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Re: [PATCH] range-diff: add a --no-patch option to show a summary

On Tue, Nov 06 2018, Johannes Schindelin wrote:

> Hi,
> On Mon, 5 Nov 2018, Ævar Arnfjörð Bjarmason wrote:
>> On Mon, Nov 05 2018, Eric Sunshine wrote:
>> > On Mon, Nov 5, 2018 at 3:07 PM Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> wrote:
>> >> Add a --no-patch option which shows which changes got removed, added
>> >> or moved etc., without showing the diff associated with them.
>> >
>> > This option existed in the very first version[1] of range-diff (then
>> > called branch-diff) implemented by Dscho, although it was called
>> > --no-patches (with an "es"), which it inherited from tbdiff. I think
>> > someone (possibly me) pointed out that --no-patch (sans "es") would be
>> > more consistent with existing Git options. I don't recall why Dscho
>> > removed the option during the re-rolls, but the explanation may be in
>> > that thread.
>> Thanks for digging. Big thread, not going to re-read it now. I'd just
>> like to have this.
> In my hands, the well-documented `-s` option works (see e.g.
> https://git-scm.com/docs/git-diff#git-diff--s), although I have to admit
> that the `git-range-diff` manual does not talk about the diff-options.
> And for the record, for me, `git range-diff A...B --no-patch` *already*
> works.

Neither of those works for me without my patch. E.g.

    ./git-range-diff -s 711aaa392f...a5ba8f2101
    ./git-range-diff --no-patch 711aaa392f...a5ba8f2101

This is on current next, What version are you

>> > I was also wondering if --summarize or --summary-only might be a
>> > better name, describing the behavior at a higher level, but since
>> > there is precedent for --no-patch (or --no-patches in tbdiff), perhaps
>> > the name is fine as is.
>> I think we should aim to keep a 1=1 mapping between range-diff and
>> log/show options when possible, even though the output might have a
>> slightly different flavor as my 4th paragraph discussing a potential
>> --stat talks about.
>> E.g. I can imagine that range-diff --no-patch --stat --summary would not
>> show the patch, but a stat as described there, plus e.g. a "create
>> mode..." if applicable.
>> This change implements only a tiny fraction of that, but it would be
>> very neat if we supported more stuff, and showed it in range-diff-y way,
>> e.g. some compact format showing:
>>     1 file changed, 3->2 insertions(+), 10->9 deletions(-)
>>     create mode 100(6 -> 7)44 new-executable
>> > The patch itself looks okay.
>> >
>> > [1]: https://public-inbox.org/git/8bc517e35d4842f8d9d98f3b99adb9475d6db2d2.1525361419.git.johannes.schindelin@xxxxxx/