diff options
Diffstat (limited to 'pretty.c')
| -rw-r--r-- | pretty.c | 857 |
1 files changed, 575 insertions, 282 deletions
@@ -231,7 +231,7 @@ static int is_rfc822_special(char ch) } } -static int has_rfc822_specials(const char *s, int len) +static int needs_rfc822_quoting(const char *s, int len) { int i; for (i = 0; i < len; i++) @@ -240,6 +240,17 @@ static int has_rfc822_specials(const char *s, int len) 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; @@ -261,124 +272,204 @@ static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) strbuf_addch(out, '"'); } -static int is_rfc2047_special(char ch) +enum rfc2047_type { + RFC2047_SUBJECT, + RFC2047_ADDRESS, +}; + +static int is_rfc2047_special(char ch, enum rfc2047_type type) { - return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_')); + /* + * 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 void add_rfc2047(struct strbuf *sb, const char *line, int len, - const char *encoding) +static int needs_rfc2047_encoding(const char *line, int len, + enum rfc2047_type type) { - static const int max_length = 78; /* per rfc2822 */ int i; - int line_len; - - /* How many bytes are already used on the current line? */ - for (i = sb->len - 1; i >= 0; i--) - if (sb->buf[i] == '\n') - break; - line_len = sb->len - (i+1); for (i = 0; i < len; i++) { int ch = line[i]; if (non_ascii(ch) || ch == '\n') - goto needquote; + return 1; if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) - goto needquote; + return 1; } - strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len); - return; -needquote: + 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? */ - for (i = 0; i < len; i++) { - unsigned ch = line[i] & 0xFF; - if (line_len >= max_length - 2) { - strbuf_addf(sb, "?=\n =?%s?q?", encoding); - line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ - } + 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; /* - * We encode ' ' using '=20' even though rfc2047 - * allows using '_' for readability. Unfortunately, - * many programs do not understand this and just - * leave the underscore in place. + * 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 (is_rfc2047_special(ch) || ch == ' ' || ch == '\n') { - strbuf_addf(sb, "=%02X", ch); - line_len += 3; - } - else { - strbuf_addch(sb, ch); - line_len++; + + 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, "?="); } +static const char *show_ident_date(const struct ident_split *ident, + enum date_mode mode) +{ + unsigned long date = 0; + int tz = 0; + + if (ident->date_begin && ident->date_end) + date = strtoul(ident->date_begin, NULL, 10); + if (ident->tz_begin && ident->tz_end) + tz = strtol(ident->tz_begin, NULL, 10); + return show_date(date, tz, mode); +} + void pp_user_info(const struct pretty_print_context *pp, const char *what, struct strbuf *sb, const char *line, const char *encoding) { - char *date; - int namelen; - unsigned long time; - int tz; + 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; - date = strchr(line, '>'); - if (!date) + + line_end = strchrnul(line, '\n'); + if (split_ident_line(&ident, line, line_end - line)) return; - namelen = ++date - line; - time = strtoul(date, &date, 10); - tz = strtol(date, NULL, 10); + + 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 (pp->fmt == CMIT_FMT_EMAIL) { - char *name_tail = strchr(line, '<'); - int display_name_length; - int final_line; - if (!name_tail) - return; - while (line < name_tail && isspace(name_tail[-1])) - name_tail--; - display_name_length = name_tail - line; strbuf_addstr(sb, "From: "); - if (!has_rfc822_specials(line, display_name_length)) { - add_rfc2047(sb, line, display_name_length, encoding); - } else { + if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { + 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, line, display_name_length); - add_rfc2047(sb, quoted.buf, quoted.len, encoding); + 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); } - for (final_line = 0; final_line < sb->len; final_line++) - if (sb->buf[sb->len - final_line - 1] == '\n') - break; - if (namelen - display_name_length + final_line > 78) { + + if (max_length < + last_line_length(sb) + strlen(" <") + maillen + strlen(">")) strbuf_addch(sb, '\n'); - if (!isspace(name_tail[0])) - strbuf_addch(sb, ' '); - } - strbuf_add(sb, name_tail, namelen - display_name_length); - strbuf_addch(sb, '\n'); + strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); } else { - strbuf_addf(sb, "%s: %.