From owner-freebsd-current@freebsd.org Mon Jan 4 16:58:44 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 351E44DC362 for ; Mon, 4 Jan 2021 16:58:44 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4D8hfW15Z5z3JRK for ; Mon, 4 Jan 2021 16:58:42 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (v-critter.freebsd.dk [192.168.55.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by phk.freebsd.dk (Postfix) with ESMTPS id 1BEF58A3CB; Mon, 4 Jan 2021 16:58:41 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.16.1/8.16.1) with ESMTPS id 104GweSM094449 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 4 Jan 2021 16:58:40 GMT (envelope-from phk@critter.freebsd.dk) Received: (from phk@localhost) by critter.freebsd.dk (8.16.1/8.16.1/Submit) id 104Gwe8H094448; Mon, 4 Jan 2021 16:58:40 GMT (envelope-from phk) To: John Kennedy cc: Current FreeBSD Subject: Re: git non-time-sequential logs In-reply-to: From: "Poul-Henning Kamp" References: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <94446.1609779520.1@critter.freebsd.dk> Content-Transfer-Encoding: quoted-printable Date: Mon, 04 Jan 2021 16:58:40 +0000 Message-ID: <94447.1609779520@critter.freebsd.dk> X-Rspamd-Queue-Id: 4D8hfW15Z5z3JRK X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.95 / 15.00]; RCVD_TLS_ALL(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[130.225.244.222:from]; FREEFALL_USER(0.00)[phk]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.dk]; ARC_NA(0.00)[]; SPAMHAUS_ZRD(0.00)[130.225.244.222:from:127.0.2.255]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.95)[-0.945]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FORGED_SENDER(0.30)[phk@phk.freebsd.dk,phk@critter.freebsd.dk]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:1835, ipnet:130.225.0.0/16, country:EU]; FROM_NEQ_ENVFROM(0.00)[phk@phk.freebsd.dk,phk@critter.freebsd.dk]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jan 2021 16:58:44 -0000 -------- John Kennedy writes: > This might be perfectly natural and just new to me, but when I look at t= he > git logs this morning I see things like this (editing by me): > > Date: Mon Jan 4 17:30:00 2021 +0100 > Date: Mon Dec 14 18:56:56 2020 +0100 > Date: Tue Dec 15 13:50:00 2020 +0100 > Date: Mon Jan 4 16:23:10 2021 +0100 > > I've always assumed that the "Date:" there was when the commit happene= d, It is, but it is the time it was committed in the first git repos it was c= ommitted to, in this case the repos of the committer in question. Without taking a position on the merits of this design-choice, I just want to point out that it means that timestamps should be viewed very sceptically, since they depend on the *local* clock on somebodys computer, not on the central repos machine. -- = Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe = Never attribute to malice what can adequately be explained by incompetence= .