On Tue, Nov 27, 2012 at 4:26 PM, Felipe Contreras
<felipe.contre...@gmail.com> wrote:
> On Wed, Nov 28, 2012 at 1:12 AM, Eric S. Raymond <e...@thyrsus.com> wrote:
>> Shawn Pearce <spea...@spearce.org>:
>>> Well... if we added a fractional seconds to a commit, older versions
>>> of Git will scream loudly and refuse to work with the new commit. That
>>> would create a fork of Git.
>> So much for that idea, I guess.
>> Unless..I don't know how git's database representations work.  Are they
>> version-stamped in any way?  If so, some slightly painful hackery would
>> get around that problem.
> % git cat-file -p HEAD
> You'll see exactly how git stores commits. Changing anything in there
> must be done carefully.

Apparently there is no room to change in these fields without breaking
compatibility with all current versions of Git. So its not just done
carefully... its deciding to make Git 2.0 that is not compatible with
any Git 1.x release.
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