Prevent accidental changes from being committed to git

git_approval.sh

#Append the following snippet to your bash.rc

#Whenever "git add foo" is ran "git diff" will first run
#and require user confirmation before changes are added.

git() {
    if [[ $1 == "add" ]]; then
        command git diff
        read -p "Are you sure? " -n 1 -r
        echo

        if [[ $REPLY =~ ^[Yy]$ ]]; then
            command git add "${@:(2)}" 
        fi 
    else
        command git "$@"
    fi
}