def print_error(error)
$stderr.puts
$stderr.puts '+--- /!\ ERROR /!\ -------------------------------------------+'
$stderr.puts '| An exception occured while running nanoc. If you think this |'
$stderr.puts '| is a bug in nanoc, please do report it at |'
$stderr.puts '| <http://projects.stoneship.org/trac/nanoc/newticket> -- |'
$stderr.puts '| thanks in advance! |'
$stderr.puts '+-------------------------------------------------------------+'
$stderr.puts
$stderr.puts '=== MESSAGE:'
$stderr.puts
$stderr.puts "#{error.class}: #{error.message}"
resolution = self.resolution_for(error)
$stderr.puts "#{resolution}" if resolution
$stderr.puts
$stderr.puts '=== COMPILATION STACK:'
$stderr.puts
if ((self.site && self.site.compiler.stack) || []).empty?
$stderr.puts " (empty)"
else
self.site.compiler.stack.reverse.each do |obj|
if obj.is_a?(Nanoc3::ItemRep)
$stderr.puts " - [item] #{obj.item.identifier} (rep #{obj.name})"
else
$stderr.puts " - [layout] #{obj.identifier}"
end
end
end
require 'enumerator'
$stderr.puts
$stderr.puts '=== BACKTRACE:'
$stderr.puts
$stderr.puts error.backtrace.to_enum(:each_with_index).map { |item, index| " #{index}. #{item}" }.join("\n")
end