On 7/19/07, Junio C Hamano <gitster@xxxxxxxxx> wrote:
Side note: I also think adding "extension section" to tree
object is not a good idea to begin with. The data nor length of
such a section cannot participate in hash computation to derive
the tree's object name so that we can still compare two tree
objects (with and without such extension) that have the same
contents by only looking at their object names. But having
contents that are not counted as parts of the object's name goes
against the reliability and safety of git.
Excuse me for being brand new to this list and to git itself, but if
the issue is where to put "extra" data to go along with a given object
there should be a relatively simple way to do it. If your object's
hash/name is X, take the string ("%s-extra", X), hash that, and use
the resulting hash as the name of the file to store whatever extra
data you have. There would be the issue of when and how to move this
new file when the original file is moved, but old versions of git at
least wouldn't break, they'd just never know about the extra data in
the separate file. Of course you could do endless variations of this
to store whatever classes of extra data separately.
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