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

color configuration variables expect a string value.

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

diff --git a/builtin-config.c b/builtin-config.c
index e4a12e316648e6b0ab1ee0b424773f3c672c751e..077d8ef2df4ae38d668293cc35810b39e0488f6b 100644 (file)
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -168,6 +168,8 @@ static char parsed_color[COLOR_MAXLEN];
 static int git_get_color_config(const char *var, const char *value)
 {
        if (!strcmp(var, get_color_slot)) {
+               if (!value)
+                       config_error_nonbool(var);
                color_parse(value, var, parsed_color);
                get_color_found = 1;
        }