| #include "cache.h" |
| #include "config.h" |
| #include "commit.h" |
| #include "utf8.h" |
| #include "diff.h" |
| #include "revision.h" |
| #include "string-list.h" |
| #include "mailmap.h" |
| #include "log-tree.h" |
| #include "notes.h" |
| #include "color.h" |
| #include "reflog-walk.h" |
| #include "gpg-interface.h" |
| #include "trailer.h" |
| |
| static char *user_format; |
| static struct cmt_fmt_map { |
| const char *name; |
| enum cmit_fmt format; |
| int is_tformat; |
| int expand_tabs_in_log; |
| int is_alias; |
| enum date_mode_type default_date_mode_type; |
| const char *user_format; |
| } *commit_formats; |
| static size_t builtin_formats_len; |
| static size_t commit_formats_len; |
| static size_t commit_formats_alloc; |
| static struct cmt_fmt_map *find_commit_format(const char *sought); |
| |
| int commit_format_is_empty(enum cmit_fmt fmt) |
| { |
| return fmt == CMIT_FMT_USERFORMAT && !*user_format; |
| } |
| |
| static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat) |
| { |
| free(user_format); |
| user_format = xstrdup(cp); |
| if (is_tformat) |
| rev->use_terminator = 1; |
| rev->commit_format = CMIT_FMT_USERFORMAT; |
| } |
| |
| static int git_pretty_formats_config(const char *var, const char *value, void *cb) |
| { |
| struct cmt_fmt_map *commit_format = NULL; |
| const char *name; |
| const char *fmt; |
| int i; |
| |
| if (!skip_prefix(var, "pretty.", &name)) |
| return 0; |
| |
| for (i = 0; i < builtin_formats_len; i++) { |
| if (!strcmp(commit_formats[i].name, name)) |
| return 0; |
| } |
| |
| for (i = builtin_formats_len; i < commit_formats_len; i++) { |
| if (!strcmp(commit_formats[i].name, name)) { |
| commit_format = &commit_formats[i]; |
| break; |
| } |
| } |
| |
| if (!commit_format) { |
| ALLOC_GROW(commit_formats, commit_formats_len+1, |
| commit_formats_alloc); |
| commit_format = &commit_formats[commit_formats_len]; |
| memset(commit_format, 0, sizeof(*commit_format)); |
| commit_formats_len++; |
| } |
| |
| commit_format->name = xstrdup(name); |
| commit_format->format = CMIT_FMT_USERFORMAT; |
| if (git_config_string(&fmt, var, value)) |
| return -1; |
| |
| if (skip_prefix(fmt, "format:", &fmt)) |
| commit_format->is_tformat = 0; |
| else if (skip_prefix(fmt, "tformat:", &fmt) || strchr(fmt, '%')) |
| commit_format->is_tformat = 1; |
| else |
| commit_format->is_alias = 1; |
| commit_format->user_format = fmt; |
| |
| return 0; |
| } |
| |
| static void setup_commit_formats(void) |
| { |
| struct cmt_fmt_map builtin_formats[] = { |
| { "raw", CMIT_FMT_RAW, 0, 0 }, |
| { "medium", CMIT_FMT_MEDIUM, 0, 8 }, |
| { "short", CMIT_FMT_SHORT, 0, 0 }, |
| { "email", CMIT_FMT_EMAIL, 0, 0 }, |
| { "mboxrd", CMIT_FMT_MBOXRD, 0, 0 }, |
| { "fuller", CMIT_FMT_FULLER, 0, 8 }, |
| { "full", CMIT_FMT_FULL, 0, 8 }, |
| { "oneline", CMIT_FMT_ONELINE, 1, 0 }, |
| { "reference", CMIT_FMT_USERFORMAT, 1, 0, |
| 0, DATE_SHORT, "%C(auto)%h (%s, %ad)" }, |
| /* |
| * Please update $__git_log_pretty_formats in |
| * git-completion.bash when you add new formats. |
| */ |
| }; |
| commit_formats_len = ARRAY_SIZE(builtin_formats); |
| builtin_formats_len = commit_formats_len; |
| ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc); |
| COPY_ARRAY(commit_formats, builtin_formats, |
| ARRAY_SIZE(builtin_formats)); |
| |
| git_config(git_pretty_formats_config, NULL); |
| } |
| |
| static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, |
| const char *original, |
| int num_redirections) |
| { |
| struct cmt_fmt_map *found = NULL; |
| size_t found_match_len = 0; |
| int i; |
| |
| if (num_redirections >= commit_formats_len) |
| die("invalid --pretty format: " |
| "'%s' references an alias which points to itself", |
| original); |
| |
| for (i = 0; i < commit_formats_len; i++) { |
| size_t match_len; |
| |
| if (!starts_with(commit_formats[i].name, sought)) |
| continue; |
| |
| match_len = strlen(commit_formats[i].name); |
| if (found == NULL || found_match_len > match_len) { |
| found = &commit_formats[i]; |
| found_match_len = match_len; |
| } |
| } |
| |
| if (found && found->is_alias) { |
| found = find_commit_format_recursive(found->user_format, |
| original, |
| num_redirections+1); |
| } |
| |
| return found; |
| } |
| |
| static struct cmt_fmt_map *find_commit_format(const char *sought) |
| { |
| if (!commit_formats) |
| setup_commit_formats(); |
| |
| return find_commit_format_recursive(sought, sought, 0); |
| } |
| |
| void get_commit_format(const char *arg, struct rev_info *rev) |
| { |
| struct cmt_fmt_map *commit_format; |
| |
| rev->use_terminator = 0; |
| if (!arg) { |
| rev->commit_format = CMIT_FMT_DEFAULT; |
| return; |
| } |
| if (skip_prefix(arg, "format:", &arg)) { |
| save_user_format(rev, arg, 0); |
| return; |
| } |
| |
| if (!*arg || skip_prefix(arg, "tformat:", &arg) || strchr(arg, '%')) { |
| save_user_format(rev, arg, 1); |
| return; |
| } |
| |
| commit_format = find_commit_format(arg); |
| if (!commit_format) |
| die("invalid --pretty format: %s", arg); |
| |
| rev->commit_format = commit_format->format; |
| rev->use_terminator = commit_format->is_tformat; |
| rev->expand_tabs_in_log_default = commit_format->expand_tabs_in_log; |
| if (!rev->date_mode_explicit && commit_format->default_date_mode_type) |
| rev->date_mode.type = commit_format->default_date_mode_type; |
| if (commit_format->format == CMIT_FMT_USERFORMAT) { |
| save_user_format(rev, commit_format->user_format, |
| commit_format->is_tformat); |
| } |
| } |
| |
| /* |
| * Generic support for pretty-printing the header |
| */ |
| static int get_one_line(const char *msg) |
| { |
| int ret = 0; |
| |
| for (;;) { |
| char c = *msg++; |
| if (!c) |
| break; |
| ret++; |
| if (c == '\n') |
| break; |
| } |
| return ret; |
| } |
| |
| /* High bit set, or ISO-2022-INT */ |
| static int non_ascii(int ch) |
| { |
| return !isascii(ch) || ch == '\033'; |
| } |
| |
| int has_non_ascii(const char *s) |
| { |
| int ch; |
| if (!s) |
| return 0; |
| while ((ch = *s++) != '\0') { |
| if (non_ascii(ch)) |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int is_rfc822_special(char ch) |
| { |
| switch (ch) { |
| case '(': |
| case ')': |
| case '<': |
| case '>': |
| case '[': |
| case ']': |
| case ':': |
| case ';': |
| case '@': |
| case ',': |
| case '.': |
| case '"': |
| case '\\': |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| |
| static int needs_rfc822_quoting(const char *s, int len) |
| { |
| int i; |
| for (i = 0; i < len; i++) |
| if (is_rfc822_special(s[i])) |
| return 1; |
| return 0; |
| } |
| |
| static int last_line_length(struct strbuf *sb) |
| { |
| int i; |
| |
| /* How many bytes are already used on the last line? */ |
| for (i = sb->len - 1; i >= 0; i--) |
| if (sb->buf[i] == '\n') |
| break; |
| return sb->len - (i + 1); |
| } |
| |
| static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) |
| { |
| int i; |
| |
