6 #include "string-list.h"
11 #include "reflog-walk.h"
12 #include "gpg-interface.h"
14 static char *user_format;
15 static struct cmt_fmt_map {
20 const char *user_format;
22 static size_t builtin_formats_len;
23 static size_t commit_formats_len;
24 static size_t commit_formats_alloc;
25 static struct cmt_fmt_map *find_commit_format(const char *sought);
27 static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
30 user_format = xstrdup(cp);
32 rev->use_terminator = 1;
33 rev->commit_format = CMIT_FMT_USERFORMAT;
36 static int git_pretty_formats_config(const char *var, const char *value, void *cb)
38 struct cmt_fmt_map *commit_format = NULL;
43 if (prefixcmp(var, "pretty."))
46 name = var + strlen("pretty.");
47 for (i = 0; i < builtin_formats_len; i++) {
48 if (!strcmp(commit_formats[i].name, name))
52 for (i = builtin_formats_len; i < commit_formats_len; i++) {
53 if (!strcmp(commit_formats[i].name, name)) {
54 commit_format = &commit_formats[i];
60 ALLOC_GROW(commit_formats, commit_formats_len+1,
61 commit_formats_alloc);
62 commit_format = &commit_formats[commit_formats_len];
63 memset(commit_format, 0, sizeof(*commit_format));
67 commit_format->name = xstrdup(name);
68 commit_format->format = CMIT_FMT_USERFORMAT;
69 git_config_string(&fmt, var, value);
70 if (!prefixcmp(fmt, "format:") || !prefixcmp(fmt, "tformat:")) {
71 commit_format->is_tformat = fmt[0] == 't';
72 fmt = strchr(fmt, ':') + 1;
73 } else if (strchr(fmt, '%'))
74 commit_format->is_tformat = 1;
76 commit_format->is_alias = 1;
77 commit_format->user_format = fmt;
82 static void setup_commit_formats(void)
84 struct cmt_fmt_map builtin_formats[] = {
85 { "raw", CMIT_FMT_RAW, 0 },
86 { "medium", CMIT_FMT_MEDIUM, 0 },
87 { "short", CMIT_FMT_SHORT, 0 },
88 { "email", CMIT_FMT_EMAIL, 0 },
89 { "fuller", CMIT_FMT_FULLER, 0 },
90 { "full", CMIT_FMT_FULL, 0 },
91 { "oneline", CMIT_FMT_ONELINE, 1 }
93 commit_formats_len = ARRAY_SIZE(builtin_formats);
94 builtin_formats_len = commit_formats_len;
95 ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc);
96 memcpy(commit_formats, builtin_formats,
97 sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats));
99 git_config(git_pretty_formats_config, NULL);
102 static struct cmt_fmt_map *find_commit_format_recursive(const char *sought,
103 const char *original,
104 int num_redirections)
106 struct cmt_fmt_map *found = NULL;
107 size_t found_match_len = 0;
110 if (num_redirections >= commit_formats_len)
111 die("invalid --pretty format: "
112 "'%s' references an alias which points to itself",
115 for (i = 0; i < commit_formats_len; i++) {
118 if (prefixcmp(commit_formats[i].name, sought))
121 match_len = strlen(commit_formats[i].name);
122 if (found == NULL || found_match_len > match_len) {
123 found = &commit_formats[i];
124 found_match_len = match_len;
128 if (found && found->is_alias) {
129 found = find_commit_format_recursive(found->user_format,
137 static struct cmt_fmt_map *find_commit_format(const char *sought)
140 setup_commit_formats();
142 return find_commit_format_recursive(sought, sought, 0);
145 void get_commit_format(const char *arg, struct rev_info *rev)
147 struct cmt_fmt_map *commit_format;
149 rev->use_terminator = 0;
151 rev->commit_format = CMIT_FMT_DEFAULT;
154 if (!prefixcmp(arg, "format:") || !prefixcmp(arg, "tformat:")) {
155 save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't');
159 if (strchr(arg, '%')) {
160 save_user_format(rev, arg, 1);
164 commit_format = find_commit_format(arg);
166 die("invalid --pretty format: %s", arg);
168 rev->commit_format = commit_format->format;
169 rev->use_terminator = commit_format->is_tformat;
170 if (commit_format->format == CMIT_FMT_USERFORMAT) {
171 save_user_format(rev, commit_format->user_format,
172 commit_format->is_tformat);
177 * Generic support for pretty-printing the header
179 static int get_one_line(const char *msg)
194 /* High bit set, or ISO-2022-INT */
195 static int non_ascii(int ch)
197 return !isascii(ch) || ch == '\033';
200 int has_non_ascii(const char *s)
205 while ((ch = *s++) != '\0') {
212 static int is_rfc822_special(char ch)
234 static int has_rfc822_specials(const char *s, int len)
