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-rw-r--r--builtin/help.c87
1 files changed, 75 insertions, 12 deletions
diff --git a/builtin/help.c b/builtin/help.c
index d387131dd8..6f2796f211 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -43,6 +43,8 @@ static enum help_action {
HELP_ACTION_ALL = 1,
HELP_ACTION_GUIDES,
HELP_ACTION_CONFIG,
+ HELP_ACTION_USER_INTERFACES,
+ HELP_ACTION_DEVELOPER_INTERFACES,
HELP_ACTION_CONFIG_FOR_COMPLETION,
HELP_ACTION_CONFIG_SECTIONS_FOR_COMPLETION,
} cmd_mode;
@@ -51,9 +53,14 @@ 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"),
@@ -64,6 +71,12 @@ static struct option builtin_help_options[] = {
OPT_CMDMODE('g', "guides", &cmd_mode, N_("print list of useful guides"),
HELP_ACTION_GUIDES),
+ OPT_CMDMODE(0, "user-interfaces", &cmd_mode,
+ N_("print list of user-facing repository, command and file interfaces"),
+ HELP_ACTION_USER_INTERFACES),
+ OPT_CMDMODE(0, "developer-interfaces", &cmd_mode,
+ N_("print list of file formats, protocols and other developer interfaces"),
+ HELP_ACTION_DEVELOPER_INTERFACES),
OPT_CMDMODE('c', "config", &cmd_mode, N_("print all configuration variable names"),
HELP_ACTION_CONFIG),
OPT_CMDMODE_F(0, "config-for-completion", &cmd_mode, "",
@@ -75,10 +88,12 @@ static struct option builtin_help_options[] = {
};
static const char * const builtin_help_usage[] = {
- N_("git help [-a|--all] [--[no-]verbose]]\n"
- " [[-i|--info] [-m|--man] [-w|--web]] [<command>]"),
- N_("git help [-g|--guides]"),
- N_("git help [-c|--config]"),
+ "git help [-a|--all] [--[no-]verbose]] [--[no-]external-commands] [--[no-]aliases]",
+ N_("git help [[-i|--info] [-m|--man] [-w|--web]] [<command>|<doc>]"),
+ "git help [-g|--guides]",
+ "git help [-c|--config]",
+ "git help [--user-interfaces]",
+ "git help [--developer-interfaces]",
NULL
};
@@ -425,6 +440,8 @@ static const char *cmd_to_page(const char *git_cmd)
return git_cmd;
else if (is_git_command(git_cmd))
return xstrfmt("git-%s", git_cmd);
+ else if (!strcmp("scalar", git_cmd))
+ return xstrdup(git_cmd);
else
return xstrfmt("git%s", git_cmd);
}
@@ -574,11 +591,40 @@ static const char *check_git_cmd(const char* cmd)
return cmd;
}
-static void no_extra_argc(int argc)
+static void no_help_format(const char *opt_mode, enum help_format fmt)
+{
+ const char *opt_fmt;
+
+ switch (fmt) {
+ case HELP_FORMAT_NONE:
+ return;
+ case HELP_FORMAT_MAN:
+ opt_fmt = "--man";
+ break;
+ case HELP_FORMAT_INFO:
+ opt_fmt = "--info";
+ break;
+ case HELP_FORMAT_WEB:
+ opt_fmt = "--web";
+ break;
+ default:
+ BUG("unreachable");
+ }
+
+ usage_msg_optf(_("options '%s' and '%s' cannot be used together"),
+ builtin_help_usage, builtin_help_options, opt_mode,
+ opt_fmt);
+}
+
+static void opt_mode_usage(int argc, const char *opt_mode,
+ enum help_format fmt)
{
if (argc)
- usage_msg_opt(_("this option doesn't take any other arguments"),
- builtin_help_usage, builtin_help_options);
+ usage_msg_optf(_("the '%s' option doesn't take any non-option arguments"),
+ builtin_help_usage, builtin_help_options,
+ opt_mode);
+
+ no_help_format(opt_mode, fmt);
}
int cmd_help(int argc, const char **argv, const char *prefix)
@@ -591,11 +637,19 @@ 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");
@@ -604,20 +658,29 @@ int cmd_help(int argc, const char **argv, const char *prefix)
printf("%s\n", _(git_more_info_string));
break;
case HELP_ACTION_GUIDES:
- no_extra_argc(argc);
+ opt_mode_usage(argc, "--guides", help_format);
list_guides_help();
printf("%s\n", _(git_more_info_string));
return 0;
case HELP_ACTION_CONFIG_FOR_COMPLETION:
- no_extra_argc(argc);
+ opt_mode_usage(argc, "--config-for-completion", help_format);
list_config_help(SHOW_CONFIG_VARS);
return 0;
+ case HELP_ACTION_USER_INTERFACES:
+ opt_mode_usage(argc, "--user-interfaces", help_format);
+ list_user_interfaces_help();
+ return 0;
+ case HELP_ACTION_DEVELOPER_INTERFACES:
+ opt_mode_usage(argc, "--developer-interfaces", help_format);
+ list_developer_interfaces_help();
+ return 0;
case HELP_ACTION_CONFIG_SECTIONS_FOR_COMPLETION:
- no_extra_argc(argc);
+ opt_mode_usage(argc, "--config-sections-for-completion",
+ help_format);
list_config_help(SHOW_CONFIG_SECTIONS);
return 0;
case HELP_ACTION_CONFIG:
- no_extra_argc(argc);
+ opt_mode_usage(argc, "--config", help_format);
setup_pager();
list_config_help(SHOW_CONFIG_HUMAN);
printf("\n%s\n", _("'git help config' for more information"));