| /* just a guess, we may have to also backslash-quote */ |
| strbuf_grow(out, len + 2); |
| |
| strbuf_addch(out, '"'); |
| for (i = 0; i < len; i++) { |
| switch (s[i]) { |
| case '"': |
| case '\\': |
| strbuf_addch(out, '\\'); |
| /* fall through */ |
| default: |
| strbuf_addch(out, s[i]); |
| } |
| } |
| strbuf_addch(out, '"'); |
| } |
| |
| enum rfc2047_type { |
| RFC2047_SUBJECT, |
| RFC2047_ADDRESS |
| }; |
| |
| static int is_rfc2047_special(char ch, enum rfc2047_type type) |
| { |
| /* |
| * rfc2047, section 4.2: |
| * |
| * 8-bit values which correspond to printable ASCII characters other |
| * than "=", "?", and "_" (underscore), MAY be represented as those |
| * characters. (But see section 5 for restrictions.) In |
| * particular, SPACE and TAB MUST NOT be represented as themselves |
| * within encoded words. |
| */ |
| |
| /* |
| * rule out non-ASCII characters and non-printable characters (the |
| * non-ASCII check should be redundant as isprint() is not localized |
| * and only knows about ASCII, but be defensive about that) |
| */ |
| if (non_ascii(ch) || !isprint(ch)) |
| return 1; |
| |
| /* |
| * rule out special printable characters (' ' should be the only |
| * whitespace character considered printable, but be defensive and use |
| * isspace()) |
| */ |
| if (isspace(ch) || ch == '=' || ch == '?' || ch == '_') |
| return 1; |
| |
| /* |
| * rfc2047, section 5.3: |
| * |
| * As a replacement for a 'word' entity within a 'phrase', for example, |
| * one that precedes an address in a From, To, or Cc header. The ABNF |
| * definition for 'phrase' from RFC 822 thus becomes: |
| * |
| * phrase = 1*( encoded-word / word ) |
| * |
| * In this case the set of characters that may be used in a "Q"-encoded |
| * 'encoded-word' is restricted to: <upper and lower case ASCII |
| * letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" |
| * (underscore, ASCII 95.)>. An 'encoded-word' that appears within a |
| * 'phrase' MUST be separated from any adjacent 'word', 'text' or |
| * 'special' by 'linear-white-space'. |
| */ |
| |
| if (type != RFC2047_ADDRESS) |
| return 0; |
| |
| /* '=' and '_' are special cases and have been checked above */ |
| return !(isalnum(ch) || ch == '!' || ch == '*' || ch == '+' || ch == '-' || ch == '/'); |
| } |
| |
| static int needs_rfc2047_encoding(const char *line, int len) |
| { |
| int i; |
| |
| for (i = 0; i < len; i++) { |
| int ch = line[i]; |
| if (non_ascii(ch) || ch == '\n') |
| return 1; |
| if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, |
| const char *encoding, enum rfc2047_type type) |
| { |
| static const int max_encoded_length = 76; /* per rfc2047 */ |
| int i; |
| int line_len = last_line_length(sb); |
| |
| strbuf_grow(sb, len * 3 + strlen(encoding) + 100); |
| strbuf_addf(sb, "=?%s?q?", encoding); |
| line_len += strlen(encoding) + 5; /* 5 for =??q? */ |
| |
| while (len) { |
| /* |
| * RFC 2047, section 5 (3): |
| * |
| * Each 'encoded-word' MUST represent an integral number of |
| * characters. A multi-octet character may not be split across |
| * adjacent 'encoded- word's. |
| */ |
| const unsigned char *p = (const unsigned char *)line; |
| int chrlen = mbs_chrlen(&line, &len, encoding); |
| int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); |
| |
| /* "=%02X" * chrlen, or the byte itself */ |
| const char *encoded_fmt = is_special ? "=%02X" : "%c"; |
| int encoded_len = is_special ? 3 * chrlen : 1; |
| |
| /* |
| * According to RFC 2047, we could encode the special character |
| * ' ' (space) with '_' (underscore) for readability. But many |
| * programs do not understand this and just leave the |
| * underscore in place. Thus, we do nothing special here, which |
| * causes ' ' to be encoded as '=20', avoiding this problem. |
| */ |
| |
| if (line_len + encoded_len + 2 > max_encoded_length) { |
| /* It won't fit with trailing "?=" --- break the line */ |
| strbuf_addf(sb, "?=\n =?%s?q?", encoding); |
| line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ |
| } |
| |
| for (i = 0; i < chrlen; i++) |
| strbuf_addf(sb, encoded_fmt, p[i]); |
| line_len += encoded_len; |
| } |
| strbuf_addstr(sb, "?="); |
| } |
| |
| const char *show_ident_date(const struct ident_split *ident, |
| const struct date_mode *mode) |
| { |
| timestamp_t date = 0; |
| long tz = 0; |
| |
| if (ident->date_begin && ident->date_end) |
| date = parse_timestamp(ident->date_begin, NULL, 10); |
| if (date_overflows(date)) |
| date = 0; |
| else { |
| if (ident->tz_begin && ident->tz_end) |
| tz = strtol(ident->tz_begin, NULL, 10); |
| if (tz >= INT_MAX || tz <= INT_MIN) |
| tz = 0; |
| } |
| return show_date(date, tz, mode); |
| } |
| |
| void pp_user_info(struct pretty_print_context *pp, |
| const char *what, struct strbuf *sb, |
| const char *line, const char *encoding) |
| { |
| struct ident_split ident; |
| char *line_end; |
| const char *mailbuf, *namebuf; |
| size_t namelen, maillen; |
| int max_length = 78; /* per rfc2822 */ |
| |
| if (pp->fmt == CMIT_FMT_ONELINE) |
| return; |
| |
| line_end = strchrnul(line, '\n'); |
| if (split_ident_line(&ident, line, line_end - line)) |
| return; |
| |
| mailbuf = ident.mail_begin; |
| maillen = ident.mail_end - ident.mail_begin; |
| namebuf = ident.name_begin; |
| namelen = ident.name_end - ident.name_begin; |
| |
| if (pp->mailmap) |
| map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); |
| |
| if (cmit_fmt_is_mail(pp->fmt)) { |
| if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { |
| struct strbuf buf = STRBUF_INIT; |
| |
| strbuf_addstr(&buf, "From: "); |
| strbuf_add(&buf, namebuf, namelen); |
| strbuf_addstr(&buf, " <"); |
| strbuf_add(&buf, mailbuf, maillen); |
| strbuf_addstr(&buf, ">\n"); |
| string_list_append(&pp->in_body_headers, |
| strbuf_detach(&buf, NULL)); |
| |
| mailbuf = pp->from_ident->mail_begin; |
| maillen = pp->from_ident->mail_end - mailbuf; |
| namebuf = pp->from_ident->name_begin; |
| namelen = pp->from_ident->name_end - namebuf; |
| } |
| |
| strbuf_addstr(sb, "From: "); |
| if (pp->encode_email_headers && |
| needs_rfc2047_encoding(namebuf, namelen)) { |
| add_rfc2047(sb, namebuf, namelen, |
| encoding, RFC2047_ADDRESS); |
| max_length = 76; /* per rfc2047 */ |
| } else if (needs_rfc822_quoting(namebuf, namelen)) { |
| struct strbuf quoted = STRBUF_INIT; |
| add_rfc822_quoted("ed, namebuf, namelen); |
| strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, |
| -6, 1, max_length); |
| strbuf_release("ed); |
| } else { |
| strbuf_add_wrapped_bytes(sb, namebuf, namelen, |
| -6, 1, max_length); |
| } |
| |
| if (max_length < |
| last_line_length(sb) + strlen(" <") + maillen + strlen(">")) |
| strbuf_addch(sb, '\n'); |
| strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); |
| } else { |
| strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, |
| (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", |
