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;
534 int start, end, tz = 0;
535 unsigned long date = 0;
537 const char *name_start, *name_end, *mail_start, *mail_end, *msg_end = msg+len;
538 char person_name[1024];
539 char person_mail[1024];
541 /* advance 'end' to point to email start delimiter */
542 for (end = 0; end < len && msg[end] != '<'; end++)
546 * When end points at the '<' that we found, it should have
547 * matching '>' later, which means 'end' must be strictly
553 /* Seek for both name and email part */
556 while (name_end > name_start && isspace(*(name_end-1)))
558 mail_start = msg+end+1;
559 mail_end = mail_start;
560 while (mail_end < msg_end && *mail_end != '>')
562 if (mail_end == msg_end)
566 if (part == 'N' || part == 'E') { /* mailmap lookup */
567 strlcpy(person_name, name_start, name_end-name_start+1);
568 strlcpy(person_mail, mail_start, mail_end-mail_start+1);
569 mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name));
570 name_start = person_name;
571 name_end = name_start + strlen(person_name);
572 mail_start = person_mail;
573 mail_end = mail_start + strlen(person_mail);
575 if (part == 'n' || part == 'N') { /* name */
576 strbuf_add(sb, name_start, name_end-name_start);
577 return placeholder_len;
579 if (part == 'e' || part == 'E') { /* email */
580 strbuf_add(sb, mail_start, mail_end-mail_start);
581 return placeholder_len;
584 /* advance 'start' to point to date start delimiter */
585 for (start = end + 1; start < len && isspace(msg[start]); start++)
589 date = strtoul(msg + start, &ep, 10);
590 if (msg + start == ep)
593 if (part == 't') { /* date, UNIX timestamp */
594 strbuf_add(sb, msg + start, ep - (msg + start));
595 return placeholder_len;
599 for (start = ep - msg + 1; start < len && isspace(msg[start]); start++)
601 if (start + 1 < len) {
602 tz = strtoul(msg + start + 1, NULL, 10);
603 if (msg[start] == '-')
609 strbuf_addstr(sb, show_date(date, tz, dmode));
610 return placeholder_len;
611 case 'D': /* date, RFC2822 style */
612 strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822));
613 return placeholder_len;
614 case 'r': /* date, relative */
615 strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE));
616 return placeholder_len;
617 case 'i': /* date, ISO 8601 */
618 strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601));
619 return placeholder_len;
624 * bogus commit, 'sb' cannot be updated, but we still need to
625 * compute a valid return value.
627 if (part == 'n' || part == 'e' || part == 't' || part == 'd'
628 || part == 'D' || part == 'r' || part == 'i')
629 return placeholder_len;
631 return 0; /* unknown placeholder */
639 struct format_commit_context {
640 const struct commit *commit;
641 const struct pretty_print_context *pretty_ctx;
642 unsigned commit_header_parsed:1;
643 unsigned commit_message_parsed:1;
644 unsigned commit_signature_parsed:1;
651 size_t width, indent1, indent2;
653 /* These offsets are relative to the start of the commit message. */
655 struct chunk committer;
656 struct chunk encoding;
661 /* The following ones are relative to the result struct strbuf. */
662 struct chunk abbrev_commit_hash;
663 struct chunk abbrev_tree_hash;
664 struct chunk abbrev_parent_hashes;
668 static int add_again(struct strbuf *sb, struct chunk *chunk)
671 strbuf_adddup(sb, chunk->off, chunk->len);
676 * We haven't seen this chunk before. Our caller is surely
677 * going to add it the hard way now. Remember the most likely
678 * start of the to-be-added chunk: the current end of the
681 chunk->off = sb->len;
685 static void parse_commit_header(struct format_commit_context *context)
687 const char *msg = context->message;
690 for (i = 0; msg[i]; i++) {
692 for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
697 } else if (!prefixcmp(msg + i, "author ")) {
698 context->author.off = i + 7;
699 context->author.len = eol - i - 7;
700 } else if (!prefixcmp(msg + i, "committer ")) {
701 context->committer.off = i + 10;
702 context->committer.len = eol - i - 10;
703 } else if (!prefixcmp(msg + i, "encoding ")) {
704 context->encoding.off = i + 9;
705 context->encoding.len = eol - i - 9;
709 context->message_off = i;
710 context->commit_header_parsed = 1;
713 static int istitlechar(char c)
715 return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ||
716 (c >= '0' && c <= '9') || c == '.' || c == '_';
719 static void format_sanitized_subject(struct strbuf *sb, const char *msg)
722 size_t start_len = sb->len;
725 for (; *msg && *msg != '\n'; msg++) {
726 if (istitlechar(*msg)) {
728 strbuf_addch(sb, '-');
730 strbuf_addch(sb, *msg);
732 while (*(msg+1) == '.')
