roc/.github/actions/flaky-retry

Flaky Retry Action

A GitHub Action that retries a command if it fails with a specific error string.

Inputs

• command (required): The command to run
• error_string_contains (required): Retry only if error output contains this string
• retry_count (optional): Number of times to retry on failure (default: 3)

Usage

- name: Run flaky test
  uses: ./.github/actions/flaky-retry
  with:
    command: 'cargo test my_flaky_test'
    error_string_contains: 'connection timeout'
    retry_count: 5

Behavior

• Runs the specified command
• If the command succeeds (exit code 0), the action succeeds immediately
• If the command fails (non-zero exit code):
  • Checks if the error output contains the specified string
  • If it does, retries up to retry_count times
  • If it doesn't, fails immediately without retrying
• After all retries are exhausted, the action fails with the last exit code