On 2020-06-30 11:26:37+0000, sunlin via GitGitGadget <gitgitgadget@xxxxxxxxx> wrote: > From: "lin.sun" <lin.sun@xxxxxxx> This part needs to be fixed, aka, use your real name here :). > > Make the mergetool used with "meld" backend behave similarly to > how "vimdiff" beheaves by telling it to auto-merge parts without > conflicts and highlight the parts with conflicts. > > Signed-off-by: lin.sun <lin.sun@xxxxxxx> > --- > Enable auto-merge for meld to follow the vimdiff beharior > > Hi, the mergetool "meld" does NOT merge the no-conflict changes, while > the mergetool "vimdiff" will merge the no-conflict changes and highlight > the conflict parts. This patch will make the mergetool "meld" similar to > "vimdiff", auto-merge the no-conflict changes, highlight conflict parts. > > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-781%2Fsunlin7%2Fmaster-v4 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-781/sunlin7/master-v4 > Pull-Request: https://github.com/git/git/pull/781 > > Range-diff vs v3: > > 1: 3b70fd0bfc ! 1: 93ae3ec011 Enable auto-merge for meld to follow the vim-diff beharior > @@ Metadata > ## Commit message ## > Enable auto-merge for meld to follow the vim-diff beharior > > - The mergetool "meld" does NOT merge the no-conflict changes, while the > - mergetool "vimdiff" will merge the no-conflict parts and highlight the > - conflict parts. > - This patch will make the mergetool "meld" similar to "vimdiff", > - auto-merge the no-conflict parts, highlight conflict parts. > + Make the mergetool used with "meld" backend behave similarly to > + how "vimdiff" beheaves by telling it to auto-merge parts without > + conflicts and highlight the parts with conflicts. > > - Signed-off-by: Lin Sun <lin.sun@xxxxxxx> > + Signed-off-by: lin.sun <lin.sun@xxxxxxx> > > ## mergetools/meld ## > -@@ mergetools/meld: merge_cmd () { > - then > - check_meld_for_output_version > - fi > -+ if test -z "${meld_has_auto_merge_option:+set}" > -+ then > -+ check_meld_for_auto_merge_version > -+ fi > +@@ mergetools/meld: diff_cmd () { > + } > + > + merge_cmd () { > +- if test -z "${meld_has_output_option:+set}" > ++ check_meld_for_features > + > + option_auto_merge= > + if test "$meld_has_auto_merge_option" = true > -+ then > + then > +- check_meld_for_output_version > + option_auto_merge="--auto-merge" > -+ fi > + fi > > if test "$meld_has_output_option" = true > then > @@ mergetools/meld: merge_cmd () { > fi > } > > -@@ mergetools/meld: check_meld_for_output_version () { > - meld_has_output_option=false > - fi > - } > -+ > -+# Check whether we should use 'meld --auto-merge ...' > -+check_meld_for_auto_merge_version () { > -+ meld_path="$(git config mergetool.meld.path)" > -+ meld_path="${meld_path:-meld}" > +-# Check whether we should use 'meld --output <file>' > +-check_meld_for_output_version () { > +- meld_path="$(git config mergetool.meld.path)" > +- meld_path="${meld_path:-meld}" > ++# Get meld help message > ++get_meld_help_msg () { > ++ meld_path="$(git config mergetool.meld.path || echo meld)" > ++ $meld_path --help 2>&1 > ++} > + > +- if meld_has_output_option=$(git config --bool mergetool.meld.hasOutput) > ++# Check the features and set flags > ++check_meld_for_features () { > ++ # Check whether we should use 'meld --output <file>' > ++ if test -z "${meld_has_output_option:+set}" > + then > +- : use configured value > +- elif "$meld_path" --help 2>&1 | > +- grep -e '--output=' -e '\[OPTION\.\.\.\]' >/dev/null > ++ meld_has_output_option=$(git config --bool mergetool.meld.hasOutput) > ++ if test "$meld_has_output_option" = true -o \ > ++ "$meld_has_output_option" = false > ++ then > ++ : use configured value > ++ else # treat meld_has_output_option as "auto" > ++ if test -z "$meld_help_msg" > ++ then > ++ meld_help_msg="$(get_meld_help_msg)" > ++ fi > + > -+ if meld_has_auto_merge_option=$(git config --bool mergetool.meld.hasAutoMerge) > -+ then > -+ : use configured value > -+ elif "$meld_path" --help 2>&1 | > -+ grep -e '--auto-merge' -e '\[OPTION\.\.\.\]' >/dev/null > -+ then > -+ : old ones mention --auto-merge and new ones just say OPTION... > -+ meld_has_auto_merge_option=true > -+ else > -+ meld_has_auto_merge_option=false > ++ if echo "$meld_help_msg" | > ++ grep -e '--output=' -e '\[OPTION\.\.\.