diff options
Diffstat (limited to 'lib/bundler/retry.rb')
-rw-r--r-- | lib/bundler/retry.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/bundler/retry.rb b/lib/bundler/retry.rb new file mode 100644 index 0000000000..092fb866b3 --- /dev/null +++ b/lib/bundler/retry.rb @@ -0,0 +1,65 @@ +# frozen_string_literal: true +module Bundler + # General purpose class for retrying code that may fail + class Retry + attr_accessor :name, :total_runs, :current_run + + class << self + def default_attempts + default_retries + 1 + end + alias_method :attempts, :default_attempts + + def default_retries + Bundler.settings[:retry] + end + end + + def initialize(name, exceptions = nil, retries = self.class.default_retries) + @name = name + @retries = retries + @exceptions = Array(exceptions) || [] + @total_runs = @retries + 1 # will run once, then upto attempts.times + end + + def attempt(&block) + @current_run = 0 + @failed = false + @error = nil + run(&block) while keep_trying? + @result + end + alias_method :attempts, :attempt + + private + + def run(&block) + @failed = false + @current_run += 1 + @result = block.call + rescue => e + fail_attempt(e) + end + + def fail_attempt(e) + @failed = true + if last_attempt? || @exceptions.any? {|k| e.is_a?(k) } + Bundler.ui.info "" unless Bundler.ui.debug? + raise e + end + return true unless name + Bundler.ui.info "" unless Bundler.ui.debug? # Add new line incase dots preceded this + Bundler.ui.warn "Retrying #{name} due to error (#{current_run.next}/#{total_runs}): #{e.class} #{e.message}", Bundler.ui.debug? + end + + def keep_trying? + return true if current_run.zero? + return false if last_attempt? + return true if @failed + end + + def last_attempt? + current_run >= total_runs + end + end +end |