*s%.*s\n", what, - (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, - " ", namelen, line); + 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_date(time, tz, pp->date_mode)); + strbuf_addf(sb, "Date: %s\n", + show_ident_date(&ident, pp->date_mode)); break; case CMIT_FMT_EMAIL: - strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822)); + strbuf_addf(sb, "Date: %s\n", + show_ident_date(&ident, DATE_RFC2822)); break; case CMIT_FMT_FULLER: - strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode)); + strbuf_addf(sb, "%sDate: %s\n", what, + show_ident_date(&ident, pp->date_mode)); break; default: /* notin' */ @@ -434,10 +525,11 @@ static void add_merge_info(const struct pretty_print_context *pp, strbuf_addch(sb, '\n'); } -static char *get_header(const struct commit *commit, const char *key) +static char *get_header(const struct commit *commit, const char *msg, + const char *key) { int key_len = strlen(key); - const char *line = commit->buffer; + const char *line = msg; while (line) { const char *eol = strchr(line, '\n'), *next; @@ -493,33 +585,94 @@ static char *replace_encoding_header(char *buf, const char *encoding) } char *logmsg_reencode(const struct commit *commit, + char **commit_encoding, const char *output_encoding) { static const char *utf8 = "UTF-8"; const char *use_encoding; char *encoding; + char *msg = commit->buffer; char *out; - if (!*output_encoding) - return NULL; - encoding = get_header(commit, "encoding"); + if (!msg) { + enum object_type type; + unsigned long size; + + msg = read_sha1_file(commit->object.sha1, &type, &size); + if (!msg) + die("Cannot read commit object %s", + sha1_to_hex(commit->object.sha1)); + if (type != OBJ_COMMIT) + die("Expected commit for '%s', got %s", + sha1_to_hex(commit->object.sha1), typename(type)); + } + + if (!output_encoding || !*output_encoding) { + if (commit_encoding) + *commit_encoding = + get_header(commit, msg, "encoding"); + return msg; + } + encoding = get_header(commit, msg, "encoding"); + if (commit_encoding) + *commit_encoding = encoding; use_encoding = encoding ? encoding : utf8; - if (!strcmp(use_encoding, output_encoding)) - if (encoding) /* we'll strip encoding header later */ - out = xstrdup(commit->buffer); - else - return NULL; /* nothing to do */ - else - out = reencode_string(commit->buffer, - output_encoding, use_encoding); + 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 commit->buffer, we need to duplicate it + * to avoid munging commit->buffer. + */ + out = msg; + if (out == commit->buffer) + out = xstrdup(out); + } + 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 && msg != commit->buffer) + free(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); - free(encoding); - return out; + 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; +} + +void logmsg_free(char *msg, const struct commit *commit) +{ + if (msg != commit->buffer) + free(msg); } -static int mailmap_name(char *email, int email_len, char *name, int name_len) +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) { @@ -534,68 +687,49 @@ static size_t format_person_part(struct strbuf *sb, char part, { /* currently all placeholders have same length */ const int placeholder_len = 2; - int tz; - unsigned long date = 0; - char person_name[1024]; - char person_mail[1024]; struct ident_split s; - const char *name_start, *name_end, *mail_start, *mail_end; + const char *name, *mail; + size_t maillen, namelen; if (split_ident_line(&s, msg, len) < 0) goto skip; - name_start = s.name_begin; - name_end = s.name_end; - mail_start = s.mail_begin; - mail_end = s.mail_end; - - if (part == 'N' || part == 'E') { /* mailmap lookup */ - snprintf(person_name, sizeof(person_name), "%.