Beispiel #1
0
Datei: pretty.c Projekt: avar/git
void format_commit_message(const struct commit *commit,
                           const char *format, struct strbuf *sb,
                           const struct pretty_print_context *pretty_ctx)
{
    struct format_commit_context context;
    static const char utf8[] = "UTF-8";
    const char *enc;
    const char *output_enc = pretty_ctx->output_encoding;

    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) {
        enc = get_header(commit, "encoding");
        enc = enc ? enc : utf8;
        if (strcmp(enc, output_enc))
            context.message = logmsg_reencode(commit, 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);
}
Beispiel #2
0
void format_commit_message(const struct commit *commit,
			   const char *format, struct strbuf *sb,
			   const struct pretty_print_context *pretty_ctx)
{
	struct format_commit_context context;

	memset(&context, 0, sizeof(context));
	context.commit = commit;
	context.pretty_ctx = pretty_ctx;
	context.wrap_start = sb->len;
	strbuf_expand(sb, format, format_commit_item, &context);
	rewrap_message_tail(sb, &context, 0, 0, 0);
}
Beispiel #3
0
void format_commit_message(const struct commit *commit,
			   const char *format, struct strbuf *sb,
			   const struct pretty_print_context *pretty_ctx)
{
	struct format_commit_context context;
	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;
	/*
	 * convert a commit message to UTF-8 first
	 * as far as 'format_commit_item' assumes it in UTF-8
	 */
	context.message = logmsg_reencode(commit,
					  &context.commit_encoding,
					  utf8);

	strbuf_expand(sb, format, format_commit_item, &context);
	rewrap_message_tail(sb, &context, 0, 0, 0);

	/* then convert a commit message to an actual output encoding */
	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);
	unuse_commit_buffer(commit, context.message);
	free(context.signature_check.gpg_output);
	free(context.signature_check.signer);
}
Beispiel #4
0
void format_commit_message(const struct commit *commit,
			   const char *format, struct strbuf *sb,
			   const struct pretty_print_context *pretty_ctx)
{
	struct format_commit_context context;
	const char *output_enc = pretty_ctx->output_encoding;

	memset(&context, 0, sizeof(context));
	context.commit = commit;
	context.pretty_ctx = pretty_ctx;
	context.wrap_start = sb->len;
	context.message = logmsg_reencode(commit, output_enc);
	if (!context.message)
		context.message = commit->buffer;

	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);
}
Beispiel #5
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;
	int h1, h2;

	/* these are independent of the commit */
	switch (placeholder[0]) {
	case 'C':
		if (starts_with(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;
		}
	case 'n':		/* newline */
		strbuf_addch(sb, '\n');
		return 1;
	case 'x':
		/* %x00 == NUL, %x0a == LF, etc. */
		if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
		    h1 <= 16 &&
		    0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
		    h2 <= 16) {
			strbuf_addch(sb, (h1<<4)|h2);
			return 3;
		} else
			return 0;
	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(sb, placeholder, c);
	}

	/* these depend on the commit */
	if (!commit->object.parsed)
		parse_object(commit->object.sha1);

	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 */
		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 */
		strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
		return 1;
	case 't':		/* abbreviated tree hash */
		if (add_again(sb, &c->abbrev_tree_hash))
			return 1;
		strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
						     c->pretty_ctx->abbrev));
		c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
		return 1;
	case 'P':		/* parent hashes */
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
		}
		return 1;
	case 'p':		/* abbreviated parent hashes */
		if (add_again(sb, &c->abbrev_parent_hashes))
			return 1;
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, find_unique_abbrev(
					p->item->object.sha1,
					c->pretty_ctx->abbrev));
		}
		c->abbrev_parent_hashes.len = sb->len -
		                              c->abbrev_parent_hashes.off;
		return 1;
	case 'm':		/* left/right/bottom */
		strbuf_addstr(sb, get_revision_mark(NULL, commit));
		return 1;
	case 'd':
		load_ref_decorations(DECORATE_SHORT_REFS);
		format_decorations(sb, commit, c->auto_color);
		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':
			case 'B':
			case 'U':
			case 'N':
				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;
		default:
			return 0;
		}
		return 2;
	}


