Linus Torvalds wrote:
On Tue, 17 Apr 2007, Andy Parkins wrote:
Adding expansion is harder, as I have no clue which calls to make to find
even the most basic information about an object; but I thought I'd get
feedback before I expend that effort.
Adding expansion is not just "harder". It's basically impossible to do
with any kind of performance.
Think "git checkout newbranch".
And think what we do about files (and whole subdirectories!) that haven't
even changed. And finally, think about how important that optimization is
in an SCM like git that supports branches.
Well, if the only keyword we support is $BlobId:$, then if the
tree/object hasn't changed, then we still don't need to touch the object.
Not so?
Rogan
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