Delete All Workflows Using Shell Script

worflow_delete.sh

read -p "Enter your [Branch/repo]: " branch_repo
branch_repo=${branchrepo:-"DEFAULT_REPO_NAME"}

# To Get workflow IDs with status "disabled_manually" add | contains("disabled_manually")
workflow_ids=($(gh api repos/$branch_repo/actions/workflows | jq '.workflows[] | select(.["state"]) | .id'))

for workflow_id in "${workflow_ids[@]}"
do
  echo "Listing runs for the workflow ID $workflow_id"
  run_ids=( $(gh api repos/$branch_repo/actions/workflows/$workflow_id/runs --paginate | jq '.workflow_runs[].id') )
  for run_id in "${run_ids[@]}"
  do
    echo "Deleting Run ID $run_id"
    gh api repos/$branch_repo/actions/runs/$run_id -X DELETE >/dev/null
  done
done

# Source - https://stackoverflow.com/questions/57927115/delete-a-workflow-from-github-actions