Adam Borowski <> writes:

> Hi guys!
> It looks like the periodic auto-repack backgrounds itself when it shouldn't
> do so.  This causes the command it has triggered as a part of to fail:

Yikes.  In the meantime, I think you can turn gc.autodetach off as a
workaround, e.g.

    $ git config --global --add gc.autodetach off

Duy, 9f673f94 (gc: config option for running --auto in background,
2014-02-08) turns to be not such a hot idea.  Sure, if we kick it
off background after doing something heavy, immediately before
giving control back to the end-user, and expect that the user will
stay thinking without making new changes (i.e. read-only stuff like
"git show" would be OK), then daemonize might be a great thing, but
we forgot, while doing that commit, that long-running operations
trigger the auto gc in the middle *and* they want it finish before
they continue, as the purpose of gc is to help the performance
during their further operation.

> ==========================================================================
> [~/linux](master)$ git pull --rebase
> remote: Counting objects: 455, done.
> remote: Compressing objects: 100% (64/64), done.
> remote: Total 267 (delta 208), reused 262 (delta 203)
> Receiving objects: 100% (267/267), 44.43 KiB | 0 bytes/s, done.
> Resolving deltas: 100% (208/208), completed with 80 local objects.
> From git://
>    4b660a7..f02f79d  master     -> linus/master
> Auto packing the repository in background for optimum performance.
> See "git help gc" for manual housekeeping.
> First, rewinding head to replay your work on top of it...
> Applying: perf: tools: fix missing casts for printf arguments.
> Applying: vt: emulate 8- and 24-bit colour codes.
> fatal: Unable to create '/home/kilobyte/linux/.git/refs/heads/master.lock': 
> File exists.
> If no other git process is currently running, this probably means a
> git process crashed in this repository earlier. Make sure no other git
> process is running and remove the file manually to continue.
> Could not move back to refs/heads/master
> [~/linux]((no branch, rebasing (null)))$
> ==========================================================================
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