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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class RemoveDotGitFromUsernames < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
include Gitlab::ShellAdapter
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
def up
invalid_users.each do |user|
id = user['id']
namespace_id = user['namespace_id']
path_was = user['username']
path_was_wildcard = quote_string("#{path_was}/%")
path = quote_string(rename_path(path_was))
move_namespace(namespace_id, path_was, path)
execute "UPDATE routes SET path = '#{path}' WHERE source_type = 'Namespace' AND source_id = #{namespace_id}"
execute "UPDATE namespaces SET path = '#{path}' WHERE id = #{namespace_id}"
execute "UPDATE users SET username = '#{path}' WHERE id = #{id}"
select_all("SELECT id, path FROM routes WHERE path LIKE '#{path_was_wildcard}'").each do |route|
new_path = "#{path}/#{route['path'].split('/').last}"
execute "UPDATE routes SET path = '#{new_path}' WHERE id = #{route['id']}"
end
end
end
def down
# nothing to do here
end
private
def invalid_users
select_all("SELECT u.id, u.username, n.path AS namespace_path, n.id AS namespace_id FROM users u
INNER JOIN namespaces n ON n.owner_id = u.id
WHERE n.type is NULL AND n.path LIKE '%.git'")
end
def route_exists?(path)
select_all("SELECT id, path FROM routes WHERE path = '#{quote_string(path)}'").present?
end
# Accepts invalid path like test.git and returns test_git or
# test_git1 if test_git already taken
def rename_path(path)
# To stay closer with original name and reduce risk of duplicates
# we rename suffix instead of removing it
path = path.sub(/\.git\z/, '_git')
counter = 0
base = path
while route_exists?(path)
counter += 1
path = "#{base}#{counter}"
end
path
end
def move_namespace(namespace_id, path_was, path)
repository_storage_paths = select_all("SELECT distinct(repository_storage) FROM projects WHERE namespace_id = #{namespace_id}").map do |row|
Gitlab.config.repositories.storages[row['repository_storage']]
end.compact
# Move the namespace directory in all storages paths used by member projects
repository_storage_paths.each do |repository_storage_path|
# Ensure old directory exists before moving it
gitlab_shell.add_namespace(repository_storage_path, path_was)
unless gitlab_shell.mv_namespace(repository_storage_path, path_was, path)
Rails.logger.error "Exception moving path #{repository_storage_path} from #{path_was} to #{path}"
# if we cannot move namespace directory we should rollback
# db changes in order to prevent out of sync between db and fs
raise Exception.new('namespace directory cannot be moved')
end
end
Gitlab::UploadsTransfer.new.rename_namespace(path_was, path)
end
end
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