From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Aguilar Subject: [PATCH v3] mergetool: Provide an empty file when needed Date: Thu, 19 Jan 2012 23:47:35 -0800 Message-ID: <1327045655-3368-1-git-send-email-davvid@gmail.com> References: <7vy5t2g6za.fsf@alter.siamese.dyndns.org> Cc: jcwenger@gmail.com, git@vger.kernel.org To: gitster@pobox.com X-From: git-owner@vger.kernel.org Fri Jan 20 08:48:18 2012 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Ro9Cs-0007Uv-A6 for gcvg-git-2@lo.gmane.org; Fri, 20 Jan 2012 08:48:18 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752200Ab2ATHr7 (ORCPT ); Fri, 20 Jan 2012 02:47:59 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:58984 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877Ab2ATHro (ORCPT ); Fri, 20 Jan 2012 02:47:44 -0500 Received: by iagf6 with SMTP id f6so553062iag.19 for ; Thu, 19 Jan 2012 23:47:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=+7fJHMqeOEE3M0N4IMxxumdBWKVJYPctJfl548vOpTk=; b=A2VYSRdo/5PUjHvqW3Exo9BlJBkCIthBgWu2Nje/4LC1tCRynXU2NJTZxA21k7MGhn 9ld4N6kyojPJnOMqEIiGOvh88lYU6x/RNkgcEocX4R1UAGfe08eXOi6GPGd2QBWI1JXI +D1ce3/fJgB2wH7Ff8d+UYFhop9qH1cLy+n94= Received: by 10.50.156.130 with SMTP id we2mr31689776igb.10.1327045663912; Thu, 19 Jan 2012 23:47:43 -0800 (PST) Received: from lustrous.fas.fa.disney.com (208-106-56-2.static.dsltransport.net. [208.106.56.2]) by mx.google.com with ESMTPS id or1sm3466002igc.3.2012.01.19.23.47.42 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 19 Jan 2012 23:47:43 -0800 (PST) X-Mailer: git-send-email 1.7.9.rc2.1.g36b4c In-Reply-To: <7vy5t2g6za.fsf@alter.siamese.dyndns.org> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Some merge tools cannot cope when $LOCAL, $BASE, or $REMOTE are missing. $BASE can be missing when two branches independently add the same filename. $LOCAL and $REMOTE can be missing when a delete/modify conflict occurs. Provide an empty file to make these tools happy. Reported-by: Jason Wenger Signed-off-by: David Aguilar --- We now create the empty file in checkout_staged_file() as part of the error checking section. git-mergetool.sh | 8 +++++--- t/t7610-mergetool.sh | 27 ++++++++++++++++++++++++++- 2 files changed, 31 insertions(+), 4 deletions(-) diff --git a/git-mergetool.sh b/git-mergetool.sh index 085e213..24bedc5 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -185,6 +185,8 @@ checkout_staged_file () { if test $? -eq 0 -a -n "$tmpfile" ; then mv -- "$(git rev-parse --show-cdup)$tmpfile" "$3" + else + >"$3" fi } @@ -224,9 +226,9 @@ merge_file () { mv -- "$MERGED" "$BACKUP" cp -- "$BACKUP" "$MERGED" - base_present && checkout_staged_file 1 "$MERGED" "$BASE" - local_present && checkout_staged_file 2 "$MERGED" "$LOCAL" - remote_present && checkout_staged_file 3 "$MERGED" "$REMOTE" + checkout_staged_file 1 "$MERGED" "$BASE" + checkout_staged_file 2 "$MERGED" "$LOCAL" + checkout_staged_file 3 "$MERGED" "$REMOTE" if test -z "$local_mode" -o -z "$remote_mode"; then echo "Deleted merge conflict for '$MERGED':" diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh index 4aab2a7..2272743 100755 --- a/t/t7610-mergetool.sh +++ b/t/t7610-mergetool.sh @@ -39,6 +39,7 @@ test_expect_success 'setup' ' echo branch1 change >file1 && echo branch1 newfile >file2 && echo branch1 spaced >"spaced name" && + echo branch1 both added > both && echo branch1 change file11 >file11 && echo branch1 change file13 >file13 && echo branch1 sub >subdir/file3 && @@ -50,6 +51,7 @@ test_expect_success 'setup' ' git checkout -b submod-branch1 ) && git add file1 "spaced name" file11 file13 file2 subdir/file3 submod && + git add both && git rm file12 && git commit -m "branch1 changes" && @@ -58,6 +60,7 @@ test_expect_success 'setup' ' echo master updated >file1 && echo master new >file2 && echo master updated spaced >"spaced name" && + echo master both added > both && echo master updated file12 >file12 && echo master updated file14 >file14 && echo master new sub >subdir/file3 && @@ -69,18 +72,22 @@ test_expect_success 'setup' ' git checkout -b submod-master ) && git add file1 "spaced name" file12 file14 file2 subdir/file3 submod && + git add both && git rm file11 && git commit -m "master updates" && git config merge.tool mytool && git config mergetool.mytool.