	/* For the rest we have to parse the commit header. */
	if (!c->commit_header_parsed)
		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 */
		format_sanitized_subject(sb, msg + c->subject_off);
		return 1;
	case 'b':	/* body */
		strbuf_addstr(sb, msg + c->body_off);
		return 1;
	}
	return 0;	/* unknown placeholder */
}
Beispiel #6
0
static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
				void *context)
{
	struct format_commit_context *c = context;
	const struct commit *commit = c->commit;
	const char *msg = commit->buffer;
	struct commit_list *p;
	int h1, h2;

	/* 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, "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;
	case 'x':
		/* %x00 == NUL, %x0a == LF, etc. */
		if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
		    h1 <= 16 &&
		    0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
		    h2 <= 16) {
			strbuf_addch(sb, (h1<<4)|h2);
			return 3;
		} else
			return 0;
	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;
	}

	/* these depend on the commit */
	if (!commit->object.parsed)
		parse_object(commit->object.sha1);

	switch (placeholder[0]) {
	case 'H':		/* commit hash */
		strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
		return 1;
	case 'h':		/* abbreviated commit hash */
		if (add_again(sb, &c->abbrev_commit_hash))
			return 1;
		strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
						     c->pretty_ctx->abbrev));
		c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
		return 1;
	case 'T':		/* tree hash */
		strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
		return 1;
	case 't':		/* abbreviated tree hash */
		if (add_again(sb, &c->abbrev_tree_hash))
			return 1;
		strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
						     c->pretty_ctx->abbrev));
		c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
		return 1;
	case 'P':		/* parent hashes */
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
		}
		return 1;
	case 'p':		/* abbreviated parent hashes */
		if (add_again(sb, &c->abbrev_parent_hashes))
			return 1;
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, find_unique_abbrev(
					p->item->object.sha1,
					c->pretty_ctx->abbrev));
		}
		c->abbrev_parent_hashes.len = sb->len -
		                              c->abbrev_parent_hashes.off;
		return 1;
	case 'm':		/* left/right/bottom */
		strbuf_addch(sb, (commit->object.flags & BOUNDARY)
		                 ? '-'
		                 : (commit->object.flags & SYMMETRIC_LEFT)
		                 ? '<'
		                 : '>');
		return 1;
	case 'd':
		format_decoration(sb, commit);
		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,
						    (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;
		}
		return 0;	/* unknown %g placeholder */
	case 'N':
		if (c->pretty_ctx->show_notes) {
			format_display_notes(commit->object.sha1, sb,
				    git_log_output_encoding ? git_log_output_encoding
							    : git_commit_encoding, 0);
			return 1;
		}
		return 0;
	}

	/* For the rest we have to parse the commit header. */
	if (!c->commit_header_parsed)
		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 */
		strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
		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 */
		format_sanitized_subject(sb, msg + c->subject_off);
		return 1;
	case 'b':	/* body */
		strbuf_addstr(sb, msg + c->body_off);
		return 1;
	}
	return 0;	/* unknown placeholder */
}
Beispiel #7
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;
	int ch;

	/* these are independent of the commit */
	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 'n':		/* newline */
		strbuf_addch(sb, '\n');
		return 1;
	case 'x':
		/* %x00 == NUL, %x0a == LF, etc. */
		ch = hex2chr(placeholder + 1);
		if (ch < 0)
			return 0;
		strbuf_addch(sb, ch);
		return 3;
	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(sb, placeholder, c);
	}

	/* these depend on the commit */
	if (!commit->object.parsed)
		parse_object(&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':
		load_ref_decorations(NULL, DECORATE_SHORT_REFS);
		format_decorations(sb, commit, c->auto_color);
		return 1;
	case 'D':
		load_ref_decorations(NULL, DECORATE_SHORT_REFS);
		format_decorations_extended(sb, commit, c->auto_color, "", ", ", "");
		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':
			case 'B':
			case 'E':
			case 'U':
			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;
		default:
			return 0;
		}
		return 2;
	}


	/* For the rest we have to parse the commit header. */
	if (!c->commit_header_parsed)
		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 */
		format_sanitized_subject(sb, 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;
		if (*arg == ':') {
			arg++;
			for (;;) {
				if (match_placeholder_arg(arg, "only", &arg))
					opts.only_trailers = 1;
				else if (match_placeholder_arg(arg, "unfold", &arg))
					opts.unfold = 1;
				else
					break;
			}
		}
		if (*arg == ')') {
			format_trailers_from_commit(sb, msg + c->subject_off, &opts);
			return arg - placeholder + 1;
		}
	}

	return 0;	/* unknown placeholder */
}