Introduce usagef() that takes a printf-style format

diff --git a/builtin-tag.c b/builtin-tag.c
index a51a6d1ea21412f151238e48984bc13110fcbc6c..c4790185ebb9979a6772cf7159d16c2a1deeeaf3 100644 (file)
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -390,7 +390,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN('s', NULL, &sign, "annotated and GPG-signed tag"),
                OPT_STRING('u', NULL, &keyid, "key-id",
                                        "use another key to sign the tag"),
-               OPT_BOOLEAN('f', NULL, &force, "replace the tag if exists"),
+               OPT_BOOLEAN('f', "force", &force, "replace the tag if exists"),
 
                OPT_GROUP("Tag listing options"),
                {