Update
Check for updates and install the latest version:
gim update
Force update even if you're on the latest version:
gim update --force
Set the max number of tries to check for updates (5 if not set):
gim update --max 3
Set the interval days between each update check (30 if not set):
gim update --interval 7
You don't need to check update manually. The application will check for updates by itself every time you run it.