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help: add "-a --verbose" to list all commands with synopsis

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This lists all recognized commands [1] by category. The group order
follows closely git.txt.

[1] We may actually show commands that are not built (e.g. if you set
NO_PERL you don't have git-instaweb but it's still listed here). I
ignore the problem because on Linux a git package could be split
anyway. The "git-core" package may not contain git-instaweb even if
it's built because it may end up in a separate package. We can't know
anyway.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2018-05-20 20:40:01 +02:00
committed by Junio C Hamano
parent 3c7777672b
commit 63eae83f8f
5 changed files with 37 additions and 1 deletions
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7
builtin/help.c
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@ -36,6 +36,7 @@ static const char *html_path;
static int show_all = 0;
static int show_guides = 0;
static int verbose;
static unsigned int colopts;
static enum help_format help_format = HELP_FORMAT_NONE;
static int exclude_guides;
@ -48,6 +49,7 @@ static struct option builtin_help_options[] = {
HELP_FORMAT_WEB),
OPT_SET_INT('i', "info", &help_format, N_("show info page"),
HELP_FORMAT_INFO),
OPT__VERBOSE(&verbose, N_("print command description")),
OPT_END(),
};
@ -463,6 +465,11 @@ int cmd_help(int argc, const char **argv, const char *prefix)
if (show_all) {
git_config(git_help_config, NULL);
if (verbose) {
setup_pager();
list_all_cmds_help();
return 0;
}
printf(_("usage: %s%s"), _(git_usage_string), "\n\n");
load_command_list("git-", &main_cmds, &other_cmds);
list_commands(colopts, &main_cmds, &other_cmds);