From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id A0F001F516 for ; Fri, 29 Jun 2018 15:15:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936434AbeF2PPK (ORCPT ); Fri, 29 Jun 2018 11:15:10 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:56221 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934241AbeF2PPI (ORCPT ); Fri, 29 Jun 2018 11:15:08 -0400 Received: by mail-wm0-f67.google.com with SMTP id v16-v6so2570650wmv.5 for ; Fri, 29 Jun 2018 08:15:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Y9tiL2vVE7tJZ34PgdxwhL5qcFo8FNcq+pbkhcLOU9k=; b=B/OraNZB9JTuDKQtvwVJ22WDT/umBuZXVr1EQ8E2O4i7OWqEtB/o9MPNhHrRkqnD2O 2gZs74cdNYYe1TExFYCHBLux5svNtHR6C7UXMCSN8L2BABOhvDldXn9CT4xKT18V6lIU hjrN2NHwXPKwLKDed/vWkHZVNRe5yw5HRTxHNALh4gTSJgucuUI+gs587Sjf/DWOoYc4 CAQEuotXZ+Ar+VUgNDnZRNrnGPGmSf1TxPcP9o44zNz0owXQ9XvUwFJdqmjBX2pNdIdw MjTRp56GMldFOt49/bcrwiyhx9FN/fKOdwo9SOCi7AaispLsJtYPan9iGvCTOb1rGOH9 3XmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Y9tiL2vVE7tJZ34PgdxwhL5qcFo8FNcq+pbkhcLOU9k=; b=HTuHdmpIfFlCeBrPNO8UskqtGdtoOwVUGx/CkynOaacrAkD89aiZemV6EJR/yT/xHd M04/zcJlZUgUMqMaUwYHarV27tN904t7kZ1te5686ZBDA8tL3pIFE+4Ji6p1E/B1GAm4 XTju8I9vRAHHoc7wb4KC4fDVxH30LJiEC105w7r3umsmg0wpzy9F3ZYbYN+E4UoNZCPU +O1CE2olGr7nK7cA9+QtfwwmFjo9v6k95pMUFxnRlW81hlDFceOYISe9sM08curttvjr Vg5C4uqK+YIQXaSIUTcKf07tIOt6OPIMnpfa8B6a3scEwGudJ24YmimDzboKeRuSuUwD y+nQ== X-Gm-Message-State: APt69E03PCvKRM4cCyXdqceRhicLoED8xYYYnaQ/CiRW6hNtlqZRSXKS Oia7CXMM7ytJ0tZVk5AG1eypLeq+ X-Google-Smtp-Source: AAOMgpe4oV+Ud8ltjQuOocAvwLb2eyZwNSxqmXcSZM3E3mdNQOEDEPEahj2shy6tDPUBavV55plj5Q== X-Received: by 2002:a1c:c541:: with SMTP id v62-v6mr2143926wmf.57.1530285306557; Fri, 29 Jun 2018 08:15:06 -0700 (PDT) Received: from localhost.localdomain (AToulouse-658-1-72-143.w92-156.abo.wanadoo.fr. [92.156.124.143]) by smtp.googlemail.com with ESMTPSA id l78-v6sm3301601wmb.39.2018.06.29.08.15.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 Jun 2018 08:15:05 -0700 (PDT) From: Alban Gruin To: git@vger.kernel.org Cc: Stefan Beller , Christian Couder , Pratik Karki , Johannes Schindelin , phillip.wood@dunelm.org.uk, Alban Gruin Subject: [GSoC][PATCH v5 1/3] sequencer: add a new function to silence a command, except if it fails. Date: Fri, 29 Jun 2018 17:14:33 +0200 Message-Id: <20180629151435.31868-2-alban.gruin@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180629151435.31868-1-alban.gruin@gmail.com> References: <20180625134419.18435-1-alban.gruin@gmail.com> <20180629151435.31868-1-alban.gruin@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org This adds a new function, run_command_silent_on_success(), to redirect the stdout and stderr of a command to a strbuf, and then to run that command. This strbuf is printed only if the command fails. It is functionnaly similar to output() from git-rebase.sh. run_git_commit() is then refactored to use of run_command_silent_on_success(). Signed-off-by: Alban Gruin --- sequencer.c | 51 +++++++++++++++++++++++++-------------------------- 1 file changed, 25 insertions(+), 26 deletions(-) diff --git a/sequencer.c b/sequencer.c index cb7ec9807..d9545b366 100644 --- a/sequencer.c +++ b/sequencer.c @@ -769,6 +769,23 @@ N_("you have staged changes in your working tree\n" #define VERIFY_MSG (1<<4) #define CREATE_ROOT_COMMIT (1<<5) +static int run_command_silent_on_success(struct child_process *cmd) +{ + struct strbuf buf = STRBUF_INIT; + int rc; + + cmd->stdout_to_stderr = 1; + rc = pipe_command(cmd, + NULL, 0, + NULL, 0, + &buf, 0); + + if (rc) + fputs(buf.buf, stderr); + strbuf_release(&buf); + return rc; +} + /* * If we are cherry-pick, and if the merge did not result in * hand-editing, we will hit this commit and inherit the original @@ -823,18 +840,11 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, cmd.git_cmd = 1; - if (is_rebase_i(opts)) { - if (!(flags & EDIT_MSG)) { - cmd.stdout_to_stderr = 1; - cmd.err = -1; - } - - if (read_env_script(&cmd.env_array)) { - const char *gpg_opt = gpg_sign_opt_quoted(opts); + if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) { + const char *gpg_opt = gpg_sign_opt_quoted(opts); - return error(_(staged_changes_advice), - gpg_opt, gpg_opt); - } + return error(_(staged_changes_advice), + gpg_opt, gpg_opt); } argv_array_push(&cmd.args, "commit"); @@ -864,21 +874,10 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, if (opts->allow_empty_message) argv_array_push(&cmd.args, "--allow-empty-message"); - if (cmd.err == -1) { - /* hide stderr on success */ - struct strbuf buf = STRBUF_INIT; - int rc = pipe_command(&cmd, - NULL, 0, - /* stdout is already redirected */ - NULL, 0, - &buf, 0); - if (rc) - fputs(buf.buf, stderr); - strbuf_release(&buf); - return rc; - } - - return run_command(&cmd); + if (is_rebase_i(opts) && !(flags & EDIT_MSG)) + return run_command_silent_on_success(&cmd); + else + return run_command(&cmd); } static int rest_is_empty(const struct strbuf *sb, int start) -- 2.18.0