module Codepipe::Evaluate

Public Instance Methods

evaluate(path) click to toggle source
# File lib/codepipe/evaluate.rb, line 3
def evaluate(path)
  source_code = IO.read(path)
  begin
    instance_eval(source_code, path)
  rescue Exception => e
    if e.class == SystemExit # allow exit to happen normally
      raise
    else
      task_definition_error(e)
      puts "\nFull error:"
      raise
    end
  end
end

Private Instance Methods

lookup_codepipeline_file(name) click to toggle source
# File lib/codepipe/evaluate.rb, line 43
def lookup_codepipeline_file(name)
  [".codepipeline", @options[:type], name].compact.join("/")
end
task_definition_error(e) click to toggle source

Prints out a user friendly task_definition error message

# File lib/codepipe/evaluate.rb, line 20
def task_definition_error(e)
  error_info = e.backtrace.first
  path, line_no, _ = error_info.split(':')
  line_no = line_no.to_i
  puts "Error evaluating #{path}:".color(:red)
  puts e.message
  puts "Here's the line in #{path} with the error:\n\n"

  contents = IO.read(path)
  content_lines = contents.split("\n")
  context = 5 # lines of context
  top, bottom = [line_no-context-1, 0].max, line_no+context-1
  spacing = content_lines.size.to_s.size
  content_lines[top..bottom].each_with_index do |line_content, index|
    line_number = top+index+1
    if line_number == line_no
      printf("%#{spacing}d %s\n".color(:red), line_number, line_content)
    else
      printf("%#{spacing}d %s\n", line_number, line_content)
    end
  end
end