| (int)namelen, namebuf, (int)maillen, mailbuf); |
| } |
| |
| switch (pp->fmt) { |
| case CMIT_FMT_MEDIUM: |
| strbuf_addf(sb, "Date: %s\n", |
| show_ident_date(&ident, &pp->date_mode)); |
| break; |
| case CMIT_FMT_EMAIL: |
| case CMIT_FMT_MBOXRD: |
| strbuf_addf(sb, "Date: %s\n", |
| show_ident_date(&ident, DATE_MODE(RFC2822))); |
| break; |
| case CMIT_FMT_FULLER: |
| strbuf_addf(sb, "%sDate: %s\n", what, |
| show_ident_date(&ident, &pp->date_mode)); |
| break; |
| default: |
| /* notin' */ |
| break; |
| } |
| } |
| |
| static int is_blank_line(const char *line, int *len_p) |
| { |
| int len = *len_p; |
| while (len && isspace(line[len - 1])) |
| len--; |
| *len_p = len; |
| return !len; |
| } |
| |
| const char *skip_blank_lines(const char *msg) |
| { |
| for (;;) { |
| int linelen = get_one_line(msg); |
| int ll = linelen; |
| if (!linelen) |
| break; |
| if (!is_blank_line(msg, &ll)) |
| break; |
| msg += linelen; |
| } |
| return msg; |
| } |
| |
| static void add_merge_info(const struct pretty_print_context *pp, |
| struct strbuf *sb, const struct commit *commit) |
| { |
| struct commit_list *parent = commit->parents; |
| |
| if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) || |
| !parent || !parent->next) |
| return; |
| |
| strbuf_addstr(sb, "Merge:"); |
| |
| while (parent) { |
| struct object_id *oidp = &parent->item->object.oid; |
| strbuf_addch(sb, ' '); |
| if (pp->abbrev) |
| strbuf_add_unique_abbrev(sb, oidp, pp->abbrev); |
| else |
| strbuf_addstr(sb, oid_to_hex(oidp)); |
| parent = parent->next; |
| } |
| strbuf_addch(sb, '\n'); |
| } |
| |
| static char *get_header(const char *msg, const char *key) |
| { |
| size_t len; |
| const char *v = find_commit_header(msg, key, &len); |
| return v ? xmemdupz(v, len) : NULL; |
| } |
| |
| static char *replace_encoding_header(char *buf, const char *encoding) |
| { |
| struct strbuf tmp = STRBUF_INIT; |
| size_t start, len; |
| char *cp = buf; |
| |
| /* guess if there is an encoding header before a \n\n */ |
| while (!starts_with(cp, "encoding ")) { |
| cp = strchr(cp, '\n'); |
| if (!cp || *++cp == '\n') |
| return buf; |
| } |
| start = cp - buf; |
| cp = strchr(cp, '\n'); |
| if (!cp) |
| return buf; /* should not happen but be defensive */ |
| len = cp + 1 - (buf + start); |
| |
| strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1); |
| if (is_encoding_utf8(encoding)) { |
| /* we have re-coded to UTF-8; drop the header */ |
| strbuf_remove(&tmp, start, len); |
| } else { |
| /* just replaces XXXX in 'encoding XXXX\n' */ |
| strbuf_splice(&tmp, start + strlen("encoding "), |
| len - strlen("encoding \n"), |
| encoding, strlen(encoding)); |
| } |
| return strbuf_detach(&tmp, NULL); |
| } |
| |
| const char *repo_logmsg_reencode(struct repository *r, |
| const struct commit *commit, |
| char **commit_encoding, |
| const char *output_encoding) |
| { |
| static const char *utf8 = "UTF-8"; |
| const char *use_encoding; |
| char *encoding; |
| const char *msg = repo_get_commit_buffer(r, commit, NULL); |
| char *out; |
| |
| if (!output_encoding || !*output_encoding) { |
| if (commit_encoding) |
| *commit_encoding = get_header(msg, "encoding"); |
| return msg; |
| } |
| encoding = get_header(msg, "encoding"); |
| if (commit_encoding) |
| *commit_encoding = encoding; |
| use_encoding = encoding ? encoding : utf8; |
| if (same_encoding(use_encoding, output_encoding)) { |
| /* |
| * No encoding work to be done. If we have no encoding header |
| * at all, then there's nothing to do, and we can return the |
| * message verbatim (whether newly allocated or not). |
| */ |
| if (!encoding) |
| return msg; |
| |
| /* |
| * Otherwise, we still want to munge the encoding header in the |
| * result, which will be done by modifying the buffer. If we |
| * are using a fresh copy, we can reuse it. But if we are using |
| * the cached copy from get_commit_buffer, we need to duplicate it |
| * to avoid munging the cached copy. |
| */ |
| if (msg == get_cached_commit_buffer(r, commit, NULL)) |
| out = xstrdup(msg); |
| else |
| out = (char *)msg; |
| } |
| else { |
| /* |
| * There's actual encoding work to do. Do the reencoding, which |
| * still leaves the header to be replaced in the next step. At |
| * this point, we are done with msg. If we allocated a fresh |
| * copy, we can free it. |
| */ |
| out = reencode_string(msg, output_encoding, use_encoding); |
| if (out) |
| repo_unuse_commit_buffer(r, commit, msg); |
| } |
| |
| /* |
| * This replacement actually consumes the buffer we hand it, so we do |
| * not have to worry about freeing the old "out" here. |
| */ |
| if (out) |
| out = replace_encoding_header(out, output_encoding); |
| |
| if (!commit_encoding) |
| free(encoding); |
| /* |
| * If the re-encoding failed, out might be NULL here; in that |
| * case we just return the commit message verbatim. |
| */ |
| return out ? out : msg; |
| } |
| |
| static int mailmap_name(const char **email, size_t *email_len, |
| const char **name, size_t *name_len) |
| { |
| static struct string_list *mail_map; |
| if (!mail_map) { |
| CALLOC_ARRAY(mail_map, 1); |
| read_mailmap(mail_map); |
| } |
| return mail_map->nr && map_user(mail_map, email, email_len, name, name_len); |
| } |
| |
| static size_t format_person_part(struct strbuf *sb, char part, |
| const char *msg, int len, |
| const struct date_mode *dmode) |
| { |
| /* currently all placeholders have same length */ |
| const int placeholder_len = 2; |
| struct ident_split s; |
| const char *name, *mail; |
| size_t maillen, namelen; |
| |
| if (split_ident_line(&s, msg, len) < 0) |
| goto skip; |
| |
| name = s.name_begin; |
| namelen = s.name_end - s.name_begin; |
| mail = s.mail_begin; |
| maillen = s.mail_end - s.mail_begin; |
| |
| if (part == 'N' || part == 'E' || part == 'L') /* mailmap lookup */ |
| mailmap_name(&mail, &maillen, &name, &namelen); |
| if (part == 'n' || part == 'N') { /* name */ |
| strbuf_add(sb, name, namelen); |
| return placeholder_len; |
| } |
| if (part == 'e' || part == 'E') { /* email */ |
| strbuf_add(sb, mail, maillen); |
| return placeholder_len; |
| } |
| if (part == 'l' || part == 'L') { /* local-part */ |
| const char *at = memchr(mail, '@', maillen); |
| if (at) |
| maillen = at - mail; |
| strbuf_add(sb, mail, maillen); |
| return placeholder_len; |
| } |
| |
| if (!s.date_begin) |
| goto skip; |
| |
| if (part == 't') { /* date, UNIX timestamp */ |
| strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); |
| return placeholder_len; |
| } |
| |
| switch (part) { |
| case 'd': /* date */ |
| strbuf_addstr(sb, show_ident_date(&s, dmode)); |
| return placeholder_len; |
| case 'D': /* date, RFC2822 style */ |
| strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RFC2822))); |
| return placeholder_len; |
| case 'r': /* date, relative */ |
| strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(RELATIVE))); |
