RE: [PATCH] blame: add the ability to ignore commits

["Randall S. Becker" <rsbecker@nexbridge.com>]

On January 14, 2019 12:46, Junio C Hamano wrote:
> Barret Rhoden <brho@google.com> writes:
> 
> > On 2019-01-10 at 14:29 Junio C Hamano <gitster@pobox.com> wrote:
> >> > For instance, commit X does this:
> >> >
> >> > -foo(x,y);
> >> > +foo(x,y,z);
> >> >
> >> > Then commit Y comes along to reformat it:
> >> >
> >> > -foo(x,y,z);
> >> > +foo(x, y, z);
> >> >
> >> > And the history / rev-list for the file looks like:
> >> >
> >> > ---O---A---X---B---C---D---Y---E---F
> >> >
> >> > I want to ignore/skip Y and see X in the blame output.
> >>
> >> If you skip Y, the altered history would have "foo(x, y, z)" in E,
> >> "foo(x,y,z)" in X, and "foo(x,y)" in A.  If you start blaming from F,
> >> you'd get E as the commit that explains the latest state.  If you do
> >> not skip Y, you'd get Y.  I am not sure how you'd get X in either
> >> case.
> >
> > The way to do it is ...
> 
> Sorry, I made a too-fuzzy statement.  What I meant was, that unless you
are
> ignoring E, I do not know why you "would want to" attribute a line "foo(x,
y,
> z)" that appears in F to X.  Starting from X up to D (and to Y in real
history, but
> you are ignoring Y), the line was "foo(x,y,z)", after E, it is "foo(x, y,
z)".  I
> didn't mean to ask how you "would show" such a result---as I do not yet
> understand why you would want such a result to begin with.

From my own community, this came up also. The intent was to show everyone
who touched a particular line, throughout history, not just the current one.
Perhaps that is what Barret is going for.

Regards,
Randall