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SubjectRe: Mercurial vs Updated git HOWTO for kernel hackers
On Tue, June 28, 2005 4:27 pm, Kyle Moffett said:
> On Jun 28, 2005, at 14:01:57, Matt Mackall wrote:
>> Everything in Mercurial is an append-only log. A transaction journal
>> records the original length of each log so that it can be restored on
>> failure.
> Does this mean that (excepting the "undo" feature) one could set the
> ext3 "append-only" attribute on the repository files to avoid losing
> data due to user account compromise?

Probably. In Git, which is a bit more flexible than Mecurial you can
chmod your objects to read-only or use the ext3 immutable setting to
protect your existing objects. You can even have a setup where objects
are archived onto write-once media like DVD and still participate in a
live repository, where new objects are written to hard disk, but older
object are (automatically) sourced from the DVD.


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