How can I clean my .git folder? Cleaned up my project directory, but .git is still massive

Question

The .git/objects in my rails project directory is still massive, after deleting hundreds of Megabytes of accidentally generated garbage.

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Answer 1

If you still have a large repo after pruning and repacking (gc --aggressive --prune=tomorrow...) then you can simply go looking for the odd one out:

git rev-list --objects --all |
    while read sha1 fname
    do 
        echo -e "$(git cat-file -s $sha1)\t$\t$fname"
    done | sort -n

This will give you a sorted list of objects in ascending size. You could use git-filter-branch to remove the culprit from your repo.

See "Removing Objects" in http://progit.org/book/ch9-7.html for guidance