.dotfilecheck

#!/bin/bash

function info {
  echo -e "${COLOR_YELLOW}${*}${COLOR_NO_COLOUR}"
}

function error {
  echo -e "${COLOR_RED}${*}${COLOR_NO_COLOUR}"
}

MOD=$(date +%Y%m%d -r "$HOME/.dotfilecheck")
CUR=$(date +%Y%m%d)

if [[ ${MOD} != "${CUR}" ]]; then
  touch "$HOME/.dotfilecheck"

  if [[ -z $DOTFILESSRCDIR ]]; then
    error "DOTFILESSRCDIR not set. It must point to the git based source directory of dotfiles"
  else
    (
      cd "$DOTFILESSRCDIR"

      git remote update > /dev/null 2>&1

      UPSTREAM=${1:-'@{u}'}
      LOCAL=$(git rev-parse @{0})
      REMOTE=$(git rev-parse "$UPSTREAM")
      BASE=$(git merge-base @{0} "$UPSTREAM")

      if [ $LOCAL = $REMOTE ]; then
        :
      elif [ $LOCAL = $BASE ]; then
        info "Dotfiles may need a pull?"
      elif [ $REMOTE = $BASE ]; then
        info "Dotfiles may need a push?"
      else
        info "Dotfiles may need pull & push?"
      fi
    )
  fi
fi