Merge pull request #117 from grondo/mergify-noparallel

mergify: disable temporary PR branches

Author: garlick

.mergify.yml

@@ -1,5 +1,6 @@
 queue_rules:
   - name: default
+    batch_size: 1
     queue_conditions:
       - base=main
       - label="merge-when-passing"
@@ -19,6 +20,12 @@ queue_rules:
     update_method: rebase
     merge_method: merge
 
+# Avoid temporary branches created by mergify for parallel checks.
+# These do not work with the pr-validator since the temporary PR
+# branch is updated with a merge commit.
+merge_queue:
+  max_parallel_checks: 1
+
 pull_request_rules:
   - name: rebase and merge when passing all checks
     conditions: []