5704b50fb1
This PR builds on #21258 to make it possible to use HEAD as a diff base. The buffer store is extended to support holding multiple change sets, and collab gains support for synchronizing the committed text of files when any collaborator requires it. Not implemented in this PR: - Exposing the diff from HEAD to the user - Decorating the diff from HEAD with information about which hunks are staged `test_random_multibuffer` now fails first at `SEED=13277`, similar to the previous high-water mark, but with various bugs in the multibuffer logic now shaken out. Release Notes: - N/A --------- Co-authored-by: Max <max@zed.dev> Co-authored-by: Ben <ben@zed.dev> Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com> Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com> Co-authored-by: Conrad <conrad@zed.dev> |
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