macro for Sha / Galleon lock

[Voxxel]

Hello,

I'm curious how can I check if my character is saved for Sha of Anger or Galleon on a given week.
It comes to an issue when you play 7-8 characters everyday and just cannot follow which character is already locked and which one is not.

I can't find any in-built UI option to check this and this isn't included in /raidinfo list but I heard around the internet there is a macro that can tell you in a way if your current character is saved (or already looted) or not.

Could you share it please?

(I know there is a version for AILO that can track Sha but I really don't want to use one more completely addon just for this minor issue.)