
               # ActiveSupport::Inflector.inflections(:en) do |inflect|
-            - #   inflect.acronym 'RESTful'
+            + #   inflect.acronym "RESTful"
               # end

config/puma.rb ¶ +13 -4

               # the maximum value specified for Puma. Default is set to 5 threads for minimum
               # and maximum; this matches the default thread size of Active Record.
               #
-            - threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
+            + max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
-            - threads threads_count, threads_count
+            + min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+            + threads min_threads_count, max_threads_count
+            +
+            + # Specifies the `worker_timeout` threshold that Puma will use to wait before
+            + # terminating a worker in development environments.
+            + #
+            + worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
               # Specifies the `port` that Puma will listen on to receive requests; default is 3000.
               #
-            - port        ENV.fetch("PORT") { 3000 }
+            + port ENV.fetch("PORT") { 3000 }
               # Specifies the `environment` that Puma will run in.
               #
               environment ENV.fetch("RAILS_ENV") { "development" }
+            + # Specifies the `pidfile` that Puma will use.
+            + pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
+            +
               # Specifies the number of `workers` to boot in clustered mode.
-            - # Workers are forked webserver processes. If using threads and workers together
+            + # Workers are forked web server processes. If using threads and workers together
               # the concurrency of the application would be max `threads` * `workers`.
               # Workers do not work on JRuby or Windows (both of which do not support
               # processes).

config/spring.rb ¶ +6 -6

@@ -1,6 +1,6
1	- %w(	1	+ Spring.watch(
2	- .ruby-version	2	+ ".ruby-version",
3	- .rbenv-vars	3	+ ".rbenv-vars",
4	- tmp/restart.txt	4	+ "tmp/restart.txt",
5	- tmp/caching-dev.txt	5	+ "tmp/caching-dev.txt"
6	- ).each { \|path\| Spring.watch(path) }	6	+ )

db/migrate/001_create_users.rb ¶ +2 -2

-            - class CreateUsers < ActiveRecord::Migration
+            + class CreateUsers < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :users do |t|
+            +     create_table :users, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :login, :string, :limit => 10
                     t.column :full_name, :string
                     t.column :hashed_password, :string

db/migrate/002_create_problems.rb ¶ +2 -2

-            - class CreateProblems < ActiveRecord::Migration
+            + class CreateProblems < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :problems do |t|
+            +     create_table :problems, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :name, :string, :limit => 30
                     t.column :full_name, :string
                     t.column :full_score, :integer

db/migrate/003_create_submissions.rb ¶ +2 -2

-            - class CreateSubmissions < ActiveRecord::Migration
+            + class CreateSubmissions < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :submissions do |t|
+            +     create_table :submissions, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :user_id, :integer
                     t.column :problem_id, :integer
                     t.column :language_id, :integer

db/migrate/004_create_languages.rb ¶ +2 -2

-            - class CreateLanguages < ActiveRecord::Migration
+            + class CreateLanguages < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :languages do |t|
+            +     create_table :languages, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :name, :string, :limit => 10
                     t.column :pretty_name, :string
                   end

db/migrate/005_add_index_to_submissions.rb ¶ +1 -1

-            - class AddIndexToSubmissions < ActiveRecord::Migration
+            + class AddIndexToSubmissions < ActiveRecord::Migration[4.2]
                 def self.up
                   add_index :submissions, [:user_id, :problem_id]
                 end

db/migrate/006_create_roles.rb ¶ +3 -3

-            - class CreateRoles < ActiveRecord::Migration
+            + class CreateRoles < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :roles do |t|
+            +     create_table :roles, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'name', :string
                   end
-            -     create_table :roles_users, :id => false do |t|
+            +     create_table :roles_users, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'role_id', :integer
                     t.column 'user_id', :integer
                   end

db/migrate/007_create_rights.rb ¶ +3 -3

-            - class CreateRights < ActiveRecord::Migration
+            + class CreateRights < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :rights do |t|
+            +     create_table :rights, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'name', :string
                     t.column 'controller', :string
                     t.column 'action', :string
                   end
-            -     create_table :rights_roles, :id => false do |t|
+            +     create_table :rights_roles, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'right_id', :integer
                     t.column 'role_id', :integer
                   end

db/migrate/008_create_tasks.rb ¶ +2 -2

-            - class CreateTasks < ActiveRecord::Migration
+            + class CreateTasks < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :tasks do |t|
+            +     create_table :tasks, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'submission_id', :integer
                     t.column 'created_at', :datetime
                   end

