Merge pull request #113 from ah8ad3/ignore-empty-documents

Ignore empty documents.

pkg/utils/yaml.go

@@ -27,10 +27,13 @@ func SplitYamlDocuments(fileBytes Document) ([]Document, error) {
 }
 
 // IsEmptyYamlDocument checks if a yaml document is empty (contains only comments)
+//
+// Returns true for comment-only single documents, and strings with multiple documents
+// where all docs are comment-only.
 func IsEmptyYamlDocument(document Document) bool {
 	for _, line := range strings.Split(string(document), "\n") {
 		line := strings.TrimSpace(line)
-		if line != "" && !strings.HasPrefix(line, "#") {
+		if line != "" && !strings.HasPrefix(line, "#") && line != "---" {
 			return false
 		}
 	}

testcases/manifests/empty.yaml

@@ -0,0 +1 @@
+---

testcases/manifests/empty_with_document.yaml

@@ -0,0 +1,5 @@
+# Some document
+# Some document
+# Some document
+# Some document
+---