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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,T_RP_MATCHES_RCVD shortcircuit=no autolearn=no 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 2CCAF1F428 for ; Fri, 5 Jan 2018 20:29:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752780AbeAEU2l (ORCPT ); Fri, 5 Jan 2018 15:28:41 -0500 Received: from mail-it0-f67.google.com ([209.85.214.67]:37869 "EHLO mail-it0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751723AbeAEU2e (ORCPT ); Fri, 5 Jan 2018 15:28:34 -0500 Received: by mail-it0-f67.google.com with SMTP id d137so2980466itc.2 for ; Fri, 05 Jan 2018 12:28:33 -0800 (PST) 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=I+jmXFqEz5ZOaM8r9455NJT1qjF8TBNcjZqleLlAeBo=; b=gFpwewsTRAC04kGE3Zy1JlHlRsCNPnTwszw6jM+De90LxkEeDQ27gsrdSq7KdfP77H 4dAYDsRAoKcpBVJaCeHa8UjO3fdSCDhFmmgSu6ydtXUr/Z9oZESopf4d4JY1bzkZtYMW 2vNBeLWsIpRdnLwlQkuJE6AhsWZZV5fBS8Yv5Z3pW8nQjTcBPOEY7QbHRx2BpMX4gJWp eSAvGPKG2abVAR0jCKrNwiZs5EajJ/EI4NG8bTkkBitgirOqj8nmivK4d0MKr2e+DVpx Xi2RcScSXX6Y18PH0w7VBYUpDFxxbcxNCCIT6Nq/G2aRQWj1fDVtvyJBoukQqLP3YTAK KKaQ== 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=I+jmXFqEz5ZOaM8r9455NJT1qjF8TBNcjZqleLlAeBo=; b=OkZeh6wOd4Qal3/j2X49yJEfoeCD2WrDB0wsqlQC3etAb3i3ZxrbjsTaULpe5C6qz7 E3/fbClGEzeWew87MqpkOkX0Lcn4EEkESsVtlYbx1hjfzcTv2bpzRjPxhM3Z219Lu3pV I1tmNmmPGHrhvXVIOpS4bJNDXDqESUbmFpdtwPEEQKFHj+l8CzVRpC8WIL2zIvg9i2kP KCzjcaKQzQ+2/kWJTzVySfWCCArsKOjRhbc790Dhu1Mx1HtWAh6WfVyAV/Z8BKsAwW78 Qly4mWCiQz3PVtjgXtOOKMdmNoLHwE2h70/S5u7yxTvHONsGU3D/DAX182IzN+4p9AeH m3Yw== X-Gm-Message-State: AKGB3mITFPw1OI49e2ZGcdIFs2b+CpmK16tvNCD/q4JL2PLcf2rJDv44 mCPlBoT4dTO/JqS/hcqVdbdENOif X-Google-Smtp-Source: ACJfBouhUyruwyyp+6Q0DdyspLPzFSm1oMnik0CSvYNfjpj7xBbZyo55lAWe5VT0bNlmK6knPNAt1w== X-Received: by 10.36.190.207 with SMTP id i198mr4451386itf.80.1515184112799; Fri, 05 Jan 2018 12:28:32 -0800 (PST) Received: from localhost.localdomain (c-73-20-122-173.hsd1.ut.comcast.net. [73.20.122.173]) by smtp.gmail.com with ESMTPSA id 6sm3739659iow.55.2018.01.05.12.28.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 05 Jan 2018 12:28:32 -0800 (PST) From: Elijah Newren To: git@vger.kernel.org Cc: sbeller@google.com, szeder.dev@gmail.com, j6t@kdbg.org, jrnieder@gmail.com, peff@peff.net, git@matthieu-moy.fr, Elijah Newren Subject: [PATCHv6 10/31] directory rename detection: tests for handling overwriting untracked files Date: Fri, 5 Jan 2018 12:26:50 -0800 Message-Id: <20180105202711.24311-11-newren@gmail.com> X-Mailer: git-send-email 2.15.0.409.g72e1e5805 In-Reply-To: <20180105202711.24311-1-newren@gmail.com> References: <20180105202711.24311-1-newren@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Signed-off-by: Elijah Newren --- t/t6043-merge-rename-directories.sh | 367 ++++++++++++++++++++++++++++++++++++ 1 file changed, 367 insertions(+) diff --git a/t/t6043-merge-rename-directories.sh b/t/t6043-merge-rename-directories.sh index 717cf1483..5a2a4449d 100755 --- a/t/t6043-merge-rename-directories.sh +++ b/t/t6043-merge-rename-directories.sh @@ -2855,4 +2855,371 @@ test_expect_failure '9g-check: Renamed directory that only contained immediate s # side of history for any implicit directory renames. ########################################################################### +########################################################################### +# SECTION 10: Handling untracked files +# +# unpack_trees(), upon which the recursive merge algorithm is based, aborts +# the operation if untracked or dirty files would be deleted or overwritten +# by the merge. Unfortunately, unpack_trees() does not understand renames, +# and if it doesn't abort, then it muddies up the working directory before +# we even get to the point of detecting renames, so we need some special +# handling, at least in the case of directory