Standardise files with files in sous-chefs/repo-management

Signed-off-by: Xorima Bot <xorimabot@avon-lea.co.uk>

Dangerfile

@@ -0,0 +1,47 @@
+# Reference: http://danger.systems/reference.html
+
+# A pull request summary is required. Add a description of the pull request purpose.
+# Changelog must be updated for each pull request that changes code.
+# Warnings will be issued for:
+#    Pull request with more than 400 lines of code changed
+#    Pull reqest that change more than 5 lines without test changes
+# Failures will be issued for:
+#    Pull request without summary
+#    Pull requests with code changes without changelog entry
+
+def code_changes?
+  code = %w(libraries attributes recipes resources files templates)
+  code.each do |location|
+    return true unless git.modified_files.grep(/#{location}/).empty?
+  end
+  false
+end
+
+def test_changes?
+  tests = %w(spec test kitchen.yml kitchen.dokken.yml)
+  tests.each do |location|
+    return true unless git.modified_files.grep(/#{location}/).empty?
+  end
+  false
+end
+
+failure 'Please provide a summary of your Pull Request.' if github.pr_body.length < 10
+
+warn 'This is a big Pull Request.' if git.lines_of_code > 400
+
+warn 'This is a Table Flip.' if git.lines_of_code > 2000
+
+# Require a CHANGELOG entry for non-test changes.
+if !git.modified_files.include?('CHANGELOG.md') && code_changes?
+  failure 'Please include a CHANGELOG entry.'
+end
+
+# Require Major Minor Patch version labels
+unless github.pr_labels.grep /minor|major|patch/i
+  warn 'Please add a release label to this pull request'
+end
+
+# A sanity check for tests.
+if git.lines_of_code > 5 && code_changes? && !test_changes?
+  warn 'This Pull Request is probably missing tests.'
+end