t6010-merge-base.sh: Depict the octopus test graph

diff --git a/pretty.c b/pretty.c
index efa70245f19ef3493cd701ea20505203a466d65e..e5328dab5b2978d90d20f47ed799782e7b2fb63b 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -284,7 +284,7 @@ static char *replace_encoding_header(char *buf, const char *encoding)
 static char *logmsg_reencode(const struct commit *commit,
                             const char *output_encoding)
 {
-       static const char *utf8 = "utf-8";
+       static const char *utf8 = "UTF-8";
        const char *use_encoding;
        char *encoding;
        char *out;
@@ -493,6 +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)
 {
@@ -683,6 +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;
@@ -844,7 +881,7 @@ char *reencode_commit_message(const struct commit *commit, const char **encoding
                    ? git_log_output_encoding
                    : git_commit_encoding);
        if (!encoding)
-               encoding = "utf-8";
+               encoding = "UTF-8";
        if (encoding_p)
                *encoding_p = encoding;
        return logmsg_reencode(commit, encoding);