I'm a contributor to the MSBuildExtensionPack repository. I've succesfully used Git TF to clone the complete repository in my home situation using the following command:
git tf clone --verbose https://tfs.codeplex.com:443/tfs/TFS08 $/MSBuildExtensionPack MSBuildExtensionPackGit
When working at my company I have to use a proxy. I have set the HTTP_PROXY environment variable to our proxy address. However, when trying to clone again I now get the following error:
git-tf: Could not find a valid TFS Collection at https://tfs.codeplex.com:443/tfs/TFS08 (The address is correct - I can connect with it using TFS).
Any ideas? I've tried using both the fully qualified url as well as the IP-address for the HTTP_PROXY environment variable, but to no avail.
Keep up the good work with git tf!