Introduce usagef() that takes a printf-style format

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index d7cc8cafbfb4ea39e347828013b28d21cfe2be74..a5a83f14693b94adf3ae0dbc1b500b2e6b2be54d 100644 (file)
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -576,7 +576,7 @@ static void populate_value(struct refinfo *ref)
 
                if (!prefixcmp(name, "refname"))
                        refname = ref->refname;
-               else if(!prefixcmp(name, "upstream")) {
+               else if (!prefixcmp(name, "upstream")) {
                        struct branch *branch;
                        /* only local branches may have an upstream */
                        if (prefixcmp(ref->refname, "refs/heads/"))