_install

#!/bin/bash

# This Opens the commands.txt, reads the commands into a single variable (lines) and returns it. 
readFile () {
  dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
  old_IFS=$IFS
  IFS=$'\n'
  lines=($(cat $dir/'commands.txt'))
  IFS=$old_IFS
  addCommands
}

# This writes/updates commands to bash_profile. 
addCommands () {
  echo "🕛 Adding commands..."

  # Printing Commands to ~/.bash_profile
  echo ' '>>~/.bash_profile
  echo "#Lazy_Git_Commands" >>~/.bash_profile
  echo ${lines[@]} >>~/.bash_profile
  echo ' '>>~/.bash_profile

  # Updating ~/.bash_profile
  echo "#Ends_here" >>~/.bash_profile
  echo "✅ Commands inserted"
  source ~/.bash_profile
  echo "✅ Bash profile Updated"

  # to Open bash profile type 'open ~/.bash_profile'

  echo "🙌 Thanks for using lazyGit"
}

# Installation invoker function
beginInstallation () {

  echo "🕛 Checking for .bash_profile..."
  # Checks for the existance of .bash_profile file
  if ! [ -a ~/.bash_profile ];then
      touch .bash_profile
      echo "✅ File created."
      readFile
  else
      echo "✅ File already exists"
      echo "🕛 Removing old commands..."
      sed -i '' -e '1h;2,$H;$!d;g' -e 's/#Lazy_Git_Commands.*#Ends_here//g' ~/.bash_profile
      readFile
  fi
}

#Running Installation
beginInstallation