Merge pull request #878 from Kickball/n8225-patch-1

Update Dangerfile

Dangerfile

@@ -1,23 +1,33 @@
+#Check for changes to README.md
+has_readme_changes = git.modified_files.include?("README.md")
 
 # Ensure there is a summary for a pull request
 fail 'Please provide a summary in the Pull Request description' if github.pr_body.length < 5
  
+# Warn if pull request is not updated
+warn 'Please update the Pull Request title to contain the script name' if github.pr_title.include? 'Update README.md'
+
 # Warn when there are merge commits in the diff
 warn 'Please rebase to get rid of the merge commits in this Pull Request' if git.commits.any? { |c| c.message =~ /^Merge branch 'master'/ }
 
 # Check links
-require 'json'
-results = File.read 'ab-results-README.md-markdown-table.json'
-j = JSON.parse results
-if j['error']==true
+if has_readme_changes
+ require 'json'
+ results = File.read 'ab-results-README.md-markdown-table.json'
+ j = JSON.parse results
+ if j['error']==true
   fail j['title']
   markdown j['message']
+ end
+end
 
-# Check syntx
-require 'json'
-results = File.read 'syntaxcheck.json'
-j = JSON.parse results
-if j['error']==true
+# Check syntax
+if has_readme_changes
+ require 'json'
+ results = File.read 'syntaxcheck.json'
+ j = JSON.parse results
+ if j['error']==true
   fail j['title']
   markdown j['message']
+ end
 end