#!/bin/bash

# Update all git directories below current directory or specified directory

# Skips directories that contain a file called .ignore

HIGHLIGHT="\e[01;34m"
NORMAL='\e[00m'

function update {
  local d="$1"
  if [ -d "$d" ]; then
    if [ -e "$d/.ignore" ]; then
      echo -e "\n${HIGHLIGHT}Ignoring $d${NORMAL}"
      else
      cd "$d" || exit > /dev/null
      if [ -d ".git" ]; then
        echo -e "\n${HIGHLIGHT}Updating pwd$NORMAL"
        git add .
        git stash
        git pull
      else
        scan -- *
      fi
    cd .. > /dev/null
    fi
  fi
  #echo "Exiting update: pwd=pwd"
}

function scan {
  #echo "pwd"
  for x in "$@"; do
    update "$x"
  done
}

if [ "$1" != "" ]; then cd "$1" || exit > /dev/null; fi

echo -e "${HIGHLIGHT}Scanning ${PWD}${NORMAL}"
scan -- *