Wishlist for a bundle-only transport mode

Hi *,

  I have to work in a bundle-only mode, but there are some problems
with it, namely:

1) git-clone does not accept a bundle file, even if git-fetch does.
I've made a patch to use git-fetch in git-clone for this.

2) The bundles created with "git bundle" does not record the HEAD,
they resolve the symbolic name to a branch name.

3) I can "git fetch" a bundle but I cannot "git push" a bundle, so if I have:

[remote "bundle"]
  url = /file/to/bundle
  fetch = "+refs/heads/*:refs/remotes/bundle/*"

$ git push bundle

would create a bundle in /file/to/bundle with the same branches as a normal git push, but considering the remote branches as the local remotes/bundle/*

Thank you

Santi