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" && - git config mergetool.mytool.trustExitCode true + git config mergetool.mytool.trustExitCode true && + git config mergetool.mybase.cmd "cat \"\$BASE\" >\"\$MERGED\"" && + git config mergetool.mybase.trustExitCode true ' test_expect_success 'custom mergetool' ' git checkout -b test1 branch1 && git submodule update -N && test_must_fail git merge master >/dev/null 2>&1 && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "" | git mergetool file1 file1 ) && ( yes "" | git mergetool file2 "spaced name" >/dev/null 2>&1 ) && ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) && @@ -101,6 +108,7 @@ test_expect_success 'mergetool crlf' ' ( yes "" | git mergetool file1 >/dev/null 2>&1 ) && ( yes "" | git mergetool file2 >/dev/null 2>&1 ) && ( yes "" | git mergetool "spaced name" >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) && ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) && @@ -131,6 +139,7 @@ test_expect_success 'mergetool on file in parent dir' ' cd subdir && ( yes "" | git mergetool ../file1 >/dev/null 2>&1 ) && ( yes "" | git mergetool ../file2 ../spaced\ name >/dev/null 2>&1 ) && + ( yes "" | git mergetool ../both >/dev/null 2>&1 ) && ( yes "d" | git mergetool ../file11 >/dev/null 2>&1 ) && ( yes "d" | git mergetool ../file12 >/dev/null 2>&1 ) && ( yes "l" | git mergetool ../submod >/dev/null 2>&1 ) && @@ -212,6 +221,7 @@ test_expect_success 'deleted vs modified submodule' ' test_must_fail git merge master && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "r" | git mergetool submod ) && rmdir submod && mv submod-movedaside submod && @@ -228,6 +238,7 @@ test_expect_success 'deleted vs modified submodule' ' test_must_fail git merge master && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "l" | git mergetool submod ) && test ! -e submod && @@ -241,6 +252,7 @@ test_expect_success 'deleted vs modified submodule' ' test_must_fail git merge test6 && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "r" | git mergetool submod ) && test ! -e submod && @@ -256,6 +268,7 @@ test_expect_success 'deleted vs modified submodule' ' test_must_fail git merge test6 && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "l" | git mergetool submod ) && test "$(cat submod/bar)" = "master submodule" && @@ -279,6 +292,7 @@ test_expect_success 'file vs modified submodule' ' test_must_fail git merge master && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "r" | git mergetool submod ) && rmdir submod && mv submod-movedaside submod && @@ -294,6 +308,7 @@ test_expect_success 'file vs modified submodule' ' test_must_fail git merge master && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "l" | git mergetool submod ) && git submodule update -N && @@ -309,6 +324,7 @@ test_expect_success 'file vs modified submodule' ' test_must_fail git merge test7 && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both >/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "r" | git mergetool submod ) && test -d submod.orig && @@ -324,6 +340,7 @@ test_expect_success 'file vs modified submodule' ' test_must_fail git merge test7 && test -n "$(git ls-files -u)" && ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) && + ( yes "" | git mergetool both>/dev/null 2>&1 ) && ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) && ( yes "l" | git mergetool submod ) && test "$(cat submod/bar)" = "master submodule" && @@ -445,4 +462,12 @@ test_expect_success 'directory vs modified submodule' ' git submodule update -N ' +test_expect_success 'file with no base' ' + git checkout -b test13 branch1 && + test_must_fail git merge master && + git mergetool --no-prompt --tool mybase -- base && + test "$(cat "$MERGED")" = "" && + git reset --hard master >/dev/null 2>&1 +' + test_done -- 1.7.9.rc2.1.g36b4c