# File lib/new_relic/recipes/capistrano3.rb, line 65
  def lookup_changelog
    previous_revision = fetch(:previous_revision)
    current_revision = fetch(:current_revision)
    return unless current_revision && previous_revision

    debug "Retrieving changelog for New Relic Deployment details"

    if scm == :git
      log_command = "git --no-pager log --no-color --pretty=format:'  * %an: %s' " +
                    "--abbrev-commit --no-merges #{previous_revision}..#{current_revision}"
      `#{log_command}`
    end
  end