anchor.diff:  source "https://rubygems.org"
   
   gem "fluentd", "<%= fluentd_ver %>"
  -gem "oj", "3.5.1"
  +gem "oj", "3.8.1"
   gem "fluent-plugin-multi-format-parser", "~> 1.0.0"
   gem "fluent-plugin-concat", "~> 2.3.0"
   gem "fluent-plugin-grok-parser", "~> 2.5.0"
  -gem "fluent-plugin-prometheus", "~> 1.3.0"
  +gem "fluent-plugin-prometheus", "~> 1.5.0"
   gem 'fluent-plugin-json-in-json-2', ">= 1.0.2"
  +gem "fluent-plugin-record-modifier", "~> 2.0.0"
   <% if !is_v1 %>
   gem "fluent-plugin-secure-forward"
   gem "fluent-plugin-record-reformer"
   gem "fluent-plugin-rewrite-tag-filter"
   <% else %>
  -gem "fluent-plugin-rewrite-tag-filter", "~> 2.1.0"
  +gem "fluent-plugin-rewrite-tag-filter", "~> 2.2.0"
   <% end %>
   <% case target when "elasticsearch" %>
   <% if is_v1 %>
  
positive.code: <% when "cloudwatch" %>
  gem "aws-sdk-cloudwatchlogs", "~> 1.0"
  <% if is_v1 %>
  gem "fluent-plugin-cloudwatch-logs", "~> 0.7.3"
  <% else %>
  gem "fluent-plugin-cloudwatch-logs", "0.4.5"
  <% end %>
  
negative.code: gem "gelf", "3.0.0"
  <% if is_v1 %>
  gem "fluent-plugin-gelf-hs", "~> 1.0.7"
  <% else %>
  gem "fluent-plugin-gelf-hs"
  gem "fluent-plugin-record-modifier", "< 1.0.0"
  