From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff King <peff@peff.net>
Subject: Re: Creating objects manually and repack
Date: Thu, 3 Aug 2006 23:58:03 -0400
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On Thu, Aug 03, 2006 at 11:43:42PM -0400, Jon Smirl wrote:

> I've made 500K object files with my cvs2svn front end. This is 500K of
> revision files and no tree files. Now I run get-repack. It says done
> counting zero objects. What needs to be update so that repack will
> find all of my objects?

git-repack starts at your heads and works its way down. You can either:
  - make a dummy commit for a tree with all of your blobs:
    $ while read sha1; do
        echo -e "100644 blob $sha1\t$sha1"
      done <list_of_sha1s | git-update-index --index-info
      tree=$(git-write-tree)
      commit=$(git-commit-tree $tree)
      git-update-ref HEAD $commit

  - call git-pack-objects directly with a list of objects
      git-pack-objects .git/objects/pack/pack <list_of_sha1s

Obviously the latter is simpler, but the former will also make
git-fsck-objects happy. Note that they're both untested, so there might
be typos.

-Peff