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[73.222.73.77]) by smtp.gmail.com with ESMTPSA id j16sm29690813pfi.58.2019.04.25.02.54.43 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 Apr 2019 02:54:43 -0700 (PDT) Date: Thu, 25 Apr 2019 02:54:41 -0700 From: Denton Liu To: Git Mailing List Cc: Johannes Schindelin , David Aguilar , Jeff Hostetler , Eric Sunshine , Junio C Hamano Subject: [PATCH v4 4/6] mergetool: fallback to tool when guitool unavailable Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org In git-difftool, if the tool is called with --gui but `diff.guitool` is not set, it falls back to `diff.tool`. Make git-mergetool also fallback from `merge.guitool` to `merge.tool` if the former is undefined. If git-difftool, when called with `--gui`, were to use `get_configured_mergetool` in a future patch, it would also get the fallback behavior in the following precedence: 1. diff.guitool 2. merge.guitool 3. diff.tool 4. merge.tool Note that the behavior for when difftool or mergetool are called without `--gui` should be identical with or without this patch. Signed-off-by: Denton Liu --- Documentation/git-mergetool.txt | 4 +++- git-mergetool--lib.sh | 32 +++++++++++++++++++++++--------- t/t7610-mergetool.sh | 19 +++++++++++++++++++ 3 files changed, 45 insertions(+), 10 deletions(-) diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt index 0c7975a050..6b14702e78 100644 --- a/Documentation/git-mergetool.txt +++ b/Documentation/git-mergetool.txt @@ -83,7 +83,9 @@ success of the resolution after the custom tool has exited. --gui:: When 'git-mergetool' is invoked with the `-g` or `--gui` option the default merge tool will be read from the configured - `merge.guitool` variable instead of `merge.tool`. + `merge.guitool` variable instead of `merge.tool`. If + `merge.guitool` is not set, we will fallback to the tool + configured under `merge.tool`. --no-gui:: This overrides a previous `-g` or `--gui` setting and reads the diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh index 68ff26a0f7..c4b16c5e59 100644 --- a/git-mergetool--lib.sh +++ b/git-mergetool--lib.sh @@ -350,20 +350,34 @@ guess_merge_tool () { } get_configured_merge_tool () { - # If first argument is true, find the guitool instead - if test "$1" = true + is_gui="$1" + sections="merge" + keys="tool" + + if diff_mode then - gui_prefix=gui + sections="diff $sections" fi - # Diff mode first tries diff.(gui)tool and falls back to merge.(gui)tool. - # Merge mode only checks merge.(gui)tool - if diff_mode + if "$is_gui" = true then - merge_tool=$(git config diff.${gui_prefix}tool || git config merge.${gui_prefix}tool) - else - merge_tool=$(git config merge.${gui_prefix}tool) + keys="guitool $keys" fi + + merge_tool=$( + IFS=' ' + for key in $keys + do + for section in $sections + do + if selected=$(git config $section.$key) + then + echo "$selected" + return + fi + done + done) + if test -n "$merge_tool" && ! valid_tool "$merge_tool" then echo >&2 "git config option $TOOL_MODE.${gui_prefix}tool set to unknown tool: $merge_tool" diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh index dad607e186..5b61c10a9c 100755 --- a/t/t7610-mergetool.sh +++ b/t/t7610-mergetool.sh @@ -167,6 +167,25 @@ test_expect_success 'gui mergetool' ' git commit -m "branch1 resolved with mergetool" ' +test_expect_success 'gui mergetool without merge.guitool set falls back to merge.tool' ' + test_when_finished "git reset --hard" && + git checkout -b test$test_count branch1 && + git submodule update -N && + test_must_fail git merge master && + ( yes "" | git mergetool --gui both ) && + ( yes "" | git mergetool -g file1 file1 ) && + ( yes "" | git mergetool --gui file2 "spaced name" ) && + ( yes "" | git mergetool --gui subdir/file3 ) && + ( yes "d" | git mergetool --gui file11 ) && + ( yes "d" | git mergetool --gui file12 ) && + ( yes "l" | git mergetool --gui submod ) && + test "$(cat file1)" = "master updated" && + test "$(cat file2)" = "master new" && + test "$(cat subdir/file3)" = "master new sub" && + test "$(cat submod/bar)" = "branch1 submodule" && + git commit -m "branch1 resolved with mergetool" +' + test_expect_success 'mergetool crlf' ' test_when_finished "git reset --hard" && # This test_config line must go after the above reset line so that -- 2.21.0.1000.g11cd861522