add cancel workflow (#4256)

resolves #4242
quantumlib · Jun 23, 2021 · 700a6c0 · 700a6c0
1 parent 418e08d
commit 700a6c0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -2,6 +2,10 @@ name: Continuous Integration
 
 on: [ pull_request ]
 
+concurrency: 
+  group: ${{ github.head_ref }}
+  cancel-in-progress: true
+
 jobs:
   quick_test:
     name: Misc check