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=-3.3 required=3.0 tests=AWL,BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 52B2B1F424 for ; Fri, 27 Apr 2018 21:39:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759245AbeD0Vjl (ORCPT ); Fri, 27 Apr 2018 17:39:41 -0400 Received: from mout.gmx.net ([212.227.17.21]:45673 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759082AbeD0Vjk (ORCPT ); Fri, 27 Apr 2018 17:39:40 -0400 Received: from localhost.localdomain ([37.201.195.116]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MBWIM-1f3y9x2d2U-00ASFV; Fri, 27 Apr 2018 23:39:35 +0200 From: Johannes Schindelin To: git@vger.kernel.org Cc: Johannes Schindelin , Junio C Hamano , Jakub Narebski , Stefan Beller , Eric Sunshine , Christian Couder , Philip Oakley Subject: [PATCH v6 02/11] commit: Let the callback of for_each_mergetag return on error Date: Fri, 27 Apr 2018 23:39:28 +0200 Message-Id: <97428f56890413d16f1487309972c446b61f784f.1524865158.git.johannes.schindelin@gmx.de> X-Mailer: git-send-email 2.17.0.windows.1.33.gfcbb1fa0445 MIME-Version: 1.0 In-Reply-To: References: Fcc: Sent Content-Type: text/plain; charset=UTF-8 X-Provags-ID: V03:K1:UD0XONirzMyUA7o0145h/3bd7A5qxFS5z7g/wvyqPoXPIY7FA/5 aVWAWeIJEzO97/IzQ7KiIXrBq4gVjsipCzHE1fsRPaWYJV2UyuOwj77MmhuwYhcxIEEhbUp S3f5Lcp2GgxNDH1Mhs6blEc/brlbq8xk5AzFWrPPL1ypAqMYExVaF6GFGUrBdzwnmdkPb4G bTmLb0uaclncloewnwxAg== X-UI-Out-Filterresults: notjunk:1;V01:K0:JMOdwlDXUZc=:Lo3lGgMlIKc+6rUfD8fU+V lK1/1b1zdC6DHaiSGWPKUAtqi8CcAArLKrwiEK83YI9zRukcDeEQBGM77EW/Ys/Nn+JxRNOcK YYfSOsoDf9B11ytKbxdJGDAH1SMDQ934VwX95owEUm+QAckUm6CXdXo+j+/vMQxs9xhf9ndnt PIuM51DswO1zmaqFMlGGEjJcicwWN2aO4FaGacqZzx4B/BfeTiMS8vDU2nZazPx1nIWPJJOek lv9NG2+STWQYhtMnbUizoE8VxGuWaCpdnk2cquijEfg++ZQcjpU/ahr8R4eMF0sQ1SCphFCzu lR3VlxIMY3q23nx59ri/sy5kJ6wEHaJfNjFxtugr4WDjJ3IC1mQlphI70qOqFwpItor+Faw83 QgxC61tU7/FQsMA16Ebh57CcsQLeco3I8kjoCklGIl8tzUG6MRJq0p4lBxjKnhDJjZAl6IyJ1 VYK7dZLVkm+f8QFH44+4sDa+JHcW2EoLhopQM6BaBgJeiQeLXKvpCdMw9TAJrJwpFALm6l8mo 8MZmBDPoy8w5h1ImU8JIBYkjmVw9u4Gt+kjFZOXh7qpQvV88XW7LydrsXfL3S4OralrVZWoC6 nRtJEx0roxHbd4+Hjr0FtoVfVzUmMqePT9oVmRyOhwn0VreEYU7zYzTWv4sZWuBmo5p1sJHPI F7a01z8aVCw81KJzVm8e7nE1u/O+qD2SSIz7tF6+gxWa/i2KdzHPlZXctU6MG7COMFx1AtP0P 3pkdyIZ+LF3+2d3QNCxZhXaYRAMeVY5WsLHuaE6RLkEowhPPv2bi2Wac6GDnUPTQHxq+cox1B ekoLMpP Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org This is yet another patch to be filed under the keyword "libification". There is one subtle change in behavior here, where a `git log` that has been asked to show the mergetags would now stop reporting the mergetags upon the first failure, whereas previously, it would have continued to the next mergetag, if any. In practice, that change should not matter, as it is 1) uncommon to perform octopus merges using multiple tags as merge heads, and 2) when the user asks to be shown those tags, they really should be there. Signed-off-by: Johannes Schindelin --- builtin/replace.c | 8 ++++---- commit.c | 8 +++++--- commit.h | 4 ++-- log-tree.c | 13 +++++++------ 4 files changed, 18 insertions(+), 15 deletions(-) diff --git a/builtin/replace.c b/builtin/replace.c index 935647be6bd..245d3f4164e 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -345,7 +345,7 @@ struct check_mergetag_data { const char **argv; }; -static void check_one_mergetag(struct commit *commit, +static int check_one_mergetag(struct commit *commit, struct commit_extra_header *extra, void *data) { @@ -368,20 +368,20 @@ static void check_one_mergetag(struct commit *commit, if (get_oid(mergetag_data->argv[i], &oid) < 0) die(_("Not a valid object name: '%s'"), mergetag_data->argv[i]); if (!oidcmp(&tag->tagged->oid, &oid)) - return; /* found */ + return 0; /* found */ } die(_("original commit '%s' contains mergetag '%s' that is discarded; " "use --edit instead of --graft"), ref, oid_to_hex(&tag_oid)); } -static void check_mergetags(struct commit *commit, int argc, const char **argv) +static int check_mergetags(struct commit *commit, int argc, const char **argv) { struct check_mergetag_data mergetag_data; mergetag_data.argc = argc; mergetag_data.argv = argv; - for_each_mergetag(check_one_mergetag, commit, &mergetag_data); + return for_each_mergetag(check_one_mergetag, commit, &mergetag_data); } static int create_graft(int argc, const char **argv, int force) diff --git a/commit.c b/commit.c index ca474a7c112..2952ec987c5 100644 --- a/commit.c +++ b/commit.c @@ -1288,17 +1288,19 @@ struct commit_extra_header *read_commit_extra_headers(struct commit *commit, return extra; } -void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data) +int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data) { struct commit_extra_header *extra, *to_free; + int res = 0; to_free = read_commit_extra_headers(commit, NULL); - for (extra = to_free; extra; extra = extra->next) { + for (extra = to_free; !res && extra; extra = extra->next) { if (strcmp(extra->key, "mergetag")) continue; /* not a merge tag */ - fn(commit, extra, data); + res = fn(commit, extra, data); } free_commit_extra_headers(to_free); + return res; } static inline int standard_header_field(const char *field, size_t len) diff --git a/commit.h b/commit.h index 0fb8271665c..9000895ad91 100644 --- a/commit.h +++ b/commit.h @@ -291,10 +291,10 @@ extern const char *find_commit_header(const char *msg, const char *key, /* Find the end of the log message, the right place for a new trailer. */ extern int ignore_non_trailer(const char *buf, size_t len); -typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra, +typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra, void *cb_data); -extern void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data); +extern int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data); struct merge_remote_desc { struct object *obj; /* the named object, could be a tag */ diff --git a/log-tree.c b/log-tree.c index d1c0bedf244..f3a51a6e726 100644 --- a/log-tree.c +++ b/log-tree.c @@ -488,9 +488,9 @@ static int is_common_merge(const struct commit *commit) && !commit->parents->next->next); } -static void show_one_mergetag(struct commit *commit, - struct commit_extra_header *extra, - void *data) +static int show_one_mergetag(struct commit *commit, + struct commit_extra_header *extra, + void *data) { struct rev_info *opt = (struct rev_info *)data; struct object_id oid; @@ -502,7 +502,7 @@ static void show_one_mergetag(struct commit *commit, hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &oid); tag = lookup_tag(&oid); if (!tag) - return; /* error message already given */ + return -1; /* error message already given */ strbuf_init(&verify_message, 256); if (parse_tag_buffer(tag, extra->value, extra->len)) @@ -536,11 +536,12 @@ static void show_one_mergetag(struct commit *commit, show_sig_lines(opt, status, verify_message.buf); strbuf_release(&verify_message); + return 0; } -static void show_mergetag(struct rev_info *opt, struct commit *commit) +static int show_mergetag(struct rev_info *opt, struct commit *commit) { - for_each_mergetag(show_one_mergetag, commit, opt); + return for_each_mergetag(show_one_mergetag, commit, opt); } void show_log(struct rev_info *opt) -- 2.17.0.windows.1.33.gfcbb1fa0445