MinGW: 64-bit file offsets
[git/platforms.git] / pretty.c
blob8d4dbc9fbbcffb73e8669ac08a1292ad2a0f0919
1 #include "cache.h"
2 #include "commit.h"
3 #include "utf8.h"
4 #include "diff.h"
5 #include "revision.h"
6 #include "string-list.h"
7 #include "mailmap.h"
8 #include "log-tree.h"
9 #include "notes.h"
10 #include "color.h"
12 static char *user_format;
14 void get_commit_format(const char *arg, struct rev_info *rev)
16 int i;
17 static struct cmt_fmt_map {
18 const char *n;
19 size_t cmp_len;
20 enum cmit_fmt v;
21 } cmt_fmts[] = {
22 { "raw", 1, CMIT_FMT_RAW },
23 { "medium", 1, CMIT_FMT_MEDIUM },
24 { "short", 1, CMIT_FMT_SHORT },
25 { "email", 1, CMIT_FMT_EMAIL },
26 { "full", 5, CMIT_FMT_FULL },
27 { "fuller", 5, CMIT_FMT_FULLER },
28 { "oneline", 1, CMIT_FMT_ONELINE },
31 rev->use_terminator = 0;
32 if (!arg || !*arg) {
33 rev->commit_format = CMIT_FMT_DEFAULT;
34 return;
36 if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) {
37 const char *cp = strchr(arg, ':') + 1;
38 free(user_format);
39 user_format = xstrdup(cp);
40 if (arg[0] == 't')
41 rev->use_terminator = 1;
42 rev->commit_format = CMIT_FMT_USERFORMAT;
43 return;
45 for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
46 if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
47 !strncmp(arg, cmt_fmts[i].n, strlen(arg))) {
48 if (cmt_fmts[i].v == CMIT_FMT_ONELINE)
49 rev->use_terminator = 1;
50 rev->commit_format = cmt_fmts[i].v;
51 return;
55 die("invalid --pretty format: %s", arg);
59 * Generic support for pretty-printing the header
61 static int get_one_line(const char *msg)
63 int ret = 0;
65 for (;;) {
66 char c = *msg++;
67 if (!c)
68 break;
69 ret++;
70 if (c == '\n')
71 break;
73 return ret;
76 /* High bit set, or ISO-2022-INT */
77 int non_ascii(int ch)
79 ch = (ch & 0xff);
80 return ((ch & 0x80) || (ch == 0x1b));
83 static int is_rfc2047_special(char ch)
85 return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_'));
88 static void add_rfc2047(struct strbuf *sb, const char *line, int len,
89 const char *encoding)
91 int i, last;
93 for (i = 0; i < len; i++) {
94 int ch = line[i];
95 if (non_ascii(ch))
96 goto needquote;
97 if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
98 goto needquote;
100 strbuf_add(sb, line, len);
101 return;
103 needquote:
104 strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
105 strbuf_addf(sb, "=?%s?q?", encoding);
106 for (i = last = 0; i < len; i++) {
107 unsigned ch = line[i] & 0xFF;
109 * We encode ' ' using '=20' even though rfc2047
110 * allows using '_' for readability. Unfortunately,
111 * many programs do not understand this and just
112 * leave the underscore in place.
