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[189.209.26.110]) by smtp.gmail.com with ESMTPSA id j126sm850808oib.13.2020.12.16.18.35.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Dec 2020 18:35:32 -0800 (PST) From: Felipe Contreras To: git@vger.kernel.org Cc: Junio C Hamano , David Aguilar , Johannes Sixt , Felipe Contreras , Seth House Subject: [RFC/PATCH v2] mergetool: use resolved conflicts in all the views Date: Wed, 16 Dec 2020 20:35:31 -0600 Message-Id: <20201217023531.754464-1-felipe.contreras@gmail.com> X-Mailer: git-send-email 2.30.0.rc0 In-Reply-To: <20201216174345.28146-1-felipe.contreras@gmail.com> References: <20201216174345.28146-1-felipe.contreras@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org It doesn't make sense to display easily-solvable conflicts in the different views of all mergetools. Only the chunks that warrant conflict markers should be displayed. TODO: There should be a better way to get the BASE version (maybe add --base to git mergetool). Or maybe a way to generate the three files in one go. See Seth House's blog post [1] for the idea and the rationale. [1] https://www.eseth.org/2020/mergetools.html Cc: Seth House Signed-off-by: Felipe Contreras --- git-mergetool.sh | 11 +++++++++++ t/t7610-mergetool.sh | 17 +++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/git-mergetool.sh b/git-mergetool.sh index e3f6d543fb..2f71da4574 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -322,6 +322,17 @@ merge_file () { checkout_staged_file 2 "$MERGED" "$LOCAL" checkout_staged_file 3 "$MERGED" "$REMOTE" + # TODO Shouldn't merge-file have a --base option? + git merge-file --diff3 -q -p "$LOCAL" "$BASE" "$REMOTE" | + sed -e '/^<<<<<<< /,/^||||||| /d' -e '/^=======$/,/^>>>>>>> /d' \ + >"${BASE}_resolved" + git merge-file --ours -q -p "$LOCAL" "$BASE" "$REMOTE" >"${LOCAL}_resolved" + git merge-file --theirs -q -p "$LOCAL" "$BASE" "$REMOTE" >"${REMOTE}_resolved" + + mv -f "${BASE}_resolved" "$BASE" + mv -f "${LOCAL}_resolved" "$LOCAL" + mv -f "${REMOTE}_resolved" "$REMOTE" + if test -z "$local_mode" || test -z "$remote_mode" then echo "Deleted merge conflict for '$MERGED':" diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh index 70afdd06fa..69260c4a46 100755 --- a/t/t7610-mergetool.sh +++ b/t/t7610-mergetool.sh @@ -828,4 +828,21 @@ test_expect_success 'mergetool -Oorder-file is honored' ' test_cmp expect actual ' +test_expect_success 'skip unnecessary chunks' ' + test_when_finished "git reset --hard" && + git checkout -b test${test_count}_b master && + echo -e "base\n\na" >file1 && + git commit -a -m "base" && + echo -e "base\n\nc" >file1 && + git commit -a -m "remote update" && + git checkout -b test${test_count}_a HEAD~ && + echo -e "local\n\nb" >file1 && + git commit -a -m "local update" && + test_must_fail git merge test${test_count}_b && + yes "" | git mergetool file1 && + echo -e "local\n\nc" >expect && + test_cmp expect file1 && + git commit -m "test resolved with mergetool" +' + test_done -- 2.30.0.rc0