Is the size of .git/ similar or much bigger than other directories?

[maurolepore]

Inspired by ropensci/software-review#659 (comment)

# The fireexposuR directory is quite large, so cloning is relatively slow
➜  git du -hd 1 fireexposuR 
240K    fireexposuR/.Rproj.user
80K     fireexposuR/R
20K     fireexposuR/inst
76M     fireexposuR/.git
16K     fireexposuR/vignettes
24K     fireexposuR/.github
736K    fireexposuR/man
48K     fireexposuR/tests
77M     fireexposuR

# Almost all that "weight" comes from the .git/ directory alone
➜  git du -hd 1 fireexposuR/.git
4.0K    fireexposuR/.git/branches
75M     fireexposuR/.git/objects
32K     fireexposuR/.git/logs
8.0K    fireexposuR/.git/info
28K     fireexposuR/.git/refs
64K     fireexposuR/.git/hooks
76M     fireexposuR/.git