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sysctl: add --tldr

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2023-10-24 18:32:18 +02:00
parent 918560d70f
commit f80f5dd6cc
2 changed files with 20 additions and 9 deletions
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man/systemd-sysctl.service.xml
+1
View File
@@ -78,6 +78,7 @@
</varlistentry>
<xi:include href="standard-options.xml" xpointer="cat-config" />
<xi:include href="standard-options.xml" xpointer="tldr" />
<xi:include href="standard-options.xml" xpointer="no-pager" />
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
src/sysctl/sysctl.c
+19 -9
View File
@@ -28,7 +28,7 @@
#include "sysctl-util.h"
static char **arg_prefixes = NULL;
static bool arg_cat_config = false;
static CatFlags arg_cat_flags = CAT_CONFIG_OFF;
static bool arg_strict = false;
static PagerFlags arg_pager_flags = 0;
@@ -332,6 +332,12 @@ static int read_credential_lines(OrderedHashmap **sysctl_options) {
return 0;
}
static int cat_config(char **files) {
pager_open(arg_pager_flags);
return cat_files(NULL, files, arg_cat_flags);
}
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
@@ -345,6 +351,7 @@ static int help(void) {
" -h --help Show this help\n"
" --version Show package version\n"
" --cat-config Show configuration files\n"
" --tldr Show non-comment parts of configuration\n"
" --prefix=PATH Only apply rules with the specified prefix\n"
" --no-pager Do not pipe output into a pager\n"
"\nSee the %s for details.\n",
@@ -359,6 +366,7 @@ static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_CAT_CONFIG,
ARG_TLDR,
ARG_PREFIX,
ARG_NO_PAGER,
ARG_STRICT,
@@ -368,6 +376,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "cat-config", no_argument, NULL, ARG_CAT_CONFIG },
{ "tldr", no_argument, NULL, ARG_TLDR },
{ "prefix", required_argument, NULL, ARG_PREFIX },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "strict", no_argument, NULL, ARG_STRICT },
@@ -390,7 +399,11 @@ static int parse_argv(int argc, char *argv[]) {
return version();
case ARG_CAT_CONFIG:
arg_cat_config = true;
arg_cat_flags = CAT_CONFIG_ON;
break;
case ARG_TLDR:
arg_cat_flags = CAT_TLDR;
break;
case ARG_PREFIX: {
@@ -429,9 +442,9 @@ static int parse_argv(int argc, char *argv[]) {
assert_not_reached();
}
if (arg_cat_config && argc > optind)
if (arg_cat_flags != CAT_CONFIG_OFF && argc > optind)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Positional arguments are not allowed with --cat-config");
"Positional arguments are not allowed with --cat-config/--tldr.");
return 1;
}
@@ -461,11 +474,8 @@ static int run(int argc, char *argv[]) {
if (r < 0)
return log_error_errno(r, "Failed to enumerate sysctl.d files: %m");
if (arg_cat_config) {
pager_open(arg_pager_flags);
return cat_files(NULL, files, /* flags= */ 0);
}
if (arg_cat_flags != CAT_CONFIG_OFF)
return cat_config(files);
STRV_FOREACH(f, files)
RET_GATHER(r, parse_file(&sysctl_options, *f, true));