mac_bash_profile

export ANDROID_SDK=/Users/hernand/Library/Android/sdk
export ANDROID_NDK=/Users/hernand/Library/Android/sdk/ndk-bundle
export PATH="$PATH:$ANDROID_SDK/tools:$ANDROID_SDK/platform-tools:$ANDROID_NDK"

# Autocomplete
#if [ -f /usr/local/git/contrib/completion/git-completion.bash ]; then
#    . /usr/local/git/contrib/completion/git-completion.bash
#fi

[[ -r "/usr/local/etc/profile.d/bash_completion.sh" ]] && . "/usr/local/etc/profile.d/bash_completion.sh"

# mostra se existem alterações no projeto (master/branch)
GIT_PS1_SHOWDIRTYSTATE=true

# necessário para o correto funcionamento da variável ‘__git_ps1’
#source /usr/local/git/contrib/completion/git-prompt.sh

# utilizado para escrever o projeto corrente utilizado (master/branch)
PS1='\u@\h:\w $(__git_ps1 "(%s)")\$ '

# Setting GIT prompt
c_cyan=`tput setaf 6`
c_red=`tput setaf 1`
c_green=`tput setaf 2`
c_sgr0=`tput sgr0`

branch_color ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        color=""
        if git diff --quiet 2>/dev/null >&2 
        then
            color=${c_green}
        else
            color=${c_red}
        fi
    else
        return 0
    fi
    echo -n $color
}

parse_git_branch ()
{
    if git rev-parse --git-dir >/dev/null 2>&1
    then
        gitver="["$(git branch 2>/dev/null| sed -n '/^\*/s/^\* //p')"]"
    else
        return 0
    fi
echo -e $gitver
}

#It's important to escape colors with \[ to indicate the length is 0
PS1='\u@\[${c_red}\]\W\[${c_sgr0}\]\[\[$(branch_color)\]$(parse_git_branch)\[${c_sgr0}\]$ '

Create the folder structure to work with big sur

mkdir -p ~/.zsh
cd ~/.zsh

Download the scripts

curl -o git-completion.bash https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash
curl -o _git https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.zsh

Also install
https://github.com/zsh-git-prompt/zsh-git-prompt

put these on ~/.zshrc file

# Load Git completion
zstyle ':completion:*:*:git:*' script ~/.zsh/git-completion.bash
fpath=(~/.zsh $fpath)

autoload -Uz compinit && compinit

source ~/.zsh/zsh-git-prompt/zshrc.sh
# an example prompt
PROMPT='%B%m%~%b$(git_super_status) %# '

export JAVA_HOME="/Users/hernand.azevedo/jdk/jdk-11.0.11.jdk/Contents/Home"
export FLUTTER_HOME="/Users/hernand.azevedo/development/flutter"
export ANDROID_HOME="/Users/hernand.azevedo/Library/Android/sdk"
export OS_CLI_HOME="/Users/hernand.azevedo/.os"
export PATH="$PATH:$FLUTTER_HOME/bin:$JAVA_HOME/bin:$FLUTTER_HOME/.pub-cache/bin:$ANDROID_HOME/platform-tools:$OS_CLI_HOME/bin"