\]' >/dev/null > ++ then > ++ : old ones mention --output and new ones just say OPTION... > ++ meld_has_output_option=true > ++ else > ++ meld_has_output_option=false > ++ fi > ++ fi > + fi > -+} > ++ # Check whether we should use 'meld --auto-merge ...' > ++ if test -z "${meld_has_auto_merge_option:+set}" > + then > +- : old ones mention --output and new ones just say OPTION... > +- meld_has_output_option=true > +- else > +- meld_has_output_option=false > ++ meld_has_auto_merge_option=$(git config --bool mergetool.meld.hasAutoMerge) > ++ if test "$meld_has_auto_merge_option" = true -o \ > ++ "$meld_has_auto_merge_option" = false > ++ then > ++ : use configured value > ++ else # treat meld_has_auto_merge_option as "auto" > ++ if test -z "$meld_help_msg" > ++ then > ++ meld_help_msg="$(get_meld_help_msg)" > ++ fi > ++ > ++ if echo "$meld_help_msg" | grep -e '--auto-merge' >/dev/null > ++ then > ++ meld_has_auto_merge_option=true > ++ else > ++ meld_has_auto_merge_option=false > ++ fi > ++ fi > + fi > + } > > > mergetools/meld | 73 ++++++++++++++++++++++++++++++++++++++----------- > 1 file changed, 57 insertions(+), 16 deletions(-) > > diff --git a/mergetools/meld b/mergetools/meld > index 7a08470f88..1b92771228 100644 > --- a/mergetools/meld > +++ b/mergetools/meld > @@ -3,34 +3,75 @@ diff_cmd () { > } > > merge_cmd () { > - if test -z "${meld_has_output_option:+set}" > + check_meld_for_features > + > + option_auto_merge= > + if test "$meld_has_auto_merge_option" = true We probably want "meld_want_auto_merge"? Someone may use meld that has --auto-merge but don't want to use it. > then > - check_meld_for_output_version > + option_auto_merge="--auto-merge" > fi > > if test "$meld_has_output_option" = true > then > - "$merge_tool_path" --output="$MERGED" \ > + "$merge_tool_path" $option_auto_merge --output="$MERGED" \ > "$LOCAL" "$BASE" "$REMOTE" > else > - "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE" > + "$merge_tool_path" $option_auto_merge "$LOCAL" "$MERGED" "$REMOTE" > fi > } > > -# Check whether we should use 'meld --output <file>' > -check_meld_for_output_version () { > - meld_path="$(git config mergetool.meld.path)" > - meld_path="${meld_path:-meld}" > +# Get meld help message > +get_meld_help_msg () { > + meld_path="$(git config mergetool.meld.path || echo meld)" > + $meld_path --help 2>&1 We always use TAB for indentation. > +} > > - if meld_has_output_option=$(git config --bool mergetool.meld.hasOutput) > +# Check the features and set flags > +check_meld_for_features () { > + # Check whether we should use 'meld --output <file>' > + if test -z "${meld_has_output_option:+set}" > then > - : use configured value > - elif "$meld_path" --help 2>&1 | > - grep -e '--output=' -e '\[OPTION\.\.\.\]' >/dev/null > + meld_has_output_option=$(git config --bool mergetool.meld.hasOutput) > + if test "$meld_has_output_option" = true -o \ > + "$meld_has_output_option" = false > + then > + : use configured value > + else # treat meld_has_output_option as "auto" Please don't put your comment like this, it's too far away from code, reader may miss that. > + if test -z "$meld_help_msg" > + then > + meld_help_msg="$(get_meld_help_msg)" > + fi > + > + if echo "$meld_help_msg" | > + grep -e '--output=' -e '\[OPTION\.\.\.\]' >/dev/null I probably write like this to save a pipe, a fork and an exec: case "$meld_help_msg" in *"[OPTION"???"]"*) meld_has_output_option=true ;; *) meld_has_output_option=false ;; esac If you don't like the case ... esac, I prefer "grep -q" in this case, I didn't check how much portable it's. Don't forget to hide the error with 2>/dev/null (or in you case 2>&1) > + then > + : old ones mention --output and new ones just say OPTION... > + meld_has_output_option=true > + else > + meld_has_output_option=false > + fi > + fi > + fi > + # Check whether we should use 'meld --auto-merge ...' > + if test -z "${meld_has_auto_merge_option:+set}" > then > - : old ones mention --output and new ones just say OPTION... > - meld_has_output_option=true I think something was forgotten here? > - else > - meld_has_output_option=false > + meld_has_auto_merge_option=$(git config --bool mergetool.meld.hasAutoMerge) > + if test "$meld_has_auto_merge_option" = true -o \ > + "$meld_has_auto_merge_option" = false > + then > + : use configured value > + else # treat meld_has_auto_merge_option as "auto" > + if test -z "$meld_help_msg" > + then > + meld_help_msg="$(get_meld_help_msg)" > + fi > + > + if echo "$meld_help_msg" | grep -e '--auto-merge' >/dev/null And I'll use the same "case ... esac" above for this one :) > + then > + meld_has_auto_merge_option=true > + else > + meld_has_auto_merge_option=false > + fi > + fi > fi > } > > base-commit: 07d8ea56f2ecb64b75b92264770c0a664231ce17 > -- > gitgitgadget -- Danh
