Cloning jQuery

$ git clone git@github.com:jquery/jquery.git
Initialized empty Git repository in /Users/jeresig/jquery/.git/
remote: Counting objects: 10447, done.
remote: Compressing objects: 100% (3113/3113), done.
remote: Total 10447 (delta 6877), reused 10399 (delta 6832)
Receiving objects: 100% (10447/10447), 4.95 MiB | 2.32 MiB/s, done.
Resolving deltas: 100% (6877/6877), done.
$ cd jquery
$ make jquery
Grabbing external dependencies...
Initialized empty Git repository in /Users/jeresig/jquery/test/qunit/.git/
remote: Counting objects: 347, done.
remote: Compressing objects: 100% (271/271), done.
remote: Total 347 (delta 121), reused 224 (delta 75)
Receiving objects: 100% (347/347), 74.04 KiB, done.
Resolving deltas: 100% (121/121), done.
Initialized empty Git repository in /Users/jeresig/jquery/src/sizzle/.git/
remote: Counting objects: 895, done.
remote: Compressing objects: 100% (866/866), done.
remote: Total 895 (delta 576), reused 57 (delta 10)
Receiving objects: 100% (895/895), 431.53 KiB, done.
Resolving deltas: 100% (576/576), done.
Building selector code from Sizzle
Building ./dist/jquery.js
$