*s", - (int)(name_end - name_start), name_start); - snprintf(person_mail, sizeof(person_mail), "%.*s", - (int)(mail_end - mail_start), mail_start); - mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name)); - name_start = person_name; - name_end = name_start + strlen(person_name); - mail_start = person_mail; - mail_end = mail_start + strlen(person_mail); - } + 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') /* mailmap lookup */ + mailmap_name(&mail, &maillen, &name, &namelen); if (part == 'n' || part == 'N') { /* name */ - strbuf_add(sb, name_start, name_end-name_start); + strbuf_add(sb, name, namelen); return placeholder_len; } if (part == 'e' || part == 'E') { /* email */ - strbuf_add(sb, mail_start, mail_end-mail_start); + strbuf_add(sb, mail, maillen); return placeholder_len; } if (!s.date_begin) goto skip; - date = strtoul(s.date_begin, NULL, 10); - if (part == 't') { /* date, UNIX timestamp */ strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); return placeholder_len; } - /* parse tz */ - tz = strtoul(s.tz_begin + 1, NULL, 10); - if (*s.tz_begin == '-') - tz = -tz; - switch (part) { case 'd': /* date */ - strbuf_addstr(sb, show_date(date, tz, dmode)); + strbuf_addstr(sb, show_ident_date(&s, dmode)); return placeholder_len; case 'D': /* date, RFC2822 style */ - strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822)); + strbuf_addstr(sb, show_ident_date(&s, DATE_RFC2822)); return placeholder_len; case 'r': /* date, relative */ - strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE)); + strbuf_addstr(sb, show_ident_date(&s, DATE_RELATIVE)); return placeholder_len; case 'i': /* date, ISO 8601 */ - strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601)); + strbuf_addstr(sb, show_ident_date(&s, DATE_ISO8601)); return placeholder_len; } @@ -617,24 +751,38 @@ struct chunk { 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 { const struct commit *commit; const struct pretty_print_context *pretty_ctx; unsigned commit_header_parsed:1; unsigned commit_message_parsed:1; - unsigned commit_signature_parsed:1; - struct { - char *gpg_output; - char good_bad; - char *signer; - } signature; + struct signature_check signature_check; + enum flush_type flush_type; + enum trunc_type truncate; 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; - struct chunk encoding; size_t message_off; size_t subject_off; size_t body_off; @@ -681,9 +829,6 @@ static void parse_commit_header(struct format_commit_context *context) } else if (!prefixcmp(msg + i, "committer ")) { context->committer.off = i + 10; context->committer.len = eol - i - 10; - } else if (!prefixcmp(msg + i, "encoding ")) { - context->encoding.off = i + 9; - context->encoding.len = eol - i - 9; } i = eol; } @@ -764,23 +909,6 @@ static void parse_commit_message(struct format_commit_context *c) c->commit_message_parsed = 1; } -static void format_decoration(struct strbuf *sb, const struct commit *commit) -{ - struct name_decoration *d; - const char *prefix = " ("; - - load_ref_decorations(DECORATE_SHORT_REFS); - d = lookup_decoration(&name_decoration, &commit->object); - while (d) { - strbuf_addstr(sb, prefix); - prefix = ", "; - strbuf_addstr(sb, d->name); - d = d->next; - } - if (prefix[0] == ',') - strbuf_addch(sb, ')'); -} - static void strbuf_wrap(struct strbuf *sb, size_t pos, size_t width, size_t indent1, size_t indent2) { @@ -810,59 +938,6 @@ static void rewrap_message_tail(struct strbuf *sb, c->indent2 = new_indent2; } -static struct { - char result; - const char *check; -} signature_check[] = { - { 'G', ": Good signature from " }, - { 'B', ": BAD