Re: should git download missing objects?

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Junio C Hamano, Sun, Nov 12, 2006 20:41:23 +0100:
> Since this is not everyday anyway, a far easier way would be to
> clone-pack from the upstream into a new repository, take the
> pack you downloaded from that new repository and mv it into your
> corrupt repository.  You can run fsck-objects to see if you got
> back everything you lost earlier.

I get into such a situation annoyingly often, by using
"git clone -l -s from to" and doing some "cleanup" in the
origin repository. For example, it happens that I remove a tag,
or a branch, and do a repack or prune afterwards. The related
repositories, which had "accidentally" referenced the pruned
objects become "corrupt", as you put it.

At the moment, if I run into the situation, I copy packs/objects from
all repos I have (objects/info/alternates are useful here too), run a
fsck-objects/repack and hope nothing is lost. It works, as I almost
always have "accidental" backups somewhere, but is kind of annoying to
setup. A tool to do this job more effectively will be very handy (at
least, it wont have to copy gigabytes of data over switched windows
network. Not often, I hope. Not _so_ many gigabytes, possibly).

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