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[util] Make --help less verbose again

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Just the main page gets env-vars, exit-codes, and see-also.
This commit is contained in:
Behdad Esfahbod 2025-03-27 13:59:08 -06:00
parent 7ab42f9af3
commit d47a47e20b
2 changed files with 27 additions and 18 deletions
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4
util/meson.build
View file

@ -23,6 +23,8 @@ else
help2man = disabler()
endif
help2man_command = [help2man, '--help-option=--help-all', '--no-info', '--output=' + '@OUTPUT@', '@INPUT@']
help2man_env = environment()
help2man_env.set('HB_UTIL_HELP_VERBOSE', '1')
util_deps = [freetype_dep, cairo_dep, cairo_ft_dep, glib_dep]
@ -43,6 +45,7 @@ if conf.get('HAVE_GLIB', 0) == 1
output: target,
command: help2man_command,
depends: [hb_view],
env: help2man_env,
install: true,
install_dir: get_option('mandir') / 'man1',
)
@ -84,6 +87,7 @@ if conf.get('HAVE_GLIB', 0) == 1
output: target,
command: help2man_command,
depends: [binary],
env: help2man_env,
install: true,
install_dir: get_option('mandir') / 'man1',
)

41
util/options.hh
View file

@ -168,26 +168,31 @@ struct option_parser_t
{
GString *s = g_string_new (description);
// Exit codes
assert (exit_codes->len);
g_string_append_printf (s, "\n\n*Exit Codes*\n");
for (unsigned i = 0; i < exit_codes->len; i++)
if (exit_codes->pdata[i])
g_string_append_printf (s, "\n %u: %s\n", i, (const char *) exit_codes->pdata[i]);
// Environment variables if any
if (environs->len)
const char *env = getenv ("HB_UTIL_HELP_VERBOSE");
bool verbose = env && atoi (env);
if (verbose)
{
g_string_append_printf (s, "\n\n*Environment*\n");
for (unsigned i = 0; i < environs->len; i++)
{
g_string_append_printf (s, "\n %s\n", (char *)environs->pdata[i]);
}
}
// Exit codes
assert (exit_codes->len);
g_string_append_printf (s, "\n\n*Exit Codes*\n");
for (unsigned i = 0; i < exit_codes->len; i++)
if (exit_codes->pdata[i])
g_string_append_printf (s, "\n %u: %s\n", i, (const char *) exit_codes->pdata[i]);
// See also
g_string_append_printf (s, "\n\n*See also*\n");
g_string_append_printf (s, " hb-view(1), hb-shape(1), hb-subset(1), hb-info(1)");
// Environment variables if any
if (environs->len)
{
g_string_append_printf (s, "\n\n*Environment*\n");
for (unsigned i = 0; i < environs->len; i++)
{
g_string_append_printf (s, "\n %s\n", (char *)environs->pdata[i]);
}
}
// See also
g_string_append_printf (s, "\n\n*See also*\n");
g_string_append_printf (s, " hb-view(1), hb-shape(1), hb-subset(1), hb-info(1)");
}
// Footer
g_string_append_printf (s, "\n\nFind more information or report bugs at <https://github.com/harfbuzz/harfbuzz>\n");