db/migrate/009_add_sessions.rb ¶ +2 -2

-            - class AddSessions < ActiveRecord::Migration
+            + class AddSessions < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :sessions do |t|
+            +     create_table :sessions, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :session_id, :string
                     t.column :data, :text
                     t.column :updated_at, :datetime

db/migrate/011_add_language_ext.rb ¶ +1 -1

-            - class AddLanguageExt < ActiveRecord::Migration
+            + class AddLanguageExt < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :languages, :ext, :string, :limit => 10

db/migrate/012_add_email_to_users.rb ¶ +1 -1

-            - class AddEmailToUsers < ActiveRecord::Migration
+            + class AddEmailToUsers < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :users, :email, :string
                 end

db/migrate/013_add_url_to_problem.rb ¶ +1 -1

-            - class AddUrlToProblem < ActiveRecord::Migration
+            + class AddUrlToProblem < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :problems, :url, :string
                 end

db/migrate/014_create_grader_processes.rb ¶ +2 -2

-            - class CreateGraderProcesses < ActiveRecord::Migration
+            + class CreateGraderProcesses < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :grader_processes do |t|
+            +     create_table :grader_processes, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :ip, :string, :limit => 20
                     t.column :pid, :integer
                     t.column :mode, :string

db/migrate/015_add_status_to_tasks.rb ¶ +1 -1

-            - class AddStatusToTasks < ActiveRecord::Migration
+            + class AddStatusToTasks < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :tasks, :status, :integer
                   add_column :tasks, :updated_at, :datetime

db/migrate/016_add_task_to_grader_process.rb ¶ +1 -1

-            - class AddTaskToGraderProcess < ActiveRecord::Migration
+            + class AddTaskToGraderProcess < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :grader_processes, :task_id, :integer
                 end

db/migrate/017_rename_grader_process_column_ip_to_host.rb ¶ +1 -1

-            - class RenameGraderProcessColumnIpToHost < ActiveRecord::Migration
+            + class RenameGraderProcessColumnIpToHost < ActiveRecord::Migration[4.2]
                 def self.up
                   rename_column :grader_processes, :ip, :host
                 end

db/migrate/018_add_number_to_submissions.rb ¶ +1 -1

-            - class AddNumberToSubmissions < ActiveRecord::Migration
+            + class AddNumberToSubmissions < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :submissions, :number, :integer

db/migrate/019_create_test_requests.rb ¶ +2 -3

-            - class CreateTestRequests < ActiveRecord::Migration
+            + class CreateTestRequests < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :test_requests do |t|
+            +     create_table :test_requests, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :user_id, :integer
                     t.column :problem_id, :integer
                     t.column :submission_id, :integer
                     # these are similar to tasks
                     t.column :status, :integer
-            -       t.column :updated_at, :datetime
                     # these are intentionally similar to submissions
                     t.column :submitted_at, :datetime

db/migrate/021_change_compiler_message_type_test_request.rb ¶ +1 -1

-            - class ChangeCompilerMessageTypeTestRequest < ActiveRecord::Migration
+            + class ChangeCompilerMessageTypeTestRequest < ActiveRecord::Migration[4.2]
                 def self.up
                   change_column :test_requests, :compiler_message, :text
                 end

db/migrate/022_create_configurations.rb ¶ +2 -2

-            - class CreateConfigurations < ActiveRecord::Migration
+            + class CreateConfigurations < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :configurations do |t|
+            +     create_table :configurations, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :key, :string
                     t.column :value_type, :string
                     t.column :value, :string

db/migrate/023_add_runstat_columns_to_test_request.rb ¶ +1 -1

-            - class AddRunstatColumnsToTestRequest < ActiveRecord::Migration
+            + class AddRunstatColumnsToTestRequest < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :test_requests, :running_time, :float
                   add_column :test_requests, :exit_status, :string

db/migrate/024_create_sites.rb ¶ +2 -2

-            - class CreateSites < ActiveRecord::Migration
+            + class CreateSites < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :sites do |t|
+            +     create_table :sites, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :name
                     t.boolean :started
                     t.datetime :start_time

db/migrate/025_add_site_to_user_and_add_default_site.rb ¶ +1 -1

-            - class AddSiteToUserAndAddDefaultSite < ActiveRecord::Migration
+            + class AddSiteToUserAndAddDefaultSite < ActiveRecord::Migration[4.2]
                 def self.up
                   default_site = Site.new({:name => 'default',
                                             :started => false})

