From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <gentoo-commits+bounces-1520659-garchives=archives.gentoo.org@lists.gentoo.org> Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 4266D15806E for <garchives@archives.gentoo.org>; Tue, 23 May 2023 00:26:26 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7D236E0966; Tue, 23 May 2023 00:26:25 +0000 (UTC) Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (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) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 5FED6E0966 for <gentoo-commits@lists.gentoo.org>; Tue, 23 May 2023 00:26:25 +0000 (UTC) Received: from oystercatcher.gentoo.org (oystercatcher.gentoo.org [148.251.78.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 57A79335D8A for <gentoo-commits@lists.gentoo.org>; Tue, 23 May 2023 00:26:24 +0000 (UTC) Received: from localhost.localdomain (localhost [IPv6:::1]) by oystercatcher.gentoo.org (Postfix) with ESMTP id 7B5D9A79 for <gentoo-commits@lists.gentoo.org>; Tue, 23 May 2023 00:26:21 +0000 (UTC) From: "Sam James" <sam@gentoo.org> To: gentoo-commits@lists.gentoo.org Content-Transfer-Encoding: 8bit Content-type: text/plain; charset=UTF-8 Reply-To: gentoo-dev@lists.gentoo.org, "Sam James" <sam@gentoo.org> Message-ID: <1684801549.7ca20833feaeaa8364b0ef4911cb81ccfa041de4.sam@gentoo> Subject: [gentoo-commits] proj/portage:master commit in: / X-VCS-Repository: proj/portage X-VCS-Files: NEWS X-VCS-Directories: / X-VCS-Committer: sam X-VCS-Committer-Name: Sam James X-VCS-Revision: 7ca20833feaeaa8364b0ef4911cb81ccfa041de4 X-VCS-Branch: master Date: Tue, 23 May 2023 00:26:21 +0000 (UTC) Precedence: bulk List-Post: <mailto:gentoo-commits@lists.gentoo.org> List-Help: <mailto:gentoo-commits+help@lists.gentoo.org> List-Unsubscribe: <mailto:gentoo-commits+unsubscribe@lists.gentoo.org> List-Subscribe: <mailto:gentoo-commits+subscribe@lists.gentoo.org> List-Id: Gentoo Linux mail <gentoo-commits.gentoo.org> X-BeenThere: gentoo-commits@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Archives-Salt: ecca8f87-21f8-4497-93cb-f3d8b2a7a36b X-Archives-Hash: 1528716b210af25d95a9ccaeea145b1e commit: 7ca20833feaeaa8364b0ef4911cb81ccfa041de4 Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Tue May 23 00:25:49 2023 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Tue May 23 00:25:49 2023 +0000 URL: https://gitweb.gentoo.org/proj/portage.git/commit/?id=7ca20833 NEWS: update for merge improvements w/ CoW Bug: https://bugs.gentoo.org/722270 Signed-off-by: Sam James <sam <AT> gentoo.org> NEWS | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/NEWS b/NEWS index baf1140f8..429669eaf 100644 --- a/NEWS +++ b/NEWS @@ -4,6 +4,15 @@ Breaking changes: * Output deprecation warnings for portageq, prepstrip and prepallstrip when they are called from an ebuild (bug #906129, bug #906156). +Features: +* Optimize merge process by only writing files to disk if a package's + contents have changed. This is particularly beneficial on CoW filesystems + with snapshots. This is always enabled. See bug #722270. + + This also adds an additional optional optimization to overwrite only if + the hashes have changed, via FEATURES="ignore-mtime". Note that this violates + a condition in PMS so should not be relied upon. It is off by default. + Bug fixes: * fowners, fperms: Fix handling of relative pathnames (bug #905223).