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parse-options: add --git-completion-helper-all 

--git-completion-helper excludes hidden options, such as --allow-empty
for git commit. This is typically helpful, but occasionally we want
auto-completion for obscure flags. --git-completion-helper-all returns
all options, even if they are marked as hidden or nocomplete.

Signed-off-by: Ryan Zoeller <rtzoeller@rtzoeller.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ryan Zoeller 2020-08-19 23:06:08 +00:00 committed by Junio C Hamano
parent 675a4aaf3b
commit a0abe5e3b7
1 changed files with 17 additions and 9 deletions
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26
parse-options.c
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@ -525,7 +525,8 @@ void parse_options_start(struct parse_opt_ctx_t *ctx,
parse_options_start_1(ctx, argc, argv, prefix, options, flags);
}
static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
static void show_negated_gitcomp(const struct option *opts, int show_all,
int nr_noopts)
{
int printed_dashdash = 0;
@ -535,7 +536,8 @@ static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
if (!opts->long_name)
continue;
if (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE))
if (!show_all &&
(opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE)))
continue;
if (opts->flags & PARSE_OPT_NONEG)
continue;
@ -572,7 +574,7 @@ static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
}
}
static int show_gitcomp(const struct option *opts)
static int show_gitcomp(const struct option *opts, int show_all)
{
const struct option *original_opts = opts;
int nr_noopts = 0;
@ -582,7 +584,8 @@ static int show_gitcomp(const struct option *opts)
if (!opts->long_name)
continue;
if (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE))
if (!show_all &&
(opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE)))
continue;
switch (opts->type) {
@ -610,8 +613,8 @@ static int show_gitcomp(const struct option *opts)
nr_noopts++;
printf(" --%s%s", opts->long_name, suffix);
}
show_negated_gitcomp(original_opts, -1);
show_negated_gitcomp(original_opts, nr_noopts);
show_negated_gitcomp(original_opts, show_all, -1);
show_negated_gitcomp(original_opts, show_all, nr_noopts);
fputc('\n', stdout);
return PARSE_OPT_COMPLETE;
}
@ -723,9 +726,14 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
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(options);
/*
* lone --git-completion-helper and --git-completion-helper-all
* are asked by git-completion.bash
*/
if (ctx->total == 1 && !strcmp(arg, "--git-completion-helper"))
return show_gitcomp(options, 0);
if (ctx->total == 1 && !strcmp(arg, "--git-completion-helper-all"))
return show_gitcomp(options, 1);
if (arg[1] != '-') {
ctx->opt = arg + 1;