format-patch: document --quiet option

diff --git a/builtin/prune.c b/builtin/prune.c
index 81f915ec315eb75e529fed8f2f6bab436755f598..e65690ba370511072dfa1e64838eef5e5686aac9 100644 (file)
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -125,10 +125,8 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;
        const struct option options[] = {
-               OPT_BOOLEAN('n', NULL, &show_only,
-                           "do not remove, show only"),
-               OPT_BOOLEAN('v', NULL, &verbose,
-                       "report pruned objects"),
+               OPT__DRY_RUN(&show_only, "do not remove, show only"),
+               OPT__VERBOSE(&verbose, "report pruned objects"),
                OPT_DATE(0, "expire", &expire,
                         "expire objects older than <time>"),
                OPT_END()