Jeff King <[email protected]> writes:
> On Fri, Feb 08, 2013 at 04:47:01PM -0800, Junio C Hamano wrote:
>
>> > Yeah, that actually is a good point. We should be using logmsg_reencode
>> > so that we look for strings in the user's encoding.
>>
>> Perhaps like this. Just like the previous one (which should be
>> discarded), this makes the function always use the temporary strbuf,
>> so doing this upfront actually loses more code than it adds ;-)
>
> I didn't see this in What's Cooking or pu. We should probably pick an
> approach and go with it.
>
> I think using logmsg_reencode makes sense. I'd be in favor of avoiding
> the extra copy in the common case, so something like the patch below. If
> you feel strongly about the code cleanup at the minor run-time expense,
> I won't argue too much, though.
Sounds good to me. Care to do the log message while at it?
> ---
> diff --git a/revision.c b/revision.c
> index d7562ee..a08d0a5 100644
> --- a/revision.c
> +++ b/revision.c
> @@ -2268,7 +2268,10 @@ static int commit_match(struct commit *commit, struct
> rev_info *opt)
> static int commit_match(struct commit *commit, struct rev_info *opt)
> {
> int retval;
> + const char *encoding;
> + const char *message;
> struct strbuf buf = STRBUF_INIT;
> +
> if (!opt->grep_filter.pattern_list && !opt->grep_filter.header_list)
> return 1;
>
> @@ -2279,13 +2282,23 @@ static int commit_match(struct commit *commit, struct
> rev_info *opt)
> strbuf_addch(&buf, '\n');
> }
>
> + /*
> + * We grep in the user's output encoding, under the assumption that it
> + * is the encoding they are most likely to write their grep pattern
> + * for. In addition, it means we will match the "notes" encoding below,
> + * so we will not end up with a buffer that has two different encodings
> + * in it.
> + */
> + encoding = get_log_output_encoding();
> + message = logmsg_reencode(commit, encoding);
> +
> /* Copy the commit to temporary if we are using "fake" headers */
> if (buf.len)
> - strbuf_addstr(&buf, commit->buffer);
> + strbuf_addstr(&buf, message);
>
> if (opt->grep_filter.header_list && opt->mailmap) {
> if (!buf.len)
> - strbuf_addstr(&buf, commit->buffer);
> + strbuf_addstr(&buf, message);
>
> commit_rewrite_person(&buf, "\nauthor ", opt->mailmap);
> commit_rewrite_person(&buf, "\ncommitter ", opt->mailmap);
> @@ -2294,18 +2307,18 @@ static int commit_match(struct commit *commit, struct
> rev_info *opt)
> /* Append "fake" message parts as needed */
> if (opt->show_notes) {
> if (!buf.len)
> - strbuf_addstr(&buf, commit->buffer);
> - format_display_notes(commit->object.sha1, &buf,
> - get_log_output_encoding(), 1);
> + strbuf_addstr(&buf, message);
> + format_display_notes(commit->object.sha1, &buf, encoding, 1);
> }
>
> - /* Find either in the commit object, or in the temporary */
> + /* Find either in the original commit message, or in the temporary */
> if (buf.len)
> retval = grep_buffer(&opt->grep_filter, buf.buf, buf.len);
> else
> retval = grep_buffer(&opt->grep_filter,
> - commit->buffer, strlen(commit->buffer));
> + message, strlen(message));
> strbuf_release(&buf);
> + logmsg_free(message, commit);
> return retval;
> }
>
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