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Mon, 13 Jul 2026 18:48:47 -0400 (EDT) From: Junio C Hamano To: Ted Nyman Cc: git@vger.kernel.org, Taylor Blau , Jeff King , Patrick Steinhardt , Karthik Nayak , "brian m. carlson" , =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason Subject: Re: [PATCH 0/2] packfile URIs: support concurrent downloads In-Reply-To: (Ted Nyman's message of "Mon, 13 Jul 2026 15:34:21 -0700") References: Date: Mon, 13 Jul 2026 15:48:46 -0700 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Ted Nyman writes: > Packfile URI downloads currently stage a pack at > objects/pack/pack-.pack.temp. Two Git processes fetching the same > pack into one object database can append to that file concurrently, > which can corrupt the temporary pack or cause a resume request at EOF. > > The first patch gives each direct packfile URI download a private > temporary file. Ordinary dumb HTTP pack requests retain their existing > resumable staging behavior. A later packfile URI retry starts a new > download. > > The second patch handles the related .keep race. When another process > has already created the keep file, index-pack reports "pack" > instead of "keep". Accept both successful forms and remove > only keep files created by the current process. > > Each patch adds a regression test for its respective race. > > Ted Nyman (2): > http: use unique tempfiles for packfile URI downloads > fetch-pack: accept "pack" output for packfile URIs This cover letter has Message-ID: but in the header of [PATCH 1/2] has Message-ID: References: In-Reply-To: Similarly, [PATCH 2/2] has Message-ID: References: In-Reply-To: And "b4 am" seems to be having problem grabbing the patchset X-<.