First, download these scripts and place them in a local folder:
For this example, I'm assuming you'll put them in the folder:
Next, open the options for SourceTree, and go to Tools > Options:
For the diff command, change from "System Default" to custom and enter:
And for arguments:
If you'd like for us to help get your LabVIEW team set up with SourceTree, please let us know by contacting us.