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Fri, 29 May 2026 18:52:38 -0400 (EDT) From: Junio C Hamano To: Luna Schwalbe Cc: Kristoffer Haugsbakk , git@vger.kernel.org Subject: Re: [BUG] internal date format does not accept small unix timestamps In-Reply-To: <08a04d91-af90-44dd-b28f-f3d5b9e77413@luna.gl> (Luna Schwalbe's message of "Fri, 29 May 2026 16:52:38 +0200") References: <08a04d91-af90-44dd-b28f-f3d5b9e77413@luna.gl> Date: Sat, 30 May 2026 07:52:37 +0900 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 Luna Schwalbe writes: > > Apparently you need `@` in front for small Unix Epoch values. `@0 +0000` > > That is wonderful, thank you so much, I somehow did not find this small > detail anywhere. > > Maybe it could be added to Documentation/date-formats.adoc? > > Luna Good suggestion. This was introduced in 116eb3ab (parse_date(): allow ancient git-timestamp, 2012-02-02) and 2c733fb2 (parse_date(): '@' prefix forces git-timestamp, 2012-02-02) to allow specifying "ancient" timestamps (like 0 +0000) without conflicting with YYYYMMDD date formats. I do not think neither commit added documentation for this '@' prefix, and Documentation/date-formats would be an excellent place to do so. Care to whip up a patch? Thanks.