Git - how to recover from a missing blob

Question

I\'m running git 1.6.4.2. Garbage collection is failing saying \"error: unable to find \".

I\'ve managed to determine that the missing obje

Answer 1

I had the same problem (missing blob) and the solution with

git reflog expire --expire=now --all

didn't do the trick. I found my solution here : https://git.wiki.kernel.org/index.php/GitFaq#How_to_fix_a_broken_repository.3F

This simple line

git hash-object -w <file>

Fixed the missing blob.

Hope this helps.

Answer 2

After a bit more digging it turns out that my question is answered here: How to delete a blob from git repo - git prune wasn't pruning the stuff I'd wound back because the reflog was still referring to it. Running

git reflog expire --expire=now --all

fixed that. Also, the referenced post gives a mechanism for running git lstree on every commit to find the referenced blob.