Avoid segfault with 'git branch' when the HEAD is detached

[git.git] / pretty.c

diff --git a/pretty.c b/pretty.c
index 343dca556cc73031bb073b6ebf8bf511db3a60c4..cc460b56970c3869e67feb816f76f4804e37e7ce 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -6,6 +6,7 @@
 #include "string-list.h"
 #include "mailmap.h"
 #include "log-tree.h"
+#include "color.h"
 
 static char *user_format;
 
@@ -486,8 +487,8 @@ static void parse_commit_header(struct format_commit_context *context)
        context->commit_header_parsed = 1;
 }
 
-static const char *format_subject(struct strbuf *sb, const char *msg,
-                                 const char *line_separator)
+const char *format_subject(struct strbuf *sb, const char *msg,
+                          const char *line_separator)
 {
        int first = 1;
 
@@ -554,6 +555,17 @@ static size_t format_commit_item(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, "red")) {
                        strbuf_addstr(sb, "\033[31m");
                        return 4;