114 if (is_rfc2047_special(ch) || ch == ' ') {
115 strbuf_add(sb, line + last, i - last);
116 strbuf_addf(sb, "=%02X", ch);
117 last = i + 1;
120 strbuf_add(sb, line + last, len - last);
121 strbuf_addstr(sb, "?=");
124 void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
125 const char *line, enum date_mode dmode,
126 const char *encoding)
128 char *date;
129 int namelen;
130 unsigned long time;
131 int tz;
132 const char *filler = " ";
134 if (fmt == CMIT_FMT_ONELINE)
135 return;
136 date = strchr(line, '>');
137 if (!date)
138 return;
139 namelen = ++date - line;
140 time = strtoul(date, &date, 10);
141 tz = strtol(date, NULL, 10);
143 if (fmt == CMIT_FMT_EMAIL) {
144 char *name_tail = strchr(line, '<');
145 int display_name_length;
146 if (!name_tail)
147 return;
148 while (line < name_tail && isspace(name_tail[-1]))
149 name_tail--;
150 display_name_length = name_tail - line;
151 filler = "";
152 strbuf_addstr(sb, "From: ");
153 add_rfc2047(sb, line, display_name_length, encoding);
154 strbuf_add(sb, name_tail, namelen - display_name_length);
155 strbuf_addch(sb, '\n');
156 } else {
157 strbuf_addf(sb, "%s: %.*s%.*s\n", what,
158 (fmt == CMIT_FMT_FULLER) ? 4 : 0,
159 filler, namelen, line);
161 switch (fmt) {
162 case CMIT_FMT_MEDIUM:
163 strbuf_addf(sb, "Date: %s\n", show_date(time, tz, dmode));
164 break;
165 case CMIT_FMT_EMAIL:
166 strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822));
167 break;
168 case CMIT_FMT_FULLER:
169 strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, dmode));
170 break;
171 default:
172 /* notin' */
173 break;
177 static int is_empty_line(const char *line, int *len_p)
179 int len = *len_p;
180 while (len && isspace(line[len-1]))
181 len--;
182 *len_p = len;
183 return !len;
186 static const char *skip_empty_lines(const char *msg)
188 for (;;) {
189 int linelen = get_one_line(msg);
190 int ll = linelen;
191 if (!linelen)
192 break;
193 if (!is_empty_line(msg, &ll))
194 break;
195 msg += linelen;
197 return msg;
200 static void add_merge_info(enum cmit_fmt fmt, struct strbuf *sb,
201 const struct commit *commit, int abbrev)
203 struct commit_list *parent = commit->parents;
205 if ((fmt == CMIT_FMT_ONELINE) || (fmt == CMIT_FMT_EMAIL) ||
206 !parent || !parent->next)
207 return;
209 strbuf_addstr(sb, "Merge:");
211 while (parent) {
212 struct commit *p = parent->item;
213 const char *hex = NULL;
214 const char *dots;
215 if (abbrev)
216 hex = find_unique_abbrev(p->object.sha1, abbrev);
217 if (!hex)
218 hex = sha1_to_hex(p->object.sha1);
219 dots = (abbrev && strlen(hex) != 40) ? "..." : "";
220 parent = parent->next;
222 strbuf_addf(sb, " %s%s", hex, dots);
224 strbuf_addch(sb, '\n');
227 static char *get_header(const struct commit *commit, const char *key)
229 int key_len = strlen(key);
230 const char *line = commit->buffer;
232 for (;;) {
233 const char *eol = strchr(line, '\n'), *next;
235 if (line == eol)
236 return NULL;
237 if (!eol) {
238 eol = line + strlen(line);
239 next = NULL;
240 } else
241 next = eol + 1;
242 if (eol - line > key_len &&
243 !strncmp(line, key, key_len) &&
244 line[key_len] == ' ') {
245 return xmemdupz(line + key_len + 1, eol - line - key_len - 1);
247 line = next;
251 static char *replace_encoding_header(char *buf, const char *encoding)
253 struct strbuf tmp = STRBUF_INIT;
254 size_t start, len;
255 char *cp = buf;
257 /* guess if there is an encoding header before a \n\n */
258 while (strncmp(cp, "encoding ", strlen("encoding "))) {
259 cp = strchr(cp, '\n');
260 if (!cp || *++cp == '\n')
261 return buf;
263 start = cp - buf;
264 cp = strchr(cp, '\n');
265 if (!cp)
266 return buf; /* should not happen but be defensive */
267 len = cp + 1 - (buf + start);
269 strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1);
270 if (is_encoding_utf8(encoding)) {
271 /* we have re-coded to UTF-8; drop the header */
272 strbuf_remove(&tmp, start, len);
273 } else {
274 /* just replaces XXXX in 'encoding XXXX\n' */
275 strbuf_splice(&tmp, start + strlen("encoding "),
276 len - strlen("encoding \n"),
277 encoding, strlen(encoding));
279 return strbuf_detach(&tmp, NULL);
282 static char *logmsg_reencode(const struct commit *commit,
283 const char *output_encoding)
285 static const char *utf8 = "utf-8";
286 const char *use_encoding;
287 char *encoding;
288 char *out;
290 if (!*output_encoding)
291 return NULL;
292 encoding = get_header(commit, "encoding");
293 use_encoding = encoding ? encoding : utf8;
294 if (!strcmp(use_encoding, output_encoding))
295 if (encoding) /* we'll strip encoding header later */
296 out = xstrdup(commit->buffer);
297 else
298 return NULL; /* nothing to do */
299 else
300 out = reencode_string(commit->buffer,
301 output_encoding, use_encoding);
302 if (out)
303 out = replace_encoding_header(out, output_encoding);
305 free(encoding);
306 return out;
309 static int mailmap_name(struct strbuf *sb, const char *email)
311 static struct string_list *mail_map;
312 char buffer[1024];
314 if (!mail_map) {
315 mail_map = xcalloc(1, sizeof(*mail_map));
316 read_mailmap(mail_map, ".mailmap", NULL);
319 if (!mail_map->nr)
320 return -1;
322 if (!map_email(mail_map, email, buffer, sizeof(buffer)))
323 return -1;
324 strbuf_addstr(sb, buffer);
325 return 0;
328 static size_t format_person_part(struct strbuf *sb, char part,
329 const char *msg, int len, enum date_mode dmode)
331 /* currently all placeholders have same length */
332 const int placeholder_len = 2;
333 int start, end, tz = 0;
334 unsigned long date = 0;
335 char *ep;
337 /* advance 'end' to point to email start delimiter */
338 for (end = 0; end < len && msg[end] != '<'; end++)
339 ; /* do nothing */
342 * When end points at the '<' that we found, it should have
343 * matching '>' later, which means 'end' must be strictly
344 * below len - 1.
