compares local branch name to remote origin

checkdiff.sh

# @usage checkiff master
# @param {posix1} branchname 
# @desc notifies you whether local master is the same as origin/master
# (only works in zshell, in bash the piping generaes a subshell)
function checkdiff() {
  git fetch;
  git diff $1 origin/$1 | wc -l | {read wc};
  if (test $wc -ne "0")
  then
    echo $wc
    echo 'Warning. Master has been updated'
  else
    echo "Good to go."
  fi
}

# this version works for bash and zshell
function cdiff() {
  local e="033"
  local wc=""
  echo $tty
  git fetch
  wc=$(git diff $1 origin/$1 | wc -l);
  if [[ $wc != "0" ]];
  then
    echo $wc;
    echo -e "\\"$e"[1;31mWarning\\"$e"[0m. Master has been updated";
    
  else
    echo -e "\\$e[32mGood to go.\\$e[0m";
  fi
}