static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line)
{
assert(!mi->filter_stage);
if (mi->header_stage) {
if (!line->len || (line->len == 1 && line->buf[0] == '\n')) {
if (mi->inbody_header_accum.len) {
flush_inbody_header_accum(mi);
mi->header_stage = 0;
}
return 0;
}
}
if (mi->use_inbody_headers && mi->header_stage) {
mi->header_stage = check_inbody_header(mi, line);
if (mi->header_stage)
return 0;
} else
/* Only trim the first (blank) line of the commit message
* when ignoring in-body headers.
*/
mi->header_stage = 0;
/* normalize the log message to UTF-8. */
if (convert_to_utf8(mi, line, mi->charset.buf))
return 0; /* mi->input_error already set */
if (mi->use_scissors && is_scissors_line(line->buf)) {
int i;
strbuf_setlen(&mi->log_message, 0);
mi->header_stage = 1;
/*
* We may have already read "secondary headers"; purge
* them to give ourselves a clean restart.
*/
for (i = 0; header[i]; i++) {
if (mi->s_hdr_data[i])
strbuf_release(mi->s_hdr_data[i]);
mi->s_hdr_data[i] = NULL;
}
return 0;
}
if (patchbreak(line)) {
if (mi->message_id)
strbuf_addf(&mi->log_message,
"Message-Id: %s\n", mi->message_id);
return 1;
}
strbuf_addbuf(&mi->log_message, line);
return 0;
}
static int check_inbody_header(struct mailinfo *mi, const struct strbuf *line)
{
if (mi->inbody_header_accum.len &&
(line->buf[0] == ' ' || line->buf[0] == '\t')) {
if (mi->use_scissors && is_scissors_line(line->buf)) {
/*
* This is a scissors line; do not consider this line
* as a header continuation line.
*/
flush_inbody_header_accum(mi);
return 0;
}
strbuf_strip_suffix(&mi->inbody_header_accum, "\n");
strbuf_addbuf(&mi->inbody_header_accum, line);
return 1;
}
flush_inbody_header_accum(mi);
if (starts_with(line->buf, ">From") && isspace(line->buf[5]))
return is_format_patch_separator(line->buf + 1, line->len - 1);
if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
int i;
for (i = 0; header[i]; i++)
if (!strcmp("Subject", header[i])) {
handle_header(&mi->s_hdr_data[i], line);
return 1;
}
return 0;
}
if (is_inbody_header(mi, line)) {
strbuf_addbuf(&mi->inbody_header_accum, line);
return 1;
}
return 0;
}
static void handle_body(struct mailinfo *mi, struct strbuf *line)
{
struct strbuf prev = STRBUF_INIT;
/* Skip up to the first boundary */
if (*(mi->content_top)) {
if (!find_boundary(mi, line))
goto handle_body_out;
}
do {
/* process any boundary lines */
if (*(mi->content_top) && is_multipart_boundary(mi, line)) {
/* flush any leftover */
if (prev.len) {
handle_filter(mi, &prev);
strbuf_reset(&prev);
}
if (!handle_boundary(mi, line))
goto handle_body_out;
}
/* Unwrap transfer encoding */
decode_transfer_encoding(mi, line);
switch (mi->transfer_encoding) {
case TE_BASE64:
case TE_QP:
{
struct strbuf **lines, **it, *sb;
/* Prepend any previous partial lines */
strbuf_insert(line, 0, prev.buf, prev.len);
strbuf_reset(&prev);
/*
* This is a decoded line that may contain
* multiple new lines. Pass only one chunk
* at a time to handle_filter()
*/
lines = strbuf_split(line, '\n');
for (it = lines; (sb = *it); it++) {
if (*(it + 1) == NULL) /* The last line */
if (sb->buf[sb->len - 1] != '\n') {
/* Partial line, save it for later. */
strbuf_addbuf(&prev, sb);
break;
}
handle_filter(mi, sb);
}
/*
* The partial chunk is saved in "prev" and will be
* appended by the next iteration of read_line_with_nul().
*/
strbuf_list_free(lines);
break;
}
default:
handle_filter(mi, line);
}
if (mi->input_error)
break;
} while (!strbuf_getwholeline(line, mi->input, '\n'));
flush_inbody_header_accum(mi);
handle_body_out:
strbuf_release(&prev);
}
