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cgls: add -x and -c options
-x is short for --xattrs=yes and -c is short for --cgroup-id=yes.
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@ -106,17 +106,20 @@
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</varlistentry>
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<varlistentry>
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<term><option>-x</option></term>
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<term><option>--xattr=</option></term>
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<listitem><para>Controls whether to include information about extended attributes of the listed
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control groups in the output. Expects a boolean value. Defaults to no.</para></listitem>
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control groups in the output. With the long option, expects a boolean value. Defaults to no.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-c</option></term>
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<term><option>--cgroup-id=</option></term>
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<listitem><para>Controls whether to include the numeric ID of the listed control groups in the
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output. Expects a boolean value. Defaults to no.</para></listitem>
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output. With the long option, expects a boolean value. Defaults to no.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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@ -54,11 +54,11 @@ static int help(void) {
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" -a --all Show all groups, including empty\n"
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" -u --unit Show the subtrees of specified system units\n"
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" --user-unit Show the subtrees of specified user units\n"
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" --xattr=BOOL Show cgroup extended attributes\n"
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" --cgroup-id=BOOL Show cgroup ID\n"
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" -x --xattr=BOOL Show cgroup extended attributes\n"
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" -c --cgroup-id=BOOL Show cgroup ID\n"
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" -l --full Do not ellipsize output\n"
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" -k Include kernel threads in output\n"
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" -M --machine= Show container\n"
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" -M --machine=NAME Show container NAME\n"
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"\nSee the %s for details.\n",
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program_invocation_short_name,
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link);
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@ -72,8 +72,6 @@ static int parse_argv(int argc, char *argv[]) {
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ARG_NO_PAGER = 0x100,
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ARG_VERSION,
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ARG_USER_UNIT,
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ARG_XATTR,
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ARG_CGROUP_ID,
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};
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static const struct option options[] = {
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@ -85,8 +83,8 @@ static int parse_argv(int argc, char *argv[]) {
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{ "machine", required_argument, NULL, 'M' },
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{ "unit", optional_argument, NULL, 'u' },
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{ "user-unit", optional_argument, NULL, ARG_USER_UNIT },
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{ "xattr", required_argument, NULL, ARG_XATTR },
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{ "cgroup-id", required_argument, NULL, ARG_CGROUP_ID },
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{ "xattr", required_argument, NULL, 'x' },
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{ "cgroup-id", required_argument, NULL, 'c' },
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{}
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};
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@ -95,7 +93,7 @@ static int parse_argv(int argc, char *argv[]) {
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assert(argc >= 1);
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assert(argv);
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while ((c = getopt_long(argc, argv, "-hkalM:u::", options, NULL)) >= 0)
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while ((c = getopt_long(argc, argv, "-hkalM:u::xc", options, NULL)) >= 0)
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switch (c) {
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@ -143,18 +141,24 @@ static int parse_argv(int argc, char *argv[]) {
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arg_machine = optarg;
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break;
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case ARG_XATTR:
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case 'x':
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if (optarg) {
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r = parse_boolean(optarg);
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if (r < 0)
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return log_error_errno(r, "Failed to parse --xattr= value: %s", optarg);
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} else
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r = true;
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SET_FLAG(arg_output_flags, OUTPUT_CGROUP_XATTRS, r);
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break;
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case ARG_CGROUP_ID:
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case 'c':
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if (optarg) {
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r = parse_boolean(optarg);
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if (r < 0)
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return log_error_errno(r, "Failed to parse --cgroup-id= value: %s", optarg);
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} else
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r = true;
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SET_FLAG(arg_output_flags, OUTPUT_CGROUP_ID, r);
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break;
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