Installs Broken Repository on Ubuntu

[alexmbird]

On Ubuntu 12.04 amd64 I try to include_recipe "couchbase::client" and chef-client bombs out with the following error:

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Error executing action `run` on resource 'execute[apt-get update]'
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Mixlib::ShellOut::ShellCommandFailed
------------------------------------
Expected process to exit with [0], but received '100'
---- Begin output of apt-get update -o Dir::Etc::sourcelist='sources.list.d/couchbase.list' -o Dir::Etc::sourceparts='-' -o APT::Get::List-Cleanup='0' ----
STDOUT: Get:1 http://packages.couchbase.com precise Release.gpg [490 B]
Get:2 http://packages.couchbase.com precise Release [2500 B]
Fetched 2990 B in 0s (7064 B/s)
STDERR: W: Failed to fetch http://packages.couchbase.com/ubuntu/dists/precise/Release  Unable to find expected entry 'main/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)

E: Some index files failed to download. They have been ignored, or old ones used instead.
---- End output of apt-get update -o Dir::Etc::sourcelist='sources.list.d/couchbase.list' -o Dir::Etc::sourceparts='-' -o APT::Get::List-Cleanup='0' ----
Ran apt-get update -o Dir::Etc::sourcelist='sources.list.d/couchbase.list' -o Dir::Etc::sourceparts='-' -o APT::Get::List-Cleanup='0' returned 100

More info in case it's useful:

root@ubuntu:~# cat /etc/apt/sources.list.d/couchbase.list
deb     http://packages.couchbase.com/ubuntu precise main

root@ubuntu:~# apt-get update
...
W: Failed to fetch http://packages.couchbase.com/ubuntu/dists/precise/Release  Unable to find expected entry 'main/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)

E: Some index files failed to download. They have been ignored, or old ones used instead.