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. '') 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.