237 for (i = 0; i < len; i++)
238 if (is_rfc822_special(s[i]))
243 static void add_rfc822_quoted(struct strbuf *out, const char *s, int len)
247 /* just a guess, we may have to also backslash-quote */
248 strbuf_grow(out, len + 2);
250 strbuf_addch(out, '"');
251 for (i = 0; i < len; i++) {
255 strbuf_addch(out, '\\');
258 strbuf_addch(out, s[i]);
261 strbuf_addch(out, '"');
264 static int is_rfc2047_special(char ch)
266 return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_'));
269 static void add_rfc2047(struct strbuf *sb, const char *line, int len,
270 const char *encoding)
272 static const int max_length = 78; /* per rfc2822 */
276 /* How many bytes are already used on the current line? */
277 for (i = sb->len - 1; i >= 0; i--)
278 if (sb->buf[i] == '\n')
280 line_len = sb->len - (i+1);
282 for (i = 0; i < len; i++) {
284 if (non_ascii(ch) || ch == '\n')
286 if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
289 strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len);
293 strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
294 strbuf_addf(sb, "=?%s?q?", encoding);
295 line_len += strlen(encoding) + 5; /* 5 for =??q? */
296 for (i = 0; i < len; i++) {
297 unsigned ch = line[i] & 0xFF;
299 if (line_len >= max_length - 2) {
300 strbuf_addf(sb, "?=\n =?%s?q?", encoding);
301 line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */
305 * We encode ' ' using '=20' even though rfc2047
306 * allows using '_' for readability. Unfortunately,
307 * many programs do not understand this and just
308 * leave the underscore in place.
310 if (is_rfc2047_special(ch) || ch == ' ' || ch == '\n') {
311 strbuf_addf(sb, "=%02X", ch);
315 strbuf_addch(sb, ch);
319 strbuf_addstr(sb, "?=");
322 void pp_user_info(const struct pretty_print_context *pp,
323 const char *what, struct strbuf *sb,
324 const char *line, const char *encoding)
331 if (pp->fmt == CMIT_FMT_ONELINE)
333 date = strchr(line, '>');
336 namelen = ++date - line;
337 time = strtoul(date, &date, 10);
338 tz = strtol(date, NULL, 10);
340 if (pp->fmt == CMIT_FMT_EMAIL) {
341 char *name_tail = strchr(line, '<');
342 int display_name_length;
346 while (line < name_tail && isspace(name_tail[-1]))
348 display_name_length = name_tail - line;
349 strbuf_addstr(sb, "From: ");
350 if (!has_rfc822_specials(line, display_name_length)) {
351 add_rfc2047(sb, line, display_name_length, encoding);
353 struct strbuf quoted = STRBUF_INIT;
354 add_rfc822_quoted("ed, line, display_name_length);
355 add_rfc2047(sb, quoted.buf, quoted.len, encoding);
356 strbuf_release("ed);
358 for (final_line = 0; final_line < sb->len; final_line++)
359 if (sb->buf[sb->len - final_line - 1] == '\n')
361 if (namelen - display_name_length + final_line > 78) {
362 strbuf_addch(sb, '\n');
363 if (!isspace(name_tail[0]))
364 strbuf_addch(sb, ' ');
366 strbuf_add(sb, name_tail, namelen - display_name_length);
367 strbuf_addch(sb, '\n');
369 strbuf_addf(sb, "%s: %.*s%.*s\n", what,
370 (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0,
374 case CMIT_FMT_MEDIUM:
375 strbuf_addf(sb, "Date: %s\n", show_date(time, tz, pp->date_mode));
378 strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822));
380 case CMIT_FMT_FULLER:
381 strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode));
389 static int is_empty_line(const char *line, int *len_p)
392 while (len && isspace(line[len-1]))
398 static const char *skip_empty_lines(const char *msg)
401 int linelen = get_one_line(msg);
405 if (!is_empty_line(msg, &ll))
412 static void add_merge_info(const struct pretty_print_context *pp,
413 struct strbuf *sb, const struct commit *commit)
415 struct commit_list *parent = commit->parents;
417 if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) ||
418 !parent || !parent->next)
421 strbuf_addstr(sb, "Merge:");
424 struct commit *p = parent->item;
425 const char *hex = NULL;
427 hex = find_unique_abbrev(p->object.sha1, pp->abbrev);
429 hex = sha1_to_hex(p->object.sha1);
430 parent = parent->next;
432 strbuf_addf(sb, " %s", hex);
434 strbuf_addch(sb, '\n');
437 static char *get_header(const struct commit *commit, const char *key)
439 int key_len = strlen(key);
440 const char *line = commit->buffer;
443 const char *eol = strchr(line, '\n'), *next;
448 eol = line + strlen(line);
452 if (eol - line > key_len &&
453 !strncmp(line, key, key_len) &&
454 line[key_len] == ' ') {
455 return xmemdupz(line + key_len + 1, eol - line - key_len - 1);
461 static char *replace_encoding_header(char *buf, const char *encoding)
463 struct strbuf tmp = STRBUF_INIT;
467 /* guess if there is an encoding header before a \n\n */
468 while (strncmp(cp, "encoding ", strlen("encoding "))) {
469 cp = strchr(cp, '\n');
470 if (!cp || *++cp == '\n')
474 cp = strchr(cp, '\n');
476 return buf; /* should not happen but be defensive */
477 len = cp + 1 - (buf + start);
479 strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1);
480 if (is_encoding_utf8(encoding)) {
481 /* we have re-coded to UTF-8; drop the header */
482 strbuf_remove(&tmp, start, len);
484 /* just replaces XXXX in 'encoding XXXX\n' */
485 strbuf_splice(&tmp, start + strlen("encoding "),
486 len - strlen("encoding \n"),
487 encoding, strlen(encoding));
489 return strbuf_detach(&tmp, NULL);
492 char *logmsg_reencode(const struct commit *commit,
493 const char *output_encoding)
495 static const char *utf8 = "UTF-8";
496 const char *use_encoding;
500 if (!*output_encoding)
502 encoding = get_header(commit, "encoding");
503 use_encoding = encoding ? encoding : utf8;
504 if (!strcmp(use_encoding, output_encoding))
505 if (encoding) /* we'll strip encoding header later */
506 out = xstrdup(commit->buffer);
508 return NULL; /* nothing to do */
510 out = reencode_string(commit->buffer,
511 output_encoding, use_encoding);
513 out = replace_encoding_header(out, output_encoding);
519 static int mailmap_name(char *email, int email_len, char *name, int name_len)
521 static struct string_list *mail_map;
523 mail_map = xcalloc(1, sizeof(*mail_map));
524 read_mailmap(mail_map, NULL);
526 return mail_map->nr && map_user(mail_map, email, email_len, name, name_len);
529 static size_t format_person_part(struct strbuf *sb, char part,
530 const char *msg, int len, enum date_mode dmode)
532 /* currently all placeholders have same length */
533 const int placeholder_len = 2;
535 unsigned long date = 0;
536 char person_name[1024];
537 char person_mail[1024];
538 struct ident_split s;
539 const char *name_start, *name_end, *mail_start, *mail_end;
541 if (split_ident_line(&s, msg, len) < 0)
544 name_start = s.name_begin;
545 name_end = s.name_end;
546 mail_start = s.mail_begin;
547 mail_end = s.mail_end;
549 if (part == 'N' || part == 'E') { /* mailmap lookup */
550 snprintf(person_name, sizeof(person_name), "%.*s",
551 (int)(name_end - name_start), name_start);
552 snprintf(person_mail, sizeof(person_mail), "%.*s",
553 (int)(mail_end - mail_start), mail_start);
554 mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name));
555 name_start = person_name;
556 name_end = name_start + strlen(person_name);
557 mail_start = person_mail;
558 mail_end = mail_start + strlen(person_mail);
560 if (part == 'n' || part == 'N') { /* name */
561 strbuf_add(sb, name_start, name_end-name_start);
562 return placeholder_len;
564 if (part == 'e' || part == 'E') { /* email */
565 strbuf_add(sb, mail_start, mail_end-mail_start);
566 return placeholder_len;
572 date = strtoul(s.date_begin, NULL, 10);
574 if (part == 't') { /* date, UNIX timestamp */
575 strbuf_add(sb, s.date_begin, s.date_end - s.date_begin);
576 return placeholder_len;
580 tz = strtoul(s.tz_begin + 1, NULL, 10);
581 if (*s.tz_begin == '-')
586 strbuf_addstr(sb, show_date(date, tz, dmode));
587 return placeholder_len;
588 case 'D': /* date, RFC2822 style */
589 strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822));
590 return placeholder_len;
591 case 'r': /* date, relative */
592 strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE));
593 return placeholder_len;
594 case 'i': /* date, ISO 8601 */
595 strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601));
596 return placeholder_len;
601 * reading from either a bogus commit, or a reflog entry with
602 * %gn, %ge, etc.; 'sb' cannot be updated, but we still need
603 * to compute a valid return value.
605 if (part == 'n' || part == 'e' || part == 't' || part == 'd'
606 || part == 'D' || part == 'r' || part == 'i')
607 return placeholder_len;
609 return 0; /* unknown placeholder */
617 struct format_commit_context {
618 const struct commit *commit;
619 const struct pretty_print_context *pretty_ctx;
620 unsigned commit_header_parsed:1;
621 unsigned commit_message_parsed:1;
622 unsigned commit_signature_parsed:1;
629 size_t width, indent1, indent2;
631 /* These offsets are relative to the start of the commit message. */
633 struct chunk committer;
634 struct chunk encoding;
639 /* The following ones are relative to the result struct strbuf. */
640 struct chunk abbrev_commit_hash;
641 struct chunk abbrev_tree_hash;
642 struct chunk abbrev_parent_hashes;
646 static int add_again(struct strbuf *sb, struct chunk *chunk)
649 strbuf_adddup(sb, chunk->off, chunk->len);
654 * We haven't seen this chunk before. Our caller is surely
655 * going to add it the hard way now. Remember the most likely
656 * start of the to-be-added chunk: the current end of the
659 chunk->off = sb->len;
663 static void parse_commit_header(struct format_commit_context *context)
665 const char *msg = context->message;
668 for (i = 0; msg[i]; i++) {
670 for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
675 } else if (!prefixcmp(msg + i, "author ")) {
676 context->author.off = i + 7;
677 context->author.len = eol - i - 7;
678 } else if (!prefixcmp(msg + i, "committer ")) {
679 context->committer.off = i + 10;
680 context->committer.len = eol - i - 10;
681 } else if (!prefixcmp(msg + i, "encoding ")) {
682 context->encoding.off = i + 9;
683 context->encoding.len = eol - i - 9;
687 context->message_off = i;
688 context->commit_header_parsed = 1;
691 static int istitlechar(char c)
693 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
694 (c >= '0' && c <= '9') || c == '.' || c == '_';
697 static void format_sanitized_subject(struct strbuf *sb, const char *msg)
700 size_t start_len = sb->len;
703 for (; *msg && *msg != '\n'; msg++) {
704 if (istitlechar(*msg)) {
706 strbuf_addch(sb, '-');
708 strbuf_addch(sb, *msg);
710 while (*(msg+1) == '.')
716 /* trim any trailing '.' or '-' characters */
718 while (sb->len - trimlen > start_len &&
719 (sb->buf[sb->len - 1 - trimlen] == '.'
