Re: Repository authenticity question

["Kārlis Repsons" <karlis.repsons@gmail.com>]

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On Saturday 13 June 2009 15:45:04 you wrote:
> Kārlis Repsons venit, vidit, dixit 13.06.2009 17:26:
> > Hi,
> > It would be good to know what did Linus meant, when he said "and they
> > will fail" about people, who would try changing some git projects'
> > history (that is, the content, that is added already)? If I loose my
> > repository completely, can I still know, that those contributions there
> > are the same after I pull and how? What contents can be deleted, while
> > still retaining consistency?
> >
> > Regards,
> > Kārlis
>
> The sha1 ("object name") of a commit depends not only on its contents,
> but on all its predecessors. So if you know one commit's sha1 to be
> "original" you know for all its ancestors.
>
> Michael

So, if I clone someone else's git archive, sha1 of a known commit must be 
compared and what else? How to check if all of archive's sha1-s are identical 
to its contents and every content is included?

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