346 if (end >= len - 2)
347 goto skip;
349 if (part == 'n' || part == 'N') { /* name */
350 while (end > 0 && isspace(msg[end - 1]))
351 end--;
352 if (part != 'N' || !msg[end] || !msg[end + 1] ||
353 mailmap_name(sb, msg + end + 2) < 0)
354 strbuf_add(sb, msg, end);
355 return placeholder_len;
357 start = ++end; /* save email start position */
359 /* advance 'end' to point to email end delimiter */
360 for ( ; end < len && msg[end] != '>'; end++)
361 ; /* do nothing */
363 if (end >= len)
364 goto skip;
366 if (part == 'e') { /* email */
367 strbuf_add(sb, msg + start, end - start);
368 return placeholder_len;
371 /* advance 'start' to point to date start delimiter */
372 for (start = end + 1; start < len && isspace(msg[start]); start++)
373 ; /* do nothing */
374 if (start >= len)
375 goto skip;
376 date = strtoul(msg + start, &ep, 10);
377 if (msg + start == ep)
378 goto skip;
380 if (part == 't') { /* date, UNIX timestamp */
381 strbuf_add(sb, msg + start, ep - (msg + start));
382 return placeholder_len;
385 /* parse tz */
386 for (start = ep - msg + 1; start < len && isspace(msg[start]); start++)
387 ; /* do nothing */
388 if (start + 1 < len) {
389 tz = strtoul(msg + start + 1, NULL, 10);
390 if (msg[start] == '-')
391 tz = -tz;
394 switch (part) {
395 case 'd': /* date */
396 strbuf_addstr(sb, show_date(date, tz, dmode));
397 return placeholder_len;
398 case 'D': /* date, RFC2822 style */
399 strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822));
400 return placeholder_len;
401 case 'r': /* date, relative */
402 strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE));
403 return placeholder_len;
404 case 'i': /* date, ISO 8601 */
405 strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601));
406 return placeholder_len;
409 skip:
411 * bogus commit, 'sb' cannot be updated, but we still need to
412 * compute a valid return value.
414 if (part == 'n' || part == 'e' || part == 't' || part == 'd'
415 || part == 'D' || part == 'r' || part == 'i')
416 return placeholder_len;
418 return 0; /* unknown placeholder */
421 struct chunk {
422 size_t off;
423 size_t len;
426 struct format_commit_context {
427 const struct commit *commit;
428 enum date_mode dmode;
429 unsigned commit_header_parsed:1;
430 unsigned commit_message_parsed:1;
432 /* These offsets are relative to the start of the commit message. */
433 struct chunk author;
434 struct chunk committer;
435 struct chunk encoding;
436 size_t message_off;
437 size_t subject_off;
438 size_t body_off;
440 /* The following ones are relative to the result struct strbuf. */
441 struct chunk abbrev_commit_hash;
442 struct chunk abbrev_tree_hash;
443 struct chunk abbrev_parent_hashes;
446 static int add_again(struct strbuf *sb, struct chunk *chunk)
448 if (chunk->len) {
449 strbuf_adddup(sb, chunk->off, chunk->len);
450 return 1;
454 * We haven't seen this chunk before. Our caller is surely
455 * going to add it the hard way now. Remember the most likely
456 * start of the to-be-added chunk: the current end of the
457 * struct strbuf.
