Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000
Locate the section for your github remote in the
.git/config file. It looks like this:
[remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = firstname.lastname@example.org:joyent/node.git
Now add the line
fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this: