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 needs_rfc822_quoting(const char *s
, int len
)
237 for (i
= 0; i
< len
; i
++)
238 if (is_rfc822_special(s
[i
]))
243 static int last_line_length(struct strbuf
*sb
)
247 /* How many bytes are already used on the last line? */
248 for (i
= sb
->len
- 1; i
>= 0; i
--)
249 if (sb
->buf
[i
] == '\n')
251 return sb
->len
- (i
+ 1);
254 static void add_rfc822_quoted(struct strbuf
*out
, const char *s
, int len
)
258 /* just a guess, we may have to also backslash-quote */
259 strbuf_grow(out
, len
+ 2);
261 strbuf_addch(out
, '"');
262 for (i
= 0; i
< len
; i
++) {
266 strbuf_addch(out
, '\\');
269 strbuf_addch(out
, s
[i
]);
272 strbuf_addch(out
, '"');
280 static int is_rfc2047_special(char ch
, enum rfc2047_type type
)
283 * rfc2047, section 4.2:
285 * 8-bit values which correspond to printable ASCII characters other
286 * than "=", "?", and "_" (underscore), MAY be represented as those
287 * characters. (But see section 5 for restrictions.) In
288 * particular, SPACE and TAB MUST NOT be represented as themselves
289 * within encoded words.
293 * rule out non-ASCII characters and non-printable characters (the
294 * non-ASCII check should be redundant as isprint() is not localized
295 * and only knows about ASCII, but be defensive about that)
297 if (non_ascii(ch
) || !isprint(ch
))
301 * rule out special printable characters (' ' should be the only
302 * whitespace character considered printable, but be defensive and use
305 if (isspace(ch
) || ch
== '=' || ch
== '?' || ch
== '_')
309 * rfc2047, section 5.3:
311 * As a replacement for a 'word' entity within a 'phrase', for example,
312 * one that precedes an address in a From, To, or Cc header. The ABNF
313 * definition for 'phrase' from RFC 822 thus becomes:
315 * phrase = 1*( encoded-word / word )
317 * In this case the set of characters that may be used in a "Q"-encoded
318 * 'encoded-word' is restricted to: <upper and lower case ASCII
319 * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_"
320 * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a
321 * 'phrase' MUST be separated from any adjacent 'word', 'text' or
322 * 'special' by 'linear-white-space'.
325 if (type
!= RFC2047_ADDRESS
)
328 /* '=' and '_' are special cases and have been checked above */
329 return !(isalnum(ch
) || ch
== '!' || ch
== '*' || ch
== '+' || ch
== '-' || ch
== '/');
332 static int needs_rfc2047_encoding(const char *line
, int len
,
333 enum rfc2047_type type
)
337 for (i
= 0; i
< len
; i
++) {
339 if (non_ascii(ch
) || ch
== '\n')
341 if ((i
+ 1 < len
) && (ch
== '=' && line
[i
+1] == '?'))
348 static void add_rfc2047(struct strbuf
*sb
, const char *line
, size_t len
,
349 const char *encoding
, enum rfc2047_type type
)
351 static const int max_encoded_length
= 76; /* per rfc2047 */
353 int line_len
= last_line_length(sb
);
355 strbuf_grow(sb
, len
* 3 + strlen(encoding
) + 100);
356 strbuf_addf(sb
, "=?%s?q?", encoding
);
357 line_len
+= strlen(encoding
) + 5; /* 5 for =??q? */
361 * RFC 2047, section 5 (3):
363 * Each 'encoded-word' MUST represent an integral number of
364 * characters. A multi-octet character may not be split across
365 * adjacent 'encoded- word's.
367 const unsigned char *p
= (const unsigned char *)line
;
368 int chrlen
= mbs_chrlen(&line
, &len
, encoding
);
369 int is_special
= (chrlen
> 1) || is_rfc2047_special(*p
, type
);
371 /* "=%02X" * chrlen, or the byte itself */
372 const char *encoded_fmt
= is_special
? "=%02X" : "%c";
373 int encoded_len
= is_special
? 3 * chrlen
: 1;
376 * According to RFC 2047, we could encode the special character
377 * ' ' (space) with '_' (underscore) for readability. But many
378 * programs do not understand this and just leave the
379 * underscore in place. Thus, we do nothing special here, which
380 * causes ' ' to be encoded as '=20', avoiding this problem.