459 chunk->off = sb->len;
460 return 0;
463 static void parse_commit_header(struct format_commit_context *context)
465 const char *msg = context->commit->buffer;
466 int i;
468 for (i = 0; msg[i]; i++) {
469 int eol;
470 for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
471 ; /* do nothing */
473 if (i == eol) {
474 break;
475 } else if (!prefixcmp(msg + i, "author ")) {
476 context->author.off = i + 7;
477 context->author.len = eol - i - 7;
478 } else if (!prefixcmp(msg + i, "committer ")) {
479 context->committer.off = i + 10;
480 context->committer.len = eol - i - 10;
481 } else if (!prefixcmp(msg + i, "encoding ")) {
482 context->encoding.off = i + 9;
483 context->encoding.len = eol - i - 9;
485 i = eol;
487 context->message_off = i;
488 context->commit_header_parsed = 1;
491 const char *format_subject(struct strbuf *sb, const char *msg,
492 const char *line_separator)
494 int first = 1;
496 for (;;) {
497 const char *line = msg;
498 int linelen = get_one_line(line);
500 msg += linelen;
501 if (!linelen || is_empty_line(line, &linelen))
502 break;
504 if (!sb)
505 continue;
506 strbuf_grow(sb, linelen + 2);
507 if (!first)
508 strbuf_addstr(sb, line_separator);
509 strbuf_add(sb, line, linelen);
510 first = 0;
512 return msg;
515 static void parse_commit_message(struct format_commit_context *c)
517 const char *msg = c->commit->buffer + c->message_off;
518 const char *start = c->commit->buffer;
520 msg = skip_empty_lines(msg);
521 c->subject_off = msg - start;
523 msg = format_subject(NULL, msg, NULL);
524 msg = skip_empty_lines(msg);
525 c->body_off = msg - start;
527 c->commit_message_parsed = 1;
530 static void format_decoration(struct strbuf *sb, const struct commit *commit)
532 struct name_decoration *d;
533 const char *prefix = " (";
535 load_ref_decorations();
536 d = lookup_decoration(&name_decoration, &commit->object);
537 while (d) {
538 strbuf_addstr(sb, prefix);
539 prefix = ", ";
540 strbuf_addstr(sb, d->name);
541 d = d->next;
543 if (prefix[0] == ',')
544 strbuf_addch(sb, ')');
547 static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
548 void *context)
550 struct format_commit_context *c = context;
551 const struct commit *commit = c->commit;
552 const char *msg = commit->buffer;
553 struct commit_list *p;
554 int h1, h2;
556 /* these are independent of the commit */
557 switch (placeholder[0]) {
558 case 'C':
559 if (placeholder[1] == '(') {
560 const char *end = strchr(placeholder + 2, ')');
561 char color[COLOR_MAXLEN];
562 if (!end)
563 return 0;
564 color_parse_mem(placeholder + 2,
565 end - (placeholder + 2),
566 "--pretty format", color);
567 strbuf_addstr(sb, color);
568 return end - placeholder + 1;
570 if (!prefixcmp(placeholder + 1, "red")) {
571 strbuf_addstr(sb, "\033[31m");
572 return 4;
573 } else if (!prefixcmp(placeholder + 1, "green")) {
574 strbuf_addstr(sb, "\033[32m");
575 return 6;
576 } else if (!prefixcmp(placeholder + 1, "blue")) {
577 strbuf_addstr(sb, "\033[34m");
578 return 5;
579 } else if (!prefixcmp(placeholder + 1, "reset")) {
580 strbuf_addstr(sb, "\033[m");
581 return 6;
582 } else
583 return 0;
584 case 'n': /* newline */
585 strbuf_addch(sb, '\n');
586 return 1;
587 case 'x':
588 /* %x00 == NUL, %x0a == LF, etc. */
589 if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
590 h1 <= 16 &&
591 0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
592 h2 <= 16) {
593 strbuf_addch(sb, (h1<<4)|h2);
594 return 3;
595 } else
596 return 0;
599 /* these depend on the commit */
600 if (!commit->object.parsed)
601 parse_object(commit->object.sha1);
603 switch (placeholder[0]) {
604 case 'H': /* commit hash */
605 strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
606 return 1;
