Fix: add early returns to buffer switch hook #29
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The existing
update_current_buffer_on_switchmethod has a bug because early return statements are missing. This pull request adds those statements.Concretely, in the case where the file we are switching away from does not exist in the target worktree, we do not return and hence both execute the change command and call
nvim_set_current_buf, hence unintentionally opening an empty buffer.