quote.c: mark file-local function static
[gitweb.git] / parse-options.c
index f7ce523a615b121b8a0825e459c1b75f24253c85..7bbed5f3e2f54cdcaf42c93321cdc8089008eaf5 100644 (file)
@@ -3,6 +3,9 @@
 #include "cache.h"
 #include "commit.h"
 
+static int parse_options_usage(const char * const *usagestr,
+                              const struct option *opts);
+
 #define OPT_SHORT 1
 #define OPT_UNSET 2
 
@@ -230,6 +233,9 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                                abbrev_flags = flags;
                                continue;
                        }
+                       /* negation allowed? */
+                       if (options->flags & PARSE_OPT_NONEG)
+                               continue;
                        /* negated and abbreviated very much? */
                        if (!prefixcmp("no-", arg)) {
                                flags |= OPT_UNSET;
@@ -511,7 +517,7 @@ static int usage_with_options_internal(const char * const *usagestr,
                        continue;
 
                pos = fprintf(stderr, "    ");
-               if (opts->short_name) {
+               if (opts->short_name && !(opts->flags & PARSE_OPT_NEGHELP)) {
                        if (opts->flags & PARSE_OPT_NODASH)
                                pos += fprintf(stderr, "%c", opts->short_name);
                        else
@@ -520,7 +526,9 @@ static int usage_with_options_internal(const char * const *usagestr,
                if (opts->long_name && opts->short_name)
                        pos += fprintf(stderr, ", ");
                if (opts->long_name)
-                       pos += fprintf(stderr, "--%s", opts->long_name);
+                       pos += fprintf(stderr, "--%s%s",
+                               (opts->flags & PARSE_OPT_NEGHELP) ?  "no-" : "",
+                               opts->long_name);
                if (opts->type == OPTION_NUMBER)
                        pos += fprintf(stderr, "-NUM");
 
@@ -547,8 +555,16 @@ void usage_with_options(const char * const *usagestr,
        exit(129);
 }
 
-int parse_options_usage(const char * const *usagestr,
-                       const struct option *opts)
+void usage_msg_opt(const char *msg,
+                  const char * const *usagestr,
+                  const struct option *options)
+{
+       fprintf(stderr, "%s\n\n", msg);
+       usage_with_options(usagestr, options);
+}
+
+static int parse_options_usage(const char * const *usagestr,
+                              const struct option *opts)
 {
        return usage_with_options_internal(usagestr, opts, 0);
 }