720 || sb->buf[sb->len - 1 - trimlen] == '-'))
722 strbuf_remove(sb, sb->len - trimlen, trimlen);
725 const char *format_subject(struct strbuf *sb, const char *msg,
726 const char *line_separator)
731 const char *line = msg;
732 int linelen = get_one_line(line);
735 if (!linelen || is_empty_line(line, &linelen))
740 strbuf_grow(sb, linelen + 2);
742 strbuf_addstr(sb, line_separator);
743 strbuf_add(sb, line, linelen);
749 static void parse_commit_message(struct format_commit_context *c)
751 const char *msg = c->message + c->message_off;
752 const char *start = c->message;
754 msg = skip_empty_lines(msg);
755 c->subject_off = msg - start;
757 msg = format_subject(NULL, msg, NULL);
758 msg = skip_empty_lines(msg);
759 c->body_off = msg - start;
761 c->commit_message_parsed = 1;
764 static void format_decoration(struct strbuf *sb, const struct commit *commit)
766 struct name_decoration *d;
767 const char *prefix = " (";
769 load_ref_decorations(DECORATE_SHORT_REFS);
770 d = lookup_decoration(&name_decoration, &commit->object);
772 strbuf_addstr(sb, prefix);
774 strbuf_addstr(sb, d->name);
777 if (prefix[0] == ',')
778 strbuf_addch(sb, ')');
781 static void strbuf_wrap(struct strbuf *sb, size_t pos,
782 size_t width, size_t indent1, size_t indent2)
784 struct strbuf tmp = STRBUF_INIT;
787 strbuf_add(&tmp, sb->buf, pos);
788 strbuf_add_wrapped_text(&tmp, sb->buf + pos,
789 (int) indent1, (int) indent2, (int) width);
790 strbuf_swap(&tmp, sb);
791 strbuf_release(&tmp);
794 static void rewrap_message_tail(struct strbuf *sb,
795 struct format_commit_context *c,
796 size_t new_width, size_t new_indent1,
799 if (c->width == new_width && c->indent1 == new_indent1 &&
800 c->indent2 == new_indent2)
802 if (c->wrap_start < sb->len)
803 strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2);
804 c->wrap_start = sb->len;
805 c->width = new_width;
806 c->indent1 = new_indent1;
807 c->indent2 = new_indent2;
813 } signature_check[] = {
814 { 'G', ": Good signature from " },
815 { 'B', ": BAD signature from " },
818 static void parse_signature_lines(struct format_commit_context *ctx)
820 const char *buf = ctx->signature.gpg_output;
823 for (i = 0; i < ARRAY_SIZE(signature_check); i++) {
824 const char *found = strstr(buf, signature_check[i].check);
828 ctx->signature.good_bad = signature_check[i].result;
829 found += strlen(signature_check[i].check);
830 next = strchrnul(found, '\n');
831 ctx->signature.signer = xmemdupz(found, next - found);
836 static void parse_commit_signature(struct format_commit_context *ctx)
838 struct strbuf payload = STRBUF_INIT;
839 struct strbuf signature = STRBUF_INIT;
840 struct strbuf gpg_output = STRBUF_INIT;
843 ctx->commit_signature_parsed = 1;
845 if (parse_signed_commit(ctx->commit->object.sha1,
846 &payload, &signature) <= 0)
848 status = verify_signed_buffer(payload.buf, payload.len,
849 signature.buf, signature.len,
851 if (status && !gpg_output.len)
853 ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL);
854 parse_signature_lines(ctx);
857 strbuf_release(&gpg_output);
858 strbuf_release(&payload);
859 strbuf_release(&signature);
863 static int format_reflog_person(struct strbuf *sb,
865 struct reflog_walk_info *log,
866 enum date_mode dmode)
873 ident = get_reflog_ident(log);
877 return format_person_part(sb, part, ident, strlen(ident), dmode);
880 static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
883 struct format_commit_context *c = context;
884 const struct commit *commit = c->commit;
885 const char *msg = c->message;
886 struct commit_list *p;
889 /* these are independent of the commit */
890 switch (placeholder[0]) {
892 if (placeholder[1] == '(') {
893 const char *end = strchr(placeholder + 2, ')');
894 char color[COLOR_MAXLEN];
897 color_parse_mem(placeholder + 2,
898 end - (placeholder + 2),
899 "--pretty format", color);
900 strbuf_addstr(sb, color);