db/migrate/026_add_body_to_problems.rb ¶ +1 -1

-            - class AddBodyToProblems < ActiveRecord::Migration
+            + class AddBodyToProblems < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :problems, :body, :text
                 end

db/migrate/027_create_descriptions.rb ¶ +2 -2

-            - class CreateDescriptions < ActiveRecord::Migration
+            + class CreateDescriptions < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :descriptions do |t|
+            +     create_table :descriptions, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :body, :text
                     t.column :markdowned, :boolean
                     t.timestamps

db/migrate/028_refactor_problem_body_to_description.rb ¶ +1 -1

-            - class RefactorProblemBodyToDescription < ActiveRecord::Migration
+            + class RefactorProblemBodyToDescription < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :problems, :description_id, :integer
                   Problem.reset_column_information

db/migrate/029_add_test_allowed_to_problems.rb ¶ +1 -1

-            - class AddTestAllowedToProblems < ActiveRecord::Migration
+            + class AddTestAllowedToProblems < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :problems, :test_allowed, :boolean
                   Problem.reset_column_information

db/migrate/030_create_announcements.rb ¶ +2 -2

-            - class CreateAnnouncements < ActiveRecord::Migration
+            + class CreateAnnouncements < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :announcements do |t|
+            +     create_table :announcements, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :author
                     t.text :body
                     t.boolean :published

db/migrate/031_add_supports_for_output_only_problems.rb ¶ +1 -1

-            - class AddSupportsForOutputOnlyProblems < ActiveRecord::Migration
+            + class AddSupportsForOutputOnlyProblems < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :submissions, :source_filename, :string
                   add_column :problems, :output_only, :boolean

db/migrate/032_create_messages.rb ¶ +2 -2

-            - class CreateMessages < ActiveRecord::Migration
+            + class CreateMessages < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :messages do |t|
+            +     create_table :messages, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column "sender_id", :integer
                     t.column "receiver_id", :integer
                     t.column "replying_message_id", :integer

db/migrate/033_add_task_type_to_grader_processes.rb ¶ +1 -1

-            - class AddTaskTypeToGraderProcesses < ActiveRecord::Migration
+            + class AddTaskTypeToGraderProcesses < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column 'grader_processes', 'task_type', :string
                 end

db/migrate/034_create_countries.rb ¶ +2 -2

-            - class CreateCountries < ActiveRecord::Migration
+            + class CreateCountries < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :countries do |t|
+            +     create_table :countries, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column :name, :string
                     t.timestamps
                   end

db/migrate/035_add_country_to_sites_and_users.rb ¶ +1 -1

-            - class AddCountryToSitesAndUsers < ActiveRecord::Migration
+            + class AddCountryToSitesAndUsers < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column 'sites', 'country_id', :integer
                   add_column 'sites', 'password', :string

db/migrate/20081107145815_add_frontpage_flag_to_announcement.rb ¶ +1 -1

-            - class AddFrontpageFlagToAnnouncement < ActiveRecord::Migration
+            + class AddFrontpageFlagToAnnouncement < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :announcements, "frontpage", :boolean, :default => 0
                 end

db/migrate/20081204122651_add_activated_to_users.rb ¶ +1 -1

-            - class AddActivatedToUsers < ActiveRecord::Migration
+            + class AddActivatedToUsers < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :users, :activated, :boolean, :default => 0

db/migrate/20081210021333_add_timestamps_to_users.rb ¶ +1 -1

-            - class AddTimestampsToUsers < ActiveRecord::Migration
+            + class AddTimestampsToUsers < ActiveRecord::Migration[4.2]
                 def self.up
                   add_timestamps :users
                 end

db/migrate/20081215012843_change_user_login_string_limit.rb ¶ +1 -1

-            - class ChangeUserLoginStringLimit < ActiveRecord::Migration
+            + class ChangeUserLoginStringLimit < ActiveRecord::Migration[4.2]
                 def self.up
                   execute "ALTER TABLE `users` CHANGE `login` `login` VARCHAR( 50 )"
                 end

db/migrate/20090206145016_add_contest_flag_to_announcements.rb ¶ +1 -1

-            - class AddContestFlagToAnnouncements < ActiveRecord::Migration
+            + class AddContestFlagToAnnouncements < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :announcements, :contest_only, :boolean, :default => false
                 end

db/migrate/20090416235658_add_common_ext_to_languages.rb ¶ +1 -1

-            - class AddCommonExtToLanguages < ActiveRecord::Migration
+            + class AddCommonExtToLanguages < ActiveRecord::Migration[4.2]
                 def self.up
                   # language.common_ext is a comma-separated list of common file
                   # extensions.

