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udevadm info: implement --no-pager

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2022-06-22 14:26:55 +02:00
parent a4433b4532
commit b6ec23a01a
2 changed files with 10 additions and 2 deletions
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1
man/udevadm.xml
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@ -218,6 +218,7 @@
</varlistentry>
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="no-pager" />
</variablelist>
<para>The generated output shows the current device database entry in a terse format. Each line shown

11
src/udev/udevadm-info.c
View File

@ -51,6 +51,7 @@ static bool arg_export = false;
static bool arg_value = false;
static const char *arg_export_prefix = NULL;
static usec_t arg_wait_for_initialization_timeout = 0;
PagerFlags arg_pager_flags = 0;
/* Put a limit on --tree descent level to not exhaust our stack */
#define TREE_DEPTH_MAX 64
@ -496,7 +497,8 @@ static int help(void) {
" -e --export-db Export the content of the udev database\n"
" -c --cleanup-db Clean up the udev database\n"
" -w --wait-for-initialization[=SECONDS]\n"
" Wait for device to be initialized\n",
" Wait for device to be initialized\n"
" --no-pager Do not pipe output into a pager\n",
program_invocation_short_name);
return 0;
@ -667,6 +669,7 @@ int info_main(int argc, char *argv[], void *userdata) {
enum {
ARG_PROPERTY = 0x100,
ARG_VALUE,
ARG_NO_PAGER,
};
static const struct option options[] = {
@ -686,6 +689,7 @@ int info_main(int argc, char *argv[], void *userdata) {
{ "value", no_argument, NULL, ARG_VALUE },
{ "version", no_argument, NULL, 'V' },
{ "wait-for-initialization", optional_argument, NULL, 'w' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{}
};
@ -779,6 +783,9 @@ int info_main(int argc, char *argv[], void *userdata) {
return print_version();
case 'h':
return help();
case ARG_NO_PAGER:
arg_pager_flags |= PAGER_DISABLE;
break;
case '?':
return -EINVAL;
default:
@ -810,7 +817,7 @@ int info_main(int argc, char *argv[], void *userdata) {
if (strv_isempty(devices)) {
assert(action == ACTION_TREE);
pager_open(0);
pager_open(arg_pager_flags);
return print_tree(NULL);
}