From patchwork Tue Jan 17 04:33:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lin Ma X-Patchwork-Id: 9519907 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EEEC06043D for ; Tue, 17 Jan 2017 04:34:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DEB5128441 for ; Tue, 17 Jan 2017 04:34:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D1A8428494; Tue, 17 Jan 2017 04:34:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7647F28441 for ; Tue, 17 Jan 2017 04:34:37 +0000 (UTC) Received: from localhost ([::1]:32875 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTLTf-00084G-QF for patchwork-qemu-devel@patchwork.kernel.org; Mon, 16 Jan 2017 23:34:35 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58169) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTLTR-00084B-P7 for qemu-devel@nongnu.org; Mon, 16 Jan 2017 23:34:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cTLTM-0003Jh-RK for qemu-devel@nongnu.org; Mon, 16 Jan 2017 23:34:21 -0500 Received: from prv3-mh.provo.novell.com ([137.65.250.26]:43885) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cTLTM-0003J5-Gz for qemu-devel@nongnu.org; Mon, 16 Jan 2017 23:34:16 -0500 Received: from linux-xpcv.apac.novell.com (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by prv3-mh.provo.novell.com with ESMTP (NOT encrypted); Mon, 16 Jan 2017 21:33:59 -0700 From: Lin Ma To: qemu-devel@nongnu.org Date: Tue, 17 Jan 2017 12:33:48 +0800 Message-Id: <20170117043348.21314-1-lma@suse.com> X-Mailer: git-send-email 2.9.2 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 137.65.250.26 Subject: [Qemu-devel] [PATCH] Makefile: Fix owner and group for qemu-version.h.tmp X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, famz@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP By commit 67a1de0d, When we perform 'git pull && make && sudo make install', In 'make' stage a qemu-version.h.tmp will be generated. If the content of qemu-version.h.tmp and qemu-version.h aren't consistent, The qemu-version.h.tmp will be renamed to qemu-version.h. Because of the target FORCE, The same action will be do again in 'make install' stage. In 'make install' stage, If there is no qemu-version.h.tmp exists and we run 'make install' with sudo, The owner and group of new qemu-version.h.tmp will be privileged user/group. When we run 'make' next time, qemu-version.h.tmp can't be overwritten because of permission issue. This patch uses 'cp' instead of 'mv' to keep the qemu-version.h.tmp file, So during the 'sudo make install' stage, new qemu-version.h.tmp's owner and group wont be set to privileged user/group. Signed-off-by: Lin Ma --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 1a8bfb2..1ca45b2 100644 --- a/Makefile +++ b/Makefile @@ -184,7 +184,7 @@ qemu-version.h: FORCE printf '""\n'; \ fi; \ fi) > $@.tmp) - $(call quiet-command, cmp -s $@ $@.tmp || mv $@.tmp $@) + $(call quiet-command, cmp -s $@ $@.tmp || cp $@.tmp $@) config-host.h: config-host.h-timestamp config-host.h-timestamp: config-host.mak