383 if (line_len
+ encoded_len
+ 2 > max_encoded_length
) {
384 /* It won't fit with trailing "?=" --- break the line */
385 strbuf_addf(sb
, "?=\n =?%s?q?", encoding
);
386 line_len
= strlen(encoding
) + 5 + 1; /* =??q? plus SP */
389 for (i
= 0; i
< chrlen
; i
++)
390 strbuf_addf(sb
, encoded_fmt
, p
[i
]);
391 line_len
+= encoded_len
;
393 strbuf_addstr(sb
, "?=");
396 void pp_user_info(const struct pretty_print_context
*pp
,
397 const char *what
, struct strbuf
*sb
,
398 const char *line
, const char *encoding
)
402 struct ident_split ident
;
404 char *line_end
, *date
;
405 const char *mailbuf
, *namebuf
;
406 size_t namelen
, maillen
;
407 int max_length
= 78; /* per rfc2822 */
411 if (pp
->fmt
== CMIT_FMT_ONELINE
)
414 line_end
= strchr(line
, '\n');
416 line_end
= strchr(line
, '\0');
421 linelen
= ++line_end
- line
;
422 if (split_ident_line(&ident
, line
, linelen
))
426 mailbuf
= ident
.mail_begin
;
427 maillen
= ident
.mail_end
- ident
.mail_begin
;
428 namebuf
= ident
.name_begin
;
429 namelen
= ident
.name_end
- ident
.name_begin
;
432 map_user(pp
->mailmap
, &mailbuf
, &maillen
, &namebuf
, &namelen
);
434 strbuf_init(&mail
, 0);
435 strbuf_init(&name
, 0);
437 strbuf_add(&mail
, mailbuf
, maillen
);
438 strbuf_add(&name
, namebuf
, namelen
);
440 namelen
= name
.len
+ mail
.len
+ 3; /* ' ' + '<' + '>' */
441 time
= strtoul(ident
.date_begin
, &date
, 10);
442 tz
= strtol(date
, NULL
, 10);
444 if (pp
->fmt
== CMIT_FMT_EMAIL
) {
445 strbuf_addstr(sb
, "From: ");
446 if (needs_rfc2047_encoding(name
.buf
, name
.len
, RFC2047_ADDRESS
)) {
447 add_rfc2047(sb
, name
.buf
, name
.len
,
448 encoding
, RFC2047_ADDRESS
);
449 max_length
= 76; /* per rfc2047 */
450 } else if (needs_rfc822_quoting(name
.buf
, name
.len
)) {
451 struct strbuf quoted
= STRBUF_INIT
;
452 add_rfc822_quoted("ed
, name
.buf
, name
.len
);
453 strbuf_add_wrapped_bytes(sb
, quoted
.buf
, quoted
.len
,
455 strbuf_release("ed
);
457 strbuf_add_wrapped_bytes(sb
, name
.buf
, name
.len
,
460 if (namelen
- name
.len
+ last_line_length(sb
) > max_length
)
461 strbuf_addch(sb
, '\n');
463 strbuf_addf(sb
, " <%s>\n", mail
.buf
);
465 strbuf_addf(sb
, "%s: %.*s%s <%s>\n", what
,
466 (pp
->fmt
== CMIT_FMT_FULLER
) ? 4 : 0,
467 " ", name
.buf
, mail
.buf
);
470 strbuf_release(&mail
);
471 strbuf_release(&name
);
474 case CMIT_FMT_MEDIUM
:
475 strbuf_addf(sb
, "Date: %s\n", show_date(time
, tz
, pp
->date_mode
));
478 strbuf_addf(sb
, "Date: %s\n", show_date(time
, tz
, DATE_RFC2822
));
480 case CMIT_FMT_FULLER
:
481 strbuf_addf(sb
, "%sDate: %s\n", what
, show_date(time
, tz
, pp
->date_mode
));
489 static int is_empty_line(const char *line
, int *len_p
)
492 while (len
&& isspace(line
[len
-1]))
498 static const char *skip_empty_lines(const char *msg
)
501 int linelen
= get_one_line(msg
);
505 if (!is_empty_line(msg
, &ll
))
512 static void add_merge_info(const struct pretty_print_context
*pp
,
513 struct strbuf
*sb
, const struct commit
*commit
)
515 struct commit_list
*parent
= commit
->parents
;
517 if ((pp
->fmt
== CMIT_FMT_ONELINE
) || (pp
->fmt
== CMIT_FMT_EMAIL
) ||
518 !parent
|| !parent
->next
)
521 strbuf_addstr(sb
, "Merge:");
524 struct commit
*p
= parent
->item
;
525 const char *hex
= NULL
;
527 hex
= find_unique_abbrev(p
->object
.sha1
, pp
->abbrev
);
529 hex
= sha1_to_hex(p
->object
.sha1
);
530 parent
= parent
->next
;
532 strbuf_addf(sb
, " %s", hex
);
534 strbuf_addch(sb
, '\n');
537 static char *get_header(const struct commit
*commit
, const char *msg
,
540 int key_len
= strlen(key
);
541 const char *line
= msg
;
544 const char *eol
= strchr(line
, '\n'), *next
;
549 warning("malformed commit (header is missing newline): %s",
550 sha1_to_hex(commit
->object
.sha1
));
551 eol
= line
+ strlen(line
);
555 if (eol
- line
> key_len
&&
556 !strncmp(line
, key
, key_len
) &&
557 line
[key_len
] == ' ') {
558 return xmemdupz(line
+ key_len
+ 1, eol
- line
- key_len
- 1);
565 static char *replace_encoding_header(char *buf
, const char *encoding
)
567 struct strbuf tmp
= STRBUF_INIT
;
571 /* guess if there is an encoding header before a \n\n */
572 while (strncmp(cp
, "encoding ", strlen("encoding "))) {
573 cp
= strchr(cp
, '\n');
574 if (!cp
|| *++cp
== '\n')
578 cp
= strchr(cp
, '\n');
580 return buf
; /* should not happen but be defensive */
581 len
= cp
+ 1 - (buf
+ start
);
583 strbuf_attach(&tmp
, buf
, strlen(buf
), strlen(buf
) + 1);
584 if (is_encoding_utf8(encoding
)) {
