set--e.sh

#!/usr/bin/env bash

# http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html

set -e

function foo()
{
    if [ 1 = 2 ]; then
        true
    elif [ 1 = 3 ]; then
        true
    else
        false
        echo false
    fi
}

function run()
{
    if ! $@; then
        echo nope
    else
        echo yep
    fi
}
function main()
{
    run foo

    echo but
    foo
}
main