Introduce usagef() that takes a printf-style format

diff --git a/builtin-verify-tag.c b/builtin-verify-tag.c
index 7f7fda42f9b7ab272ff2b3fa4ad1984a79f11ce0..9f482c29f516bde84023f401b28b133c1e605333 100644 (file)
--- a/builtin-verify-tag.c
+++ b/builtin-verify-tag.c
@@ -10,9 +10,12 @@
 #include "tag.h"
 #include "run-command.h"
 #include <signal.h>
+#include "parse-options.h"
 
-static const char builtin_verify_tag_usage[] =
-               "git verify-tag [-v|--verbose] <tag>...";
+static const char * const verify_tag_usage[] = {
+               "git verify-tag [-v|--verbose] <tag>...",
+               NULL
+};
 
 #define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
 
@@ -89,17 +92,17 @@ static int verify_tag(const char *name, int verbose)
 int cmd_verify_tag(int argc, const char **argv, const char *prefix)
 {
        int i = 1, verbose = 0, had_error = 0;
+       const struct option verify_tag_options[] = {
+               OPT__VERBOSE(&verbose),
+               OPT_END()
+       };
 
        git_config(git_default_config, NULL);
 
-       if (argc > 1 &&
-           (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose"))) {
-               verbose = 1;
-               i++;
-       }
-
+       argc = parse_options(argc, argv, prefix, verify_tag_options,
+                            verify_tag_usage, PARSE_OPT_KEEP_ARGV0);
        if (argc <= i)
-               usage(builtin_verify_tag_usage);
+               usage_with_options(verify_tag_usage, verify_tag_options);
 
        /* sometimes the program was terminated because this signal
         * was received in the process of writing the gpg input: */