#!/bin/bash -e

# See http://stackoverflow.com/questions/2657935/checking-for-a-dirty-index-or-untracked-files-with-git

runTest(){
  if hasStagedChanges; then
    echo "There are staged changes"
  fi
  if hasWorkingChanges; then
    echo "There are working changes"
  fi
  if hasUntrackedChanges; then
    echo "There are untracked changes"
  fi
}

hasStagedChanges(){
  ! git diff-index --quiet --cached HEAD
}

hasWorkingChanges(){
  ! git diff-files --quiet
}

hasUntrackedChanges(){
  local u=
  ! ( u="$( git ls-files --exclude-standard --others )" && [ -z "${u}" ] )
}

runTest