| return placeholder_len; |
| case 'i': /* date, ISO 8601-like */ |
| strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601))); |
| return placeholder_len; |
| case 'I': /* date, ISO 8601 strict */ |
| strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(ISO8601_STRICT))); |
| return placeholder_len; |
| case 's': |
| strbuf_addstr(sb, show_ident_date(&s, DATE_MODE(SHORT))); |
| return placeholder_len; |
| } |
| |
| skip: |
| /* |
| * reading from either a bogus commit, or a reflog entry with |
| * %gn, %ge, etc.; 'sb' cannot be updated, but we still need |
| * to compute a valid return value. |
| */ |
| if (part == 'n' || part == 'e' || part == 't' || part == 'd' |
| || part == 'D' || part == 'r' || part == 'i') |
| return placeholder_len; |
| |
| return 0; /* unknown placeholder */ |
| } |
| |
| struct chunk { |
| size_t off; |
| size_t len; |
| }; |
| |
| enum flush_type { |
| no_flush, |
| flush_right, |
| flush_left, |
| flush_left_and_steal, |
| flush_both |
| }; |
| |
| enum trunc_type { |
| trunc_none, |
| trunc_left, |
| trunc_middle, |
| trunc_right |
| }; |
| |
| struct format_commit_context { |
| struct repository *repository; |
| const struct commit *commit; |
| const struct pretty_print_context *pretty_ctx; |
| unsigned commit_header_parsed:1; |
| unsigned commit_message_parsed:1; |
| struct signature_check signature_check; |
| enum flush_type flush_type; |
| enum trunc_type truncate; |
| const char *message; |
| char *commit_encoding; |
| size_t width, indent1, indent2; |
| int auto_color; |
| int padding; |
| |
| /* These offsets are relative to the start of the commit message. */ |
| struct chunk author; |
| struct chunk committer; |
| size_t message_off; |
| size_t subject_off; |
| size_t body_off; |
| |
| /* The following ones are relative to the result struct strbuf. */ |
| size_t wrap_start; |
| }; |
| |
| static void parse_commit_header(struct format_commit_context *context) |
| { |
| const char *msg = context->message; |
| int i; |
| |
| for (i = 0; msg[i]; i++) { |
| const char *name; |
| int eol; |
| for (eol = i; msg[eol] && msg[eol] != '\n'; eol++) |
| ; /* do nothing */ |
| |
| if (i == eol) { |
| break; |
| } else if (skip_prefix(msg + i, "author ", &name)) { |
| context->author.off = name - msg; |
| context->author.len = msg + eol - name; |
| } else if (skip_prefix(msg + i, "committer ", &name)) { |
| context->committer.off = name - msg; |
| context->committer.len = msg + eol - name; |
| } |
| i = eol; |
| } |
| context->message_off = i; |
| context->commit_header_parsed = 1; |
| } |
| |
| static int istitlechar(char c) |
| { |
| return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || |
| (c >= '0' && c <= '9') || c == '.' || c == '_'; |
| } |
| |
| void format_sanitized_subject(struct strbuf *sb, const char *msg, size_t len) |
| { |
| size_t trimlen; |
| size_t start_len = sb->len; |
| int space = 2; |
| int i; |
| |
| for (i = 0; i < len; i++) { |
| if (istitlechar(msg[i])) { |
| if (space == 1) |
| strbuf_addch(sb, '-'); |
| space = 0; |
| strbuf_addch(sb, msg[i]); |
| if (msg[i] == '.') |
| while (msg[i+1] == '.') |
| i++; |
| } else |
| space |= 1; |
| } |
| |
| /* trim any trailing '.' or '-' characters */ |
| trimlen = 0; |
| while (sb->len - trimlen > start_len && |
| (sb->buf[sb->len - 1 - trimlen] == '.' |
| || sb->buf[sb->len - 1 - trimlen] == '-')) |
| trimlen++; |
| strbuf_remove(sb, sb->len - trimlen, trimlen); |
| } |
| |
| const char *format_subject(struct strbuf *sb, const char *msg, |
| const char *line_separator) |
| { |
| int first = 1; |
| |
| for (;;) { |
| const char *line = msg; |
| int linelen = get_one_line(line); |
| |
| msg += linelen; |
| if (!linelen || is_blank_line(line, &linelen)) |
| break; |
| |
| if (!sb) |
| continue; |
| strbuf_grow(sb, linelen + 2); |
| if (!first) |
| strbuf_addstr(sb, line_separator); |
| strbuf_add(sb, line, linelen); |
| first = 0; |
| } |
| return msg; |
| } |
| |
| static void parse_commit_message(struct format_commit_context *c) |
| { |
| const char *msg = c->message + c->message_off; |
| const char *start = c->message; |
| |
| msg = skip_blank_lines(msg); |
| c->subject_off = msg - start; |
| |
| msg = format_subject(NULL, msg, NULL); |
| msg = skip_blank_lines(msg); |
| c->body_off = msg - start; |
| |
| c->commit_message_parsed = 1; |
| } |
| |
| static void strbuf_wrap(struct strbuf *sb, size_t pos, |
| size_t width, size_t indent1, size_t indent2) |
| { |
| struct strbuf tmp = STRBUF_INIT; |
| |
| if (pos) |
| strbuf_add(&tmp, sb->buf, pos); |
| strbuf_add_wrapped_text(&tmp, sb->buf + pos, |
| (int) indent1, (int) indent2, (int) width); |
| strbuf_swap(&tmp, sb); |
| strbuf_release(&tmp); |
| } |
| |
| static void rewrap_message_tail(struct strbuf *sb, |
| struct format_commit_context *c, |
| size_t new_width, size_t new_indent1, |
| size_t new_indent2) |
| { |
| if (c->width == new_width && c->indent1 == new_indent1 && |
| c->indent2 == new_indent2) |
| return; |
| if (c->wrap_start < sb->len) |
| strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2); |
| c->wrap_start = sb->len; |
| c->width = new_width; |
| c->indent1 = new_indent1; |
| c->indent2 = new_indent2; |
| } |
| |
| static int format_reflog_person(struct strbuf *sb, |
| char part, |
| struct reflog_walk_info *log, |
| const struct date_mode *dmode) |
| { |
| const char *ident; |
| |
| if (!log) |
| return 2; |
| |
| ident = get_reflog_ident(log); |
| if (!ident) |
| return 2; |
| |
| return format_person_part(sb, part, ident, strlen(ident), dmode); |
| } |
| |
| static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ |
| const char *placeholder, |
| struct format_commit_context *c) |
| { |
| const char *rest = placeholder; |
| const char *basic_color = NULL; |
| |
| if (placeholder[1] == '(') { |
| const char *begin = placeholder + 2; |
| const char *end = strchr(begin, ')'); |
| char color[COLOR_MAXLEN]; |
| |
| if (!end) |
| return 0; |
| |
| if (skip_prefix(begin, "auto,", &begin)) { |
| if (!want_color(c->pretty_ctx->color)) |
| return end - placeholder + 1; |
| } else if (skip_prefix(begin, "always,", &begin)) { |
| /* nothing to do; we do not respect want_color at all */ |
| } else { |
| /* the default is the same as "auto" */ |
| if (!want_color(c->pretty_ctx->color)) |
| return end - placeholder + 1; |
| } |
| |
| if (color_parse_mem(begin, end - begin, color) < 0) |
| die(_("unable to parse --pretty format")); |
| strbuf_addstr(sb, color); |
| return end - placeholder + 1; |
| } |
| |
| /* |
| * We handle things like "%C(red)" above; for historical reasons, there |
| * are a few colors that can be specified without parentheses (and |
| * they cannot support things like "auto" or "always" at all). |
| */ |
| if (skip_prefix(placeholder + 1, "red", &rest)) |
| basic_color = GIT_COLOR_RED; |
| else if (skip_prefix(placeholder + 1, "green", &rest)) |
