Re: [PATCH] perf: work around the tested repo having an index.lock
- From
Junio C Hamano <gitster@pobox.com>
- Date
- Jun 2, 2017, 23:52 UTC
- Message-ID
- <xmqqd1amx80f.fsf@gitster.mtv.corp.google.com>
- In-Reply-To
- <20170602184506.x2inwswmcwafyvfy@sigill.intra.peff.net>
Jeff King <peff@peff.net> writes:
Show 14 quoted lines
> But I think a more compelling case is that there may be an ongoing > operation in the original repo (e.g., say you are in the middle of > writing a commit message) when we do a blind copy of the filesystem > contents. You might racily pick up a lockfile. > > Should we find and delete all *.lock files in the copied directory? That > would get ref locks, etc. Half-formed object files are OK. Technically > if you want to get an uncorrupted repository you'd also want to copy > refs before objects (in case somebody makes a new object and updates a > ref while you're copying). > > I don't know how careful it's worth being. I don't really _object_ to > this patch exactly, but it does seem like it's picking up one random > case (that presumably you hit) and ignoring all of the related cases.
My feeling exactly. Diagnosing and failing upfront saying "well you made a copy but it is not suitable for testing" sounds more sensible at lesat to me.