901 return end - placeholder + 1;
903 if (!prefixcmp(placeholder + 1, "red")) {
904 strbuf_addstr(sb, GIT_COLOR_RED);
906 } else if (!prefixcmp(placeholder + 1, "green")) {
907 strbuf_addstr(sb, GIT_COLOR_GREEN);
909 } else if (!prefixcmp(placeholder + 1, "blue")) {
910 strbuf_addstr(sb, GIT_COLOR_BLUE);
912 } else if (!prefixcmp(placeholder + 1, "reset")) {
913 strbuf_addstr(sb, GIT_COLOR_RESET);
917 case 'n': /* newline */
918 strbuf_addch(sb, '\n');
921 /* %x00 == NUL, %x0a == LF, etc. */
922 if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
924 0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
926 strbuf_addch(sb, (h1<<4)|h2);
931 if (placeholder[1] == '(') {
932 unsigned long width = 0, indent1 = 0, indent2 = 0;
934 const char *start = placeholder + 2;
935 const char *end = strchr(start, ')');
939 width = strtoul(start, &next, 10);
941 indent1 = strtoul(next + 1, &next, 10);
943 indent2 = strtoul(next + 1,
950 rewrap_message_tail(sb, c, width, indent1, indent2);
951 return end - placeholder + 1;
956 /* these depend on the commit */
957 if (!commit->object.parsed)
958 parse_object(commit->object.sha1);
960 switch (placeholder[0]) {
961 case 'H': /* commit hash */
962 strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
964 case 'h': /* abbreviated commit hash */
965 if (add_again(sb, &c->abbrev_commit_hash))
967 strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
968 c->pretty_ctx->abbrev));
969 c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
971 case 'T': /* tree hash */
972 strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
974 case 't': /* abbreviated tree hash */
975 if (add_again(sb, &c->abbrev_tree_hash))
977 strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
978 c->pretty_ctx->abbrev));
979 c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
981 case 'P': /* parent hashes */
982 for (p = commit->parents; p; p = p->next) {
983 if (p != commit->parents)
984 strbuf_addch(sb, ' ');
985 strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
988 case 'p': /* abbreviated parent hashes */
989 if (add_again(sb, &c->abbrev_parent_hashes))
991 for (p = commit->parents; p; p = p->next) {
992 if (p != commit->parents)
993 strbuf_addch(sb, ' ');
994 strbuf_addstr(sb, find_unique_abbrev(
995 p->item->object.sha1,
996 c->pretty_ctx->abbrev));
998 c->abbrev_parent_hashes.len = sb->len -
999 c->abbrev_parent_hashes.off;
1001 case 'm': /* left/right/bottom */
1002 strbuf_addstr(sb, get_revision_mark(NULL, commit));
1005 format_decoration(sb, commit);
1007 case 'g': /* reflog info */
1008 switch(placeholder[1]) {
1009 case 'd': /* reflog selector */
1011 if (c->pretty_ctx->reflog_info)
1012 get_reflog_selector(sb,
1013 c->pretty_ctx->reflog_info,
1014 c->pretty_ctx->date_mode,
1015 c->pretty_ctx->date_mode_explicit,
1016 (placeholder[1] == 'd'));
1018 case 's': /* reflog message */
1019 if (c->pretty_ctx->reflog_info)
1020 get_reflog_message(sb, c->pretty_ctx->reflog_info);
1026 return format_reflog_person(sb,
1028 c->pretty_ctx->reflog_info,
1029 c->pretty_ctx->date_mode);
1031 return 0; /* unknown %g placeholder */
1033 if (c->pretty_ctx->show_notes) {
1034 format_display_notes(commit->object.sha1, sb,
1035 get_log_output_encoding(), 0);
1041 if (placeholder[0] == 'G') {
1042 if (!c->commit_signature_parsed)
1043 parse_commit_signature(c);
1044 switch (placeholder[1]) {
1046 if (c->signature.gpg_output)
1047 strbuf_addstr(sb, c->signature.gpg_output);
1050 switch (c->signature.good_bad) {
1053 strbuf_addch(sb, c->signature.good_bad);
1057 if (c->signature.signer)
1058 strbuf_addstr(sb, c->signature.signer);
1065 /* For the rest we have to parse the commit header. */
1066 if (!c->commit_header_parsed)
1067 parse_commit_header(c);
1069 switch (placeholder[0]) {
1070 case 'a': /* author ... */
1071 return format_person_part(sb, placeholder[1],
