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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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