From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.1 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=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id B99101F453 for ; Fri, 26 Apr 2019 19:21:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726689AbfDZTVN (ORCPT ); Fri, 26 Apr 2019 15:21:13 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:44732 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725875AbfDZTVM (ORCPT ); Fri, 26 Apr 2019 15:21:12 -0400 Received: by mail-pl1-f193.google.com with SMTP id y12so1995286plk.11 for ; Fri, 26 Apr 2019 12:21:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=+H8POLCQdoLlAi1a7Fm8nOAQ7YE8GMb4TmGGZ6DpMMY=; b=Lq+pobLd8V3dtv9tD6wKSOd/oPwGIHWUk2nEcsiCTt39bZJy/9OqfkEFE1NzZNJ9rI 479UBIUx7xuphkubQCRFec2iXRS1fpJhHnAwgSwCcvaxPkNWYX2LuZwpWoPuzgETdgmF oyVNdeknwfy4A7OFInvQdvGKTh7YGbq0JWFcdohQM4ld/I/GjEdg7k5YtU5v3j811iBV JkpGxHLa6zT+QZqLp4jt/CRXgOFU0yDhqWiGLJpcKlwfajU1nIa5dAXQQuSCmL6MsvSC 0zKSzHOuQ3aHp995iOBHnASl8yzhBTlT7osRr+3Wqj57vUFWH7quNlXL8LwNAo+F89HG LAQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=+H8POLCQdoLlAi1a7Fm8nOAQ7YE8GMb4TmGGZ6DpMMY=; b=lNxwc8au6DvUDGlpcsmyYlkqXWdoRQXrUuins23js+dxCcmWm2+MyLVKStBJtTn+Ol 37YUmrDFkWilcdO8LcJRHIRkuydN7lHLCdmAI7Ud0RU9BBp66DVfwu/Lt91UEx9+wKqu Q9Xtc6xIscBeUAW6qE2V31ZkB46NF4iRHjZ7Q5Eb5ryRP2DB6iPmEn+ztKjCX71CIgM6 2ZHXZXr2bM99/Ry3YxspXbrqgnjPW4bGv6lXM5xwnH+8nd3N3IcFQv6C1bXJZmihBfpA pDyjgf6XGZE718KN+PMdT+INJzk1r1bWA7GeJ7rWdEeMai0S3XKPpVCp4pD53GRb0Oed dHsw== X-Gm-Message-State: APjAAAXpUhjCCCLN9PhZiDjX9w0qVVLOI/UAZ60hljP2WbDhYampcS9b S2ytpi2VuAesqc7tOfygZkGZ28JXnaU= X-Google-Smtp-Source: APXvYqzbZsVZqWmzzKQ50EzFpS7jTDtJb/cC2Fa8HPiA6DAKLYVtR1O1SofgmHSSmcO6V6UEb0TL7g== X-Received: by 2002:a17:902:b089:: with SMTP id p9mr47705769plr.185.1556306471077; Fri, 26 Apr 2019 12:21:11 -0700 (PDT) Received: from dev-l ([149.28.199.249]) by smtp.gmail.com with ESMTPSA id a10sm34088586pfc.21.2019.04.26.12.21.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 12:21:10 -0700 (PDT) Date: Fri, 26 Apr 2019 12:21:09 -0700 From: Denton Liu To: Git Mailing List Cc: Eric Sunshine , Junio C Hamano Subject: [PATCH v2 2/3] t2018: demonstrate checkout -b merge base bug Message-ID: <5e8320cd80415f50a79815b9fcd55c051e45e38b.1556305561.git.liu.denton@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org In git-checkout.txt, it states As a special case, you may use `"A...B"` as a shortcut for the merge base of `A` and `B` if there is exactly one merge base. You can leave out at most one of `A` and `B`, in which case it defaults to `HEAD`. However, there exists a bug where performing $ git checkout -b test master... fails with the message fatal: Not a valid object name: 'master...'. Demonstrate this failure so that it can be corrected later. Signed-off-by: Denton Liu --- t/t2018-checkout-branch.sh | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/t/t2018-checkout-branch.sh b/t/t2018-checkout-branch.sh index f1c7023e1a..3cd142657a 100755 --- a/t/t2018-checkout-branch.sh +++ b/t/t2018-checkout-branch.sh @@ -66,6 +66,13 @@ test_expect_success 'checkout -b to a new branch, set to HEAD' ' do_checkout branch2 ' +test_expect_failure 'checkout -b to a merge base' ' + test_when_finished " + git checkout branch1 && + test_might_fail git branch -D branch2" && + git checkout -b branch2 branch1... +' + test_expect_success 'checkout -b to a new branch, set to an explicit ref' ' test_when_finished " git checkout branch1 && @@ -126,6 +133,12 @@ test_expect_success 'checkout -B to an existing branch resets branch to HEAD' ' do_checkout branch2 "" -B ' +test_expect_failure 'checkout -B to a merge base' ' + git checkout branch1 && + + git checkout -B branch2 branch1... +' + test_expect_success 'checkout -B to an existing branch from detached HEAD resets branch to HEAD' ' git checkout $(git rev-parse --verify HEAD) && -- 2.21.0.1033.g0e8cc1100c