1072 msg + c->author.off, c->author.len,
1073 c->pretty_ctx->date_mode);
1074 case 'c': /* committer ... */
1075 return format_person_part(sb, placeholder[1],
1076 msg + c->committer.off, c->committer.len,
1077 c->pretty_ctx->date_mode);
1078 case 'e': /* encoding */
1079 strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
1081 case 'B': /* raw body */
1082 /* message_off is always left at the initial newline */
1083 strbuf_addstr(sb, msg + c->message_off + 1);
1087 /* Now we need to parse the commit message. */
1088 if (!c->commit_message_parsed)
1089 parse_commit_message(c);
1091 switch (placeholder[0]) {
1092 case 's': /* subject */
1093 format_subject(sb, msg + c->subject_off, " ");
1095 case 'f': /* sanitized subject */
1096 format_sanitized_subject(sb, msg + c->subject_off);
1098 case 'b': /* body */
1099 strbuf_addstr(sb, msg + c->body_off);
1102 return 0; /* unknown placeholder */
1105 static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
1112 ADD_LF_BEFORE_NON_EMPTY,
1113 DEL_LF_BEFORE_EMPTY,
1114 ADD_SP_BEFORE_NON_EMPTY
1117 switch (placeholder[0]) {
1119 magic = DEL_LF_BEFORE_EMPTY;
1122 magic = ADD_LF_BEFORE_NON_EMPTY;
1125 magic = ADD_SP_BEFORE_NON_EMPTY;
1130 if (magic != NO_MAGIC)
1134 consumed = format_commit_one(sb, placeholder, context);
1135 if (magic == NO_MAGIC)
1138 if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) {
1139 while (sb->len && sb->buf[sb->len - 1] == '\n')
1140 strbuf_setlen(sb, sb->len - 1);
1141 } else if (orig_len != sb->len) {
1142 if (magic == ADD_LF_BEFORE_NON_EMPTY)
1143 strbuf_insert(sb, orig_len, "\n", 1);
1144 else if (magic == ADD_SP_BEFORE_NON_EMPTY)
1145 strbuf_insert(sb, orig_len, " ", 1);
1147 return consumed + 1;
1150 static size_t userformat_want_item(struct strbuf *sb, const char *placeholder,
1153 struct userformat_want *w = context;
1155 if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ')
1158 switch (*placeholder) {
1166 void userformat_find_requirements(const char *fmt, struct userformat_want *w)
1168 struct strbuf dummy = STRBUF_INIT;
1175 strbuf_expand(&dummy, fmt, userformat_want_item, w);
1176 strbuf_release(&dummy);
1179 void format_commit_message(const struct commit *commit,
1180 const char *format, struct strbuf *sb,
1181 const struct pretty_print_context *pretty_ctx)
1183 struct format_commit_context context;
1184 static const char utf8[] = "UTF-8";
1185 const char *output_enc = pretty_ctx->output_encoding;
1187 memset(&context, 0, sizeof(context));
1188 context.commit = commit;
1189 context.pretty_ctx = pretty_ctx;
1190 context.wrap_start = sb->len;
1191 context.message = commit->buffer;
1193 char *enc = get_header(commit, "encoding");
1194 if (strcmp(enc ? enc : utf8, output_enc)) {
1195 context.message = logmsg_reencode(commit, output_enc);
1196 if (!context.message)
1197 context.message = commit->buffer;
1202 strbuf_expand(sb, format, format_commit_item, &context);
1203 rewrap_message_tail(sb, &context, 0, 0, 0);
1205 if (context.message != commit->buffer)
1206 free(context.message);
1207 free(context.signature.gpg_output);
1208 free(context.signature.signer);
1211 static void pp_header(const struct pretty_print_context *pp,
1212 const char *encoding,
1213 const struct commit *commit,
1217 int parents_shown = 0;
1220 const char *line = *msg_p;
1221 int linelen = get_one_line(*msg_p);
1231 if (pp->fmt == CMIT_FMT_RAW) {
1232 strbuf_add(sb, line, linelen);
1236 if (!memcmp(line, "parent ", 7)) {
1238 die("bad parent line in commit");
1242 if (!parents_shown) {
1243 struct commit_list *parent;
1245 for (parent = commit->parents, num = 0;
1247 parent = parent->next, num++)
1249 /* with enough slop */
1250 strbuf_grow(sb, num * 50 + 20);
1251 add_merge_info(pp, sb, commit);
1256 * MEDIUM == DEFAULT shows only author with dates.
1257 * FULL shows both authors but not dates.
1258 * FULLER shows both authors and dates.
