Pacman post transaction hook to list/remove orphaned packages

orphans.hook

[Trigger]
Operation = Install
Operation = Upgrade
Operation = Remove
Type = Package
Target = *

[Action]
Description = Searching for orphaned packages...
When = PostTransaction
Exec = /usr/bin/bash -c "/usr/bin/pacman -Qtd || /usr/bin/echo '==> no orphans found.'"
#Exec = /usr/bin/bash -c "[[ if $(/usr/bin/pacman -Qtdq) = 0 ]] && /usr/bin/pacman -Rns $(/usr/bin/pacman -Qtdq) || /usr/bin/echo '==> No orphaned packages found.'"