signature from " }, -}; - -static void parse_signature_lines(struct format_commit_context *ctx) -{ - const char *buf = ctx->signature.gpg_output; - int i; - - for (i = 0; i < ARRAY_SIZE(signature_check); i++) { - const char *found = strstr(buf, signature_check[i].check); - const char *next; - if (!found) - continue; - ctx->signature.good_bad = signature_check[i].result; - found += strlen(signature_check[i].check); - next = strchrnul(found, '\n'); - ctx->signature.signer = xmemdupz(found, next - found); - break; - } -} - -static void parse_commit_signature(struct format_commit_context *ctx) -{ - struct strbuf payload = STRBUF_INIT; - struct strbuf signature = STRBUF_INIT; - struct strbuf gpg_output = STRBUF_INIT; - int status; - - ctx->commit_signature_parsed = 1; - - if (parse_signed_commit(ctx->commit->object.sha1, - &payload, &signature) <= 0) - goto out; - status = verify_signed_buffer(payload.buf, payload.len, - signature.buf, signature.len, - &gpg_output); - if (status && !gpg_output.len) - goto out; - ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL); - parse_signature_lines(ctx); - - out: - strbuf_release(&gpg_output); - strbuf_release(&payload); - strbuf_release(&signature); -} - - static int format_reflog_person(struct strbuf *sb, char part, struct reflog_walk_info *log, @@ -880,7 +955,112 @@ static int format_reflog_person(struct strbuf *sb, return format_person_part(sb, part, ident, strlen(ident), dmode); } -static size_t format_commit_one(struct strbuf *sb, const char *placeholder, +static size_t parse_color(struct strbuf *sb, /* in UTF-8 */ + const char *placeholder, + struct format_commit_context *c) +{ + if (placeholder[1] == '(') { + const char *begin = placeholder + 2; + const char *end = strchr(begin, ')'); + char color[COLOR_MAXLEN]; + + if (!end) + return 0; + if (!prefixcmp(begin, "auto,")) { + if (!want_color(c->pretty_ctx->color)) + return end - placeholder + 1; + begin += 5; + } + color_parse_mem(begin, + end - begin, + "--pretty format", color); + strbuf_addstr(sb, color); + return end - placeholder + 1; + } + if (!prefixcmp(placeholder + 1, "red")) { + strbuf_addstr(sb, GIT_COLOR_RED); + return 4; + } else if (!prefixcmp(placeholder + 1, "green")) { + strbuf_addstr(sb, GIT_COLOR_GREEN); + return 6; + } else if (!prefixcmp(placeholder + 1, "blue")) { + strbuf_addstr(sb, GIT_COLOR_BLUE); + return 5; + } else if (!prefixcmp(placeholder + 1, "reset")) { + strbuf_addstr(sb, GIT_COLOR_RESET); + return 6; + } else + return 0; +} + +static size_t parse_padding_placeholder(struct strbuf *sb, + 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 = strtoul(start, &next, 10); + if (next == start || 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 (!prefixcmp(start, "trunc)")) + c->truncate = trunc_right; + else if (!prefixcmp(start, "ltrunc)")) + c->truncate = trunc_left; + else if (!prefixcmp(start, "mtrunc)")) + c->truncate = trunc_middle; + else + return 0; + } else + c->truncate = trunc_none; + + return end - placeholder + 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; @@ -892,31 +1072,20 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, /* these are independent of the commit */ switch (placeholder[0]) { case 'C': - if (placeholder[1] == '(') { - const char *end = strchr(placeholder + 2, ')'); - char color[COLOR_MAXLEN]; - if (!end) - return 0; - color_parse_mem(placeholder + 2, - end - (placeholder + 2), - "--pretty format", color); - strbuf_addstr(sb, color); - return end - placeholder + 1; + if (!prefixcmp(placeholder + 1, "(auto)")) { + c->auto_color = 1; + 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; } - if (!prefixcmp(placeholder + 1, "red")) { - strbuf_addstr(sb, GIT_COLOR_RED); - return 4; - } else if (!prefixcmp(placeholder + 1, "green")) { - strbuf_addstr(sb, GIT_COLOR_GREEN); - return 6; - } else if (!prefixcmp(placeholder + 1, "blue")) { - strbuf_addstr(sb, GIT_COLOR_BLUE); - return 