db/migrate/20090426131044_add_terminated_to_grader_processes.rb ¶ +1 -1

-            - class AddTerminatedToGraderProcesses < ActiveRecord::Migration
+            + class AddTerminatedToGraderProcesses < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :grader_processes, :terminated, :boolean
                 end

db/migrate/20090815171610_add_title_to_announcements.rb ¶ +1 -1

-            - class AddTitleToAnnouncements < ActiveRecord::Migration
+            + class AddTitleToAnnouncements < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :announcements, :title, :string
                 end

db/migrate/20100113094740_create_test_pairs.rb ¶ +2 -2

-            - class CreateTestPairs < ActiveRecord::Migration
+            + class CreateTestPairs < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :test_pairs do |t|
+            +     create_table :test_pairs, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.integer :problem_id
                     t.text :input
                     t.text :solution

db/migrate/20100124040107_add_description_to_config.rb ¶ +1 -1

-            - class AddDescriptionToConfig < ActiveRecord::Migration
+            + class AddDescriptionToConfig < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :configurations, :description, :text
                 end

db/migrate/20100124054458_create_user_contest_stats.rb ¶ +2 -2

-            - class CreateUserContestStats < ActiveRecord::Migration
+            + class CreateUserContestStats < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :user_contest_stats do |t|
+            +     create_table :user_contest_stats, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.integer :user_id
                     t.timestamp :started_at

db/migrate/20100129041917_change_input_solution_field_limit_in_test_pair.rb ¶ +1 -1

-            - class ChangeInputSolutionFieldLimitInTestPair < ActiveRecord::Migration
+            + class ChangeInputSolutionFieldLimitInTestPair < ActiveRecord::Migration[4.2]
                 def self.up
                   change_column :test_pairs, :input, :text, :limit => 1.megabytes
                   change_column :test_pairs, :solution, :text, :limit => 1.megabytes

db/migrate/20100216105730_create_contests.rb ¶ +2 -2

-            - class CreateContests < ActiveRecord::Migration
+            + class CreateContests < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :contests do |t|
+            +     create_table :contests, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :title
                     t.boolean :enabled

db/migrate/20100216162324_create_contests_users_join_table.rb ¶ +2 -2

-            - class CreateContestsUsersJoinTable < ActiveRecord::Migration
+            + class CreateContestsUsersJoinTable < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :contests_users, :id => false do |t|
+            +     create_table :contests_users, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.integer :contest_id
                     t.integer :user_id
                   end

db/migrate/20100216162940_create_contests_problems_join_table.rb ¶ +2 -2

-            - class CreateContestsProblemsJoinTable < ActiveRecord::Migration
+            + class CreateContestsProblemsJoinTable < ActiveRecord::Migration[4.2]
                 def self.up
-            -     create_table :contests_problems, :id => false do |t|
+            +     create_table :contests_problems, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.integer :contest_id
                     t.integer :problem_id
                   end

db/migrate/20100219014840_add_description_filename_to_problems.rb ¶ +1 -1

-            - class AddDescriptionFilenameToProblems < ActiveRecord::Migration
+            + class AddDescriptionFilenameToProblems < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :problems, :description_filename, :string
                 end

db/migrate/20100303095700_add_name_to_contests.rb ¶ +1 -1

-            - class AddNameToContests < ActiveRecord::Migration
+            + class AddNameToContests < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :contests, :name, :string
                 end

db/migrate/20100328123325_add_forced_logout_to_user_contest_stat.rb ¶ +1 -1

-            - class AddForcedLogoutToUserContestStat < ActiveRecord::Migration
+            + class AddForcedLogoutToUserContestStat < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :user_contest_stats, :forced_logout, :boolean
                 end

db/migrate/20100506163112_add_notes_to_announcements.rb ¶ +1 -1

-            - class AddNotesToAnnouncements < ActiveRecord::Migration
+            + class AddNotesToAnnouncements < ActiveRecord::Migration[4.2]
                 def self.up
                   add_column :announcements, :notes, :string
                 end

db/migrate/20121001033508_rename_configurations_to_grader_configurations.rb ¶ +1 -1

