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# frozen_string_literal: true
module Gitlab
module Database
class SchemaVersionFiles
SCHEMA_DIRECTORY = 'db/schema_migrations'
MIGRATION_DIRECTORIES = %w[db/migrate db/post_migrate].freeze
MIGRATION_VERSION_GLOB = '20[0-9][0-9]*'
def self.touch_all(versions_from_database)
versions_from_migration_files = find_versions_from_migration_files
version_filepaths = find_version_filenames.map { |f| schema_directory.join(f) }
FileUtils.rm(version_filepaths)
versions_to_create = versions_from_database & versions_from_migration_files
versions_to_create.each do |version|
version_filepath = schema_directory.join(version)
File.open(version_filepath, 'w') do |file|
file << Digest::SHA256.hexdigest(version)
end
end
end
def self.load_all
version_filenames = find_version_filenames
return if version_filenames.empty?
values = version_filenames.map { |vf| "('#{connection.quote_string(vf)}')" }
connection.execute(<<~SQL)
INSERT INTO schema_migrations (version)
VALUES #{values.join(',')}
ON CONFLICT DO NOTHING
SQL
end
def self.schema_directory
@schema_directory ||= Rails.root.join(SCHEMA_DIRECTORY)
end
def self.migration_directories
@migration_directories ||= MIGRATION_DIRECTORIES.map { |dir| Rails.root.join(dir) }
end
def self.find_version_filenames
Dir.glob(MIGRATION_VERSION_GLOB, base: schema_directory)
end
def self.find_versions_from_migration_files
migration_directories.each_with_object([]) do |directory, migration_versions|
directory_migrations = Dir.glob(MIGRATION_VERSION_GLOB, base: directory)
directory_versions = directory_migrations.map! { |m| m.split('_').first }
migration_versions.concat(directory_versions)
end
end
def self.connection
ActiveRecord::Base.connection
end
end
end
end
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