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# frozen_string_literal: true
# The purpose of this code is to transform legacy `database.yml`
# into a `database.yml` containing `main:` as a name of a first database
#
# This should be removed once all places using legacy `database.yml`
# are fixed. The likely moment to remove this check is the %14.0.
#
# This converts the following syntax:
#
# production:
# adapter: postgresql
# database: gitlabhq_production
# username: git
# password: "secure password"
# host: localhost
#
# Into:
#
# production:
# main:
# adapter: postgresql
# database: gitlabhq_production
# username: git
# password: "secure password"
# host: localhost
#
module Gitlab
module Patch
module LegacyDatabaseConfig
extend ActiveSupport::Concern
prepended do
attr_reader :uses_legacy_database_config
end
def database_configuration
@uses_legacy_database_config = false # rubocop:disable Gitlab/ModuleWithInstanceVariables
super.to_h do |env, configs|
# This check is taken from Rails where the transformation
# of a flat database.yml is done into `primary:`
# https://github.com/rails/rails/blob/v6.1.4/activerecord/lib/active_record/database_configurations.rb#L169
if configs.is_a?(Hash) && !configs.all? { |_, v| v.is_a?(Hash) }
configs = { "main" => configs }
@uses_legacy_database_config = true # rubocop:disable Gitlab/ModuleWithInstanceVariables
end
[env, configs]
end
end
end
end
end
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