-            - class RenameConfigurationsToGraderConfigurations < ActiveRecord::Migration
+            + class RenameConfigurationsToGraderConfigurations < ActiveRecord::Migration[4.2]
                 def change
                   rename_table 'configurations', 'grader_configurations'
                 end

db/migrate/20140823031747_add_more_detail_to_submission.rb ¶ +1 -1

-            - class AddMoreDetailToSubmission < ActiveRecord::Migration
+            + class AddMoreDetailToSubmission < ActiveRecord::Migration[4.2]
                 def change
                   add_column :submissions, :max_runtime, :float
                   add_column :submissions, :peak_memory, :integer

db/migrate/20140826095949_create_logins.rb ¶ +2 -2

-            - class CreateLogins < ActiveRecord::Migration
+            + class CreateLogins < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :logins do |t|
+            +     create_table :logins, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :user_id
                     t.string :ip_address

db/migrate/20140913060729_add_section_to_users.rb ¶ +1 -1

-            - class AddSectionToUsers < ActiveRecord::Migration
+            + class AddSectionToUsers < ActiveRecord::Migration[4.2]
                 def change
                   add_column :users, :section, :string
                 end

db/migrate/20140917150629_add_ip_to_submissions.rb ¶ +1 -1

-            - class AddIpToSubmissions < ActiveRecord::Migration
+            + class AddIpToSubmissions < ActiveRecord::Migration[4.2]
                 def change
                   add_column :submissions, :ip_address, :string
                 end

db/migrate/20150203153534_add_more_to_users.rb ¶ +1 -1

-            - class AddMoreToUsers < ActiveRecord::Migration
+            + class AddMoreToUsers < ActiveRecord::Migration[4.2]
                 def change
                   add_column :users, :enabled, :boolean, default: 1
                   add_column :users, :remark, :string

db/migrate/20150503164846_change_userid_on_login.rb ¶ +1 -1

-            - class ChangeUseridOnLogin < ActiveRecord::Migration
+            + class ChangeUseridOnLogin < ActiveRecord::Migration[4.2]
                 def up
                   change_column :logins, :user_id, :integer
                 end

db/migrate/20150827131927_create_submission_view_logs.rb ¶ +2 -2

-            - class CreateSubmissionViewLogs < ActiveRecord::Migration
+            + class CreateSubmissionViewLogs < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :submission_view_logs do |t|
+            +     create_table :submission_view_logs, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.integer :user_id
                     t.integer :submission_id

db/migrate/20150827133841_add_last_ip_to_user.rb ¶ +1 -1

-            - class AddLastIpToUser < ActiveRecord::Migration
+            + class AddLastIpToUser < ActiveRecord::Migration[4.2]
                 def change
                   add_column :users, :last_ip, :string
                 end

db/migrate/20150914090545_create_heart_beats.rb ¶ +2 -2

-            - class CreateHeartBeats < ActiveRecord::Migration
+            + class CreateHeartBeats < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :heart_beats do |t|
+            +     create_table :heart_beats, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.column 'user_id',:integer
                     t.column 'ip_address',:string

db/migrate/20150914155101_add_status_to_heart_beat.rb ¶ +1 -1

-            - class AddStatusToHeartBeat < ActiveRecord::Migration
+            + class AddStatusToHeartBeat < ActiveRecord::Migration[4.2]
                 def change
                   add_column :heart_beats, :status, :string
                 end

db/migrate/20150914223258_add_more_config.rb ¶ +1 -1

-            - class AddMoreConfig < ActiveRecord::Migration
+            + class AddMoreConfig < ActiveRecord::Migration[4.2]
                 def up
                   GraderConfiguration.create key: 'right.bypass_agreement', value_type: 'boolean', value:'true', description:'When false, a check box to accept license agreement appear at login and the user must click accept'
                 end

db/migrate/20150916054105_update_heart_beat.rb ¶ +1 -1

-            - class UpdateHeartBeat < ActiveRecord::Migration
+            + class UpdateHeartBeat < ActiveRecord::Migration[4.2]
                 def up
                   GraderConfiguration.create key: 'right.heartbeat_response', value_type: 'string', value:'OK', description:'Heart beat response text'
                   add_index :heart_beats, :updated_at

