Add concurrency hook to cancel jobs on new push. #5986
Merged
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This addition to the workflow is intended to cancel running jobs within a workflow when new changes are pushed up. This should help in situations where there are a lot of rapid pushes to a PR, which can trigger a long queue of CI jobs to build up.
See: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-using-a-fallback-value
See also: scipy/scipy#15634 and numpy/numpy#21110. And thanks to @HarshCasper for calling attention to this improvement.