git gc failure refers to object hash that's not referenced anywhere

Tag: git,git-gc

Recently, I noticed that when I've been git pulling my repo, it's been doing a git gc every single time. So I tried to run git gc manually, which gave me this error:

fatal: bad object 76cab35e0e21b7cf0bc8416661a67fbfb7f0e4ba
error: failed to run repack

I then tried to search .git/packed-refs and .git/objects/ and .git/index for this hash (and even tried just searching the filenames and contents of my entire .git/ directory for this hash), but it never appears. Neither does it appear in git fsck --full (which I guess probably refers to some files in .git/, so that makes sense).

How do I fix this? (I'm using git 2.3.2.)

Best How To :

This happens because reflog has references to entries that have somehow vanished from the filesystem. Running git gc with --prune="0 days" will remove all references that are older than now that aren't tracked in the remote origin, and should fix the issue.

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