| basic_color = GIT_COLOR_GREEN; |
| else if (skip_prefix(placeholder + 1, "blue", &rest)) |
| basic_color = GIT_COLOR_BLUE; |
| else if (skip_prefix(placeholder + 1, "reset", &rest)) |
| basic_color = GIT_COLOR_RESET; |
| |
| if (basic_color && want_color(c->pretty_ctx->color)) |
| strbuf_addstr(sb, basic_color); |
| |
| return rest - placeholder; |
| } |
| |
| static size_t parse_padding_placeholder(const char *placeholder, |
| struct format_commit_context *c) |
| { |
| const char *ch = placeholder; |
| enum flush_type flush_type; |
| int to_column = 0; |
| |
| switch (*ch++) { |
| case '<': |
| flush_type = flush_right; |
| break; |
| case '>': |
| if (*ch == '<') { |
| flush_type = flush_both; |
| ch++; |
| } else if (*ch == '>') { |
| flush_type = flush_left_and_steal; |
| ch++; |
| } else |
| flush_type = flush_left; |
| break; |
| default: |
| return 0; |
| } |
| |
| /* the next value means "wide enough to that column" */ |
| if (*ch == '|') { |
| to_column = 1; |
| ch++; |
| } |
| |
| if (*ch == '(') { |
| const char *start = ch + 1; |
| const char *end = start + strcspn(start, ",)"); |
| char *next; |
| int width; |
| if (!end || end == start) |
| return 0; |
| width = strtol(start, &next, 10); |
| if (next == start || width == 0) |
| return 0; |
| if (width < 0) { |
| if (to_column) |
| width += term_columns(); |
| if (width < 0) |
| return 0; |
| } |
| c->padding = to_column ? -width : width; |
| c->flush_type = flush_type; |
| |
| if (*end == ',') { |
| start = end + 1; |
| end = strchr(start, ')'); |
| if (!end || end == start) |
| return 0; |
| if (starts_with(start, "trunc)")) |
| c->truncate = trunc_right; |
| else if (starts_with(start, "ltrunc)")) |
| c->truncate = trunc_left; |
| else if (starts_with(start, "mtrunc)")) |
| c->truncate = trunc_middle; |
| else |
| return 0; |
| } else |
| c->truncate = trunc_none; |
| |
| return end - placeholder + 1; |
| } |
| return 0; |
| } |
| |
| static int match_placeholder_arg_value(const char *to_parse, const char *candidate, |
| const char **end, const char **valuestart, |
| size_t *valuelen) |
| { |
| const char *p; |
| |
| if (!(skip_prefix(to_parse, candidate, &p))) |
| return 0; |
| if (valuestart) { |
| if (*p == '=') { |
| *valuestart = p + 1; |
| *valuelen = strcspn(*valuestart, ",)"); |
| p = *valuestart + *valuelen; |
| } else { |
| if (*p != ',' && *p != ')') |
| return 0; |
| *valuestart = NULL; |
| *valuelen = 0; |
| } |
| } |
| if (*p == ',') { |
| *end = p + 1; |
| return 1; |
| } |
| if (*p == ')') { |
| *end = p; |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int match_placeholder_bool_arg(const char *to_parse, const char *candidate, |
| const char **end, int *val) |
| { |
| const char *argval; |
| char *strval; |
| size_t arglen; |
| int v; |
| |
| if (!match_placeholder_arg_value(to_parse, candidate, end, &argval, &arglen)) |
| return 0; |
| |
| if (!argval) { |
| *val = 1; |
| return 1; |
| } |
| |
| strval = xstrndup(argval, arglen); |
| v = git_parse_maybe_bool(strval); |
| free(strval); |
| |
| if (v == -1) |
| return 0; |
| |
| *val = v; |
| |
| return 1; |
| } |
| |
| static int format_trailer_match_cb(const struct strbuf *key, void *ud) |
| { |
| const struct string_list *list = ud; |
| const struct string_list_item *item; |
| |
| for_each_string_list_item (item, list) { |
| if (key->len == (uintptr_t)item->util && |
| !strncasecmp(item->string, key->buf, key->len)) |
| return 1; |
| } |
| return 0; |
| } |
| |
| int format_set_trailers_options(struct process_trailer_options *opts, |
| struct string_list *filter_list, |
| struct strbuf *sepbuf, |
| struct strbuf *kvsepbuf, |
| const char **arg, |
| char **invalid_arg) |
| { |
| for (;;) { |
| const char *argval; |
| size_t arglen; |
| |
| if (**arg == ')') |
| break; |
| |
| if (match_placeholder_arg_value(*arg, "key", arg, &argval, &arglen)) { |
| uintptr_t len = arglen; |
| |
| if (!argval) |
| return -1; |
| |
| if (len && argval[len - 1] == ':') |
| len--; |
| string_list_append(filter_list, argval)->util = (char *)len; |
| |
| opts->filter = format_trailer_match_cb; |
| opts->filter_data = filter_list; |
| opts->only_trailers = 1; |
| } else if (match_placeholder_arg_value(*arg, "separator", arg, &argval, &arglen)) { |
| char *fmt; |
| |
| strbuf_reset(sepbuf); |
| fmt = xstrndup(argval, arglen); |
| strbuf_expand(sepbuf, fmt, strbuf_expand_literal_cb, NULL); |
| free(fmt); |
| opts->separator = sepbuf; |
| } else if (match_placeholder_arg_value(*arg, "key_value_separator", arg, &argval, &arglen)) { |
| char *fmt; |
| |
| strbuf_reset(kvsepbuf); |
| fmt = xstrndup(argval, arglen); |
| strbuf_expand(kvsepbuf, fmt, strbuf_expand_literal_cb, NULL); |
| free(fmt); |
| opts->key_value_separator = kvsepbuf; |
| } else if (!match_placeholder_bool_arg(*arg, "only", arg, &opts->only_trailers) && |
| !match_placeholder_bool_arg(*arg, "unfold", arg, &opts->unfold) && |
| !match_placeholder_bool_arg(*arg, "keyonly", arg, &opts->key_only) && |
| !match_placeholder_bool_arg(*arg, "valueonly", arg, &opts->value_only)) { |
| if (invalid_arg) { |
| size_t len = strcspn(*arg, ",)"); |
| *invalid_arg = xstrndup(*arg, len); |
| } |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ |
| const char *placeholder, |
| void *context) |
| { |
| struct format_commit_context *c = context; |
| const struct commit *commit = c->commit; |
| const char *msg = c->message; |
| struct commit_list *p; |
| const char *arg, *eol; |
| size_t res; |
| char **slot; |
| |
| /* these are independent of the commit */ |
| res = strbuf_expand_literal_cb(sb, placeholder, NULL); |
| if (res) |
| return res; |
| |
| switch (placeholder[0]) { |
| case 'C': |
| if (starts_with(placeholder + 1, "(auto)")) { |
| c->auto_color = want_color(c->pretty_ctx->color); |
| if (c->auto_color && sb->len) |
| strbuf_addstr(sb, GIT_COLOR_RESET); |
| return 7; /* consumed 7 bytes, "C(auto)" */ |
| } else { |
| int ret = parse_color(sb, placeholder, c); |
| if (ret) |
| c->auto_color = 0; |
| /* |
| * Otherwise, we decided to treat %C<unknown> |
| * as a literal string, and the previous |
| * %C(auto) is still valid. |
| */ |
| return ret; |
| } |
| case 'w': |
| if (placeholder[1] == '(') { |
| unsigned long width = 0, indent1 = 0, indent2 = 0; |
| char *next; |
| const char *start = placeholder + 2; |
| const char *end = strchr(start, ')'); |
| if (!end) |
| return 0; |
| if (end > start) { |
| width = strtoul(start, &next, 10); |
| if (*next == ',') { |
| indent1 = strtoul(next + 1, &next, 10); |
| if (*next == ',') { |
| indent2 = strtoul(next + 1, |
| &next, 10); |
| } |
| } |
| if (*next != ')') |
| return 0; |
| } |
| rewrap_message_tail(sb, c, width, indent1, indent2); |
| return end - placeholder + 1; |
| } else |
| return 0; |
| |
| case '<': |
| case '>': |
| return parse_padding_placeholder(placeholder, c); |
| } |
| |
| /* these depend on the commit */ |
| if (!commit->object.parsed) |