738 /* trim any trailing '.' or '-' characters */
740 while (sb->len - trimlen > start_len &&
741 (sb->buf[sb->len - 1 - trimlen] == '.'
742 || sb->buf[sb->len - 1 - trimlen] == '-'))
744 strbuf_remove(sb, sb->len - trimlen, trimlen);
747 const char *format_subject(struct strbuf *sb, const char *msg,
748 const char *line_separator)
753 const char *line = msg;
754 int linelen = get_one_line(line);
757 if (!linelen || is_empty_line(line, &linelen))
762 strbuf_grow(sb, linelen + 2);
764 strbuf_addstr(sb, line_separator);
765 strbuf_add(sb, line, linelen);
771 static void parse_commit_message(struct format_commit_context *c)
773 const char *msg = c->message + c->message_off;
774 const char *start = c->message;
776 msg = skip_empty_lines(msg);
777 c->subject_off = msg - start;
779 msg = format_subject(NULL, msg, NULL);
780 msg = skip_empty_lines(msg);
781 c->body_off = msg - start;
783 c->commit_message_parsed = 1;
786 static void format_decoration(struct strbuf *sb, const struct commit *commit)
788 struct name_decoration *d;
789 const char *prefix = " (";
791 load_ref_decorations(DECORATE_SHORT_REFS);
792 d = lookup_decoration(&name_decoration, &commit->object);
794 strbuf_addstr(sb, prefix);
796 strbuf_addstr(sb, d->name);
799 if (prefix[0] == ',')
800 strbuf_addch(sb, ')');
803 static void strbuf_wrap(struct strbuf *sb, size_t pos,
804 size_t width, size_t indent1, size_t indent2)
806 struct strbuf tmp = STRBUF_INIT;
809 strbuf_add(&tmp, sb->buf, pos);
810 strbuf_add_wrapped_text(&tmp, sb->buf + pos,
811 (int) indent1, (int) indent2, (int) width);
812 strbuf_swap(&tmp, sb);
813 strbuf_release(&tmp);
816 static void rewrap_message_tail(struct strbuf *sb,
817 struct format_commit_context *c,
818 size_t new_width, size_t new_indent1,
821 if (c->width == new_width && c->indent1 == new_indent1 &&
822 c->indent2 == new_indent2)
824 if (c->wrap_start < sb->len)
825 strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2);
826 c->wrap_start = sb->len;
827 c->width = new_width;
828 c->indent1 = new_indent1;
829 c->indent2 = new_indent2;
835 } signature_check[] = {
836 { 'G', ": Good signature from " },
837 { 'B', ": BAD signature from " },
840 static void parse_signature_lines(struct format_commit_context *ctx)
842 const char *buf = ctx->signature.gpg_output;
845 for (i = 0; i < ARRAY_SIZE(signature_check); i++) {
846 const char *found = strstr(buf, signature_check[i].check);
850 ctx->signature.good_bad = signature_check[i].result;
851 found += strlen(signature_check[i].check);
852 next = strchrnul(found, '\n');
853 ctx->signature.signer = xmemdupz(found, next - found);
858 static void parse_commit_signature(struct format_commit_context *ctx)
860 struct strbuf payload = STRBUF_INIT;
861 struct strbuf signature = STRBUF_INIT;
862 struct strbuf gpg_output = STRBUF_INIT;
865 ctx->commit_signature_parsed = 1;
867 if (parse_signed_commit(ctx->commit->object.sha1,
868 &payload, &signature) <= 0)
870 status = verify_signed_buffer(payload.buf, payload.len,
871 signature.buf, signature.len,
873 if (status && !gpg_output.len)
875 ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL);
876 parse_signature_lines(ctx);
879 strbuf_release(&gpg_output);
880 strbuf_release(&payload);
881 strbuf_release(&signature);
885 static int format_reflog_person(struct strbuf *sb,
887 struct reflog_walk_info *log,
888 enum date_mode dmode)
895 ident = get_reflog_ident(log);
899 return format_person_part(sb, part, ident, strlen(ident), dmode);
902 static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
905 struct format_commit_context *c = context;
906 const struct commit *commit = c->commit;
907 const char *msg = c->message;
908 struct commit_list *p;
911 /* these are independent of the commit */
912 switch (placeholder[0]) {
914 if (placeholder[1] == '(') {
915 const char *end = strchr(placeholder + 2, ')');
916 char color[COLOR_MAXLEN];
