Sha256: e24dd42675d1457cd0b3281eddda8c89e3f01232dc250ff90bfeee24218d8e9e
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Size: 1.15 KB
Versions: 8
Compression:
Stored size: 1.15 KB
Contents
# 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...")
Dir.mktmpdir do |tmpdir|
DB[:schema_migrations_sources].each do |migration|
path = File.join(tmpdir, migration.fetch(:filename))
File.write(path, migration.fetch(:source))
end
migrator = Sequel::TimestampMigrator.new(DB, tmpdir, 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")
"No migrations found"
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems