/usr/lib/ruby/vendor_ruby/rails/backtrace_cleaner.rb is in ruby-railties 2:4.2.10-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | require 'active_support/backtrace_cleaner'
module Rails
class BacktraceCleaner < ActiveSupport::BacktraceCleaner
APP_DIRS_PATTERN = /^\/?(app|config|lib|test)/
RENDER_TEMPLATE_PATTERN = /:in `_render_template_\w*'/
EMPTY_STRING = ''.freeze
SLASH = '/'.freeze
DOT_SLASH = './'.freeze
def initialize
super
@root = "#{Rails.root}/".freeze
add_filter { |line| line.sub(@root, EMPTY_STRING) }
add_filter { |line| line.sub(RENDER_TEMPLATE_PATTERN, EMPTY_STRING) }
add_filter { |line| line.sub(DOT_SLASH, SLASH) } # for tests
add_gem_filters
add_silencer { |line| line !~ APP_DIRS_PATTERN }
end
private
def add_gem_filters
gems_paths = (Gem.path | [Gem.default_dir]).map { |p| Regexp.escape(p) }
return if gems_paths.empty?
gems_regexp = %r{(#{gems_paths.join('|')})/gems/([^/]+)-([\w.]+)/(.*)}
gems_result = '\2 (\3) \4'.freeze
add_filter { |line| line.sub(gems_regexp, gems_result) }
end
end
end
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