585 /* we have re-coded to UTF-8; drop the header */
586 strbuf_remove(&tmp
, start
, len
);
588 /* just replaces XXXX in 'encoding XXXX\n' */
589 strbuf_splice(&tmp
, start
+ strlen("encoding "),
590 len
- strlen("encoding \n"),
591 encoding
, strlen(encoding
));
593 return strbuf_detach(&tmp
, NULL
);
596 char *logmsg_reencode(const struct commit
*commit
,
597 char **commit_encoding
,
598 const char *output_encoding
)
600 static const char *utf8
= "UTF-8";
601 const char *use_encoding
;
603 char *msg
= commit
->buffer
;
607 enum object_type type
;
610 msg
= read_sha1_file(commit
->object
.sha1
, &type
, &size
);
612 die("Cannot read commit object %s",
613 sha1_to_hex(commit
->object
.sha1
));
614 if (type
!= OBJ_COMMIT
)
615 die("Expected commit for '%s', got %s",
616 sha1_to_hex(commit
->object
.sha1
), typename(type
));
619 if (!output_encoding
|| !*output_encoding
) {
622 get_header(commit
, msg
, "encoding");
625 encoding
= get_header(commit
, msg
, "encoding");
627 *commit_encoding
= encoding
;
628 use_encoding
= encoding
? encoding
: utf8
;
629 if (same_encoding(use_encoding
, output_encoding
)) {
631 * No encoding work to be done. If we have no encoding header
632 * at all, then there's nothing to do, and we can return the
633 * message verbatim (whether newly allocated or not).
639 * Otherwise, we still want to munge the encoding header in the
640 * result, which will be done by modifying the buffer. If we
641 * are using a fresh copy, we can reuse it. But if we are using
642 * the cached copy from commit->buffer, we need to duplicate it
643 * to avoid munging commit->buffer.
646 if (out
== commit
->buffer
)
651 * There's actual encoding work to do. Do the reencoding, which
652 * still leaves the header to be replaced in the next step. At
653 * this point, we are done with msg. If we allocated a fresh
654 * copy, we can free it.
656 out
= reencode_string(msg
, output_encoding
, use_encoding
);
657 if (out
&& msg
!= commit
->buffer
)
662 * This replacement actually consumes the buffer we hand it, so we do
663 * not have to worry about freeing the old "out" here.
666 out
= replace_encoding_header(out
, output_encoding
);
668 if (!commit_encoding
)
671 * If the re-encoding failed, out might be NULL here; in that
672 * case we just return the commit message verbatim.
674 return out
? out
: msg
;
677 void logmsg_free(char *msg
, const struct commit
*commit
)
679 if (msg
!= commit
->buffer
)
683 static int mailmap_name(const char **email
, size_t *email_len
,
684 const char **name
, size_t *name_len
)
686 static struct string_list
*mail_map
;
688 mail_map
= xcalloc(1, sizeof(*mail_map
));
689 read_mailmap(mail_map
, NULL
);
691 return mail_map
->nr
&& map_user(mail_map
, email
, email_len
, name
, name_len
);
694 static size_t format_person_part(struct strbuf
*sb
, char part
,
695 const char *msg
, int len
, enum date_mode dmode
)
697 /* currently all placeholders have same length */
698 const int placeholder_len
= 2;
700 unsigned long date
= 0;
701 struct ident_split s
;
702 const char *name
, *mail
;
703 size_t maillen
, namelen
;
705 if (split_ident_line(&s
, msg
, len
) < 0)
709 namelen
= s
.name_end
- s
.name_begin
;
711 maillen
= s
.mail_end
- s
.mail_begin
;
713 if (part
== 'N' || part
== 'E') /* mailmap lookup */
714 mailmap_name(&mail
, &maillen
, &name
, &namelen
);
715 if (part
== 'n' || part
== 'N') { /* name */
716 strbuf_add(sb
, name
, namelen
);
717 return placeholder_len
;
719 if (part
== 'e' || part
== 'E') { /* email */
720 strbuf_add(sb
, mail
, maillen
);
721 return placeholder_len
;
727 date
= strtoul(s
.date_begin
, NULL
, 10);
729 if (part
== 't') { /* date, UNIX timestamp */
730 strbuf_add(sb
, s
.date_begin
, s
.date_end
- s
.date_begin
);
731 return placeholder_len
;
735 tz
= strtoul(s
.tz_begin
+ 1, NULL
, 10);
736 if (*s
.tz_begin
== '-')
741 strbuf_addstr(sb
, show_date(date
, tz
, dmode
));
742 return placeholder_len
;
743 case 'D': /* date, RFC2822 style */
744 strbuf_addstr(sb
, show_date(date
, tz
, DATE_RFC2822
));
745 return placeholder_len
;
746 case 'r': /* date, relative */
747 strbuf_addstr(sb
, show_date(date
, tz
, DATE_RELATIVE
));
748 return placeholder_len
;
749 case 'i': /* date, ISO 8601 */
750 strbuf_addstr(sb
, show_date(date
, tz
, DATE_ISO8601
));
751 return placeholder_len
;
756 * reading from either a bogus commit, or a reflog entry with
757 * %gn, %ge, etc.; 'sb' cannot be updated, but we still need
758 * to compute a valid return value.
