t7800-difftool.sh: Simplify the --extcmd test

[git.git] / diff.c

diff --git a/diff.c b/diff.c
index d952686926e2e97aab3e369ad192027b4d7e676b..08bbd3e9070996b38f4d34cedf7640d93aa5808d 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -63,7 +63,7 @@ static int parse_diff_color_slot(const char *var, int ofs)
                return DIFF_WHITESPACE;
        if (!strcasecmp(var+ofs, "func"))
                return DIFF_FUNCINFO;
-       die("bad config variable '%s'", var);
+       return -1;
 }
 
 static int git_config_rename(const char *var, const char *value)
@@ -122,6 +122,8 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
 
        if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) {
                int slot = parse_diff_color_slot(var, 11);
+               if (slot < 0)
+                       return 0;
                if (!value)
                        return config_error_nonbool(var);
                color_parse(value, var, diff_colors[slot]);