Junio C Hamano <gitster@xxxxxxxxx> writes:
> ... I do not think you can safely add these two bits here until the
> migration completes.
I accidentally removed a more useful bit I wrote after the above
sentence while editing.
The NEEDSWORK comment in 73c2779f42 ("builtin-am: implement skeletal
builtin am", 2015-08-04) mentions why it calls setup-git-directory
and setup-work-tree instead of letting run_builtin() do so; perhaps
you can do something similar here to fix this.
> I doubt that setting core.usebuiltindifftool to false and running
> the tool from a subdirectory and a pathspec work correctly with this
> patch. If running difftool from a subdirectory with a pathspec is
> not tested in t7800, perhaps we should.
>
> It is nice that we can now lose PERL prerequisite from t7800 ;-)
>
> Thanks.