760 if (part
== 'n' || part
== 'e' || part
== 't' || part
== 'd'
761 || part
== 'D' || part
== 'r' || part
== 'i')
762 return placeholder_len
;
764 return 0; /* unknown placeholder */
772 struct format_commit_context
{
773 const struct commit
*commit
;
774 const struct pretty_print_context
*pretty_ctx
;
775 unsigned commit_header_parsed
:1;
776 unsigned commit_message_parsed
:1;
777 struct signature_check signature_check
;
779 char *commit_encoding
;
780 size_t width
, indent1
, indent2
;
783 /* These offsets are relative to the start of the commit message. */
785 struct chunk committer
;
790 /* The following ones are relative to the result struct strbuf. */
791 struct chunk abbrev_commit_hash
;
792 struct chunk abbrev_tree_hash
;
793 struct chunk abbrev_parent_hashes
;
797 static int add_again(struct strbuf
*sb
, struct chunk
*chunk
)
800 strbuf_adddup(sb
, chunk
->off
, chunk
->len
);
805 * We haven't seen this chunk before. Our caller is surely
806 * going to add it the hard way now. Remember the most likely
807 * start of the to-be-added chunk: the current end of the
810 chunk
->off
= sb
->len
;
814 static void parse_commit_header(struct format_commit_context
*context
)
816 const char *msg
= context
->message
;
819 for (i
= 0; msg
[i
]; i
++) {
821 for (eol
= i
; msg
[eol
] && msg
[eol
] != '\n'; eol
++)
826 } else if (!prefixcmp(msg
+ i
, "author ")) {
827 context
->author
.off
= i
+ 7;
828 context
->author
.len
= eol
- i
- 7;
829 } else if (!prefixcmp(msg
+ i
, "committer ")) {
830 context
->committer
.off
= i
+ 10;
831 context
->committer
.len
= eol
- i
- 10;
835 context
->message_off
= i
;
836 context
->commit_header_parsed
= 1;
839 static int istitlechar(char c
)
841 return (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
842 (c
>= '0' && c
<= '9') || c
== '.' || c
== '_';
845 static void format_sanitized_subject(struct strbuf
*sb
, const char *msg
)
848 size_t start_len
= sb
->len
;
851 for (; *msg
&& *msg
!= '\n'; msg
++) {
852 if (istitlechar(*msg
)) {
854 strbuf_addch(sb
, '-');
856 strbuf_addch(sb
, *msg
);
858 while (*(msg
+1) == '.')
864 /* trim any trailing '.' or '-' characters */
866 while (sb
->len
- trimlen
> start_len
&&
867 (sb
->buf
[sb
->len
- 1 - trimlen
] == '.'
868 || sb
->buf
[sb
->len
- 1 - trimlen
] == '-'))
870 strbuf_remove(sb
, sb
->len
- trimlen
, trimlen
);
873 const char *format_subject(struct strbuf
*sb
, const char *msg
,
874 const char *line_separator
)
879 const char *line
= msg
;
880 int linelen
= get_one_line(line
);
883 if (!linelen
|| is_empty_line(line
, &linelen
))
888 strbuf_grow(sb
, linelen
+ 2);
890 strbuf_addstr(sb
, line_separator
);
891 strbuf_add(sb
, line
, linelen
);
897 static void parse_commit_message(struct format_commit_context
*c
)
899 const char *msg
= c
->message
+ c
->message_off
;
900 const char *start
= c
->message
;
902 msg
= skip_empty_lines(msg
);
903 c
->subject_off
= msg
- start
;
905 msg
= format_subject(NULL
, msg
, NULL
);
906 msg
= skip_empty_lines(msg
);
907 c
->body_off
= msg
- start
;
909 c
->commit_message_parsed
= 1;
912 static void strbuf_wrap(struct strbuf
*sb
, size_t pos
,
913 size_t width
, size_t indent1
, size_t indent2
)
915 struct strbuf tmp
= STRBUF_INIT
;
918 strbuf_add(&tmp
, sb
->buf
, pos
);
919 strbuf_add_wrapped_text(&tmp
, sb
->buf
+ pos
,
920 (int) indent1
, (int) indent2
, (int) width
);
921 strbuf_swap(&tmp
, sb
);
922 strbuf_release(&tmp
);
925 static void rewrap_message_tail(struct strbuf
*sb
,
926 struct format_commit_context
*c
,
927 size_t new_width
