From patchwork Wed Jul 3 13:59:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shejialuo X-Patchwork-Id: 13722271 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1CFC1741CF for ; Wed, 3 Jul 2024 13:59:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720015145; cv=none; b=iNfFEwrI2XPUYZ6tYuA6BiBfoKMM376gQPWBIyoQfgMiH9JA/XLQehFYe6IlURy4QUHCJAQuJqi2myOK7+aW6YVgYQzlA3F4Kzctb8uLBcB80z4pdIH6iMLVvo+qVQBfLi2b4o3sTcS7PDYj4y2Q5yHZjArm+BcCBxXVL+DOk5c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720015145; c=relaxed/simple; bh=rsrODM2J+BWsKhm3xax6cqZkAC7HLfeiG3WeFmJYGQ4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=f7x2rk+QW1HVS8TjLc5iKpZTAPKyc7NpYdjLpYfTk8ieiGyEKC1ZQIStuXCy5cfUDruOo4zokOUdJ4wsZZPTsFiC3ZOGzdmMyK/4iyyPZDCPS8y7iwxu2ZaI+XeqSD72Xv4fscmbQ59diO6FNBTE8e4IDVrdHYaKd+k8SQFb2IY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Mj5usHn4; arc=none smtp.client-ip=209.85.214.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Mj5usHn4" Received: by mail-pl1-f170.google.com with SMTP id d9443c01a7336-1fb1c918860so3647925ad.1 for ; Wed, 03 Jul 2024 06:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1720015142; x=1720619942; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=YtZFlVnAe4qE/y0j2Rt0N7Q1NZXS8OgfPHqwdyraSzA=; b=Mj5usHn41u+t+2Q0S4aWrnvLqI+dTw1WfVkFYEQWjV5yMl6GrYhSsqcKUEPG48RoBP N8e/OaJaCNF72VieT59Cinme9DbS+AUZLKbpZt2TgCnzGil9JONqs9SNL6/PJAuUWydG lqBQ+MRtCdOgiWFXGA9zsSU+lu3UeGBO/z4yMNxk/hM3ur9sF7c48HYNBDIoa/TqoSIu 7DvIbMze78bXhp8RICyZmN5EC381GjSWel4N5ZnHKUp3pV36G1TcPrTapv33v38Ep7hG rPA/f864WSxYE9naXDfpiIqvzeLUDs7jmItFH1RvSix4zEPPl6nzMnyfmRq4opGG07HI kWmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720015142; x=1720619942; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=YtZFlVnAe4qE/y0j2Rt0N7Q1NZXS8OgfPHqwdyraSzA=; b=Fq+x+rXs5Euou6on+lrsw+/YUwjbl1tR42ZW2sKDr6wVk1UB5/1o9XeuqZPeZSzlnO lmnaexV2IcBnYxdQE9Zh1Iad1cRAo8QrVVkI/7oldlK0uh+TFSkSFpT4S2XXfzu5KzI0 Wwq40/nUdPsOM6nuDXbkPbHDrQsD9QNPahNnD943IM/QELR75wbhEIiYUGtyw9KHr6R3 DgZXCIPEO4EQDeSJuDPLm4pyxEeyz19iLyIyoa32qxjIr1yrndeIIDkJR+TxBVPLHMuN zYx3MiqJa1ERPhsZlBlG3JWe0AOdUVyJNYD8blaOlw/1ZgKYYH/hXMQuEsWZxbbUYTq1 4b1w== X-Gm-Message-State: AOJu0YyvS+NLMBeUHKRwWJZfn8r9rtxF/qxzFRoRETI3zkJmXVyUMegS K/95H7FR9I+IGyrWp4Ps9Hi40MUg+R1DGjQse8BHAvpzx4g3FHdHEYYElEgg X-Google-Smtp-Source: AGHT+IFOXTkvcrhsdfCH1AjM22KxQ4+1M+2YqZ9keYJdFF3dOunzvk0Zflfnv1BKVka2XLk8eVPZiA== X-Received: by 2002:a17:903:1245:b0:1f8:44f8:a357 with SMTP id d9443c01a7336-1fb1a06ed94mr29366855ad.17.1720015142385; Wed, 03 Jul 2024 06:59:02 -0700 (PDT) Received: from localhost ([2605:52c0:1:4cf:6c5a:92ff:fe25:ceff]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fac157b3b7sm103067855ad.242.2024.07.03.06.59.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jul 2024 06:59:01 -0700 (PDT) Date: Wed, 3 Jul 2024 21:59:02 +0800 From: shejialuo To: git@vger.kernel.org Cc: Patrick Steinhardt , Karthik Nayak , Junio C Hamano , Eric Sunshine Subject: [GSoC][PATCH v7 8/9] fsck: add ref name check for files backend Message-ID: References: Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: The git-fsck(1) only implicitly checks the reference, it does not fully check refs with bad format name such as standalone "@" and name ending with ".lock". In order to provide such checks, add a new fsck message id "badRefName" with default ERROR type. Use existing "check_refname_format" to explicit check the ref name. And add a new unit test to verify the functionality. Mentored-by: Patrick Steinhardt Mentored-by: Karthik Nayak Signed-off-by: shejialuo --- Documentation/fsck-msgids.txt | 3 + fsck.h | 1 + refs/files-backend.c | 20 +++++++ t/t0602-reffiles-fsck.sh | 101 ++++++++++++++++++++++++++++++++++ 4 files changed, 125 insertions(+) create mode 100755 t/t0602-reffiles-fsck.sh diff --git a/Documentation/fsck-msgids.txt b/Documentation/fsck-msgids.txt index f643585a34..dab4012246 100644 --- a/Documentation/fsck-msgids.txt +++ b/Documentation/fsck-msgids.txt @@ -19,6 +19,9 @@ `badParentSha1`:: (ERROR) A commit object has a bad parent sha1. +`badRefName`:: + (ERROR) A ref has a bad name. + `badTagName`:: (INFO) A tag has an invalid