[Nix-dev] fetchgit - why sha256 protection?

[Nicolas Pierron]

On Sun, Nov 18, 2012 at 10:11 PM, Marc Weber <marco-oweber at gmx.de> wrote:
> Isn't it enough to depend on the git's hash value, eg
>
>   fetchgit { git_hash = "xxx"; url = "yyy"; }
>
> Is compromising a git repository (even using shallow clones) that much
> easier than compromising a .tar.* file protected by sha256?

That would be better because there is no trivial way to check the
sha256 when making the Nix expression.
How does git distinguish a branchnamed after a revision?

-- 
Nicolas Pierron
http://www.linkedin.com/in/nicolasbpierron - http://nbp.name/