Although this is helpful for debugging it is not needed when using the script to install the dependencies.
I would recommend commenting it out (and adding comment that it's useful for debugging) or removing it completely.
This seems to be a relic from Release 2.3.1 where it first came up after debugging an issue with the script.
If this is wanted behavior you can close this issue :)
When the script is executed it prints out all commands executed which looks pretty messy:
Although this is helpful for debugging it is not needed when using the script to install the dependencies. I would recommend commenting it out (and adding comment that it's useful for debugging) or removing it completely. This seems to be a relic from Release 2.3.1 where it first came up after debugging an issue with the script.
If this is wanted behavior you can close this issue :)