, size_t new_indent1
,
930 if (c
->width
== new_width
&& c
->indent1
== new_indent1
&&
931 c
->indent2
== new_indent2
)
933 if (c
->wrap_start
< sb
->len
)
934 strbuf_wrap(sb
, c
->wrap_start
, c
->width
, c
->indent1
, c
->indent2
);
935 c
->wrap_start
= sb
->len
;
936 c
->width
= new_width
;
937 c
->indent1
= new_indent1
;
938 c
->indent2
= new_indent2
;
941 static int format_reflog_person(struct strbuf
*sb
,
943 struct reflog_walk_info
*log
,
944 enum date_mode dmode
)
951 ident
= get_reflog_ident(log
);
955 return format_person_part(sb
, part
, ident
, strlen(ident
), dmode
);
958 static size_t parse_color(struct strbuf
*sb
, /* in UTF-8 */
959 const char *placeholder
,
960 struct format_commit_context
*c
)
962 if (placeholder
[1] == '(') {
963 const char *begin
= placeholder
+ 2;
964 const char *end
= strchr(begin
, ')');
965 char color
[COLOR_MAXLEN
];
969 if (!prefixcmp(begin
, "auto,")) {
970 if (!want_color(c
->pretty_ctx
->color
))
971 return end
- placeholder
+ 1;
974 color_parse_mem(begin
,
976 "--pretty format", color
);
977 strbuf_addstr(sb
, color
);
978 return end
- placeholder
+ 1;
980 if (!prefixcmp(placeholder
+ 1, "red")) {
981 strbuf_addstr(sb
, GIT_COLOR_RED
);
983 } else if (!prefixcmp(placeholder
+ 1, "green")) {
984 strbuf_addstr(sb
, GIT_COLOR_GREEN
);
986 } else if (!prefixcmp(placeholder
+ 1, "blue")) {
987 strbuf_addstr(sb
, GIT_COLOR_BLUE
);
989 } else if (!prefixcmp(placeholder
+ 1, "reset")) {
990 strbuf_addstr(sb
, GIT_COLOR_RESET
);
996 static size_t format_commit_one(struct strbuf
*sb
, /* in UTF-8 */
997 const char *placeholder
,
1000 struct format_commit_context
*c
= context
;
1001 const struct commit
*commit
= c
->commit
;
1002 const char *msg
= c
->message
;
1003 struct commit_list
*p
;
1006 /* these are independent of the commit */
1007 switch (placeholder
[0]) {
1009 if (!prefixcmp(placeholder
+ 1, "(auto)")) {
1011 return 7; /* consumed 7 bytes, "C(auto)" */
1013 int ret
= parse_color(sb
, placeholder
, c
);
1017 * Otherwise, we decided to treat %C<unknown>
1018 * as a literal string, and the previous
1019 * %C(auto) is still valid.
1023 case 'n': /* newline */
1024 strbuf_addch(sb
, '\n');
1027 /* %x00 == NUL, %x0a == LF, etc. */
1028 if (0 <= (h1
= hexval_table
[0xff & placeholder
[1]]) &&
1030 0 <= (h2
= hexval_table
[0xff & placeholder
[2]]) &&
1032 strbuf_addch(sb
, (h1
<<4)|h2
);
1037 if (placeholder
[1] == '(') {
1038 unsigned long width
= 0, indent1
= 0, indent2
= 0;
1040 const char *start
= placeholder
+ 2;
1041 const char *end
= strchr(start
, ')');
1045 width
= strtoul(start
, &next
, 10);
1047 indent1
= strtoul(next
+ 1, &next
, 10);
1049 indent2
= strtoul(next
+ 1,
1056 rewrap_message_tail(sb
, c
, width
, indent1
, indent2
);
1057 return end
- placeholder
+ 1;
1062 /* these depend on the commit */
1063 if (!commit
->object
.parsed
)
1064 parse_object(commit
->object
.sha1
);
1066 switch (placeholder
[0]) {
1067 case 'H': /* commit hash */
1068 strbuf_addstr(sb
, diff_get_color(c
->auto_color
, DIFF_COMMIT
));
1069 strbuf_addstr(sb
, sha1_to_hex(commit
->object
.sha1
));
1070 strbuf_addstr(sb
, diff_get_color(c
->auto_color
, DIFF_RESET
));
1072 case 'h': /* abbreviated commit hash */
1073 strbuf_addstr(sb
, diff_get_color(c
->auto_color
, DIFF_COMMIT
));
1074 if (add_again(sb
, &c
->abbrev_commit_hash
)) {
1075 strbuf_addstr(sb
, diff_get_color(c
->auto_color
, DIFF_RESET
));
1078 strbuf_addstr(sb
, find_unique_abbrev(commit
->object
.sha1
,
1079 c
->pretty_ctx
->abbrev
));
1080 strbuf_addstr(sb
, diff_get_color(c
