1 files changed, 14 insertions, 0 deletions
diff --git a/src/validate.rs b/src/validate.rs
index 90881fe..21570d2 100644
--- a/src/validate.rs
+++ b/src/validate.rs
@@ -18,6 +18,7 @@ static CHECKS: &[fn(&Data, &mut Vec<String>)] = &[
     validate_discord_name,
     validate_duplicate_permissions,
     validate_permissions,
+    validate_rfcbot_labels,
 ];
 
 pub(crate) fn validate(data: &Data) -> Result<(), Error> {
@@ -284,6 +285,19 @@ fn validate_permissions(data: &Data, errors: &mut Vec<String>) {
     });
 }
 
+/// Ensure there are no duplicate rfcbot labels
+fn validate_rfcbot_labels(data: &Data, errors: &mut Vec<String>) {
+    let mut labels = HashSet::new();
+    wrapper(data.teams(), errors, move |team, errors| {
+        if let Some(rfcbot) = team.rfcbot_data() {
+            if !labels.insert(rfcbot.label.clone()) {
+                errors.push(format!("duplicate rfcbot label: {}", rfcbot.label));
+            }
+        }
+        Ok(())
+    });
+}
+
 fn wrapper<T, I, F>(iter: I, errors: &mut Vec<String>, mut func: F)
 where
     I: Iterator<Item = T>,