Delete all GitHub workflow runs for a given workflow

delete_github_workflow_runs.sh

#!/bin/bash

workflow=$1
limit=$2

if [[ -z "$workflow" ]]
then
  echo "Usage: $0 <workflow> [<limit>]"
  exit 1
fi

if [[ ! -z "$limit" ]]
then
  args="-L $limit"
else
  args=''
fi

workflow_runs=$(gh run list -w "$workflow" --json databaseId $args | jq '.[].databaseId')
run_count=$(echo "$workflow_runs" | wc -l | tr -d ' ')
echo "$run_count runs to delete"

for run_id in $workflow_runs
do
  gh run delete "$run_id"
  echo "Run $run_id: deleted successfully"
done