Run this in your git directory to make sure you're working off the latest code.

gitcheck.sh

#! /bin/bash

# Checks that your Github repos are up to date

DIRS=()

sync=$1

for file in */ cookbooks/*; do
    DIRS+=("`pwd`/${file}");
done

for i in "${DIRS[@]}"; do
    if [ -d "${i}/.git" ]; then
        cd ${i}
        latest_commit=$(echo `git ls-remote origin master` | cut -d' ' -f1)
        current_commit=$(echo `git rev-parse HEAD`)

        if [ "${current_commit}" != "${latest_commit}" ]; then
            echo "${i} is not synced with origin!"
            echo "syncing"
            git pull --rebase origin master
        fi
    fi
done