5; - } else if (!prefixcmp(placeholder + 1, "reset")) { - strbuf_addstr(sb, GIT_COLOR_RESET); - return 6; - } else - return 0; case 'n': /* newline */ strbuf_addch(sb, '\n'); return 1; @@ -954,6 +1123,10 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, return end - placeholder + 1; } else return 0; + + case '<': + case '>': + return parse_padding_placeholder(sb, placeholder, c); } /* these depend on the commit */ @@ -962,13 +1135,19 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, switch (placeholder[0]) { case 'H': /* commit hash */ + strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); strbuf_addstr(sb, sha1_to_hex(commit->object.sha1)); + strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); return 1; case 'h': /* abbreviated commit hash */ - if (add_again(sb, &c->abbrev_commit_hash)) + strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); + if (add_again(sb, &c->abbrev_commit_hash)) { + strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); return 1; + } strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1, c->pretty_ctx->abbrev)); + strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET)); c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off; return 1; case 'T': /* tree hash */ @@ -1005,7 +1184,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, strbuf_addstr(sb, get_revision_mark(NULL, commit)); return 1; case 'd': - format_decoration(sb, commit); + load_ref_decorations(DECORATE_SHORT_REFS); + format_decorations(sb, commit, c->auto_color); return 1; case 'g': /* reflog info */ switch(placeholder[1]) { @@ -1033,32 +1213,37 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, } return 0; /* unknown %g placeholder */ case 'N': - if (c->pretty_ctx->show_notes) { - format_display_notes(commit->object.sha1, sb, - get_log_output_encoding(), 0); + if (c->pretty_ctx->notes_message) { + strbuf_addstr(sb, c->pretty_ctx->notes_message); return 1; } return 0; } if (placeholder[0] == 'G') { - if (!c->commit_signature_parsed) - parse_commit_signature(c); + if (!c->signature_check.result) + check_commit_signature(c->commit, &(c->signature_check)); switch (placeholder[1]) { case 'G': - if (c->signature.gpg_output) - strbuf_addstr(sb, c->signature.gpg_output); + if (c->signature_check.gpg_output) + strbuf_addstr(sb, c->signature_check.gpg_output); break; case '?': - switch (c->signature.good_bad) { + switch (c->signature_check.result) { case 'G': case 'B': - strbuf_addch(sb, c->signature.good_bad); + case 'U': + case 'N': + strbuf_addch(sb, c->signature_check.result); } break; case 'S': - if (c->signature.signer) - strbuf_addstr(sb, c->signature.signer); + 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; } return 2; @@ -1079,7 +1264,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, msg + c->committer.off, c->committer.len, c->pretty_ctx->date_mode); case 'e': /* encoding */ - strbuf_add(sb, msg + c->encoding.off, c->encoding.len); + 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 */ @@ -1105,7 +1291,111 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, return 0; /* unknown placeholder */ } -static size_t format_commit_item(struct strbuf *sb, const char *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); + 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_addstr(sb, local_sb.buf); + } 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_grow(sb, padding); + strbuf_setlen(sb, sb_len + padding); + memset(sb->buf + sb_len, ' ', sb->len - sb_len); + 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; @@ -1134,7 +1424,10 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder, placeholder++; orig_len = sb->len; - consumed = format_commit_one(sb, placeholder, context); + 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; @@ -1184,31 +1477,41 @@ void format_commit_message(const struct commit *commit, const struct pretty_print_context *pretty_ctx) { struct format_commit_context