On Sat, Dec 14, 2013 at 03:43:53PM +1100, Jason White wrote:

...
> Yes, of course it's possible to change the date stamp of files and avoid the
> detection of modifications, when date stamps are relied on. However, it's
> obviously more efficient to check date stamps than to compute hashes of file
> contents, users generally don't change the former, and a version control
> system isn't a security tool designed to resist unexpected user behaviour. As
> I remember, cvs and svn both use date stamps. It's interesting that Git has
> opted for a different trade-off in this case, a reasonable decision to make,
> arguably, but one which has its efficiency costs.

Don't forget, git is distributed.  Neither cvs nor svn is by nature.

Karl
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