$q finally

q-finally.js

var $q = angular.element(document).injector().get('$q');

function fn1() {
    return $q.when('foo');
}

function fn2(arg) {
    console.log('fn2', arguments);
    return $q.when(arg);
}

function fn3(arg) {
    console.log('fn3', arguments, arg);
    return $q.when(arg);
}

function fn4(arg) {
    console.log('fn4', arguments, arg);
    return $q.reject(arg);
}

function fn5(arg) {
    console.log('fn5', arguments, arg);
    return $q.when(arg);
}

function fn6(arg) {
    console.log('fn6', arguments, arg);
    return $q.reject(arg);
}

function fn7(arg) {
    console.log('fn7', arguments, arg);
    return $q.when(arg);
}

function last(arg) {
    console.log('last', arguments, arg);
}

fn1().then(fn2).then(fn3).then(fn4).then(fn5).then(fn6).then(fn7, fn7).finally(last);