919 color_parse_mem(placeholder + 2,
920 end - (placeholder + 2),
921 "--pretty format", color);
922 strbuf_addstr(sb, color);
923 return end - placeholder + 1;
925 if (!prefixcmp(placeholder + 1, "red")) {
926 strbuf_addstr(sb, GIT_COLOR_RED);
928 } else if (!prefixcmp(placeholder + 1, "green")) {
929 strbuf_addstr(sb, GIT_COLOR_GREEN);
931 } else if (!prefixcmp(placeholder + 1, "blue")) {
932 strbuf_addstr(sb, GIT_COLOR_BLUE);
934 } else if (!prefixcmp(placeholder + 1, "reset")) {
935 strbuf_addstr(sb, GIT_COLOR_RESET);
939 case 'n': /* newline */
940 strbuf_addch(sb, '\n');
943 /* %x00 == NUL, %x0a == LF, etc. */
944 if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
946 0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
948 strbuf_addch(sb, (h1<<4)|h2);
953 if (placeholder[1] == '(') {
954 unsigned long width = 0, indent1 = 0, indent2 = 0;
956 const char *start = placeholder + 2;
957 const char *end = strchr(start, ')');
961 width = strtoul(start, &next, 10);
963 indent1 = strtoul(next + 1, &next, 10);
965 indent2 = strtoul(next + 1,
972 rewrap_message_tail(sb, c, width, indent1, indent2);
973 return end - placeholder + 1;
978 /* these depend on the commit */
979 if (!commit->object.parsed)
980 parse_object(commit->object.sha1);
982 switch (placeholder[0]) {
983 case 'H': /* commit hash */
984 strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
986 case 'h': /* abbreviated commit hash */
987 if (add_again(sb, &c->abbrev_commit_hash))
989 strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
990 c->pretty_ctx->abbrev));
991 c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
993 case 'T': /* tree hash */
994 strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
996 case 't': /* abbreviated tree hash */
997 if (add_again(sb, &c->abbrev_tree_hash))
999 strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
1000 c->pretty_ctx->abbrev));
1001 c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
1003 case 'P': /* parent hashes */
1004 for (p = commit->parents; p; p = p->next) {
1005 if (p != commit->parents)
1006 strbuf_addch(sb, ' ');
1007 strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
1010 case 'p': /* abbreviated parent hashes */
1011 if (add_again(sb, &c->abbrev_parent_hashes))
1013 for (p = commit->parents; p; p = p->next) {
1014 if (p != commit->parents)
1015 strbuf_addch(sb, ' ');
1016 strbuf_addstr(sb, find_unique_abbrev(
1017 p->item->object.sha1,
1018 c->pretty_ctx->abbrev));
1020 c->abbrev_parent_hashes.len = sb->len -
1021 c->abbrev_parent_hashes.off;
1023 case 'm': /* left/right/bottom */
1024 strbuf_addstr(sb, get_revision_mark(NULL, commit));
1027 format_decoration(sb, commit);
1029 case 'g': /* reflog info */
1030 switch(placeholder[1]) {
1031 case 'd': /* reflog selector */
1033 if (c->pretty_ctx->reflog_info)
1034 get_reflog_selector(sb,
1035 c->pretty_ctx->reflog_info,
1036 c->pretty_ctx->date_mode,
1037 (placeholder[1] == 'd'));
1039 case 's': /* reflog message */
1040 if (c->pretty_ctx->reflog_info)
1041 get_reflog_message(sb, c->pretty_ctx->reflog_info);
1047 return format_reflog_person(sb,
1049 c->pretty_ctx->reflog_info,
1050 c->pretty_ctx->date_mode);
1052 return 0; /* unknown %g placeholder */
1054 if (c->pretty_ctx->show_notes) {
1055 format_display_notes(commit->object.sha1, sb,
1056 get_log_output_encoding(), 0);
1062 if (placeholder[0] == 'G') {
1063 if (!c->commit_signature_parsed)
1064 parse_commit_signature(c);
1065 switch (placeholder[1]) {
1067 if (c->signature.gpg_output)
1068 strbuf_addstr(sb, c->signature.gpg_output);
1071 switch (c->signature.good_bad) {
1074 strbuf_addch(sb, c->signature.good_bad);
1078 if (c->signature.signer)
1079 strbuf_addstr(sb, c->signature.signer);
1086 /* For the rest we have to parse the commit header. */
1087 if (!c->commit_header_parsed)
1088 parse_commit_header(c);
1090 switch (placeholder[0]) {
