This gist is for standard install of the zsh shell and oh-my-zsh configuration with spaceship theme

superShell.bash

#!/bin/bash

# For use this script copy&paste this in your terminal:
# bash <(curl -s https://gist.githubusercontent.com/tomma5o/302be3dc6e2092743e6049570e102a09/raw/superShell.bash)

OPTIONS="OSX Debian"
SELECTED="null"

echo Where you want to activate zsh?
select opt in $OPTIONS; do
    if [ "$opt" = "OSX" ]; then
        SELECTED="OSX"
        echo your selection is OSX
        break
    elif [ "$opt" = "Debian" ]; then
        SELECTED="Debian"
        echo your selection is Debian
        break
    else
        echo bad option
        SELECTED="null"
        exit 1
    fi
done

ohMyZshInstaller() {
  if which tput >/dev/null 2>&1; then
      ncolors=$(tput colors)
  fi
  if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
    RED="$(tput setaf 1)"
    GREEN="$(tput setaf 2)"
    YELLOW="$(tput setaf 3)"
    BLUE="$(tput setaf 4)"
    BOLD="$(tput bold)"
    NORMAL="$(tput sgr0)"
  else
    RED=""
    GREEN=""
    YELLOW=""
    BLUE=""
    BOLD=""
    NORMAL=""
  fi

  set -e

  if [ ! -n "$ZSH" ]; then
    ZSH=~/.oh-my-zsh
  fi

  if [ -d "$ZSH" ]; then
    printf "${YELLOW}You already have Oh My Zsh installed.${NORMAL}\n"
    printf "You'll need to remove $ZSH if you want to re-install.\n"
    exit
  fi

  # Prevent the cloned repository from having insecure permissions. Failing to do
  # so causes compinit() calls to fail with "command not found: compdef" errors
  # for users with insecure umasks (e.g., "002", allowing group writability). Note
  # that this will be ignored under Cygwin by default, as Windows ACLs take
  # precedence over umasks except for filesystems mounted with option "noacl".
  umask g-w,o-w

  printf "${BLUE}Cloning Oh My Zsh...${NORMAL}\n"
  hash git >/dev/null 2>&1 || {
    echo "Error: git is not installed"
    exit 1
  }
  # The Windows (MSYS) Git is not compatible with normal use on cygwin
  if [ "$OSTYPE" = cygwin ]; then
    if git --version | grep msysgit > /dev/null; then
      echo "Error: Windows/MSYS Git is not supported on Cygwin"
      echo "Error: Make sure the Cygwin git package is installed and is first on the path"
      exit 1
    fi
  fi
  env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git $ZSH || {
    printf "Error: git clone of oh-my-zsh repo failed\n"
    exit 1
  }


  printf "${BLUE}Looking for an existing zsh config...${NORMAL}\n"
  if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
    printf "${YELLOW}Found ~/.zshrc.${NORMAL} ${GREEN}Backing up to ~/.zshrc.pre-oh-my-zsh${NORMAL}\n";
    mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
  fi

  printf "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${NORMAL}\n"
  cp $ZSH/templates/zshrc.zsh-template ~/.zshrc
  sed "/^export ZSH=/ c\\
  export ZSH=$ZSH
  " ~/.zshrc > ~/.zshrc-omztemp
  mv -f ~/.zshrc-omztemp ~/.zshrc

}

if [ $SELECTED = "OSX" ]; then

    # check if homebrew is already installed
    if which brew &> /dev/null; then
        brew install zsh
    else
        echo "installing homebrew...\nAt the end of the precess i ask you if u want to delete Homebrew ;)"
        /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" || {
            printf "Error happened when installing homebrew"
            exit 1
        }

        echo "installing zsh..."
        brew install zsh zsh-completions
    fi

elif [ $SELECTED = "Debian" ]; then

    sudo apt-get install zsh

fi

#########################################
# install oh my zsh
#########################################
echo "installing Oh-My-Zsh..."
ohMyZshInstaller

#########################################
# install plugin zsh-autosuggestions
#########################################
echo "installing zsh-autosuggestions..."

git clone https://github.com/zsh-users/zsh-autosuggestions ~/.oh-my-zsh/plugins/zsh-autosuggestions || {
    printf "Error happened when installing zsh-autosuggestions"
    exit 1
}

#########################################
# install zsh plugin syntax-highlighting
#########################################
echo "installing zsh-syntax-highlighting..."

git clone https://github.com/zsh-users/zsh-syntax-highlighting.git || {
    printf "Error happened when installing zsh-autosuggestions"
    exit 1
}

#########################################
# install spaceship theme
#########################################
echo "installing spaceship theme..."

git clone https://github.com/denysdovhan/spaceship-prompt.git ~/.oh-my-zsh/themes/spaceship-prompt || {
    printf "Error happened when installing spaceship theme"
    exit 1
}

ln -s ~/.oh-my-zsh/themes/spaceship-prompt/spaceship.zsh-theme ~/.oh-my-zsh/themes/spaceship.zsh-theme || {
    printf "Error happened when installing spaceship theme"
    exit 1
}

# @TODO sobstitute ZSH_THEME theme variable with spaceship in .zshrc

if [ $SELECTED = "OSX" ]; then

    echo "You want maintain homebrew in your mac? (y/n)"
    read YESNO
    if [ $YESNO = "y" ]; then
        echo "perfect! you find homebrew here: /usr/local/Homebrew"
    else
        ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)" || {
            echo "Error happened when i'm tryng to uninstall homebrew"
        }
    fi
    unset YESNO

fi

echo "You want zsh be your standard shell? (y/n)"
read YESNO
if [ $YESNO = "y" ]; then
    chsh -s /bin/zsh || {
        echo "Error happened when i'm tryng to set zsh your default shell"
    }
else
    echo "okidoki for use zsh type zsh in your shell"
fi
unset YESNO

echo "the only thing to do now is to go in '.zshrc' and change ZSH_THEME variable in 'spaceship' and add to plugins zsh-autosuggestions ;)"
    
env zsh