for-each-ref: refactor refname handling

[git.git] / pretty.c

diff --git a/pretty.c b/pretty.c
index c0184080998734450b250aa7dc72c427e1ecac8a..a0ef356558f4cdb148010f1b47dbd3fcc363d8ba 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -135,7 +135,6 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
        int namelen;
        unsigned long time;
        int tz;
-       const char *filler = "    ";
 
        if (fmt == CMIT_FMT_ONELINE)
                return;
@@ -154,7 +153,6 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
                while (line < name_tail && isspace(name_tail[-1]))
                        name_tail--;
                display_name_length = name_tail - line;
-               filler = "";
                strbuf_addstr(sb, "From: ");
                add_rfc2047(sb, line, display_name_length, encoding);
                strbuf_add(sb, name_tail, namelen - display_name_length);
@@ -162,7 +160,7 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
        } else {
                strbuf_addf(sb, "%s: %.*s%.*s\n", what,
                              (fmt == CMIT_FMT_FULLER) ? 4 : 0,
-                             filler, namelen, line);
+                             "    ", namelen, line);
        }
        switch (fmt) {
        case CMIT_FMT_MEDIUM:
@@ -495,6 +493,40 @@ static void parse_commit_header(struct format_commit_context *context)
        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 == '_';
+}
+
+static void format_sanitized_subject(struct strbuf *sb, const char *msg)
+{
+       size_t trimlen;
+       size_t start_len = sb->len;
+       int space = 2;
+
+       for (; *msg && *msg != '\n'; msg++) {
+               if (istitlechar(*msg)) {
+                       if (space == 1)
+                               strbuf_addch(sb, '-');
+                       space = 0;
+                       strbuf_addch(sb, *msg);
+                       if (*msg == '.')
+                               while (*(msg+1) == '.')
+                                       msg++;
+               } 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)
 {
@@ -685,6 +717,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        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;