1091 case 'a': /* author ... */
1092 return format_person_part(sb, placeholder[1],
1093 msg + c->author.off, c->author.len,
1094 c->pretty_ctx->date_mode);
1095 case 'c': /* committer ... */
1096 return format_person_part(sb, placeholder[1],
1097 msg + c->committer.off, c->committer.len,
1098 c->pretty_ctx->date_mode);
1099 case 'e': /* encoding */
1100 strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
1102 case 'B': /* raw body */
1103 /* message_off is always left at the initial newline */
1104 strbuf_addstr(sb, msg + c->message_off + 1);
1108 /* Now we need to parse the commit message. */
1109 if (!c->commit_message_parsed)
1110 parse_commit_message(c);
1112 switch (placeholder[0]) {
1113 case 's': /* subject */
1114 format_subject(sb, msg + c->subject_off, " ");
1116 case 'f': /* sanitized subject */
1117 format_sanitized_subject(sb, msg + c->subject_off);
1119 case 'b': /* body */
1120 strbuf_addstr(sb, msg + c->body_off);
1123 return 0; /* unknown placeholder */
1126 static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
1133 ADD_LF_BEFORE_NON_EMPTY,
1134 DEL_LF_BEFORE_EMPTY,
1135 ADD_SP_BEFORE_NON_EMPTY
1138 switch (placeholder[0]) {
1140 magic = DEL_LF_BEFORE_EMPTY;
1143 magic = ADD_LF_BEFORE_NON_EMPTY;
1146 magic = ADD_SP_BEFORE_NON_EMPTY;
1151 if (magic != NO_MAGIC)
1155 consumed = format_commit_one(sb, placeholder, context);
1156 if (magic == NO_MAGIC)
1159 if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) {
1160 while (sb->len && sb->buf[sb->len - 1] == '\n')
1161 strbuf_setlen(sb, sb->len - 1);
1162 } else if (orig_len != sb->len) {
1163 if (magic == ADD_LF_BEFORE_NON_EMPTY)
1164 strbuf_insert(sb, orig_len, "\n", 1);
1165 else if (magic == ADD_SP_BEFORE_NON_EMPTY)
1166 strbuf_insert(sb, orig_len, " ", 1);
1168 return consumed + 1;
1171 static size_t userformat_want_item(struct strbuf *sb, const char *placeholder,
1174 struct userformat_want *w = context;
1176 if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ')
1179 switch (*placeholder) {
1187 void userformat_find_requirements(const char *fmt, struct userformat_want *w)
1189 struct strbuf dummy = STRBUF_INIT;
1196 strbuf_expand(&dummy, fmt, userformat_want_item, w);
1197 strbuf_release(&dummy);
1200 void format_commit_message(const struct commit *commit,
1201 const char *format, struct strbuf *sb,
1202 const struct pretty_print_context *pretty_ctx)
1204 struct format_commit_context context;
1205 static const char utf8[] = "UTF-8";
1206 const char *output_enc = pretty_ctx->output_encoding;
1208 memset(&context, 0, sizeof(context));
1209 context.commit = commit;
1210 context.pretty_ctx = pretty_ctx;
1211 context.wrap_start = sb->len;
1212 context.message = commit->buffer;
1214 char *enc = get_header(commit, "encoding");
1215 if (strcmp(enc ? enc : utf8, output_enc)) {
1216 context.message = logmsg_reencode(commit, output_enc);
1217 if (!context.message)
1218 context.message = commit->buffer;
1223 strbuf_expand(sb, format, format_commit_item, &context);
1224 rewrap_message_tail(sb, &context, 0, 0, 0);
1226 if (context.message != commit->buffer)
1227 free(context.message);
1228 free(context.signature.gpg_output);
1229 free(context.signature.signer);
1232 static void pp_header(const struct pretty_print_context *pp,
1233 const char *encoding,
1234 const struct commit *commit,
1238 int parents_shown = 0;
1241 const char *line = *msg_p;
1242 int linelen = get_one_line(*msg_p);
1252 if (pp->fmt == CMIT_FMT_RAW) {
1253 strbuf_add(sb, line, linelen);
1257 if (!memcmp(line, "parent ", 7)) {
1259 die("bad parent line in commit");
1263 if (!parents_shown) {
1264 struct commit_list *parent;
1266 for (parent = commit->parents, num = 0;
1268 parent = parent->next, num++)
1270 /* with enough slop */
1271 strbuf_grow(sb, num * 50 + 20);
1272 add_merge_info(pp, sb, commit);
1277 * MEDIUM == DEFAULT shows only author with dates.