->auto_color
, DIFF_RESET
));
1081 c
->abbrev_commit_hash
.len
= sb
->len
- c
->abbrev_commit_hash
.off
;
1083 case 'T': /* tree hash */
1084 strbuf_addstr(sb
, sha1_to_hex(commit
->tree
->object
.sha1
));
1086 case 't': /* abbreviated tree hash */
1087 if (add_again(sb
, &c
->abbrev_tree_hash
))
1089 strbuf_addstr(sb
, find_unique_abbrev(commit
->tree
->object
.sha1
,
1090 c
->pretty_ctx
->abbrev
));
1091 c
->abbrev_tree_hash
.len
= sb
->len
- c
->abbrev_tree_hash
.off
;
1093 case 'P': /* parent hashes */
1094 for (p
= commit
->parents
; p
; p
= p
->next
) {
1095 if (p
!= commit
->parents
)
1096 strbuf_addch(sb
, ' ');
1097 strbuf_addstr(sb
, sha1_to_hex(p
->item
->object
.sha1
));
1100 case 'p': /* abbreviated parent hashes */
1101 if (add_again(sb
, &c
->abbrev_parent_hashes
))
1103 for (p
= commit
->parents
; p
; p
= p
->next
) {
1104 if (p
!= commit
->parents
)
1105 strbuf_addch(sb
, ' ');
1106 strbuf_addstr(sb
, find_unique_abbrev(
1107 p
->item
->object
.sha1
,
1108 c
->pretty_ctx
->abbrev
));
1110 c
->abbrev_parent_hashes
.len
= sb
->len
-
1111 c
->abbrev_parent_hashes
.off
;
1113 case 'm': /* left/right/bottom */
1114 strbuf_addstr(sb
, get_revision_mark(NULL
, commit
));
1117 load_ref_decorations(DECORATE_SHORT_REFS
);
1118 format_decorations(sb
, commit
, c
->auto_color
);
1120 case 'g': /* reflog info */
1121 switch(placeholder
[1]) {
1122 case 'd': /* reflog selector */
1124 if (c
->pretty_ctx
->reflog_info
)
1125 get_reflog_selector(sb
,
1126 c
->pretty_ctx
->reflog_info
,
1127 c
->pretty_ctx
->date_mode
,
1128 c
->pretty_ctx
->date_mode_explicit
,
1129 (placeholder
[1] == 'd'));
1131 case 's': /* reflog message */
1132 if (c
->pretty_ctx
->reflog_info
)
1133 get_reflog_message(sb
, c
->pretty_ctx
->reflog_info
);
1139 return format_reflog_person(sb
,
1141 c
->pretty_ctx
->reflog_info
,
1142 c
->pretty_ctx
->date_mode
);
1144 return 0; /* unknown %g placeholder */
1146 if (c
->pretty_ctx
->notes_message
) {
1147 strbuf_addstr(sb
, c
->pretty_ctx
->notes_message
);
1153 if (placeholder
[0] == 'G') {
1154 if (!c
->signature_check
.result
)
1155 check_commit_signature(c
->commit
, &(c
->signature_check
));
1156 switch (placeholder
[1]) {
1158 if (c
->signature_check
.gpg_output
)
1159 strbuf_addstr(sb
, c
->signature_check
.gpg_output
);
1162 switch (c
->signature_check
.result
) {
1167 strbuf_addch(sb
, c
->signature_check
.result
);
1171 if (c
->signature_check
.signer
)
1172 strbuf_addstr(sb
, c
->signature_check
.signer
);
1175 if (c
->signature_check
.key
)
1176 strbuf_addstr(sb
, c
->signature_check
.key
);
1183 /* For the rest we have to parse the commit header. */
1184 if (!c
->commit_header_parsed
)
1185 parse_commit_header(c
);
1187 switch (placeholder
[0]) {
1188 case 'a': /* author ... */
1189 return format_person_part(sb
, placeholder
[1],
1190 msg
+ c
->author
.off
, c
->author
.len
,
1191 c
->pretty_ctx
->date_mode
);
1192 case 'c': /* committer ... */
1193 return format_person_part(sb
, placeholder
[1],
1194 msg
+ c
->committer
.off
, c
->committer
.len
,
1195 c
->pretty_ctx
->date_mode
);
1196 case 'e': /* encoding */
1197 if (c
->commit_encoding
)
1198 strbuf_addstr(sb
, c
->commit_encoding
);
1200 case 'B': /* raw body */
1201 /* message_off is always left at the initial newline */
1202 strbuf_addstr(sb
, msg
+ c
->message_off
+ 1);
1206 /* Now we need to parse the commit message. */
1207 if (!c
->commit_message_parsed
)
1208 parse_commit_message(c
);
1210 switch (placeholder
[0]) {
1211 case 's': /* subject */
1212 format_subject(sb
