macOS Color Shell with Git status

Show Colors in Terminal

#!/bin/bash

color=0;
while [ $color -lt 245 ]; do
    echo -e "$color: \\033[38;5;${color}mhello\\033[48;5;${color}mworld\\033[0m"
    ((color++));
done

Setup in ~/.zshrc

git_status() {
    # Early return if not in a git repository
    git rev-parse --is-inside-work-tree &>/dev/null || return

    local status_symbols=("")
    local git_status="$(git status --porcelain -b 2>/dev/null)"
    local working_tree=$(echo "$git_status" | tail -n +2)  # Skip the first line (branch info)

    # Branch status with colors
    if echo "$git_status" | grep -q "ahead"; then
        status_symbols+=("%F{cyan}?~F~Q%f")    # Cyan for ahead
    elif echo "$git_status" | grep -q "behind"; then
        status_symbols+=("%F{yellow}?~F~S%f")  # Yellow for behind
    elif echo "$git_status" | grep -q "diverged"; then
        status_symbols+=("%F{red}?~F~U%f")     # Red for diverged
    fi

    # Working tree status with colors
    if [[ -z "$working_tree" ]]; then
        status_symbols+=("%F{green}?~\~T%f")   # Green for clean
    else
        # Check for untracked files
        if echo "$git_status" | grep -q "^??"; then
            status_symbols+=("%F{blue}?%f")    # Blue for untracked
        fi
        # Check for unstaged modifications
        if echo "$git_status" | grep -q "^.M"; then
            status_symbols+=("%F{yellow}!%f")  # Yellow for modified
        fi
        # Check for unstaged deletions
        if echo "$git_status" | grep -q "^.D"; then
            status_symbols+=("%F{red}-%f")     # Red for deleted
        fi
        # Check for staged additions
        if echo "$git_status" | grep -q "^A"; then
            status_symbols+=("%F{magenta}+%f") # Magenta for added
        fi
        # Check for staged modifications
        if echo "$git_status" | grep -q "^M"; then
            status_symbols+=("%F{magenta}M%f") # Magenta for staged modifications
        fi
        # Check for staged deletions
        if echo "$git_status" | grep -q "^D"; then
            status_symbols+=("%F{magenta}D%f") # Magenta for staged deletions
        fi
        # Check for renamed files
        if echo "$git_status" | grep -q "^R"; then
            status_symbols+=("%F{cyan}R%f")    # Cyan for renamed
        fi
        # Check for copied files
        if echo "$git_status" | grep -q "^C"; then
            status_symbols+=("%F{cyan}C%f")    # Cyan for copied
        fi
        # Check for merge conflicts
        if echo "$git_status" | grep -q "^U\|^.U\|^AA\|^DD"; then
            status_symbols+=("%F{red}?~I| %f")     # Red for conflicts
        fi
    fi

    echo " ${(j::)status_symbols} "
}

function parse_git_branch() {
    git branch 2> /dev/null | sed -n -e 's/^\* \(.*\)/[\1]/p' || return
}

COLOR_DEF=$'%f'        ### White
COLOR_USR=$'%F{039}'   ### Cyan
COLOR_DIR=$'%F{082}'   ### Green
COLOR_GIT=$'%F{11}'    ### Yellow
PROMPT='${COLOR_USR}%n ${COLOR_DIR}%~${COLOR_GIT} $(parse_git_branch)${COLOR_DEF}$(git_status)$ '

Source on SO