Re: Validation of a commit object?

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Shawn Pearce <spearce@xxxxxxxxxxx> writes:

> I'm thinking that can't be right.  Shouldn't fsck-objects be doing
> better checking on commits?
>
> The reason I ask is I'm working on my (bastard) fast-import program
> for Jon's Mozilla CVS -> GIT conversion effort and I'm taking the
> author and committer lines blind from the Python code.  If the
> Python code gives me a bad line its going to go into the pack that
> way, with that possibly resulting in a totally corrupt repository.
> I hoped to apply the same verification that fsck-objects applies
> but apparently it doesn't do anything.  :-)
>
> I'm willing to write some better validation in fsck-objects.c
> and submit the patch if folks think we should do stronger checks
> in there.

Historical repositories (e.g. very early days of git, linux-2.6
just after 2.6.12-rc2, and sparse) used to have commit objects
that recorded committer dates in RFC2822 format not the current
unixtime format.  I think all of them have been converted later,
but not warning or checking these fields may be related to it.

In general stricter check is always preferred.  I just wanted to
mention the older repositories as something we might want to
keep in mind.

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