From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,RCVD_IN_SORBS_SPAM,RP_MATCHES_RCVD,T_DKIM_INVALID shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E70892023D for ; Wed, 17 May 2017 03:41:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752732AbdEQDl3 (ORCPT ); Tue, 16 May 2017 23:41:29 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:33532 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751368AbdEQDl0 (ORCPT ); Tue, 16 May 2017 23:41:26 -0400 Received: by mail-pf0-f193.google.com with SMTP id f27so104513pfe.0 for ; Tue, 16 May 2017 20:41:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=gHUqxoMLWLby1nB7IjBN2/r68GANFTO17uQzYKmTaoE=; b=X8+n4Spqtrhvd8ITdyyMtISeMNPstZa+chApSII8nderN+1QsMrClY7BeB+4/Hx1sk 4iGceJGNKVmeyHzKYdOnNFlABkgIkb/YaDRl6ehjxDMPbpQV+Ruby1YDleOyaDN3NgSO c6vy5KnhDLpd42O3l+SmrBjgTcU8Y9rDcwmuRkNTr2vKZMGK3FD1ZMqsa1Xolvb+0g3c VYHlKglQSNNYaPa8QeD9kKIQ8C4PIlEnSo993jaGiK1jA3Srl9ysr1lOKAnhRtJbzbxf 8FD01hAIcIg7HZu4RFhqdFaHyDj09jpj9qz6alIU0xpmukLvbv4q2twSsqnUoKYlLS66 PfeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=gHUqxoMLWLby1nB7IjBN2/r68GANFTO17uQzYKmTaoE=; b=O7sVgQ+hevsAKIILyWd9vAkotIqe9RAOEE1qulh/y5pIrsNcNQo0CiJurv5gEOiZtb XlCwqZcY8G/g7twqR3unqaDWF0STgtrKvvVrAMKwD/pw8VPWkgw9vvKfpogcqJf6zaxV Dfotx1nDilPxeS+Se/+BujkqIeZpjW2ZBMO5mBPtiEZSrq4vC86kFiiCjbJbBbnDZHpb eSKnMYLGc0flf+awPKRHiVoKAYfw6covBQFu7zaKWCzgsldiUtJvOglFML6bMsfXTTgP kE5KJ+RHP2eVlV5su1/EjcN8PuT6UY7v7ptK6ZooWRGOwm0sTuYRSUOtMcprKW/nAoWV P6yA== X-Gm-Message-State: AODbwcDEKJpBgQm4wmLFKg/5IozvsdoDwDpVGQcdcH4Oqn90y2cKnTzV AAW4m87bGu+jF8PmPlQMeA== X-Received: by 10.84.131.67 with SMTP id 61mr1709313pld.8.1494992480410; Tue, 16 May 2017 20:41:20 -0700 (PDT) Received: from localhost ([2620:0:1000:8622:78bf:56b6:7690:fdbd]) by smtp.gmail.com with ESMTPSA id q9sm793244pfg.77.2017.05.16.20.41.19 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 16 May 2017 20:41:19 -0700 (PDT) From: Junio C Hamano To: Jeff King Cc: Brandon Williams , git@vger.kernel.org, j6t@kdbg.org, sbeller@google.com, e@80x24.org, jrnieder@gmail.com Subject: Re: [PATCH v6 04/11] run-command: use the async-signal-safe execv instead of execvp References: <20170418231805.61835-1-bmwill@google.com> <20170419231327.49895-1-bmwill@google.com> <20170419231327.49895-5-bmwill@google.com> <20170517022602.jj26pf7eypxp2fjm@sigill.intra.peff.net> Date: Wed, 17 May 2017 12:41:19 +0900 In-Reply-To: <20170517022602.jj26pf7eypxp2fjm@sigill.intra.peff.net> (Jeff King's message of "Tue, 16 May 2017 22:26:02 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Jeff King writes: > This is about finding "/usr/bin/foo", realizing it cannot be exec'd > because it lacks a shebang line, and then pretending that it did have > "#!/bin/sh". IOW, maintaining compatibility with execvp(). > > So the command itself isn't a shell command, but it may execute a shell > script. If that makes sense. Ah, OK. Thanks.