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help: add --no-[external-commands|aliases] for use with --all

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Add the ability to only emit git's own usage information under
--all. This also allows us to extend the "test_section_spacing" tests
added in a preceding commit to test "git help --all"
output.

Previously we could not do that, as the tests might find a git-*
command in the "$PATH", which would make the output differ from one
setup to another.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
2022-02-21 20:38:51 +01:00
committed by Junio C Hamano
parent 503cddacb6
commit 1ce590133b
5 changed files with 66 additions and 7 deletions
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16
builtin/help.c
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@ -51,9 +51,14 @@ static const char *html_path;
static int verbose = 1;
static enum help_format help_format = HELP_FORMAT_NONE;
static int exclude_guides;
static int show_external_commands = -1;
static int show_aliases = -1;
static struct option builtin_help_options[] = {
OPT_CMDMODE('a', "all", &cmd_mode, N_("print all available commands"),
HELP_ACTION_ALL),
OPT_BOOL(0, "external-commands", &show_external_commands,
N_("show external commands in --all")),
OPT_BOOL(0, "aliases", &show_aliases, N_("show aliases in --all")),
OPT_HIDDEN_BOOL(0, "exclude-guides", &exclude_guides, N_("exclude guides")),
OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN),
OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"),
@ -75,7 +80,7 @@ static struct option builtin_help_options[] = {
};
static const char * const builtin_help_usage[] = {
N_("git help [-a|--all] [--[no-]verbose]]"),
N_("git help [-a|--all] [--[no-]verbose]] [--[no-]external-commands] [--[no-]aliases]"),
N_("git help [[-i|--info] [-m|--man] [-w|--web]] [<command>]"),
N_("git help [-g|--guides]"),
N_("git help [-c|--config]"),
@ -620,12 +625,19 @@ int cmd_help(int argc, const char **argv, const char *prefix)
builtin_help_usage, 0);
parsed_help_format = help_format;
if (cmd_mode != HELP_ACTION_ALL &&
(show_external_commands >= 0 ||
show_aliases >= 0))
usage_msg_opt(_("the '--no-[external-commands|aliases]' options can only be used with '--all'"),
builtin_help_usage, builtin_help_options);
switch (cmd_mode) {
case HELP_ACTION_ALL:
opt_mode_usage(argc, "--all", help_format);
if (verbose) {
setup_pager();
list_all_cmds_help();
list_all_cmds_help(show_external_commands,
show_aliases);
return 0;
}
printf(_("usage: %s%s"), _(git_usage_string), "\n\n");