1260 if (!memcmp(line, "author ", 7)) {
1261 strbuf_grow(sb, linelen + 80);
1262 pp_user_info(pp, "Author", sb, line + 7, encoding);
1264 if (!memcmp(line, "committer ", 10) &&
1265 (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) {
1266 strbuf_grow(sb, linelen + 80);
1267 pp_user_info(pp, "Commit", sb, line + 10, encoding);
1272 void pp_title_line(const struct pretty_print_context *pp,
1275 const char *encoding,
1278 struct strbuf title;
1280 strbuf_init(&title, 80);
1281 *msg_p = format_subject(&title, *msg_p,
1282 pp->preserve_subject ? "\n" : " ");
1284 strbuf_grow(sb, title.len + 1024);
1286 strbuf_addstr(sb, pp->subject);
1287 add_rfc2047(sb, title.buf, title.len, encoding);
1289 strbuf_addbuf(sb, &title);
1291 strbuf_addch(sb, '\n');
1293 if (need_8bit_cte > 0) {
1294 const char *header_fmt =
1295 "MIME-Version: 1.0\n"
1296 "Content-Type: text/plain; charset=%s\n"
1297 "Content-Transfer-Encoding: 8bit\n";
1298 strbuf_addf(sb, header_fmt, encoding);
1300 if (pp->after_subject) {
1301 strbuf_addstr(sb, pp->after_subject);
1303 if (pp->fmt == CMIT_FMT_EMAIL) {
1304 strbuf_addch(sb, '\n');
1306 strbuf_release(&title);
1309 void pp_remainder(const struct pretty_print_context *pp,
1316 const char *line = *msg_p;
1317 int linelen = get_one_line(line);
1323 if (is_empty_line(line, &linelen)) {
1326 if (pp->fmt == CMIT_FMT_SHORT)
1331 strbuf_grow(sb, linelen + indent + 20);
1333 memset(sb->buf + sb->len, ' ', indent);
1334 strbuf_setlen(sb, sb->len + indent);
1336 strbuf_add(sb, line, linelen);
1337 strbuf_addch(sb, '\n');
1341 char *reencode_commit_message(const struct commit *commit, const char **encoding_p)
1343 const char *encoding;
1345 encoding = get_log_output_encoding();
1347 *encoding_p = encoding;
1348 return logmsg_reencode(commit, encoding);
1351 void pretty_print_commit(const struct pretty_print_context *pp,
1352 const struct commit *commit,
1355 unsigned long beginning_of_body;
1357 const char *msg = commit->buffer;
1359 const char *encoding;
1360 int need_8bit_cte = pp->need_8bit_cte;
1362 if (pp->fmt == CMIT_FMT_USERFORMAT) {
1363 format_commit_message(commit, user_format, sb, pp);
1367 reencoded = reencode_commit_message(commit, &encoding);
1372 if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
1376 * We need to check and emit Content-type: to mark it
1377 * as 8-bit if we haven't done so.
1379 if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) {
1382 for (in_body = i = 0; (ch = msg[i]); i++) {
1384 /* author could be non 7-bit ASCII but
1385 * the log may be so; skip over the
1386 * header part first.
1388 if (ch == '\n' && msg[i+1] == '\n')
1391 else if (non_ascii(ch)) {
1398 pp_header(pp, encoding, commit, &msg, sb);
1399 if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) {
1400 strbuf_addch(sb, '\n');
1403 /* Skip excess blank lines at the beginning of body, if any... */
1404 msg = skip_empty_lines(msg);
1406 /* These formats treat the title line specially. */
1407 if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
1408 pp_title_line(pp, &msg, sb, encoding, need_8bit_cte);
1410 beginning_of_body = sb->len;
1411 if (pp->fmt != CMIT_FMT_ONELINE)
1412 pp_remainder(pp, &msg, sb, indent);
1415 /* Make sure there is an EOLN for the non-oneline case */
1416 if (pp->fmt != CMIT_FMT_ONELINE)
1417 strbuf_addch(sb, '\n');
1420 * The caller may append additional body text in e-mail
1421 * format. Make sure we did not strip the blank line
1422 * between the header and the body.
1424 if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
1425 strbuf_addch(sb, '\n');
1428 format_display_notes(commit->object.sha1, sb, encoding,
1429 NOTES_SHOW_HEADER | NOTES_INDENT);
1434 void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
1437 struct pretty_print_context pp = {0};
1439 pretty_print_commit(&pp, commit, sb);