Add sequel:rollback_archived_migrations rake task (#34)

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:12
+        image: postgres:14
         env:
           POSTGRES_USER: root
           POSTGRES_HOST_AUTH_METHOD: trust
@@ -30,12 +30,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.7", "3.0", "3.1"]
+        ruby: ["2.7", "3.0", "3.1", "3.2"]
 
     name: ${{ matrix.ruby }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - uses: ruby/setup-ruby@v1
       with:
@@ -58,7 +58,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
 
       - uses: umbrellio/publish-ruby-gem-action@v1.0.4
         with:

Gemfile

@@ -3,3 +3,12 @@
 source "https://rubygems.org"
 
 gemspec
+
+gem "money"
+gem "pg"
+gem "pry"
+gem "rake"
+gem "rspec"
+gem "rubocop-config-umbrellio"
+gem "simplecov"
+gem "simplecov-lcov"

Gemfile.lock

@@ -1,106 +1,110 @@
 PATH
   remote: .
   specs:
-    umbrellio-sequel-plugins (0.11.0)
+    umbrellio-sequel-plugins (0.12.0)
       sequel
       symbiont-ruby
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.4)
+    activesupport (7.0.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     ast (2.4.2)
     coderay (1.1.3)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     diff-lcs (1.5.0)
     docile (1.4.0)
-    i18n (1.12.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    json (2.6.2)
+    json (2.6.3)
     method_source (1.0.0)
-    minitest (5.16.3)
+    minitest (5.18.1)
     money (6.16.0)
       i18n (>= 0.6.4, <= 2)
-    parallel (1.22.1)
-    parser (3.1.2.1)
+    parallel (1.23.0)
+    parser (3.2.2.3)
       ast (~> 2.4.1)
-    pg (1.4.3)
-    pry (0.14.1)
+      racc
+    pg (1.5.3)
+    pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (3.0.0)
+    racc (1.7.1)
+    rack (3.0.8)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.6.0)
+    regexp_parser (2.8.1)
     rexml (3.2.5)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.1)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-mocks (3.11.1)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.5)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-support (3.11.1)
-    rubocop (1.35.1)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.1)
+    rubocop (1.50.2)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.2.1)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.20.1, < 2.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.21.0)
-      parser (>= 3.1.1.0)
-    rubocop-config-umbrellio (1.35.0.69)
-      rubocop (~> 1.35.0)
-      rubocop-performance (~> 1.14.0)
-      rubocop-rails (~> 2.15.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.29.0)
+      parser (>= 3.2.1.0)
+    rubocop-capybara (2.18.0)
+      rubocop (~> 1.41)
+    rubocop-config-umbrellio (1.50.0.85)
+      rubocop (~> 1.50.0)
+      rubocop-performance (~> 1.17.0)
+      rubocop-rails (~> 2.19.0)
       rubocop-rake (~> 0.6.0)
-      rubocop-rspec (~> 2.12.0)
+      rubocop-rspec (~> 2.20.0)
       rubocop-sequel (~> 0.3.3)
-    rubocop-performance (1.14.3)
+    rubocop-performance (1.17.1)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.15.2)
+    rubocop-rails (2.19.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 1.7.0, < 2.0)
+      rubocop (>= 1.33.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.12.1)
-      rubocop (~> 1.31)
+    rubocop-rspec (2.20.0)
+      rubocop (~> 1.33)
+      rubocop-capybara (~> 2.17)
     rubocop-sequel (0.3.4)
       rubocop (~> 1.0)
-    ruby-progressbar (1.11.0)
-    sequel (5.61.0)
-    simplecov (0.21.2)
+    ruby-progressbar (1.13.0)
+    sequel (5.70.0)
+    simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
     symbiont-ruby (0.7.0)
-    tzinfo (2.0.5)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.3.0)
+    unicode-display_width (2.4.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler
   money
   pg
   pry
@@ -112,4 +116,4 @@ DEPENDENCIES
   umbrellio-sequel-plugins!
 
