home.public.bin/gitPushOrPull

#!/bin/sh
# Check if pull or push is needed
#
# Usage: gitPushOrPull
#
# Source: http://stackoverflow.com/questions/3258243/git-check-if-pull-needed

git fetch --all

LOCAL=$(git rev-parse @)
REMOTE=$(git rev-parse @{u})
BASE=$(git merge-base @ @{u})

if [ $LOCAL = $REMOTE ]; then
    echo "Up-to-date (LOCAL $LOCAL = REMOTE $REMOTE)"
elif [ $LOCAL = $BASE ]; then
    echo "Need to pull (LOCAL $LOCAL = BASE $BASE)"
elif [ $REMOTE = $BASE ]; then
    echo "Need to push (REMOTE $REMOTE = BASE $BASE)"
else
    echo "Diverged"
fi