Merge branch 'js/find-commit-subject-ignore-leading-blanks'

[thirdparty/git.git] / pretty.c

diff --git a/pretty.c b/pretty.c
index c3ec430220a5667685dbdeca5252df48bd65cd41..9fa42c2b4e3cd55fe8ec03248bc19780574bf961 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -92,6 +92,7 @@ static void setup_commit_formats(void)
                { "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 }
@@ -444,7 +445,7 @@ void pp_user_info(struct pretty_print_context *pp,
        if (pp->mailmap)
                map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
 
-       if (pp->fmt == CMIT_FMT_EMAIL) {
+       if (cmit_fmt_is_mail(pp->fmt)) {
                if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) {
                        struct strbuf buf = STRBUF_INIT;
 
@@ -494,6 +495,7 @@ void pp_user_info(struct pretty_print_context *pp,
                            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;
@@ -507,7 +509,7 @@ void pp_user_info(struct pretty_print_context *pp,
        }
 }
 
-static int is_empty_line(const char *line, int *len_p)
+static int is_blank_line(const char *line, int *len_p)
 {
        int len = *len_p;
        while (len && isspace(line[len - 1]))
@@ -516,14 +518,14 @@ static int is_empty_line(const char *line, int *len_p)
        return !len;
 }
 
-static const char *skip_empty_lines(const char *msg)
+const char *skip_blank_lines(const char *msg)
 {
        for (;;) {
                int linelen = get_one_line(msg);
                int ll = linelen;
                if (!linelen)
                        break;
-               if (!is_empty_line(msg, &ll))
+               if (!is_blank_line(msg, &ll))
                        break;
                msg += linelen;
        }
@@ -535,7 +537,7 @@ static void add_merge_info(const struct pretty_print_context *pp,
 {
        struct commit_list *parent = commit->parents;
 
-       if ((pp->fmt == CMIT_FMT_ONELINE) || (pp->fmt == CMIT_FMT_EMAIL) ||
+       if ((pp->fmt == CMIT_FMT_ONELINE) || (cmit_fmt_is_mail(pp->fmt)) ||
            !parent || !parent->next)
                return;
 
@@ -875,7 +877,7 @@ const char *format_subject(struct strbuf *sb, const char *msg,
                int linelen = get_one_line(line);
 
                msg += linelen;
-               if (!linelen || is_empty_line(line, &linelen))
+               if (!linelen || is_blank_line(line, &linelen))
                        break;
 
                if (!sb)
@@ -894,11 +896,11 @@ 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_empty_lines(msg);
+       msg = skip_blank_lines(msg);
        c->subject_off = msg - start;
 
        msg = format_subject(NULL, msg, NULL);
-       msg = skip_empty_lines(msg);
+       msg = skip_blank_lines(msg);
        c->body_off = msg - start;
 
        c->commit_message_parsed = 1;
@@ -1022,9 +1024,15 @@ static size_t parse_padding_placeholder(struct strbuf *sb,
                int width;
                if (!end || end == start)
                        return 0;
-               width = strtoul(start, &next, 10);
+               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;
 
@@ -1299,6 +1307,7 @@ static size_t format_and_pad_commit(struct strbuf *sb, /* in UTF-8 */
                if (!start)
                        start = sb->buf;
                occupied = utf8_strnwidth(start, -1, 1);
+               occupied += c->pretty_ctx->graph_width;
                padding = (-padding) - occupied;
        }
        while (1) {
@@ -1614,7 +1623,7 @@ void pp_title_line(struct pretty_print_context *pp,
        if (pp->after_subject) {
                strbuf_addstr(sb, pp->after_subject);
        }
-       if (pp->fmt == CMIT_FMT_EMAIL) {
+       if (cmit_fmt_is_mail(pp->fmt)) {
                strbuf_addch(sb, '\n');
        }
 
@@ -1697,6 +1706,16 @@ static void pp_handle_indent(struct pretty_print_context *pp,
                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,
@@ -1711,7 +1730,7 @@ void pp_remainder(struct pretty_print_context *pp,
                if (!linelen)
                        break;
 
-               if (is_empty_line(line, &linelen)) {
+               if (is_blank_line(line, &linelen)) {
                        if (first)
                                continue;
                        if (pp->fmt == CMIT_FMT_SHORT)
@@ -1725,8 +1744,13 @@ void pp_remainder(struct pretty_print_context *pp,
                else if (pp->expand_tabs_in_log)
                        strbuf_add_tabexpand(sb, pp->expand_tabs_in_log,
                                             line, linelen);
-               else
+               else {
+                       if (pp->fmt == CMIT_FMT_MBOXRD &&
+                                       is_mboxrd_from(line, linelen))
+                               strbuf_addch(sb, '>');
+
                        strbuf_add(sb, line, linelen);
+               }
                strbuf_addch(sb, '\n');
        }
 }
@@ -1750,14 +1774,14 @@ void pretty_print_commit(struct pretty_print_context *pp,
        encoding = get_log_output_encoding();
        msg = reencoded = logmsg_reencode(commit, NULL, encoding);
 
-       if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
+       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 (pp->fmt == CMIT_FMT_EMAIL && need_8bit_cte == 0) {
+       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++) {
@@ -1782,10 +1806,10 @@ void pretty_print_commit(struct pretty_print_context *pp,
        }
 
        /* Skip excess blank lines at the beginning of body, if any... */
-       msg = skip_empty_lines(msg);
+       msg = skip_blank_lines(msg);
 
        /* These formats treat the title line specially. */
-       if (pp->fmt == CMIT_FMT_ONELINE || pp->fmt == CMIT_FMT_EMAIL)
+       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;
@@ -1802,7 +1826,7 @@ void pretty_print_commit(struct pretty_print_context *pp,
         * format.  Make sure we did not strip the blank line
         * between the header and the body.
         */
-       if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
+       if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body)
                strbuf_addch(sb, '\n');
 
        unuse_commit_buffer(commit, reencoded);