607 case 'h': /* abbreviated commit hash */
608 if (add_again(sb, &c->abbrev_commit_hash))
609 return 1;
610 strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
611 DEFAULT_ABBREV));
612 c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
613 return 1;
614 case 'T': /* tree hash */
615 strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
616 return 1;
617 case 't': /* abbreviated tree hash */
618 if (add_again(sb, &c->abbrev_tree_hash))
619 return 1;
620 strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
621 DEFAULT_ABBREV));
622 c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
623 return 1;
624 case 'P': /* parent hashes */
625 for (p = commit->parents; p; p = p->next) {
626 if (p != commit->parents)
627 strbuf_addch(sb, ' ');
628 strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
630 return 1;
631 case 'p': /* abbreviated parent hashes */
632 if (add_again(sb, &c->abbrev_parent_hashes))
633 return 1;
634 for (p = commit->parents; p; p = p->next) {
635 if (p != commit->parents)
636 strbuf_addch(sb, ' ');
637 strbuf_addstr(sb, find_unique_abbrev(
638 p->item->object.sha1, DEFAULT_ABBREV));
640 c->abbrev_parent_hashes.len = sb->len -
641 c->abbrev_parent_hashes.off;
642 return 1;
643 case 'm': /* left/right/bottom */
644 strbuf_addch(sb, (commit->object.flags & BOUNDARY)
645 ? '-'
646 : (commit->object.flags & SYMMETRIC_LEFT)
647 ? '<'
648 : '>');
649 return 1;
650 case 'd':
651 format_decoration(sb, commit);
652 return 1;
655 /* For the rest we have to parse the commit header. */
656 if (!c->commit_header_parsed)
657 parse_commit_header(c);
659 switch (placeholder[0]) {
660 case 'a': /* author ... */
661 return format_person_part(sb, placeholder[1],
662 msg + c->author.off, c->author.len,
663 c->dmode);
664 case 'c': /* committer ... */
665 return format_person_part(sb, placeholder[1],
666 msg + c->committer.off, c->committer.len,
667 c->dmode);
668 case 'e': /* encoding */
669 strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
670 return 1;
673 /* Now we need to parse the commit message. */
674 if (!c->commit_message_parsed)
675 parse_commit_message(c);
677 switch (placeholder[0]) {
678 case 's': /* subject */
679 format_subject(sb, msg + c->subject_off, " ");
680 return 1;
681 case 'b': /* body */
682 strbuf_addstr(sb, msg + c->body_off);
683 return 1;
685 return 0; /* unknown placeholder */
688 void format_commit_message(const struct commit *commit,
689 const void *format, struct strbuf *sb,
690 enum date_mode dmode)
692 struct format_commit_context context;
694 memset(&context, 0, sizeof(context));
695 context.commit = commit;
696 context.dmode = dmode;
697 strbuf_expand(sb, format, format_commit_item, &context);
700 static void pp_header(enum cmit_fmt fmt,
701 int abbrev,
702 enum date_mode dmode,
703 const char *encoding,
704 const struct commit *commit,
705 const char **msg_p,
706 struct strbuf *sb)
708 int parents_shown = 0;
710 for (;;) {
711 const char *line = *msg_p;
712 int linelen = get_one_line(*msg_p);
714 if (!linelen)
715 return;
716 *msg_p += linelen;
718 if (linelen == 1)
719 /* End of header */
720 return;
722 if (fmt == CMIT_FMT_RAW) {
723 strbuf_add(sb, line, linelen);
724 continue;
727 if (!memcmp(line, "parent ", 7)) {
728 if (linelen != 48)
729 die("bad parent line in commit");
730 continue;
733 if (!parents_shown) {
734 struct commit_list *parent;
735 int num;
736 for (parent = commit->parents, num = 0;
737 parent;
738 parent = parent->next, num++)
740 /* with enough slop */
741 strbuf_grow(sb, num * 50 + 20);
742 add_merge_info(fmt, sb, commit, abbrev);
743 parents_shown = 1;
747 * MEDIUM == DEFAULT shows only author with dates.
748 * FULL shows both authors but not dates.
749 * FULLER shows both authors and dates.
