Re: [PATCH 2/3] mergetool-lib: keep a list of cross desktop merge tools

> On Wed, Aug 5, 2020 at 3:53 PM Marco Trevisan (Treviño) via
> GitGitGadget <gitgitgadget@gmail.com> wrote:
>> Instead of repeating the same tools multiple times, let's just keep them
>> in another variable and list them depending the current desktop
>>
>> Signed-off-by: Marco Trevisan (Treviño) <mail@3v1n0.net>
>> ---
>> diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
>> @@ -288,11 +288,12 @@ list_merge_tool_candidates () {
>>         if test -n "$DISPLAY"
>>         then
>> +               cross_desktop_tools="opendiff kdiff3 tkdiff xxdiff"
>>                 if is_desktop "GNOME"
>>                 then
>> -                       tools="meld opendiff kdiff3 tkdiff xxdiff $tools"
>> +                       tools="meld $cross_desktop_tools $tools"
>>                 else
>> -                       tools="opendiff kdiff3 tkdiff xxdiff meld $tools"
>> +                       tools="$cross_desktop_tools meld $tools"
>>                 fi
> 
> I have mixed feelings about this change. On the one hand, I see the
> reason for doing it if the list of tools remains substantially the
> same in each case, but it also seems like it could become a burden,
> possibly requiring factoring the list into more pieces, as new
> platforms or tools are added.
> 
> What I might find more compelling is creation of a table of tools and
> the platforms for which they are suitable. It doesn't seem like it
> would be too difficult to express such a table in shell and to extract
> the desired rows (but that might be overkill). At any rate, I'm rather
> "meh" on this change, though I don't oppose it strongly.