| parse_object(the_repository, &commit->object.oid); |
| |
| switch (placeholder[0]) { |
| case 'H': /* commit hash */ |
| strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
| strbuf_addstr(sb, oid_to_hex(&commit->object.oid)); |
| strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
| return 1; |
| case 'h': /* abbreviated commit hash */ |
| strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); |
| strbuf_add_unique_abbrev(sb, &commit->object.oid, |
| c->pretty_ctx->abbrev); |
| strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); |
| return 1; |
| case 'T': /* tree hash */ |
| strbuf_addstr(sb, oid_to_hex(get_commit_tree_oid(commit))); |
| return 1; |
| case 't': /* abbreviated tree hash */ |
| strbuf_add_unique_abbrev(sb, |
| get_commit_tree_oid(commit), |
| c->pretty_ctx->abbrev); |
| return 1; |
| case 'P': /* parent hashes */ |
| for (p = commit->parents; p; p = p->next) { |
| if (p != commit->parents) |
| strbuf_addch(sb, ' '); |
| strbuf_addstr(sb, oid_to_hex(&p->item->object.oid)); |
| } |
| return 1; |
| case 'p': /* abbreviated parent hashes */ |
| for (p = commit->parents; p; p = p->next) { |
| if (p != commit->parents) |
| strbuf_addch(sb, ' '); |
| strbuf_add_unique_abbrev(sb, &p->item->object.oid, |
| c->pretty_ctx->abbrev); |
| } |
| return 1; |
| case 'm': /* left/right/bottom */ |
| strbuf_addstr(sb, get_revision_mark(NULL, commit)); |
| return 1; |
| case 'd': |
| format_decorations(sb, commit, c->auto_color); |
| return 1; |
| case 'D': |
| format_decorations_extended(sb, commit, c->auto_color, "", ", ", ""); |
| return 1; |
| case 'S': /* tag/branch like --source */ |
| if (!(c->pretty_ctx->rev && c->pretty_ctx->rev->sources)) |
| return 0; |
| slot = revision_sources_at(c->pretty_ctx->rev->sources, commit); |
| if (!(slot && *slot)) |
| return 0; |
| strbuf_addstr(sb, *slot); |
| return 1; |
| case 'g': /* reflog info */ |
| switch(placeholder[1]) { |
| case 'd': /* reflog selector */ |
| case 'D': |
| if (c->pretty_ctx->reflog_info) |
| get_reflog_selector(sb, |
| c->pretty_ctx->reflog_info, |
| &c->pretty_ctx->date_mode, |
| c->pretty_ctx->date_mode_explicit, |
| (placeholder[1] == 'd')); |
| return 2; |
| case 's': /* reflog message */ |
| if (c->pretty_ctx->reflog_info) |
| get_reflog_message(sb, c->pretty_ctx->reflog_info); |
| return 2; |
| case 'n': |
| case 'N': |
| case 'e': |
| case 'E': |
| return format_reflog_person(sb, |
| placeholder[1], |
| c->pretty_ctx->reflog_info, |
| &c->pretty_ctx->date_mode); |
| } |
| return 0; /* unknown %g placeholder */ |
| case 'N': |
| if (c->pretty_ctx->notes_message) { |
| strbuf_addstr(sb, c->pretty_ctx->notes_message); |
| return 1; |
| } |
| return 0; |
| } |
| |
| if (placeholder[0] == 'G') { |
| if (!c->signature_check.result) |
| check_commit_signature(c->commit, &(c->signature_check)); |
| switch (placeholder[1]) { |
| case 'G': |
| if (c->signature_check.gpg_output) |
| strbuf_addstr(sb, c->signature_check.gpg_output); |
| break; |
| case '?': |
| switch (c->signature_check.result) { |
| case 'G': |
| switch (c->signature_check.trust_level) { |
| case TRUST_UNDEFINED: |
| case TRUST_NEVER: |
| strbuf_addch(sb, 'U'); |
| break; |
| default: |
| strbuf_addch(sb, 'G'); |
| break; |
| } |
| break; |
| case 'B': |
| case 'E': |
| case 'N': |
| case 'X': |
| case 'Y': |
| case 'R': |
| strbuf_addch(sb, c->signature_check.result); |
| } |
| break; |
| case 'S': |
| if (c->signature_check.signer) |
| strbuf_addstr(sb, c->signature_check.signer); |
| break; |
| case 'K': |
| if (c->signature_check.key) |
| strbuf_addstr(sb, c->signature_check.key); |
| break; |
| case 'F': |
| if (c->signature_check.fingerprint) |
| strbuf_addstr(sb, c->signature_check.fingerprint); |
| break; |
| case 'P': |
| if (c->signature_check.primary_key_fingerprint) |
| strbuf_addstr(sb, c->signature_check.primary_key_fingerprint); |
| break; |
| case 'T': |
| switch (c->signature_check.trust_level) { |
| case TRUST_UNDEFINED: |
| strbuf_addstr(sb, "undefined"); |
| break; |
| case TRUST_NEVER: |
| strbuf_addstr(sb, "never"); |
| break; |
| case TRUST_MARGINAL: |
| strbuf_addstr(sb, "marginal"); |
| break; |
| case TRUST_FULLY: |
| strbuf_addstr(sb, "fully"); |
| break; |
| case TRUST_ULTIMATE: |
| strbuf_addstr(sb, "ultimate"); |
| break; |
| } |
| break; |
| default: |
| return 0; |
| } |
| return 2; |
| } |
| |
| /* For the rest we have to parse the commit header. */ |
| if (!c->commit_header_parsed) { |
| msg = c->message = |
| repo_logmsg_reencode(c->repository, commit, |
| &c->commit_encoding, "UTF-8"); |
| parse_commit_header(c); |
| } |
| |
| switch (placeholder[0]) { |
| case 'a': /* author ... */ |
| return format_person_part(sb, placeholder[1], |
| msg + c->author.off, c->author.len, |
| &c->pretty_ctx->date_mode); |
| case 'c': /* committer ... */ |
| return format_person_part(sb, placeholder[1], |
| msg + c->committer.off, c->committer.len, |
| &c->pretty_ctx->date_mode); |
| case 'e': /* encoding */ |
| if (c->commit_encoding) |
| strbuf_addstr(sb, c->commit_encoding); |
| return 1; |
| case 'B': /* raw body */ |
| /* message_off is always left at the initial newline */ |
| strbuf_addstr(sb, msg + c->message_off + 1); |
| return 1; |
| } |
| |
| /* Now we need to parse the commit message. */ |
| if (!c->commit_message_parsed) |
| parse_commit_message(c); |
| |
| switch (placeholder[0]) { |
| case 's': /* subject */ |
| format_subject(sb, msg + c->subject_off, " "); |
| return 1; |
| case 'f': /* sanitized subject */ |
| eol = strchrnul(msg + c->subject_off, '\n'); |
| format_sanitized_subject(sb, msg + c->subject_off, eol - (msg + c->subject_off)); |
| return 1; |
| case 'b': /* body */ |
| strbuf_addstr(sb, msg + c->body_off); |
| return 1; |
| } |
| |
| if (skip_prefix(placeholder, "(trailers", &arg)) { |
| struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
| struct string_list filter_list = STRING_LIST_INIT_NODUP; |
| struct strbuf sepbuf = STRBUF_INIT; |
| struct strbuf kvsepbuf = STRBUF_INIT; |
| size_t ret = 0; |
| |
| opts.no_divider = 1; |
| |
| if (*arg == ':') { |
| arg++; |
| if (format_set_trailers_options(&opts, &filter_list, &sepbuf, &kvsepbuf, &arg, NULL)) |
| goto trailer_out; |
| } |
| if (*arg == ')') { |
| format_trailers_from_commit(sb, msg + c->subject_off, &opts); |
| ret = arg - placeholder + 1; |
| } |
| trailer_out: |
| string_list_clear(&filter_list, 0); |
| strbuf_release(&sepbuf); |
| return ret; |
| } |
| |
| return 0; /* unknown placeholder */ |
| } |
| |
| static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */ |
| const char *placeholder, |
| struct format_commit_context *c) |
| { |
| struct strbuf local_sb = STRBUF_INIT; |
| int total_consumed = 0, len, padding = c->padding; |
| if (padding < 0) { |
| const char *start = strrchr(sb->buf, '\n'); |
| int occupied; |
| if (!start) |
| start = sb->buf; |
| occupied = utf8_strnwidth(start, -1, 1); |