context; - static const char utf8[] = "UTF-8"; const char *output_enc = pretty_ctx->output_encoding; + const char *utf8 = "UTF-8"; memset(&context, 0, sizeof(context)); context.commit = commit; context.pretty_ctx = pretty_ctx; context.wrap_start = sb->len; - context.message = commit->buffer; - if (output_enc) { - char *enc = get_header(commit, "encoding"); - if (strcmp(enc ? enc : utf8, output_enc)) { - context.message = logmsg_reencode(commit, output_enc); - if (!context.message) - context.message = commit->buffer; - } - free(enc); - } + context.message = logmsg_reencode(commit, + &context.commit_encoding, + output_enc); strbuf_expand(sb, format, format_commit_item, &context); rewrap_message_tail(sb, &context, 0, 0, 0); - if (context.message != commit->buffer) - free(context.message); - free(context.signature.gpg_output); - free(context.signature.signer); + 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) { + int 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); + logmsg_free(context.message, commit); + free(context.signature_check.gpg_output); + free(context.signature_check.signer); } static void pp_header(const struct pretty_print_context *pp, @@ -1236,7 +1539,7 @@ static void pp_header(const struct pretty_print_context *pp, continue; } - if (!memcmp(line, "parent ", 7)) { + if (!prefixcmp(line, "parent ")) { if (linelen != 48) die("bad parent line in commit"); continue; @@ -1260,11 +1563,11 @@ static void pp_header(const struct pretty_print_context *pp, * FULL shows both authors but not dates. * FULLER shows both authors and dates. */ - if (!memcmp(line, "author ", 7)) { + if (!prefixcmp(line, "author ")) { strbuf_grow(sb, linelen + 80); pp_user_info(pp, "Author", sb, line + 7, encoding); } - if (!memcmp(line, "committer ", 10) && + if (!prefixcmp(line, "committer ") && (pp->fmt == CMIT_FMT_FULL || pp->fmt == CMIT_FMT_FULLER)) { strbuf_grow(sb, linelen + 80); pp_user_info(pp, "Commit", sb, line + 10, encoding); @@ -1278,6 +1581,7 @@ void pp_title_line(const struct pretty_print_context *pp, const char *encoding, int need_8bit_cte) { + static const int max_length = 78; /* per rfc2047 */ struct strbuf title; strbuf_init(&title, 80); @@ -1287,7 +1591,12 @@ void pp_title_line(const struct pretty_print_context *pp, strbuf_grow(sb, title.len + 1024); if (pp->subject) { strbuf_addstr(sb, pp->subject); - add_rfc2047(sb, title.buf, title.len, encoding); + if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) + 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); } @@ -1341,23 +1650,13 @@ void pp_remainder(const struct pretty_print_context *pp, } } -char *reencode_commit_message(const struct commit *commit, const char **encoding_p) -{ - const char *encoding; - - encoding = get_log_output_encoding(); - if (encoding_p) - *encoding_p = encoding; - return logmsg_reencode(commit, encoding); -} - void pretty_print_commit(const struct pretty_print_context *pp, const struct commit *commit, struct strbuf *sb) { unsigned long beginning_of_body; int indent = 4; - const char *msg = commit->buffer; + const char *msg; char *reencoded; const char *encoding; int need_8bit_cte = pp->need_8bit_cte; @@ -1367,10 +1666,8 @@ void pretty_print_commit(const struct pretty_print_context *pp, return; } - reencoded = reencode_commit_message(commit, &encoding); - if (reencoded) { - msg = reencoded; - } + encoding = get_log_output_encoding(); + msg = reencoded = logmsg_reencode(commit, NULL, encoding); if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL) indent = 0; @@ -1427,11 +1724,7 @@ void pretty_print_commit(const struct pretty_print_context *pp, if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body) strbuf_addch(sb, '\n'); - if (pp->show_notes) - format_display_notes(commit->object.sha1, sb, encoding, - NOTES_SHOW_HEADER | NOTES_INDENT); - - free(reencoded); + logmsg_free(reencoded, commit); } void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, |