db/migrate/20161008050135_modify_grader_process.rb ¶ +1 -1

-            - class ModifyGraderProcess < ActiveRecord::Migration
+            + class ModifyGraderProcess < ActiveRecord::Migration[4.2]
                 def up
                   change_column :grader_processes, :host, :string
                 end

db/migrate/20161014091417_create_testcases.rb ¶ +2 -2

-            - class CreateTestcases < ActiveRecord::Migration
+            + class CreateTestcases < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :testcases do |t|
+            +     create_table :testcases, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.references :problem
                     t.integer :num
                     t.integer :group

db/migrate/20161031063337_add_config_view_test.rb ¶ +1 -1

-            - class AddConfigViewTest < ActiveRecord::Migration
+            + class AddConfigViewTest < ActiveRecord::Migration[4.2]
                 def up
                   GraderConfiguration.create key: 'right.view_testcase', value_type: 'boolean', value:'true', description:'When true, any user can view/download test data'
                   #uglily and dirtily and shamelessly check other config and inifialize

db/migrate/20170123162543_change_testcase_size.rb ¶ +1 -1

-            - class ChangeTestcaseSize < ActiveRecord::Migration
+            + class ChangeTestcaseSize < ActiveRecord::Migration[4.2]
                 def change
                   change_column :testcases, :input, :text, :limit => 4294967295
                   change_column :testcases, :sol, :text, :limit => 4294967295

db/migrate/20170124024527_add_view_testcase_to_problem.rb ¶ +1 -1

-            - class AddViewTestcaseToProblem < ActiveRecord::Migration
+            + class AddViewTestcaseToProblem < ActiveRecord::Migration[4.2]
                 def change
                   add_column :problems, :view_testcase, :bool
                 end

db/migrate/20170310110146_add_index_to_task.rb ¶ +1 -1

-            - class AddIndexToTask < ActiveRecord::Migration
+            + class AddIndexToTask < ActiveRecord::Migration[4.2]
                 def change
                   add_index :tasks, :submission_id
                 end

db/migrate/20170427070345_add_heart_beat_full.rb ¶ +1 -1

-            - class AddHeartBeatFull < ActiveRecord::Migration
+            + class AddHeartBeatFull < ActiveRecord::Migration[4.2]
                 def up
                   GraderConfiguration.create key: 'right.heartbeat_response_full', value_type: 'string', value:'RESTART', description:'Heart beat response text when user got full score (set this value to the empty string to disable this feature)'
                 end

db/migrate/20170911091143_create_groups.rb ¶ +4 -4

-            - class CreateGroups < ActiveRecord::Migration
+            + class CreateGroups < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :groups do |t|
+            +     create_table :groups, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :name
                     t.string :description
                   end
-            -     create_join_table :groups, :users do |t|
+            +     create_join_table :groups, :users, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     # t.index [:group_id, :user_id]
                     t.index [:user_id, :group_id]
                   end
-            -     create_join_table :problems, :groups do |t|
+            +     create_join_table :problems, :groups, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     # t.index [:problem_id, :group_id]
                     t.index [:group_id, :problem_id]
                   end

db/migrate/20170914150545_create_tags.rb ¶ +2 -2

-            - class CreateTags < ActiveRecord::Migration
+            + class CreateTags < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :tags do |t|
+            +     create_table :tags, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.string :name, null: false
                     t.text :description
                     t.boolean :public

db/migrate/20170914150742_create_problem_tags.rb ¶ +2 -2

-            - class CreateProblemTags < ActiveRecord::Migration
+            + class CreateProblemTags < ActiveRecord::Migration[4.2]
                 def change
-            -     create_table :problems_tags do |t|
+            +     create_table :problems_tags, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t|
                     t.references :problem, index: true, foreign_key: true
                     t.references :tag, index: true, foreign_key: true

app/assets/stylesheets/graders.css removed ¶ -17

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app/assets/stylesheets/problems.css removed ¶ -14

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script/about removed ¶ -3

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script/spec removed ¶ -10

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script/spec_server removed ¶ -102

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spec/models/testcases_spec.rb removed ¶ -5

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stories/all.rb removed ¶ -4

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stories/helper.rb removed ¶ -3

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r824:feb677289536 - Mon, 24 Jan 2022 11:10:22 - 129 files changed: 862 inserted, 606 deleted

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r824:feb677289536 - Mon, 24 Jan 2022 11:10:22 - 129 files changed: 862 inserted, 606 deleted

Commit `r824:feb677289536` public