my-nvim-setup/install.sh

#!/bin/sh

get_platform() {
  case "$(uname -s)" in
  Linux*) platform=Linux ;;
  Darwin*) platform=Mac ;;
  CYGWIN*) platform=Cygwin ;;
  MINGW*) platform=MinGw ;;
  *) platform="UNKNOWN:${unameOut}" ;;
  esac
  echo $platform
}

echo "installing packer"

if [ ! -d ~/.local/share/nvim/site/pack/packer ]; then
  echo "Installing packer"
  git clone https://github.com/wbthomason/packer.nvim \
    ~/.local/share/nvim/site/pack/packer/start/packer.nvim
  echo
  echo "packer installed!"
  echo
fi

echo "Linking config"
echo "old nvim config will be changed to nvim.bak if exists! :0"

# copying config
if [ -d ~/.config/nvim ]; then
   echo "Nvim Directory exists"
   echo "Changing nvim to nvim.bak"
   mv ~/.config/nvim/ ~/.config/nvim.bak/
   echo "Creating new nvim directory"
   mkdir -p ~/.config/nvim
else
   echo "Nvim Config doesn't exist so creating one"
   mkdir -p ~/.config/nvim/
fi

cp -r init.lua ~/.config/nvim/ && cp -r lua ~/.config/nvim/

# change shell in nvim config
read -p "which shell do you use?: " shellname
echo "$shellname"

if [ "$(get_platform)" = "Mac" ]; then
  gsed -i "s/bash/$shellname/g" ~/.config/nvim/lua/mappings.lua
else
  sed -i "s/bash/$shellname/g" ~/.config/nvim/lua/mappings.lua
fi

echo "shell changed to $shellname on nvim successfully!"
echo
echo "neovim will open with some errors , just press enter" && sleep 1

# install all plugins
nvim +PackerInstall