git-check.sh

#!/bin/bash
 
if [ -z "$1" ] || [ "$1" == "help" ] ; then
        echo
        echo "Usage: git check [remote]:[branch]"
        echo
else
        OPTS=(${1//:/ })
        remote=${OPTS[0]}
        branch=${OPTS[1]}
 
        $(git fetch $remote)
        remote_c=$(git rev-parse $remote/$branch)
        local_c=$(git rev-parse $branch)
 
        echo
        printf "Local ($branch) : %s\nRemote ($branch): %s\n" $local_c $remote_c
        echo
 
        if [[ $local_c == $remote_c ]]; then
                echo "Remote is up to date"
        else
                echo "Remote $1 is ahead or behind local $branch."
        fi
fi