Delete all runs of a GitHub workflow to remove it from the Actions UI

github-delete-workflow-runs.sh

#!/bin/bash -e

command -v gh > /dev/null 2>&1 || { echo >&2 "\n'gh' was not found on your path. Install the GitHub CLI at https://github.com/cli/cli#installation\n"; exit 2; }

# Prompt for inputs
if [[ -z $OWNER ]]; then
    read -rp "GitHub Owner (set OWNER to skip this): " OWNER
    if [[ -z $OWNER ]]; then
        echo "Missing OWNER"
        exit 1
    fi
fi

if [[ -z $REPO ]]; then
    read -rp "Repo Name (set REPO to skip this): " REPO
    if [[ -z $REPO ]]; then
        echo "Missing REPO"
        exit 1
    fi
fi

if [[ -z "$WORKFLOW" ]]; then
    read -rp "Workflow Name (set WORKFLOW to skip this): " WORKFLOW
    if [[ -z $WORKFLOW ]]; then
        echo "Missing WORKFLOW"
        exit 1
    fi
fi

# Get the workflow ID for the given name
echo ""
echo "Translating workflow name '$WORKFLOW' to Id..."
WorkflowId=$(gh api "repos/$OWNER/$REPO/actions/workflows" \
  --jq ".workflows[] | select(.name == \"$WORKFLOW\") | .id")

if [[ -z "$WorkflowId" ]]; then
  echo "Workflow '$WORKFLOW' not found"
  exit 1
fi

echo ""
echo "Deleting runs for workflow id $WorkflowId"

# Get all run IDs for that workflow
RunIds=$(gh api "repos/$OWNER/$REPO/actions/workflows/$WorkflowId/runs?per_page=100" \
  --paginate \
  --jq '.workflow_runs[].id')

# Delete each run
echo ""
for runId in $RunIds; do
  echo "Delete run: $runId"
  gh api --method DELETE "repos/$OWNER/$REPO/actions/runs/$runId"
done

echo ""
echo "Done"