 BUNDLED WITH
-   2.3.23
+   2.4.15

lib/tasks/sequel/rollback_archived_migrations.rake

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require "sequel/timestamp_migrator_undo_extension"
+
+namespace :sequel do
+  desc "Rollback migrations that were applied earlier but are not present in current release"
+  task rollback_archived_migrations: :environment do
+    DB.log_info("Finding applied migrations not present in current release...")
+
+    archive_path = Pathname.new(ENV.fetch("ARCHIVE_PATH")).expand_path.join("db/migrate")
+    migrator = Sequel::TimestampMigrator.new(DB, archive_path, allow_missing_migration_files: true)
+
+    applied_migrations = migrator.applied_migrations.map(&:to_i)
+    filesystem_migrations = Rails.root.glob("db/migrate/*.rb").map { |x| File.basename(x).to_i }
+    missing_migrations = applied_migrations - filesystem_migrations
+
+    if missing_migrations.any?
+      missing_migrations.each do |migration|
+        DB.log_info("Rolling back migration #{migration}...")
+        migrator.undo(migration)
+      end
+    else
+      DB.log_info("No migrations found")
+    end
+  end
+end

lib/tasks/sequel/rollback_missing_migrations.rake

@@ -3,23 +3,22 @@
 require "sequel/timestamp_migrator_undo_extension"
 
 namespace :sequel do
-  # Rollback migrations that are absent in revision when deploying on staging
+  desc "Rollback migrations that are absent in revision when deploying on staging"
   task rollback_missing_migrations: :environment do
-    # Extract migrations
-    def extract_migrations(path)
+    extract_migrations = lambda do |path|
       Dir.glob("#{path}/db/migrate/*.rb").map { |filename| File.basename(filename).to_i }
     end
 
-    old_migrations = extract_migrations(ENV.fetch("OLD_RELEASE"))
-    new_migrations = extract_migrations(ENV.fetch("NEW_RELEASE"))
+    old_migrations = extract_migrations.call(ENV.fetch("OLD_RELEASE"))
+    new_migrations = extract_migrations.call(ENV.fetch("NEW_RELEASE"))
     migrations_to_rollback = old_migrations - new_migrations
 
     next if migrations_to_rollback.empty?
 
     puts "Rolling back migrations:"
     puts migrations_to_rollback
 
-    path = ::Rails.root.join("db/migrate")
+    path = Rails.root.join("db/migrate")
     migrator = Sequel::TimestampMigrator.new(DB, path, allow_missing_migration_files: true)
     applied_migrations = migrator.applied_migrations.map(&:to_i)
     migrations = applied_migrations.select { |m| m.in?(migrations_to_rollback) }.sort.reverse

lib/tasks/sequel/undo.rake

@@ -3,12 +3,12 @@
 require "sequel/timestamp_migrator_undo_extension"
 
 namespace :sequel do
-  # Rollback a specific migration
+  desc "Rollback a specific migration"
   task undo: :environment do
-    version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
+    version = ENV["VERSION"]&.to_i
     raise "VERSION is required" unless version
 
-    path = ::Rails.root.join("db/migrate")
+    path = Rails.root.join("db/migrate")
     migrator = Sequel::TimestampMigrator.new(DB, path, allow_missing_migration_files: true)
     migrator.undo(version)
   end

spec/extensions/methods_in_migrations_spec.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 def outer_method(direction)
-  ::INTERCEPTOR << "outer_#{direction}"
+  INTERCEPTOR << "outer_#{direction}"
 end
 
 RSpec.describe "methods_in_migrations" do

umbrellio-sequel-plugins.gemspec

@@ -4,7 +4,7 @@ lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
-  gem_version = "0.11.0"
+  gem_version = "0.12.0"
 
   if ENV.fetch("PUBLISH_JOB", nil)
     release_version = "#{gem_version}.#{ENV.fetch("GITHUB_RUN_NUMBER")}"
@@ -26,14 +26,4 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency "sequel"
   spec.add_runtime_dependency "symbiont-ruby"
-
-  spec.add_development_dependency "bundler"
-  spec.add_development_dependency "money"
-  spec.add_development_dependency "pg"
-  spec.add_development_dependency "pry"
-  spec.add_development_dependency "rake"
-  spec.add_development_dependency "rspec"
-  spec.add_development_dependency "rubocop-config-umbrellio"
-  spec.add_development_dependency "simplecov"
-  spec.add_development_dependency "simplecov-lcov"
 end