It's a bit of history: https://github.com/Homebrew/discussions/discussions/225 https://github.com/Homebrew/discussions/discussions/225 https://stackoverflow.c

It's a bit of history: https://github.com/Homebrew/discussions/discussions/225 https://github.com/Homebrew/discussions/discussions/225 https://stackoverflow.com/questions/6941889/is-it-safe-to-shallow-clone-with-depth-1-create-commits-and-pull-updates-aga https://stackoverflow.com/questions/6941889/is-it-safe-to-sh... https://stackoverflow.com/questions/6900103/why-cant-i-push-from-a-shallow-clone https://stackoverflow.com/questions/6900103/why-cant-i-push-... Modern git appears to have implemented solutions to these limitations, but old habits die hard.