format. diff --git a/fsck.h b/fsck.h index 246055c0f9..90457d1a1f 100644 --- a/fsck.h +++ b/fsck.h @@ -31,6 +31,7 @@ enum fsck_msg_type { FUNC(BAD_NAME, ERROR) \ FUNC(BAD_OBJECT_SHA1, ERROR) \ FUNC(BAD_PARENT_SHA1, ERROR) \ + FUNC(BAD_REF_NAME, ERROR) \ FUNC(BAD_TIMEZONE, ERROR) \ FUNC(BAD_TREE, ERROR) \ FUNC(BAD_TREE_SHA1, ERROR) \ diff --git a/refs/files-backend.c b/refs/files-backend.c index 84acb58782..69a76048d3 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -3419,6 +3419,25 @@ typedef int (*files_fsck_refs_fn)(struct fsck_options *o, const char *refs_check_dir, struct dir_iterator *iter); +static int files_fsck_refs_name(struct fsck_options *o, + const char *gitdir UNUSED, + const char *refs_check_dir, + struct dir_iterator *iter) +{ + struct strbuf sb = STRBUF_INIT; + int ret = 0; + + if (check_refname_format(iter->basename, REFNAME_ALLOW_ONELEVEL)) { + strbuf_addf(&sb, "%s/%s", refs_check_dir, iter->relative_path); + ret = fsck_refs_report(o, NULL, sb.buf, + FSCK_MSG_BAD_REF_NAME, + "invalid refname format"); + } + + strbuf_release(&sb); + return ret; +} + static int files_fsck_refs_dir(struct ref_store *ref_store, struct fsck_options *o, const char *refs_check_dir, @@ -3470,6 +3489,7 @@ static int files_fsck_refs(struct ref_store *ref_store, { int ret; files_fsck_refs_fn fsck_refs_fns[]= { + files_fsck_refs_name, NULL }; diff --git a/t/t0602-reffiles-fsck.sh b/t/t0602-reffiles-fsck.sh new file mode 100755 index 0000000000..b2db58d2c6 --- /dev/null +++ b/t/t0602-reffiles-fsck.sh @@ -0,0 +1,101 @@ +#!/bin/sh + +test_description='Test reffiles backend consistency check' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME +GIT_TEST_DEFAULT_REF_FORMAT=files +export GIT_TEST_DEFAULT_REF_FORMAT + +. ./test-lib.sh + +test_expect_success 'ref name should be checked' ' + test_when_finished "rm -rf repo" && + git init repo && + branch_dir_prefix=.git/refs/heads && + tag_dir_prefix=.git/refs/tags && + ( + cd repo && + git commit --allow-empty -m initial && + git checkout -b branch-1 && + git tag tag-1 && + git commit --allow-empty -m second && + git checkout -b branch-2 && + git tag tag-2 && + git tag multi_hierarchy/tag-2 + ) && + ( + cd repo && + cp $branch_dir_prefix/branch-1 $branch_dir_prefix/.branch-1 && + test_must_fail git fsck 2>err && + cat >expect <<-EOF && + error: refs/heads/.branch-1: badRefName: invalid refname format + EOF + rm $branch_dir_prefix/.branch-1 && + test_cmp expect err + ) && + ( + cd repo && + cp $tag_dir_prefix/tag-1 $tag_dir_prefix/tag-1.lock && + test_must_fail git fsck 2>err && + cat >expect <<-EOF && + error: refs/tags/tag-1.lock: badRefName: invalid refname format + EOF + rm $tag_dir_prefix/tag-1.lock && + test_cmp expect err + ) && + ( + cd repo && + cp $branch_dir_prefix/branch-1 $branch_dir_prefix/@ && + test_must_fail git fsck 2>err && + cat >expect <<-EOF && + error: refs/heads/@: badRefName: invalid refname format + EOF + rm $branch_dir_prefix/@ && + test_cmp expect err + ) && + ( + cd repo && + cp $tag_dir_prefix/multi_hierarchy/tag-2 $tag_dir_prefix/multi_hierarchy/@ && + test_must_fail git fsck 2>err && + cat >expect <<-EOF && + error: refs/tags/multi_hierarchy/@: badRefName: invalid refname format + EOF + rm $tag_dir_prefix/multi_hierarchy/@ && + test_cmp expect err + ) +' + +test_expect_success 'ref name check should be adapted into fsck messages' ' + test_when_finished "rm -rf repo" && + git init repo && + branch_dir_prefix=.git/refs/heads && + tag_dir_prefix=.git/refs/tags && + ( + cd repo && + git commit --allow-empty -m initial && + git checkout -b branch-1 && + git tag tag-1 && + git commit --allow-empty -m second && + git checkout -b branch-2 && + git tag tag-2 + ) && + ( + cd repo && + cp $branch_dir_prefix/branch-1 $branch_dir_prefix/.branch-1 && + git -c fsck.badRefName=warn fsck 2>err && + cat >expect <<-EOF && + warning: refs/heads/.branch-1: badRefName: invalid refname format + EOF + rm $branch_dir_prefix/.branch-1 && + test_cmp expect err + ) && + ( + cd repo && + cp $branch_dir_prefix/branch-1 $branch_dir_prefix/@ && + git -c fsck.badRefName=ignore fsck 2>err && + test_must_be_empty err + ) +' + +test_done