#!/bin/bash

function look_for_update() {
  if [[ $1 == ./.git ]] || [[ $1 == "." ]]; then
    echo "Ignore $1"
    return
  fi
  WithoutPrefix=$(echo -n $1 | cut -c 2-)
  if grep -qx "$WithoutPrefix" .gitignore; then
    echo "Ignore $1, because it's in .gitignore"
    return
  fi
  printf -v FolderNameEscaped '%q' "$1"
  if [[ -f $1/update.sh ]]; then
    echo "Switch to subdir $1 and run update.sh"
    cd "$1"
    git pull
    bash -c "./update.sh nobreak"
  else
    if [[ -f $1/.git ]]
    then
      echo "Pull $1"
      cd "$1"
      git pull
    else
      echo "Checkout master for $1"
      git submodule update --init -- "$1"
      cd "$1"
      git checkout master
    fi
	fi
}

export -f look_for_update
find . -maxdepth 1 -type d -exec bash -c 'look_for_update "$0"' {} \;

if [ -z $1 ]; then
  read -p "Press return"
fi