make SUP_LOG_LEVEL self-documenting

[sup] / bin / sup

diff --git a/bin/sup b/bin/sup
index 155bb65b49193d73cbf2123baae2a5ec54f6ebc1..1ca98194b2a48d29bd7f0d84463db9d97ca960a0 100755 (executable)
--- a/bin/sup
+++ b/bin/sup
@@ -187,6 +187,9 @@ begin
   lmode.on_kill { Logger.clear! }
   Logger.add_sink lmode
   Logger.force_message "Welcome to Sup! Log level is set to #{Logger.level}."
+  if Logger::LEVELS.index(Logger.level) > 0
+    Logger.force_message "For more verbose logging, restart with SUP_LOG_LEVEL=#{Logger::LEVELS[Logger::LEVELS.index(Logger.level)-1]}."
+  end
 
   debug "initializing inbox buffer"
   imode = InboxMode.new