1278 * FULL shows both authors but not dates.
1279 * FULLER shows both authors and dates.
1281 if (!memcmp(line, "author ", 7)) {
1282 strbuf_grow(sb, linelen + 80);
1283 pp_user_info(pp, "Author", sb, line + 7, encoding);
1285 if (!memcmp(line, "committer ", 10) &&
1286 (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) {
1287 strbuf_grow(sb, linelen + 80);
1288 pp_user_info(pp, "Commit", sb, line + 10, encoding);
1293 void pp_title_line(const struct pretty_print_context *pp,
1296 const char *encoding,
1299 struct strbuf title;
1301 strbuf_init(&title, 80);
1302 *msg_p = format_subject(&title, *msg_p,
1303 pp->preserve_subject ? "\n" : " ");
1305 strbuf_grow(sb, title.len + 1024);
1307 strbuf_addstr(sb, pp->subject);
1308 add_rfc2047(sb, title.buf, title.len, encoding);
1310 strbuf_addbuf(sb, &title);
1312 strbuf_addch(sb, '\n');
1314 if (need_8bit_cte > 0) {
1315 const char *header_fmt =
1316 "MIME-Version: 1.0\n"
1317 "Content-Type: text/plain; charset=%s\n"
1318 "Content-Transfer-Encoding: 8bit\n";
1319 strbuf_addf(sb, header_fmt, encoding);
1321 if (pp->after_subject) {
1322 strbuf_addstr(sb, pp->after_subject);
1324 if (pp->fmt == CMIT_FMT_EMAIL) {
1325 strbuf_addch(sb, '\n');
1327 strbuf_release(&title);
1330 void pp_remainder(const struct pretty_print_context *pp,
1337 const char *line = *msg_p;
1338 int linelen = get_one_line(line);
1344 if (is_empty_line(line, &linelen)) {
1347 if (pp->fmt == CMIT_FMT_SHORT)
1352 strbuf_grow(sb, linelen + indent + 20);
1354 memset(sb->buf + sb->len, ' ', indent);
1355 strbuf_setlen(sb, sb->len + indent);
1357 strbuf_add(sb, line, linelen);
1358 strbuf_addch(sb, '\n');
1362 char *reencode_commit_message(const struct commit *commit, const char **encoding_p)
1364 const char *encoding;
1366 encoding = get_log_output_encoding();
1368 *encoding_p = encoding;
1369 return logmsg_reencode(commit, encoding);
1372 void pretty_print_commit(const struct pretty_print_context *pp,
1373 const struct commit *commit,
1376 unsigned long beginning_of_body;
1378 const char *msg = commit->buffer;
1380 const char *encoding;
1381 int need_8bit_cte = pp->need_8bit_cte;
1383 if (pp->fmt == CMIT_FMT_USERFORMAT) {
1384 format_commit_message(commit, user_format, sb, pp);
1388 reencoded = reencode_commit_message(commit, &encoding);
1393 if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
1397 * We need to check and emit Content-type: to mark it
1398 * as 8-bit if we haven't done so.
1400 if (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) {
1403 for (in_body = i = 0; (ch = msg[i]); i++) {
1405 /* author could be non 7-bit ASCII but
1406 * the log may be so; skip over the
1407 * header part first.
1409 if (ch == '\n' && msg[i+1] == '\n')
1412 else if (non_ascii(ch)) {
1419 pp_header(pp, encoding, commit, &msg, sb);
1420 if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) {
1421 strbuf_addch(sb, '\n');
1424 /* Skip excess blank lines at the beginning of body, if any... */
1425 msg = skip_empty_lines(msg);
1427 /* These formats treat the title line specially. */
1428 if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
1429 pp_title_line(pp, &msg, sb, encoding, need_8bit_cte);
1431 beginning_of_body = sb->len;
1432 if (pp->fmt != CMIT_FMT_ONELINE)
1433 pp_remainder(pp, &msg, sb, indent);
1436 /* Make sure there is an EOLN for the non-oneline case */
1437 if (pp->fmt != CMIT_FMT_ONELINE)
1438 strbuf_addch(sb, '\n');
1441 * The caller may append additional body text in e-mail
1442 * format. Make sure we did not strip the blank line
1443 * between the header and the body.
1445 if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
1446 strbuf_addch(sb, '\n');
1449 format_display_notes(commit->object.sha1, sb, encoding,
1450 NOTES_SHOW_HEADER | NOTES_INDENT);
1455 void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
1458 struct pretty_print_context pp = {0};
1460 pretty_print_commit(&pp, commit, sb);