| occupied += c->pretty_ctx->graph_width; |
| padding = (-padding) - occupied; |
| } |
| while (1) { |
| int modifier = *placeholder == 'C'; |
| int consumed = format_commit_one(&local_sb, placeholder, c); |
| total_consumed += consumed; |
| |
| if (!modifier) |
| break; |
| |
| placeholder += consumed; |
| if (*placeholder != '%') |
| break; |
| placeholder++; |
| total_consumed++; |
| } |
| len = utf8_strnwidth(local_sb.buf, -1, 1); |
| |
| if (c->flush_type == flush_left_and_steal) { |
| const char *ch = sb->buf + sb->len - 1; |
| while (len > padding && ch > sb->buf) { |
| const char *p; |
| if (*ch == ' ') { |
| ch--; |
| padding++; |
| continue; |
| } |
| /* check for trailing ansi sequences */ |
| if (*ch != 'm') |
| break; |
| p = ch - 1; |
| while (ch - p < 10 && *p != '\033') |
| p--; |
| if (*p != '\033' || |
| ch + 1 - p != display_mode_esc_sequence_len(p)) |
| break; |
| /* |
| * got a good ansi sequence, put it back to |
| * local_sb as we're cutting sb |
| */ |
| strbuf_insert(&local_sb, 0, p, ch + 1 - p); |
| ch = p - 1; |
| } |
| strbuf_setlen(sb, ch + 1 - sb->buf); |
| c->flush_type = flush_left; |
| } |
| |
| if (len > padding) { |
| switch (c->truncate) { |
| case trunc_left: |
| strbuf_utf8_replace(&local_sb, |
| 0, len - (padding - 2), |
| ".."); |
| break; |
| case trunc_middle: |
| strbuf_utf8_replace(&local_sb, |
| padding / 2 - 1, |
| len - (padding - 2), |
| ".."); |
| break; |
| case trunc_right: |
| strbuf_utf8_replace(&local_sb, |
| padding - 2, len - (padding - 2), |
| ".."); |
| break; |
| case trunc_none: |
| break; |
| } |
| strbuf_addbuf(sb, &local_sb); |
| } else { |
| int sb_len = sb->len, offset = 0; |
| if (c->flush_type == flush_left) |
| offset = padding - len; |
| else if (c->flush_type == flush_both) |
| offset = (padding - len) / 2; |
| /* |
| * we calculate padding in columns, now |
| * convert it back to chars |
| */ |
| padding = padding - len + local_sb.len; |
| strbuf_addchars(sb, ' ', padding); |
| memcpy(sb->buf + sb_len + offset, local_sb.buf, |
| local_sb.len); |
| } |
| strbuf_release(&local_sb); |
| c->flush_type = no_flush; |
| return total_consumed; |
| } |
| |
| static size_t format_commit_item(struct strbuf *sb, /* in UTF-8 */ |
| const char *placeholder, |
| void *context) |
| { |
| int consumed; |
| size_t orig_len; |
| enum { |
| NO_MAGIC, |
| ADD_LF_BEFORE_NON_EMPTY, |
| DEL_LF_BEFORE_EMPTY, |
| ADD_SP_BEFORE_NON_EMPTY |
| } magic = NO_MAGIC; |
| |
| switch (placeholder[0]) { |
| case '-': |
| magic = DEL_LF_BEFORE_EMPTY; |
| break; |
| case '+': |
| magic = ADD_LF_BEFORE_NON_EMPTY; |
| break; |
| case ' ': |
| magic = ADD_SP_BEFORE_NON_EMPTY; |
| break; |
| default: |
| break; |
| } |
| if (magic != NO_MAGIC) |
| placeholder++; |
| |
| orig_len = sb->len; |
| if (((struct format_commit_context *)context)->flush_type != no_flush) |
| consumed = format_and_pad_commit(sb, placeholder, context); |
| else |
| consumed = format_commit_one(sb, placeholder, context); |
| if (magic == NO_MAGIC) |
| return consumed; |
| |
| if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) { |
| while (sb->len && sb->buf[sb->len - 1] == '\n') |
| strbuf_setlen(sb, sb->len - 1); |
| } else if (orig_len != sb->len) { |
| if (magic == ADD_LF_BEFORE_NON_EMPTY) |
| strbuf_insertstr(sb, orig_len, "\n"); |
| else if (magic == ADD_SP_BEFORE_NON_EMPTY) |
| strbuf_insertstr(sb, orig_len, " "); |
| } |
| return consumed + 1; |
| } |
| |
| static size_t userformat_want_item(struct strbuf *sb, const char *placeholder, |
| void *context) |
| { |
| struct userformat_want *w = context; |
| |
| if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ') |
| placeholder++; |
| |
| switch (*placeholder) { |
| case 'N': |
| w->notes = 1; |
| break; |
| case 'S': |
| w->source = 1; |
| break; |
| } |
| return 0; |
| } |
| |
| void userformat_find_requirements(const char *fmt, struct userformat_want *w) |
| { |
| struct strbuf dummy = STRBUF_INIT; |
| |
| if (!fmt) { |
| if (!user_format) |
| return; |
| fmt = user_format; |
| } |
| strbuf_expand(&dummy, fmt, userformat_want_item, w); |
| strbuf_release(&dummy); |
| } |
| |
| void repo_format_commit_message(struct repository *r, |
| const struct commit *commit, |
| const char *format, struct strbuf *sb, |
| const struct pretty_print_context *pretty_ctx) |
| { |
| struct format_commit_context context = { |
| .repository = r, |
| .commit = commit, |
| .pretty_ctx = pretty_ctx, |
| .wrap_start = sb->len |
| }; |
| const char *output_enc = pretty_ctx->output_encoding; |
| const char *utf8 = "UTF-8"; |
| |
| strbuf_expand(sb, format, format_commit_item, &context); |
| rewrap_message_tail(sb, &context, 0, 0, 0); |
| |
| /* |
| * Convert output to an actual output encoding; note that |
| * format_commit_item() will always use UTF-8, so we don't |
| * have to bother if that's what the output wants. |
| */ |
| if (output_enc) { |
| if (same_encoding(utf8, output_enc)) |
| output_enc = NULL; |
| } else { |
| if (context.commit_encoding && |
| !same_encoding(context.commit_encoding, utf8)) |
| output_enc = context.commit_encoding; |
| } |
| |
| if (output_enc) { |
| size_t outsz; |
| char *out = reencode_string_len(sb->buf, sb->len, |
| output_enc, utf8, &outsz); |
| if (out) |
| strbuf_attach(sb, out, outsz, outsz + 1); |
| } |
| |
| free(context.commit_encoding); |
| repo_unuse_commit_buffer(r, commit, context.message); |
| } |
| |
| static void pp_header(struct pretty_print_context *pp, |
| const char *encoding, |
| const struct commit *commit, |
| const char **msg_p, |
| struct strbuf *sb) |
| { |
| int parents_shown = 0; |
| |
| for (;;) { |
| const char *name, *line = *msg_p; |
| int linelen = get_one_line(*msg_p); |
| |
| if (!linelen) |
| return; |
| *msg_p += linelen; |
| |
| if (linelen == 1) |
| /* End of header */ |
| return; |
| |
| if (pp->fmt == CMIT_FMT_RAW) { |
| strbuf_add(sb, line, linelen); |
| continue; |
| } |
| |
| if (starts_with(line, "parent ")) { |
| if (linelen != the_hash_algo->hexsz + 8) |
| die("bad parent line in commit"); |
| continue; |
| } |
| |
| if (!parents_shown) { |
| unsigned num = commit_list_count(commit->parents); |
| /* with enough slop */ |
| strbuf_grow(sb, num * (GIT_MAX_HEXSZ + 10) + 20); |
| add_merge_info(pp, sb, commit); |
| parents_shown = 1; |
| } |
| |
| /* |
| * MEDIUM == DEFAULT shows only author with dates. |
| * FULL shows both authors but not dates. |
| * FULLER shows both authors and dates. |
| */ |
| if (skip_prefix(line, "author ", &name)) { |
| strbuf_grow(sb, linelen + 80); |
| pp_user_info(pp, "Author", sb, name, encoding); |
| } |
| if (skip_prefix(line, "committer ", &name) && |
| (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { |
| strbuf_grow(sb, linelen + 80); |
| pp_user_info(pp, "Commit", sb, name, encoding); |
| } |
| } |
| } |
| |
| void pp_title_line(struct pretty_print_context *pp, |
