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mailinfo: move filter/header stage to struct mailinfo
Earlier we got rid of two function-scope static variables that kept track of the states of helper functions by making them extra arguments that are passed throughout the callchain. Now we have a convenient place to store and pass them around in the form of "struct mailinfo", change them into two fields in the struct. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -19,6 +19,9 @@ struct mailinfo {
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struct strbuf email;
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int keep_subject;
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int keep_non_patch_brackets_in_subject;
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int filter_stage; /* still reading log or are we copying patch? */
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int header_stage; /* still checking in-body headers? */
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};
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static char *message_id;
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@ -648,25 +651,25 @@ static int is_scissors_line(const struct strbuf *line)
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gap * 2 < perforation);
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}
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static int handle_commit_msg(struct strbuf *line, int *still_looking)
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static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line)
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{
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if (!cmitmsg)
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return 0;
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if (*still_looking) {
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if (mi->header_stage) {
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if (!line->len || (line->len == 1 && line->buf[0] == '\n'))
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return 0;
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}
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if (use_inbody_headers && *still_looking) {
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*still_looking = check_header(line, s_hdr_data, 0);
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if (*still_looking)
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if (use_inbody_headers && mi->header_stage) {
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mi->header_stage = check_header(line, s_hdr_data, 0);
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if (mi->header_stage)
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return 0;
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} else
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/* Only trim the first (blank) line of the commit message
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* when ignoring in-body headers.
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*/
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*still_looking = 0;
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mi->header_stage = 0;
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/* normalize the log message to UTF-8. */
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if (metainfo_charset)
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@ -678,7 +681,7 @@ static int handle_commit_msg(struct strbuf *line, int *still_looking)
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die_errno("Could not rewind output message file");
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if (ftruncate(fileno(cmitmsg), 0))
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die_errno("Could not truncate output message file at scissors");
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*still_looking = 1;
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mi->header_stage = 1;
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/*
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* We may have already read "secondary headers"; purge
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@ -710,13 +713,13 @@ static void handle_patch(const struct strbuf *line)
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patch_lines++;
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}
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static void handle_filter(struct strbuf *line, int *filter_stage, int *header_stage)
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static void handle_filter(struct mailinfo *mi, struct strbuf *line)
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{
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switch (*filter_stage) {
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switch (mi->filter_stage) {
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case 0:
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if (!handle_commit_msg(line, header_stage))
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if (!handle_commit_msg(mi, line))
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break;
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(*filter_stage)++;
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mi->filter_stage++;
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case 1:
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handle_patch(line);
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break;
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@ -800,8 +803,7 @@ static int find_boundary(struct mailinfo *mi, struct strbuf *line)
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return 0;
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}
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static int handle_boundary(struct mailinfo *mi, struct strbuf *line,
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int *filter_stage, int *header_stage)
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static int handle_boundary(struct mailinfo *mi, struct strbuf *line)
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{
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struct strbuf newline = STRBUF_INIT;
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@ -823,7 +825,7 @@ static int handle_boundary(struct mailinfo *mi, struct strbuf *line,
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"can't recover\n");
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exit(1);
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}
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handle_filter(&newline, filter_stage, header_stage);
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handle_filter(mi, &newline);
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strbuf_release(&newline);
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/* skip to the next boundary */
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@ -851,8 +853,6 @@ static int handle_boundary(struct mailinfo *mi, struct strbuf *line,
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static void handle_body(struct mailinfo *mi, struct strbuf *line)
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{
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struct strbuf prev = STRBUF_INIT;
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int filter_stage = 0;
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int header_stage = 1;
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/* Skip up to the first boundary */
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if (*content_top) {
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@ -865,10 +865,10 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
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if (*content_top && is_multipart_boundary(line)) {
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/* flush any leftover */
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if (prev.len) {
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handle_filter(&prev, &filter_stage, &header_stage);
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handle_filter(mi, &prev);
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strbuf_reset(&prev);
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}
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if (!handle_boundary(mi, line, &filter_stage, &header_stage))
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if (!handle_boundary(mi, line))
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goto handle_body_out;
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}
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@ -898,7 +898,7 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
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strbuf_addbuf(&prev, sb);
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break;
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}
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handle_filter(sb, &filter_stage, &header_stage);
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handle_filter(mi, sb);
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}
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/*
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* The partial chunk is saved in "prev" and will be
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@ -908,7 +908,7 @@ static void handle_body(struct mailinfo *mi, struct strbuf *line)
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break;
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}
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default:
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handle_filter(line, &filter_stage, &header_stage);
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handle_filter(mi, line);
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}
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} while (!strbuf_getwholeline(line, mi->input, '\n'));
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@ -1021,6 +1021,7 @@ static void setup_mailinfo(struct mailinfo *mi)
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memset(mi, 0, sizeof(*mi));
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strbuf_init(&mi->name, 0);
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strbuf_init(&mi->email, 0);
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mi->header_stage = 1;
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git_config(git_mailinfo_config, &mi);
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}
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