return get_value(p, options, all_opts, flags ^ opt_flags);
}
- if (ambiguous_option)
- return error("Ambiguous option: %s "
+ if (ambiguous_option) {
+ error("Ambiguous option: %s "
"(could be --%s%s or --%s%s)",
arg,
(ambiguous_flags & OPT_UNSET) ? "no-" : "",
ambiguous_option->long_name,
(abbrev_flags & OPT_UNSET) ? "no-" : "",
abbrev_option->long_name);
+ return -3;
+ }
if (abbrev_option)
return get_value(p, abbrev_option, all_opts, abbrev_flags);
return -2;
parse_options_check(options);
}
+static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
+{
+ int printed_dashdash = 0;
+
+ for (; opts->type != OPTION_END; opts++) {
+ int has_unset_form = 0;
+ const char *name;
+
+ if (!opts->long_name)
+ continue;
+ if (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE))
+ continue;
+ if (opts->flags & PARSE_OPT_NONEG)
+ continue;
+
+ switch (opts->type) {
+ case OPTION_STRING:
+ case OPTION_FILENAME:
+ case OPTION_INTEGER:
+ case OPTION_MAGNITUDE:
+ case OPTION_CALLBACK:
+ case OPTION_BIT:
+ case OPTION_NEGBIT:
+ case OPTION_COUNTUP:
+ case OPTION_SET_INT:
+ has_unset_form = 1;
+ break;
+ default:
+ break;
+ }
+ if (!has_unset_form)
+ continue;
+
+ if (skip_prefix(opts->long_name, "no-", &name)) {
+ if (nr_noopts < 0)
+ printf(" --%s", name);
+ } else if (nr_noopts >= 0) {
+ if (nr_noopts && !printed_dashdash) {
+ printf(" --");
+ printed_dashdash = 1;
+ }
+ printf(" --no-%s", opts->long_name);
+ nr_noopts++;
+ }
+ }
+}
+
+static int show_gitcomp(struct parse_opt_ctx_t *ctx,
+ const struct option *opts)
+{
+ const struct option *original_opts = opts;
+ int nr_noopts = 0;
+
+ for (; opts->type != OPTION_END; opts++) {
+ const char *suffix = "";
+
+ if (!opts->long_name)
+ continue;
+ if (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE))
+ continue;
+
+ switch (opts->type) {
+ case OPTION_GROUP:
+ continue;
+ case OPTION_STRING:
+ case OPTION_FILENAME:
+ case OPTION_INTEGER:
+ case OPTION_MAGNITUDE:
+ case OPTION_CALLBACK:
+ if (opts->flags & PARSE_OPT_NOARG)
+ break;
+ if (opts->flags & PARSE_OPT_OPTARG)
+ break;
+ if (opts->flags & PARSE_OPT_LASTARG_DEFAULT)
+ break;
+ suffix = "=";
+ break;
+ default:
+ break;
+ }
+ if (opts->flags & PARSE_OPT_COMP_ARG)
+ suffix = "=";
+ if (starts_with(opts->long_name, "no-"))
+ nr_noopts++;
+ printf(" --%s%s", opts->long_name, suffix);
+ }
+ show_negated_gitcomp(original_opts, -1);
+ show_negated_gitcomp(original_opts, nr_noopts);
+ fputc('\n', stdout);
+ exit(0);
+}
+
static int usage_with_options_internal(struct parse_opt_ctx_t *,
const char * const *,
const struct option *, int, int);
const char * const usagestr[])
{
int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);
- int err = 0;
/* we must reset ->opt, unknown short option leave it dangling */
ctx->opt = NULL;
if (internal_help && ctx->total == 1 && !strcmp(arg + 1, "h"))
goto show_usage;
+ /* lone --git-completion-helper is asked by git-completion.bash */
+ if (ctx->total == 1 && !strcmp(arg + 1, "-git-completion-helper"))
+ return show_gitcomp(ctx, options);
+
if (arg[1] != '-') {
ctx->opt = arg + 1;
switch (parse_short_opt(ctx, options)) {
case -1:
- goto show_usage_error;
+ return PARSE_OPT_ERROR;
case -2:
if (ctx->opt)
check_typos(arg + 1, options);
while (ctx->opt) {
switch (parse_short_opt(ctx, options)) {
case -1:
- goto show_usage_error;
+ return PARSE_OPT_ERROR;
case -2:
if (internal_help && *ctx->opt == 'h')
goto show_usage;
goto show_usage;
switch (parse_long_opt(ctx, arg + 2, options)) {
case -1:
- goto show_usage_error;
+ return PARSE_OPT_ERROR;
case -2:
goto unknown;
+ case -3:
+ goto show_usage;
}
continue;
unknown:
}
return PARSE_OPT_DONE;
- show_usage_error:
- err = 1;
show_usage:
- return usage_with_options_internal(ctx, usagestr, options, 0, err);
+ return usage_with_options_internal(ctx, usagestr, options, 0, 0);
}
int parse_options_end(struct parse_opt_ctx_t *ctx)
parse_options_start(&ctx, argc, argv, prefix, options, flags);
switch (parse_options_step(&ctx, options, usagestr)) {
case PARSE_OPT_HELP:
+ case PARSE_OPT_ERROR:
exit(129);
case PARSE_OPT_NON_OPTION:
case PARSE_OPT_DONE: