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=-3.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD 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 3A1E31F4DD for ; Mon, 28 Aug 2017 11:56:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751250AbdH1L4d (ORCPT ); Mon, 28 Aug 2017 07:56:33 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:38059 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751225AbdH1L4c (ORCPT ); Mon, 28 Aug 2017 07:56:32 -0400 Received: by mail-pg0-f68.google.com with SMTP id t3so195346pgt.5 for ; Mon, 28 Aug 2017 04:56:32 -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=TgLxGLxmeVoixgUNfb8Q+UYCEfTN3xhE7OEEBvlwoNk=; b=h+xoJ6ded1x4waoG9hEc46geu0l0tzxjQhbrFpM57PUr6j1jZaYud1p44hjgcqYg2H nb5ljFMduxSY+KBmMvjeoqSt1p8mAOEmRzPV0nmroDrHuIZIqyviJtQ690PilIKb+wqA 6DBsxDHl4+3Fg80jQiCYoZRZ2tQvX/LqrfYZdmCN8Rr5UONyyDBTEhuovxr7k/4gZ+dw OVM+YCqFVejZeG/LGcZvrey2K2p7R56/dyxaO/PdEiHI1Lg2n4QwK+AwUONmEC/wOn7G gJRBHxcL7XfhrOJRwHQrKb6blZGxWsO3+/OXsZ+AzKP2fFMir5Oy5rehVad76wrOuh4N 7vMQ== 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=TgLxGLxmeVoixgUNfb8Q+UYCEfTN3xhE7OEEBvlwoNk=; b=DOiaBNWcitfCbG2W1Wg7dc4MbHPGBbLCfWNZCtGM+Mea8EH+/eqb975CUBTQJWF81F e2+4f5vXhBZZota6ZmHX3R8lDiQ+Kgxn0Y5aTsYQfFS6thrd4AkwPaG/FywR1FLwuNLs 81NEvYtrAAaDMcbuYZnQEl4qyQo4U5JLOb05YrVtmkeKqmnPXDEYBsAqEs9j0V3AV2yf dVy0dmCJljibuJETEHUvJaQL6P/i7/mMsgPajadgtJx0DjA/vpSGzXhJkeRK7+Gof3qo CYFBsBXNBaA4pDpdwuhO+ttXLzScWKA6YHdul66gjIKqMSGF315zP0WtRIqt9QGXtxBz Kd9g== X-Gm-Message-State: AHYfb5i+AIFfd7IWs+SGm2ui9EuFBSlbR94mGvd/uErR0A8dZzzxUWYU FCqm+cvwa9LRbTZ6/EOMzg== X-Received: by 10.84.210.200 with SMTP id a66mr265493pli.161.1503921391945; Mon, 28 Aug 2017 04:56:31 -0700 (PDT) Received: from localhost.localdomain ([223.176.49.60]) by smtp.gmail.com with ESMTPSA id h70sm748608pfc.92.2017.08.28.04.56.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 28 Aug 2017 04:56:29 -0700 (PDT) From: Prathamesh Chavan To: gitster@pobox.com Cc: christian.couder@gmail.com, git@vger.kernel.org, pc44800@gmail.com, sbeller@google.com Subject: [GSoC][PATCH v4 3/4] submodule: port set_name_rev() from shell to C Date: Mon, 28 Aug 2017 17:25:57 +0530 Message-Id: <20170828115558.28297-4-pc44800@gmail.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170828115558.28297-1-pc44800@gmail.com> References: <20170828115558.28297-1-pc44800@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Function set_name_rev() is ported from git-submodule to the submodule--helper builtin. The function compute_rev_name() generates the value of the revision name as required. The function get_rev_name() calls compute_rev_name() and receives the revision name, and later handles its formating and printing. Mentored-by: Christian Couder Mentored-by: Stefan Beller Signed-off-by: Prathamesh Chavan --- builtin/submodule--helper.c | 63 +++++++++++++++++++++++++++++++++++++++++++++ git-submodule.sh | 16 ++---------- 2 files changed, 65 insertions(+), 14 deletions(-) diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index ea99d8e39..85df11129 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -245,6 +245,68 @@ static char *get_submodule_displaypath(const char *path, const char *prefix) } } +static char *compute_rev_name(const char *sub_path, const char* object_id) +{ + struct strbuf sb = STRBUF_INIT; + const char ***d; + + static const char *describe_bare[] = { + NULL + }; + + static const char *describe_tags[] = { + "--tags", NULL + }; + + static const char *describe_contains[] = { + "--contains", NULL + }; + + static const char *describe_all_always[] = { + "--all", "--always", NULL + }; + + static const char **describe_argv[] = { + describe_bare, describe_tags, describe_contains, + describe_all_always, NULL + }; + + for (d = describe_argv; *d; d++) { + struct child_process cp = CHILD_PROCESS_INIT; + prepare_submodule_repo_env(&cp.env_array); + cp.dir = sub_path; + cp.git_cmd = 1; + cp.no_stderr = 1; + + argv_array_push(&cp.args, "describe"); + argv_array_pushv(&cp.args, *d); + argv_array_push(&cp.args, object_id); + + if (!capture_command(&cp, &sb, 0) && sb.len) { + strbuf_strip_suffix(&sb, "\n"); + return strbuf_detach(&sb, NULL); + } + } + + strbuf_release(&sb); + return NULL; +} + +static int get_rev_name(int argc, const char **argv, const char *prefix) +{ + char *revname; + if (argc != 3) + die("get-rev-name only accepts two arguments: "); + + revname = compute_rev_name(argv[1], argv[2]); + if (revname && revname[0]) + printf(" (%s)", revname); + printf("\n"); + + free(revname); + return 0; +} + struct module_list { const struct cache_entry **entries; int alloc, nr; @@ -1292,6 +1354,7 @@ static struct cmd_struct commands[] = { {"relative-path", resolve_relative_path, 0}, {"resolve-relative-url", resolve_relative_url, 0}, {"resolve-relative-url-test", resolve_relative_url_test, 0}, + {"get-rev-name", get_rev_name, 0}, {"init", module_init, SUPPORT_SUPER_PREFIX}, {"remote-branch", resolve_remote_submodule_branch, 0}, {"push-check", push_check, 0}, diff --git a/git-submodule.sh b/git-submodule.sh index 66d1ae8ef..5211361c5 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -758,18 +758,6 @@ cmd_update() } } -set_name_rev () { - revname=$( ( - sanitize_submodule_env - cd "$1" && { - git describe "$2" 2>/dev/null || - git describe --tags "$2" 2>/dev/null || - git describe --contains "$2" 2>/dev/null || - git describe --all --always "$2" - } - ) ) - test -z "$revname" || revname=" ($revname)" -} # # Show commit summary for submodules in index or working tree # @@ -1041,14 +1029,14 @@ cmd_status() fi if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path" then - set_name_rev "$sm_path" "$sha1" + revname=$(git submodule--helper get-rev-name "$sm_path" "$sha1") say " $sha1 $displaypath$revname" else if test -z "$cached" then sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD) fi - set_name_rev "$sm_path" "$sha1" + revname=$(git submodule--helper get-rev-name "$sm_path" "$sha1") say "+$sha1 $displaypath$revname" fi -- 2.13.0