tool/downloader.rb: retry on 502 and 503 error
rubyci was failed by download 503 https://rubyci.org/logs/rubyci.s3.amazonaws.com/scw-9d6766/ruby-trunk/log/20180811T021706Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by k0kubun (Takashi Kokubun) over 7 years ago
tool/downloader.rb: retry on 502 and 503 error
rubyci was failed by download 503
https://rubyci.org/logs/rubyci.s3.amazonaws.com/scw-9d6766/ruby-trunk/log/20180811T021706Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e