Looking at the disk space used by one of my packages, it looks like nearly ⅔ is taken up with .git stuff:

$ du
...
297400 ./.git
190584 ./docs
448 ./src
600 ./test
...
Although it’s not a problem for me (and “We all have lots of disk space these days” - Stefan) it might be a problem in some environments, such as JuliaBox, where disk space is valuable.
So can this .git stuff be trimmed, slimmed down, or reduced in any way?
(I’ve already run a few basic git commands such as git gc --aggressive --prune=all. It made very little impact.)