diff options
Diffstat (limited to 'config/initializers/0_duplicate_migrations.rb')
| -rw-r--r-- | config/initializers/0_duplicate_migrations.rb | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/config/initializers/0_duplicate_migrations.rb b/config/initializers/0_duplicate_migrations.rb index 6c45e4bd2..1b8b59025 100644 --- a/config/initializers/0_duplicate_migrations.rb +++ b/config/initializers/0_duplicate_migrations.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + # Some migrations have been present in glitch-soc for a long time and have then # been merged in upstream Mastodon, under a different version number. # @@ -12,24 +14,26 @@ # we decided monkey-patching Rails' Migrator to completely ignore the duplicate, # keeping only the one that has run, or an arbitrary one. -ALLOWED_DUPLICATES = [20180410220657, 20180831171112].freeze +ALLOWED_DUPLICATES = [2018_04_10_220657, 2018_08_31_171112].freeze module ActiveRecord class Migrator def self.new(direction, migrations, schema_migration, target_version = nil) migrated = Set.new(Base.connection.migration_context.get_all_versions) - migrations.group_by(&:name).each do |name, duplicates| - if duplicates.length > 1 && duplicates.all? { |m| ALLOWED_DUPLICATES.include?(m.version) } - # We have a set of allowed duplicates. Keep the migrated one, if any. - non_migrated = duplicates.reject { |m| migrated.include?(m.version.to_i) } + migrations.group_by(&:name).each do |_name, duplicates| + next unless duplicates.length > 1 && duplicates.all? { |m| ALLOWED_DUPLICATES.include?(m.version) } + + # We have a set of allowed duplicates. Keep the migrated one, if any. + non_migrated = duplicates.reject { |m| migrated.include?(m.version.to_i) } - if duplicates.length == non_migrated.length || non_migrated.length == 0 + migrations = begin + if duplicates.length == non_migrated.length || non_migrated.empty? # There weren't any migrated one, so we have to pick one “canonical” migration - migrations = migrations - duplicates[1..-1] + migrations - duplicates[1..] else # Just reject every duplicate which hasn't been migrated yet - migrations = migrations - non_migrated + migrations - non_migrated end end end @@ -43,10 +47,10 @@ module ActiveRecord # A set of duplicated migrations is considered migrated if at least one of # them is migrated. migrated = get_all_versions - migrations.group_by(&:name).each do |name, duplicates| + migrations.group_by(&:name).each do |_name, duplicates| return true unless duplicates.any? { |m| migrated.include?(m.version.to_i) } end - return false + false end end end |