, msg
+ c
->subject_off
, " ");
1214 case 'f': /* sanitized subject */
1215 format_sanitized_subject(sb
, msg
+ c
->subject_off
);
1217 case 'b': /* body */
1218 strbuf_addstr(sb
, msg
+ c
->body_off
);
1221 return 0; /* unknown placeholder */
1224 static size_t format_commit_item(struct strbuf
*sb
, /* in UTF-8 */
1225 const char *placeholder
,
1232 ADD_LF_BEFORE_NON_EMPTY
,
1233 DEL_LF_BEFORE_EMPTY
,
1234 ADD_SP_BEFORE_NON_EMPTY
1237 switch (placeholder
[0]) {
1239 magic
= DEL_LF_BEFORE_EMPTY
;
1242 magic
= ADD_LF_BEFORE_NON_EMPTY
;
1245 magic
= ADD_SP_BEFORE_NON_EMPTY
;
1250 if (magic
!= NO_MAGIC
)
1254 consumed
= format_commit_one(sb
, placeholder
, context
);
1255 if (magic
== NO_MAGIC
)
1258 if ((orig_len
== sb
->len
) && magic
== DEL_LF_BEFORE_EMPTY
) {
1259 while (sb
->len
&& sb
->buf
[sb
->len
- 1] == '\n')
1260 strbuf_setlen(sb
, sb
->len
- 1);
1261 } else if (orig_len
!= sb
->len
) {
1262 if (magic
== ADD_LF_BEFORE_NON_EMPTY
)
1263 strbuf_insert(sb
, orig_len
, "\n", 1);
1264 else if (magic
== ADD_SP_BEFORE_NON_EMPTY
)
1265 strbuf_insert(sb
, orig_len
, " ", 1);
1267 return consumed
+ 1;
1270 static size_t userformat_want_item(struct strbuf
*sb
, const char *placeholder
,
1273 struct userformat_want
*w
= context
;
1275 if (*placeholder
== '+' || *placeholder
== '-' || *placeholder
== ' ')
1278 switch (*placeholder
) {
1286 void userformat_find_requirements(const char *fmt
, struct userformat_want
*w
)
1288 struct strbuf dummy
= STRBUF_INIT
;
1295 strbuf_expand(&dummy
, fmt
, userformat_want_item
, w
);
1296 strbuf_release(&dummy
);
1299 void format_commit_message(const struct commit
*commit
,
1300 const char *format
, struct strbuf
*sb
,
1301 const struct pretty_print_context
*pretty_ctx
)
1303 struct format_commit_context context
;
1304 const char *output_enc
= pretty_ctx
->output_encoding
;
1305 const char *utf8
= "UTF-8";
1307 memset(&context
, 0, sizeof(context
));
1308 context
.commit
= commit
;
1309 context
.pretty_ctx
= pretty_ctx
;
1310 context
.wrap_start
= sb
->len
;
1311 context
.message
= logmsg_reencode(commit
,
1312 &context
.commit_encoding
,
1315 strbuf_expand(sb
, format
, format_commit_item
, &context
);
1316 rewrap_message_tail(sb
, &context
, 0, 0, 0);
1319 if (same_encoding(utf8
, output_enc
))
1322 if (context
.commit_encoding
&&
1323 !same_encoding(context
.commit_encoding
, utf8
))
1324 output_enc
= context
.commit_encoding
;
1329 char *out
= reencode_string_len(sb
->buf
, sb
->len
,
1330 output_enc
, utf8
, &outsz
);
1332 strbuf_attach(sb
, out
, outsz
, outsz
+ 1);
1335 free(context
.commit_encoding
);
1336 logmsg_free(context
.message
, commit
);
1337 free(context
.signature_check
.gpg_output
);
1338 free(context
.signature_check
.signer
);
1341 static void pp_header(const struct pretty_print_context
*pp
,
1342 const char *encoding
,
1343 const struct commit
*commit
,
1347 int parents_shown
= 0;
1350 const char *line
= *msg_p
;
1351 int linelen
= get_one_line(*msg_p
);
1361 if (pp
->fmt
== CMIT_FMT_RAW
) {
1362 strbuf_add(sb
, line
, linelen
);
1366 if (!prefixcmp(line
, "parent ")) {
1368 die("bad parent line in commit");
1372 if (!parents_shown
) {
1373 struct commit_list
*parent
;
1375 for (parent
= commit
->parents
, num
= 0;
1377 parent
= parent
->next
, num
++)
1379 /* with enough slop */
1380 strbuf_grow(sb
, num
* 50 + 20);
1381 add_merge_info(pp
, sb
, commit
);
1386 * MEDIUM == DEFAULT shows only author with dates.
1387 * FULL shows both authors but not dates.
1388 * FULLER shows both authors and dates.
