Re: [PATCH v14 07/13] ref-filter: add support for %(contents:lines=X)

> On Sat, Aug 29, 2015 at 10:12 AM, Karthik Nayak <karthik.188@gmail.com> wrote:
>> In 'tag.c' we can print N lines from the annotation of the tag using
>> the '-n<num>' option. Copy code from 'tag.c' to 'ref-filter' and
>> modify it to support appending of N lines from the annotation of tags
>> to the given strbuf.
>>
>> Implement %(contents:lines=X) where X lines of the given object are
>> obtained.
>>
>> Add documentation and test for the same.
>>
>> Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
>> ---
>> @@ -608,6 +672,15 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj
>>                         v->s = xmemdupz(sigpos, siglen);
>>                 else if (!strcmp(name, "contents"))
>>                         v->s = xstrdup(subpos);
>> +               else if (skip_prefix(name, "contents:lines=", &valp)) {
>> +                       struct contents *contents = xmalloc(sizeof(struct contents));
>> +
>> +                       if (strtoul_ui(valp, 10, &contents->lines))
>> +                               die(_("positive width expected align:%s"), valp);
>
> I forgot to mention this when I reviewed the patch earlier[1], but you
> copied this error message a bit too literally from the %(align:) atom.
>
> [1]: http://article.gmane.org/gmane.comp.version-control.git/276807
>