No joy. Has your git server gotten slashdotted?
[bsmith@Meheadable:~/w]
$ git clone --bare git://git.jetbrains.org/idea/clojure-plugin.git
idea-clojure-plugin.git
Initialized empty Git repository in /Users/bsmith/w/idea-clojure-plugin.git/
fatal: The remote end hung up unexpectedly
// Ben