renames. +########################################################################### + +# Testcase 10a, Overwrite untracked: normal rename/delete +# Commit O: z/{b,c_1} +# Commit A: z/b + untracked z/c + untracked z/d +# Commit B: z/{b,d_1} +# Expected: Aborted Merge + +# ERROR_MSG(untracked working tree files would be overwritten by merge) + +test_expect_success '10a-setup: Overwrite untracked with normal rename/delete' ' + test_create_repo 10a && + ( + cd 10a && + + mkdir z && + echo b >z/b && + echo c >z/c && + git add z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git rm z/c && + test_tick && + git commit -m "A" && + + git checkout B && + git mv z/c z/d && + test_tick && + git commit -m "B" + ) +' + +test_expect_success '10a-check: Overwrite untracked with normal rename/delete' ' + ( + cd 10a && + + git checkout A^0 && + echo very >z/c && + echo important >z/d && + + test_must_fail git merge -s recursive B^0 >out 2>err && + test_i18ngrep "The following untracked working tree files would be overwritten by merge" err && + + git ls-files -s >out && + test_line_count = 1 out && + git ls-files -o >out && + test_line_count = 4 out && + + echo very >expect && + test_cmp expect z/c && + + echo important >expect && + test_cmp expect z/d && + + git rev-parse HEAD:z/b >actual && + git rev-parse O:z/b >expect && + test_cmp expect actual + ) +' + +# Testcase 10b, Overwrite untracked: dir rename + delete +# Commit O: z/{b,c_1} +# Commit A: y/b + untracked y/{c,d,e} +# Commit B: z/{b,d_1,e} +# Expected: Failed Merge; y/b + untracked y/c + untracked y/d on disk + +# z/c_1 -> z/d_1 rename recorded at stage 3 for y/d + +# ERROR_MSG(refusing to lose untracked file at 'y/d') + +test_expect_success '10b-setup: Overwrite untracked with dir rename + delete' ' + test_create_repo 10b && + ( + cd 10b && + + mkdir z && + echo b >z/b && + echo c >z/c && + git add z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git rm z/c && + git mv z/ y/ && + test_tick && + git commit -m "A" && + + git checkout B && + git mv z/c z/d && + echo e >z/e && + git add z/e && + test_tick && + git commit -m "B" + ) +' + +test_expect_failure '10b-check: Overwrite untracked with dir rename + delete' ' + ( + cd 10b && + + git checkout A^0 && + echo very >y/c && + echo important >y/d && + echo contents >y/e && + + test_must_fail git merge -s recursive B^0 >out 2>err && + test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out && + test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out && + + git ls-files -s >out && + test_line_count = 3 out && + git ls-files -u >out && + test_line_count = 2 out && + git ls-files -o >out && + test_line_count = 5 out && + + git rev-parse >actual \ + :0:y/b :3:y/d :3:y/e && + git rev-parse >expect \ + O:z/b O:z/c B:z/e && + test_cmp expect actual && + + echo very >expect && + test_cmp expect y/c && + + echo important >expect && + test_cmp expect y/d && + + echo contents >expect && + test_cmp expect y/e + ) +' + +# Testcase 10c, Overwrite untracked: dir rename/rename(1to2) +# Commit O: z/{a,b}, x/{c,d} +# Commit A: y/{a,b}, w/c, x/d + different untracked y/c +# Commit B: z/{a,b,c}, x/d +# Expected: Failed Merge; y/{a,b} + x/d + untracked y/c + +# CONFLICT(rename/rename) x/c -> w/c vs y/c + +# y/c~B^0 + +# ERROR_MSG(Refusing to lose untracked file at y/c) + +test_expect_success '10c-setup: Overwrite untracked with dir rename/rename(1to2)' ' + test_create_repo 10c && + ( + cd 10c && + + mkdir z x && + echo a >z/a && + echo b >z/b && + echo c >x/c && + echo d >x/d && + git add z x && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + mkdir w && + git mv x/c w/c && + git mv z/ y/ && + test_tick && + git commit -m "A" && + + git checkout B && + git mv x/c z/ && + test_tick && + git commit -m "B" + ) +' + +test_expect_failure '10c-check: Overwrite untracked with dir rename/rename(1to2)' ' + ( + cd 