751 if (!memcmp(line, "author ", 7)) {
752 strbuf_grow(sb, linelen + 80);
753 pp_user_info("Author", fmt, sb, line + 7, dmode, encoding);
755 if (!memcmp(line, "committer ", 10) &&
756 (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) {
757 strbuf_grow(sb, linelen + 80);
758 pp_user_info("Commit", fmt, sb, line + 10, dmode, encoding);
763 void pp_title_line(enum cmit_fmt fmt,
764 const char **msg_p,
765 struct strbuf *sb,
766 const char *subject,
767 const char *after_subject,
768 const char *encoding,
769 int need_8bit_cte)
771 const char *line_separator = (fmt == CMIT_FMT_EMAIL) ? "\n " : " ";
772 struct strbuf title;
774 strbuf_init(&title, 80);
775 *msg_p = format_subject(&title, *msg_p, line_separator);
777 strbuf_grow(sb, title.len + 1024);
778 if (subject) {
779 strbuf_addstr(sb, subject);
780 add_rfc2047(sb, title.buf, title.len, encoding);
781 } else {
782 strbuf_addbuf(sb, &title);
784 strbuf_addch(sb, '\n');
786 if (need_8bit_cte > 0) {
787 const char *header_fmt =
788 "MIME-Version: 1.0\n"
789 "Content-Type: text/plain; charset=%s\n"
790 "Content-Transfer-Encoding: 8bit\n";
791 strbuf_addf(sb, header_fmt, encoding);
793 if (after_subject) {
794 strbuf_addstr(sb, after_subject);
796 if (fmt == CMIT_FMT_EMAIL) {
797 strbuf_addch(sb, '\n');
799 strbuf_release(&title);
802 void pp_remainder(enum cmit_fmt fmt,
803 const char **msg_p,
804 struct strbuf *sb,
805 int indent)
807 int first = 1;
808 for (;;) {
809 const char *line = *msg_p;
810 int linelen = get_one_line(line);
811 *msg_p += linelen;
813 if (!linelen)
814 break;
816 if (is_empty_line(line, &linelen)) {
817 if (first)
818 continue;
819 if (fmt == CMIT_FMT_SHORT)
820 break;
822 first = 0;
824 strbuf_grow(sb, linelen + indent + 20);
825 if (indent) {
826 memset(sb->buf + sb->len, ' ', indent);
827 strbuf_setlen(sb, sb->len + indent);
829 strbuf_add(sb, line, linelen);
830 strbuf_addch(sb, '\n');
834 char *reencode_commit_message(const struct commit *commit, const char **encoding_p)
836 const char *encoding;
838 encoding = (git_log_output_encoding
839 ? git_log_output_encoding
840 : git_commit_encoding);
841 if (!encoding)
842 encoding = "utf-8";
843 if (encoding_p)
844 *encoding_p = encoding;
845 return logmsg_reencode(commit, encoding);
848 void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
849 struct strbuf *sb, int abbrev,
850 const char *subject, const char *after_subject,
851 enum date_mode dmode, int need_8bit_cte)
853 unsigned long beginning_of_body;
854 int indent = 4;
855 const char *msg = commit->buffer;
856 char *reencoded;
857 const char *encoding;
859 if (fmt == CMIT_FMT_USERFORMAT) {
860 format_commit_message(commit, user_format, sb, dmode);
861 return;
864 reencoded = reencode_commit_message(commit, &encoding);
865 if (reencoded) {
866 msg = reencoded;
869 if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
870 indent = 0;
873 * We need to check and emit Content-type: to mark it
874 * as 8-bit if we haven't done so.
876 if (fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) {
877 int i, ch, in_body;
879 for (in_body = i = 0; (ch = msg[i]); i++) {
880 if (!in_body) {
881 /* author could be non 7-bit ASCII but
882 * the log may be so; skip over the
883 * header part first.
885 if (ch == '\n' && msg[i+1] == '\n')
886 in_body = 1;
888 else if (non_ascii(ch)) {
889 need_8bit_cte = 1;
890 break;
895 pp_header(fmt, abbrev, dmode, encoding, commit, &msg, sb);
896 if (fmt != CMIT_FMT_ONELINE && !subject) {
897 strbuf_addch(sb, '\n');
900 /* Skip excess blank lines at the beginning of body, if any... */
901 msg = skip_empty_lines(msg);
903 /* These formats treat the title line specially. */
904 if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)
905 pp_title_line(fmt, &msg, sb, subject,
906 after_subject, encoding, need_8bit_cte);
908 beginning_of_body = sb->len;
909 if (fmt != CMIT_FMT_ONELINE)
910 pp_remainder(fmt, &msg, sb, indent);
911 strbuf_rtrim(sb);
913 /* Make sure there is an EOLN for the non-oneline case */
914 if (fmt != CMIT_FMT_ONELINE)
915 strbuf_addch(sb, '\n');
918 * The caller may append additional body text in e-mail
919 * format. Make sure we did not strip the blank line
920 * between the header and the body.
922 if (fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
923 strbuf_addch(sb, '\n');
925 if (fmt != CMIT_FMT_ONELINE)
926 get_commit_notes(commit, sb, encoding);
928 free(reencoded);