Merge pull request #1665 from jglick/json2yaml-INFRA-1666

[INFRA-1666] If we are naming a file *.yml, convert from JSON first

scripts/fetch-external-resources

@@ -7,6 +7,7 @@
 require 'faraday'
 require 'faraday_middleware'
 require 'fileutils'
+require 'json'
 require 'uri'
 require 'yaml'
 require 'zip'
@@ -84,7 +85,13 @@ class Fetcher
           f.write(frontmatter.to_yaml)
           f.write("---\n")
         end
-        f.write(response.body)
+        puts "Writing #{destination}"
+        if destination.include? ".yml"
+          puts "Converting JSON to YAML"
+          f.write(YAML.dump(JSON.load(response.body)))
+        else
+          f.write(response.body)
+        end
       end
 
       #if downloading a zip file, extract it