10c && + + git checkout A^0 && + echo important >y/c && + + test_must_fail git merge -s recursive B^0 >out 2>err && + test_i18ngrep "CONFLICT (rename/rename)" out && + test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out && + + git ls-files -s >out && + test_line_count = 6 out && + git ls-files -u >out && + test_line_count = 3 out && + git ls-files -o >out && + test_line_count = 3 out && + + git rev-parse >actual \ + :0:y/a :0:y/b :0:x/d :1:x/c :2:w/c :3:y/c && + git rev-parse >expect \ + O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c && + test_cmp expect actual && + + git hash-object y/c~B^0 >actual && + git rev-parse O:x/c >expect && + test_cmp expect actual && + + echo important >expect && + test_cmp expect y/c + ) +' + +# Testcase 10d, Delete untracked w/ dir rename/rename(2to1) +# Commit O: z/{a,b,c_1}, x/{d,e,f_2} +# Commit A: y/{a,b}, x/{d,e,f_2,wham_1} + untracked y/wham +# Commit B: z/{a,b,c_1,wham_2}, y/{d,e} +# Expected: Failed Merge; y/{a,b,d,e} + untracked y/{wham,wham~B^0,wham~HEAD}+ +# CONFLICT(rename/rename) z/c_1 vs x/f_2 -> y/wham +# ERROR_MSG(Refusing to lose untracked file at y/wham) + +test_expect_success '10d-setup: Delete untracked with dir rename/rename(2to1)' ' + test_create_repo 10d && + ( + cd 10d && + + mkdir z x && + echo a >z/a && + echo b >z/b && + echo c >z/c && + echo d >x/d && + echo e >x/e && + echo f >x/f && + git add z x && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv z/c x/wham && + git mv z/ y/ && + test_tick && + git commit -m "A" && + + git checkout B && + git mv x/f z/wham && + git mv x/ y/ && + test_tick && + git commit -m "B" + ) +' + +test_expect_failure '10d-check: Delete untracked with dir rename/rename(2to1)' ' + ( + cd 10d && + + git checkout A^0 && + echo important >y/wham && + + test_must_fail git merge -s recursive B^0 >out 2>err && + test_i18ngrep "CONFLICT (rename/rename)" out && + test_i18ngrep "Refusing to lose untracked file at y/wham" out && + + git ls-files -s >out && + test_line_count = 6 out && + git ls-files -u >out && + test_line_count = 2 out && + git ls-files -o >out && + test_line_count = 4 out && + + git rev-parse >actual \ + :0:y/a :0:y/b :0:y/d :0:y/e :2:y/wham :3:y/wham && + git rev-parse >expect \ + O:z/a O:z/b O:x/d O:x/e O:z/c O:x/f && + test_cmp expect actual && + + test_must_fail git rev-parse :1:y/wham && + + echo important >expect && + test_cmp expect y/wham && + + git hash-object >actual \ + y/wham~B^0 y/wham~HEAD && + git rev-parse >expect \ + O:x/f O:z/c && + test_cmp expect actual + ) +' + +# Testcase 10e, Does git complain about untracked file that's not in the way? +# Commit O: z/{a,b} +# Commit A: y/{a,b} + untracked z/c +# Commit B: z/{a,b,c} +# Expected: y/{a,b,c} + untracked z/c + +test_expect_success '10e-setup: Does git complain about untracked file that is not really in the way?' ' + test_create_repo 10e && + ( + cd 10e && + + mkdir z && + echo a >z/a && + echo b >z/b && + git add z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv z/ y/ && + test_tick && + git commit -m "A" && + + git checkout B && + echo c >z/c && + git add z/c && + test_tick && + git commit -m "B" + ) +' + +test_expect_failure '10e-check: Does git complain about untracked file that is not really in the way?' ' + ( + cd 10e && + + git checkout A^0 && + mkdir z && + echo random >z/c && + + git merge -s recursive B^0 >out 2>err && + test_i18ngrep ! "following untracked working tree files would be overwritten by merge" err && + + git ls-files -s >out && + test_line_count = 3 out && + git ls-files -u >out && + test_line_count = 0 out && + git ls-files -o >out && + test_line_count = 3 out && + + git rev-parse >actual \ + :0:y/a :0:y/b :0:y/c && + git rev-parse >expect \ + O:z/a O:z/b B:z/c && + test_cmp expect actual && + + echo random >expect && + test_cmp expect z/c + ) +' + test_done -- 2.14.2