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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [RFC PATCH] image.bbclass: create separate task for creating reproducible image Content-Language: en-US To: Venkata.Pyla@toshiba-tsip.com, isar-users@googlegroups.com Cc: felix.moessbauer@siemens.com, roberto.foglietta@gmail.com, henning.schild@siemens.com, kazuhiro3.hayashi@toshiba.co.jp, dinesh.kumar@toshiba-tsip.com References: <20230227075032.28099-1-venkata.pyla@toshiba-tsip.com> <2b5a3e90-f71d-cb09-f8ec-1d7df078f88b@siemens.com> From: Jan Kiszka In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: FR2P281CA0027.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::14) To AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:20b:588::19) Return-Path: jan.kiszka@siemens.com MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS4PR10MB6181:EE_|AM7PR10MB3223:EE_ X-MS-Office365-Filtering-Correlation-Id: 71bfc315-03e3-49d3-9f4b-08db18a9d407 X-LD-Processed: 38ae3bcd-9579-4fd4-adda-b42e1495d55a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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isar-users@googlegroups.com >> Cc: felix.moessbauer@siemens.com; roberto.foglietta@gmail.com; >> henning.schild@siemens.com; hayashi kazuhiro(林 和宏 □ＳＷＣ◯ＡＣＴ) >> ; dinesh kumar(ＴＳＩＰ TMIEC ODG >> Porting) >> Subject: Re: [RFC PATCH] image.bbclass: create separate task for creating >> reproducible image >> >> On 27.02.23 08:50, venkata.pyla@toshiba-tsip.com wrote: >>> From: venkata pyla >>> >>> Currently the reproducible fix for setting same file timestamps across >>> builds is present in the function `do_rootfs_finalize` and this fix >>> may be skipped for the tasks that are added after this task or >>> `do_rootfs` for e.g. in one of the child project(CIP) for swupdate >>> target it adds additional task `do_generate_image_uuid` that is added >>> after `do_rootfs` this task is updating some contents in the rootfs >>> which is skipping the reproducible fix was applied in `do_rootfs_finalize`. >>> >>> For this reason a separate task `do_image_make_reproducible` is >>> created which should call before the final target image is created >>> [tar, wic, squashfs] so that it applies reproducible fixes just before >>> image creation. >>> >>> RFC: >>> In this patch I tried below dependency[1] for the function to solve >>> the above problem, it works now but I am not sure whether it guarantee >>> always this task `do_image_make_reproducible` will run just before >>> `do_image_[tar,wic,squashfs]` tasks or does it need more changes to >>> make it guarantee, any suggestions? >>> >>> [1] addtask image_make_reprodcible after do_rootfs before do_image >>> >> >> Isn't it possible to adjust isar-cip-core to perform do_generate_image_uuid >> before do_rootfs_finalize? Didn't check all details yet, just wondering. >> > > Yeah that should be possible by changing its dependencies order, > but I just tried if it can be fixed in base recipes to address this problem commonly. Well, the question is if the rather imprecise ordering in downstream isn't the actual issue. Or do you see other values in factoring this thing here out into an own task? Jan -- Siemens AG, Technology Competence Center Embedded Linux