builtin-log.c: guard config parser from value=NULL

format.suffix expects a string value.  format.numbered is bool plus "auto"

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-log.c b/builtin-log.c
index 9458428a8b69077a4b17475d596144ce92e1da4e..99d69f079132ed67e2d5bc83bf95e6e60ba22f6f 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -432,7 +432,7 @@ static int git_format_config(const char *var, const char *value)
        }
        if (!strcmp(var, "format.suffix")) {
                if (!value)
-                       die("format.suffix without value");
+                       return config_error_nonbool(var);
                fmt_patch_suffix = xstrdup(value);
                return 0;
        }
@@ -440,11 +440,10 @@ static int git_format_config(const char *var, const char *value)
                return 0;
        }
        if (!strcmp(var, "format.numbered")) {
-               if (!strcasecmp(value, "auto")) {
+               if (value && !strcasecmp(value, "auto")) {
                        auto_number = 1;
                        return 0;
                }
-
                numbered = git_config_bool(var, value);
                return 0;
        }