Command Install

Mac OS X - Install Git Completion

Mac bash git completion and prompt

Mac bash setup Git

Move Git completion to zsh

https://oliverspryn.blog/adding-git-completion-to-zsh-60f3b0e7ffbc

Customizing prompt

Here is mine for example.

Just set below in you ~./.zshrc file

setopt PROMPT_SUBST ; PS1='%F{red}%n%f %F{blue}%c%f%F{green}$(__git_ps1 " (%s)")%f\$ '

References:

References

Git-Auto-Completion-Instructions
Gist Mac Bash
https://scriptingosx.com/2019/07/moving-to-zsh-06-customizing-the-zsh-prompt/
https://www.makeuseof.com/customize-zsh-prompt-macos-terminal/