1 files changed, 22 insertions, 0 deletions
diff --git a/bug/label.go b/bug/label.go
index 889bf455..c84c56cd 100644
--- a/bug/label.go
+++ b/bug/label.go
@@ -1,7 +1,29 @@
 package bug
 
+import (
+	"fmt"
+	"io"
+)
+
 type Label string
 
 func (l Label) String() string {
 	return string(l)
 }
+
+// UnmarshalGQL implements the graphql.Marshaler interface
+func (l *Label) UnmarshalGQL(v interface{}) error {
+	_, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("labels must be strings")
+	}
+
+	*l = v.(Label)
+
+	return nil
+}
+
+// MarshalGQL implements the graphql.Marshaler interface
+func (l Label) MarshalGQL(w io.Writer) {
+	w.Write([]byte(l))
+}