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Mon, 7 Mar 2022 10:43:13 +0100 Message-ID: Date: Mon, 7 Mar 2022 10:43:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH 2/3] targz-img: Handle sparse files efficiently Content-Language: en-US To: Henning Schild CC: isar-users References: <20220307100202.77e9d11d@md1za8fc.ad001.siemens.net> From: Jan Kiszka In-Reply-To: <20220307100202.77e9d11d@md1za8fc.ad001.siemens.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-Path: jan.kiszka@siemens.com X-Originating-IP: [167.87.0.7] X-ClientProxiedBy: DEMCHDC8A0A.ad011.siemens.net (139.25.226.106) To DEMCHDC8A0A.ad011.siemens.net (139.25.226.106) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f4d37920-9255-411a-ba03-08da001ee6bd X-MS-TrafficTypeDiagnostic: VI1PR10MB1776:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Mar 2022 09:43:14.5777 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f4d37920-9255-411a-ba03-08da001ee6bd X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.70];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: HE1EUR01FT014.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR10MB1776 X-TUID: MFbtFez61lbp On 07.03.22 10:02, Henning Schild wrote: > Am Sat, 5 Mar 2022 17:34:49 +0100 > schrieb Jan Kiszka : > >> From: Jan Kiszka >> >> Saves space in case the image contains any sparse files. >> >> Signed-off-by: Jan Kiszka >> --- >> meta/classes/targz-img.bbclass | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/meta/classes/targz-img.bbclass >> b/meta/classes/targz-img.bbclass index bf94af02..638e7767 100644 >> --- a/meta/classes/targz-img.bbclass >> +++ b/meta/classes/targz-img.bbclass >> @@ -7,7 +7,7 @@ TARGZ_IMAGE_FILE = >> "${DEPLOY_DIR_IMAGE}/${IMAGE_FULLNAME}.tar.gz" >> do_targz_image() { >> rm -f ${TARGZ_IMAGE_FILE} >> - sudo tar -cvzf ${TARGZ_IMAGE_FILE} --one-file-system -C >> ${IMAGE_ROOTFS} . >> + sudo tar -cvzSf ${TARGZ_IMAGE_FILE} --one-file-system -C >> ${IMAGE_ROOTFS} . sudo chown $(id -u):$(id -g) ${TARGZ_IMAGE_FILE} > > I assume that can be unpacked with or without -S now, so no interface > change. right? > Yes, see also "man tar". Jan -- Siemens AG, Technology Competence Center Embedded Linux