index.sh

#!/bin/bash

# create backup files
VIMRC_OLD=~/.vimrc.old
ZSHRC_OLD=~/.zshrc.old
TMUX_CONF_OLD=~/.tmux.conf.old

touch $VIMRC_OLD
touch $ZSHRC_OLD
touch $TMUX_CONF_OLD

# copy new files to replace existing files
VIMRC=~/.vimrc
ZSHRC=~/.zshrc
TMUX_CONF=~/.tmux.conf

if [ -f "$VIMRC" ]; then
  cp ~/.vimrc ~/.vimrc.old
  cp vimrc $VIMRC
else
  touch ~/.vimrc
  cp vimrc ~/.vimrc
fi
if [ -f "$ZSHRC" ]; then
  cp ~/.zshrc ~/.zshrc.old
  cp zshrc $ZSHRC
else
  touch ~/.zshrc
  cp zshrc ~/.zshrc
fi
if [ -f "$TMUX_CONF" ]; then
  cp ~/.tmux.conf ~/.tmux.conf.old
  cp tmux.comf $TMUX_CONF
else
  touch ~/.tmux.conf
  cp tmux.comf ~/.tmux.conf
fi

# get users system name and and sed -i s/old/new/g replace my name
if [ $# -gt 0 ]; then
  # do something
  sed -i "s/danielshotonwa/$1/g" zshrc
  sed -i "s/danielshotonwa/$1/g" vimrc
else
  # do another thing
  echo You did not enter your system username
  echo Life goes on, try to edit all variations of my name in vimrc
fi


## download Vundle as vim package manager
git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim

## Use spaceship prompt - A beautiful prompt
npm install -g spaceship-prompt
git clone https://github.com/denysdovhan/spaceship-prompt.git "$ZSH_CUSTOM/themes/spaceship-prompt"
ln -s "$ZSH_CUSTOM/themes/spaceship-prompt/spaceship.zsh-theme" "$ZSH_CUSTOM/themes/spaceship.zsh-theme"