In source_sync.sh, if you run it without
-t, you should input TAG or Enter again and again.
On the other hand, if you want to figure out tag names excactly, you should use command
git tag -l tegra-l4t* but the repo have not been initialized you cannot get correct output by this command.
So, why not set the latest tag as default? It’s helpful to users who are not familiar with L4T. On the other hand, set -t parameter to
git describe --tags $(git rev-list --tags --max-count=1) is not harmful to skilled users.