| const char **msg_p, |
| struct strbuf *sb, |
| const char *encoding, |
| int need_8bit_cte) |
| { |
| static const int max_length = 78; /* per rfc2047 */ |
| struct strbuf title; |
| |
| strbuf_init(&title, 80); |
| *msg_p = format_subject(&title, *msg_p, |
| pp->preserve_subject ? "\n" : " "); |
| |
| strbuf_grow(sb, title.len + 1024); |
| if (pp->print_email_subject) { |
| if (pp->rev) |
| fmt_output_email_subject(sb, pp->rev); |
| if (pp->encode_email_headers && |
| needs_rfc2047_encoding(title.buf, title.len)) |
| add_rfc2047(sb, title.buf, title.len, |
| encoding, RFC2047_SUBJECT); |
| else |
| strbuf_add_wrapped_bytes(sb, title.buf, title.len, |
| -last_line_length(sb), 1, max_length); |
| } else { |
| strbuf_addbuf(sb, &title); |
| } |
| strbuf_addch(sb, '\n'); |
| |
| if (need_8bit_cte == 0) { |
| int i; |
| for (i = 0; i < pp->in_body_headers.nr; i++) { |
| if (has_non_ascii(pp->in_body_headers.items[i].string)) { |
| need_8bit_cte = 1; |
| break; |
| } |
| } |
| } |
| |
| if (need_8bit_cte > 0) { |
| const char *header_fmt = |
| "MIME-Version: 1.0\n" |
| "Content-Type: text/plain; charset=%s\n" |
| "Content-Transfer-Encoding: 8bit\n"; |
| strbuf_addf(sb, header_fmt, encoding); |
| } |
| if (pp->after_subject) { |
| strbuf_addstr(sb, pp->after_subject); |
| } |
| if (cmit_fmt_is_mail(pp->fmt)) { |
| strbuf_addch(sb, '\n'); |
| } |
| |
| if (pp->in_body_headers.nr) { |
| int i; |
| for (i = 0; i < pp->in_body_headers.nr; i++) { |
| strbuf_addstr(sb, pp->in_body_headers.items[i].string); |
| free(pp->in_body_headers.items[i].string); |
| } |
| string_list_clear(&pp->in_body_headers, 0); |
| strbuf_addch(sb, '\n'); |
| } |
| |
| strbuf_release(&title); |
| } |
| |
| static int pp_utf8_width(const char *start, const char *end) |
| { |
| int width = 0; |
| size_t remain = end - start; |
| |
| while (remain) { |
| int n = utf8_width(&start, &remain); |
| if (n < 0 || !start) |
| return -1; |
| width += n; |
| } |
| return width; |
| } |
| |
| static void strbuf_add_tabexpand(struct strbuf *sb, int tabwidth, |
| const char *line, int linelen) |
| { |
| const char *tab; |
| |
| while ((tab = memchr(line, '\t', linelen)) != NULL) { |
| int width = pp_utf8_width(line, tab); |
| |
| /* |
| * If it wasn't well-formed utf8, or it |
| * had characters with badly defined |
| * width (control characters etc), just |
| * give up on trying to align things. |
| */ |
| if (width < 0) |
| break; |
| |
| /* Output the data .. */ |
| strbuf_add(sb, line, tab - line); |
| |
| /* .. and the de-tabified tab */ |
| strbuf_addchars(sb, ' ', tabwidth - (width % tabwidth)); |
| |
| /* Skip over the printed part .. */ |
| linelen -= tab + 1 - line; |
| line = tab + 1; |
| } |
| |
| /* |
| * Print out everything after the last tab without |
| * worrying about width - there's nothing more to |
| * align. |
| */ |
| strbuf_add(sb, line, linelen); |
| } |
| |
| /* |
| * pp_handle_indent() prints out the intendation, and |
| * the whole line (without the final newline), after |
| * de-tabifying. |
| */ |
| static void pp_handle_indent(struct pretty_print_context *pp, |
| struct strbuf *sb, int indent, |
| const char *line, int linelen) |
| { |
| strbuf_addchars(sb, ' ', indent); |
| if (pp->expand_tabs_in_log) |
| strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, line, linelen); |
| else |
| strbuf_add(sb, line, linelen); |
| } |
| |
| static int is_mboxrd_from(const char *line, int len) |
| { |
| /* |
| * a line matching /^From $/ here would only have len == 4 |
| * at this point because is_empty_line would've trimmed all |
| * trailing space |
| */ |
| return len > 4 && starts_with(line + strspn(line, ">"), "From "); |
| } |
| |
| void pp_remainder(struct pretty_print_context *pp, |
| const char **msg_p, |
| struct strbuf *sb, |
| int indent) |
| { |
| int first = 1; |
| for (;;) { |
| const char *line = *msg_p; |
| int linelen = get_one_line(line); |
| *msg_p += linelen; |
| |
| if (!linelen) |
| break; |
| |
| if (is_blank_line(line, &linelen)) { |
| if (first) |
| continue; |
| if (pp->fmt == CMIT_FMT_SHORT) |
| break; |
| } |
| first = 0; |
| |
| strbuf_grow(sb, linelen + indent + 20); |
| if (indent) |
| pp_handle_indent(pp, sb, indent, line, linelen); |
| else if (pp->expand_tabs_in_log) |
| strbuf_add_tabexpand(sb, pp->expand_tabs_in_log, |
| line, linelen); |
| else { |
| if (pp->fmt == CMIT_FMT_MBOXRD && |
| is_mboxrd_from(line, linelen)) |
| strbuf_addch(sb, '>'); |
| |
| strbuf_add(sb, line, linelen); |
| } |
| strbuf_addch(sb, '\n'); |
| } |
| } |
| |
| void pretty_print_commit(struct pretty_print_context *pp, |
| const struct commit *commit, |
| struct strbuf *sb) |
| { |
| unsigned long beginning_of_body; |
| int indent = 4; |
| const char *msg; |
| const char *reencoded; |
| const char *encoding; |
| int need_8bit_cte = pp->need_8bit_cte; |
| |
| if (pp->fmt == CMIT_FMT_USERFORMAT) { |
| format_commit_message(commit, user_format, sb, pp); |
| return; |
| } |
| |
| encoding = get_log_output_encoding(); |
| msg = reencoded = logmsg_reencode(commit, NULL, encoding); |
| |
| if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
| indent = 0; |
| |
| /* |
| * We need to check and emit Content-type: to mark it |
| * as 8-bit if we haven't done so. |
| */ |
| if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) { |
| int i, ch, in_body; |
| |
| for (in_body = i = 0; (ch = msg[i]); i++) { |
| if (!in_body) { |
| /* author could be non 7-bit ASCII but |
| * the log may be so; skip over the |
| * header part first. |
| */ |
| if (ch == '\n' && msg[i+1] == '\n') |
| in_body = 1; |
| } |
| else if (non_ascii(ch)) { |
| need_8bit_cte = 1; |
| break; |
| } |
| } |
| } |
| |
| pp_header(pp, encoding, commit, &msg, sb); |
| if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) { |
| strbuf_addch(sb, '\n'); |
| } |
| |
| /* Skip excess blank lines at the beginning of body, if any... */ |
| msg = skip_blank_lines(msg); |
| |
| /* These formats treat the title line specially. */ |
| if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) |
| pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); |
| |
| beginning_of_body = sb->len; |
| if (pp->fmt != CMIT_FMT_ONELINE) |
| pp_remainder(pp, &msg, sb, indent); |
| strbuf_rtrim(sb); |
| |
| /* Make sure there is an EOLN for the non-oneline case */ |
| if (pp->fmt != CMIT_FMT_ONELINE) |
| strbuf_addch(sb, '\n'); |
| |
| /* |
| * The caller may append additional body text in e-mail |
| * format. Make sure we did not strip the blank line |
| * between the header and the body. |
| */ |
| if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body) |
| strbuf_addch(sb, '\n'); |
| |
| unuse_commit_buffer(commit, reencoded); |
| } |
| |
| void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, |
| struct strbuf *sb) |
| { |
| struct pretty_print_context pp = {0}; |
| pp.fmt = fmt; |
| pretty_print_commit(&pp, commit, sb); |
| } |