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Versions: 7
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Contents
module Refinery
module Generators
module Migrations
class << self
def revoke(options = {})
options = {:pattern => 'db/*.rb', :plural_name => nil, :singular_name => nil}.merge(options)
migration_files = Pathname.glob(options[:pattern]).sort.map { |m|
if options[:plural_name]
m = m.to_s.gsub('plural_name', options[:plural_name])
end
if options[:singular_name]
m = m.to_s.gsub('singular_name', options[:singular_name])
end
Pathname.new(m).basename.to_s.split(/^\d+_/).last
}.reject{|m| m.blank?}
if migration_files.any? and (migration_paths = Dir[Rails.root.join('db', 'migrate', "*#{migration_files.join(',')}")]).any?
message = [""]
message << "I found #{'a ' unless migration_paths.many?}migration#{'s' if migration_paths.many?} at:"
message << migration_paths.join("\n")
message << ""
message << "Please ensure that you roll back these migrations if you used them (using rake db:rollback) and then run:"
message << "\nrm #{migration_paths.join("\nrm ")}"
message << "rm #{Rails.root.join('db', 'seeds', "#{options[:plural_name]}.rb")}" if options[:plural_name]
message << "\nThis will ensure that nothing gets left behind in your database."
message << "Note - be careful about rolling back if you have any migrations created after this one."
message << "This is because Rails rolls back from the last migration backwards when rake db:rollback is invoked"
message << "\n"
puts message.join("\n")
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems