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ActiveRecord migration exception message formatting

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jjb committed Oct 8, 2013
1 parent be5527b commit f606153755eb2498ccb8d87b72bbd6f3f848ed2f
Showing with 15 additions and 8 deletions.
  1. +15 −8 activerecord/lib/active_record/migration.rb
@@ -2,40 +2,47 @@
require 'set'
module ActiveRecord
+ class MigrationError < ActiveRecordError#:nodoc:
+ def initialize(message = nil)
+ message = "\n\n#{message}\n\n" if message
+ super
+ end
+ end
+
# Exception that can be raised to stop migrations from going backwards.
- class IrreversibleMigration < ActiveRecordError
+ class IrreversibleMigration < MigrationError
end
- class DuplicateMigrationVersionError < ActiveRecordError#:nodoc:
+ class DuplicateMigrationVersionError < MigrationError#:nodoc:
def initialize(version)
super("Multiple migrations have the version number #{version}")
end
end
- class DuplicateMigrationNameError < ActiveRecordError#:nodoc:
+ class DuplicateMigrationNameError < MigrationError#:nodoc:
def initialize(name)
super("Multiple migrations have the name #{name}")
end
end
- class UnknownMigrationVersionError < ActiveRecordError #:nodoc:
+ class UnknownMigrationVersionError < MigrationError #:nodoc:
def initialize(version)
super("No migration with version number #{version}")
end
end
- class IllegalMigrationNameError < ActiveRecordError#:nodoc:
+ class IllegalMigrationNameError < MigrationError#:nodoc:
def initialize(name)
super("Illegal name for migration file: #{name}\n\t(only lower case letters, numbers, and '_' allowed)")
end
end
- class PendingMigrationError < ActiveRecordError#:nodoc:
+ class PendingMigrationError < MigrationError#:nodoc:
def initialize
if defined?(Rails)
- super("Migrations are pending; run 'bin/rake db:migrate RAILS_ENV=#{::Rails.env}' to resolve this issue.")
+ super("Migrations are pending. To resolve this issue, run:\n\n\tbin/rake db:migrate RAILS_ENV=#{::Rails.env}")
else
- super("Migrations are pending; run 'bin/rake db:migrate' to resolve this issue.")
+ super("Migrations are pending. To resolve this issue, run:\n\n\tbin/rake db:migrate")
end
end
end

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