1390 if (!prefixcmp(line
, "author ")) {
1391 strbuf_grow(sb
, linelen
+ 80);
1392 pp_user_info(pp
, "Author", sb
, line
+ 7, encoding
);
1394 if (!prefixcmp(line
, "committer ") &&
1395 (pp
->fmt
== CMIT_FMT_FULL
|| pp
->fmt
== CMIT_FMT_FULLER
)) {
1396 strbuf_grow(sb
, linelen
+ 80);
1397 pp_user_info(pp
, "Commit", sb
, line
+ 10, encoding
);
1402 void pp_title_line(const struct pretty_print_context
*pp
,
1405 const char *encoding
,
1408 static const int max_length
= 78; /* per rfc2047 */
1409 struct strbuf title
;
1411 strbuf_init(&title
, 80);
1412 *msg_p
= format_subject(&title
, *msg_p
,
1413 pp
->preserve_subject
? "\n" : " ");
1415 strbuf_grow(sb
, title
.len
+ 1024);
1417 strbuf_addstr(sb
, pp
->subject
);
1418 if (needs_rfc2047_encoding(title
.buf
, title
.len
, RFC2047_SUBJECT
))
1419 add_rfc2047(sb
, title
.buf
, title
.len
,
1420 encoding
, RFC2047_SUBJECT
);
1422 strbuf_add_wrapped_bytes(sb
, title
.buf
, title
.len
,
1423 -last_line_length(sb
), 1, max_length
);
1425 strbuf_addbuf(sb
, &title
);
1427 strbuf_addch(sb
, '\n');
1429 if (need_8bit_cte
> 0) {
1430 const char *header_fmt
=
1431 "MIME-Version: 1.0\n"
1432 "Content-Type: text/plain; charset=%s\n"
1433 "Content-Transfer-Encoding: 8bit\n";
1434 strbuf_addf(sb
, header_fmt
, encoding
);
1436 if (pp
->after_subject
) {
1437 strbuf_addstr(sb
, pp
->after_subject
);
1439 if (pp
->fmt
== CMIT_FMT_EMAIL
) {
1440 strbuf_addch(sb
, '\n');
1442 strbuf_release(&title
);
1445 void pp_remainder(const struct pretty_print_context
*pp
,
1452 const char *line
= *msg_p
;
1453 int linelen
= get_one_line(line
);
1459 if (is_empty_line(line
, &linelen
)) {
1462 if (pp
->fmt
== CMIT_FMT_SHORT
)
1467 strbuf_grow(sb
, linelen
+ indent
+ 20);
1469 memset(sb
->buf
+ sb
->len
, ' ', indent
);
1470 strbuf_setlen(sb
, sb
->len
+ indent
);
1472 strbuf_add(sb
, line
, linelen
);
1473 strbuf_addch(sb
, '\n');
1477 void pretty_print_commit(const struct pretty_print_context
*pp
,
1478 const struct commit
*commit
,
1481 unsigned long beginning_of_body
;
1485 const char *encoding
;
1486 int need_8bit_cte
= pp
->need_8bit_cte
;
1488 if (pp
->fmt
== CMIT_FMT_USERFORMAT
) {
1489 format_commit_message(commit
, user_format
, sb
, pp
);
1493 encoding
= get_log_output_encoding();
1494 msg
= reencoded
= logmsg_reencode(commit
, NULL
, encoding
);
1496 if (pp
->fmt
== CMIT_FMT_ONELINE
|| pp
->fmt
== CMIT_FMT_EMAIL
)
1500 * We need to check and emit Content-type: to mark it
1501 * as 8-bit if we haven't done so.
1503 if (pp
->fmt
== CMIT_FMT_EMAIL
&& need_8bit_cte
== 0) {
1506 for (in_body
= i
= 0; (ch
= msg
[i
]); i
++) {
1508 /* author could be non 7-bit ASCII but
1509 * the log may be so; skip over the
1510 * header part first.
1512 if (ch
== '\n' && msg
[i
+1] == '\n')
1515 else if (non_ascii(ch
)) {
1522 pp_header(pp
, encoding
, commit
, &msg
, sb
);
1523 if (pp
->fmt
!= CMIT_FMT_ONELINE
&& !pp
->subject
) {
1524 strbuf_addch(sb
, '\n');
1527 /* Skip excess blank lines at the beginning of body, if any... */
1528 msg
= skip_empty_lines(msg
);
1530 /* These formats treat the title line specially. */
1531 if (pp
->fmt
== CMIT_FMT_ONELINE
|| pp
->fmt
== CMIT_FMT_EMAIL
)
1532 pp_title_line(pp
, &msg
, sb
, encoding
, need_8bit_cte
);
1534 beginning_of_body
= sb
->len
;
1535 if (pp
->fmt
!= CMIT_FMT_ONELINE
)
1536 pp_remainder(pp
, &msg
, sb
, indent
);
1539 /* Make sure there is an EOLN for the non-oneline case */
1540 if (pp
->fmt
!= CMIT_FMT_ONELINE
)
1541 strbuf_addch(sb
, '\n');
1544 * The caller may append additional body text in e-mail
1545 * format. Make sure we did not strip the blank line
1546 * between the header and the body.
1548 if (pp
->fmt
== CMIT_FMT_EMAIL
&& sb
->len
<= beginning_of_body
)
1549 strbuf_addch(sb
, '\n');
1551 logmsg_free(reencoded
, commit
);
1554 void pp_commit_easy(enum cmit_fmt fmt
, const struct commit
*commit
,
1557 struct pretty_print_context pp
= {0};
1559 pretty_print_commit(&pp
, commit
, sb
);