Logger#with_level

with_level(severity) { || ... }

# File tmp/rubies/ruby-3.4.1/lib/logger.rb, line 408
def with_level(severity)
  prev, level_override[level_key] = level, Severity.coerce(severity)
  begin
    yield
  ensure
    if prev
      level_override[level_key] = prev
    else
      level_override.delete(level_key)
    end
  end
end

Adjust the log level during the block execution for the current Fiber only

Example

logger.with_level(:debug) do
  logger.debug { "Hello" }
end