summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--parse-options.c6
-rw-r--r--parse-options.h4
2 files changed, 8 insertions, 2 deletions
diff --git a/parse-options.c b/parse-options.c
index f7ce523a61..3b71fbb541 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -511,7 +511,7 @@ 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 +520,9 @@ 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");
diff --git a/parse-options.h b/parse-options.h
index aba30671dc..b32587ad7c 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -36,6 +36,7 @@ enum parse_opt_option_flags {
PARSE_OPT_LASTARG_DEFAULT = 16,
PARSE_OPT_NODASH = 32,
PARSE_OPT_LITERAL_ARGHELP = 64,
+ PARSE_OPT_NEGHELP = 128,
};
struct option;
@@ -80,6 +81,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
* PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets
* (i.e. '<argh>') in the help message.
* Useful for options with multiple parameters.
+ * PARSE_OPT_NEGHELP: says that the long option should always be shown with
+ * the --no prefix in the usage message. Sometimes
+ * useful for users of OPTION_NEGBIT.
*
* `callback`::
* pointer to the callback to use for OPTION_CALLBACK.