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-rw-r--r--man/systemctl.xml10
-rw-r--r--src/login/loginctl.c2
-rw-r--r--src/shared/bus-util.c42
-rw-r--r--src/shared/bus-util.h2
-rw-r--r--src/systemctl/systemctl.c78
5 files changed, 87 insertions, 47 deletions
diff --git a/man/systemctl.xml b/man/systemctl.xml
index 1480bf8380..089fb0f5c3 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -233,6 +233,16 @@
</varlistentry>
<varlistentry>
+ <term><option>--value</option></term>
+
+ <listitem>
+ <para>When printing properties with <command>show</command>,
+ only print the value, and skip the property name and
+ <literal>=</literal>.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>--show-types</option></term>
<listitem>
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index c9a5cd796b..2e8405a946 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -757,7 +757,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
break;
}
- r = bus_print_property(name, m, arg_all);
+ r = bus_print_property(name, m, false, arg_all);
if (r < 0)
return bus_log_parse_error(r);
diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index b102a79da8..85f8280773 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -712,7 +712,15 @@ int bus_connect_user_systemd(sd_bus **_bus) {
return 0;
}
-int bus_print_property(const char *name, sd_bus_message *property, bool all) {
+#define print_property(name, fmt, ...) \
+ do { \
+ if (value) \
+ printf(fmt "\n", __VA_ARGS__); \
+ else \
+ printf("%s=" fmt "\n", name, __VA_ARGS__); \
+ } while(0)
+
+int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all) {
char type;
const char *contents;
int r;
@@ -740,7 +748,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (!escaped)
return -ENOMEM;
- printf("%s=%s\n", name, escaped);
+ print_property(name, "%s", escaped);
}
return 1;
@@ -753,7 +761,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (r < 0)
return r;
- printf("%s=%s\n", name, yes_no(b));
+ print_property(name, "%s", yes_no(b));
return 1;
}
@@ -773,14 +781,14 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
t = format_timestamp(timestamp, sizeof(timestamp), u);
if (t || all)
- printf("%s=%s\n", name, strempty(t));
+ print_property(name, "%s", strempty(t));
} else if (strstr(name, "USec")) {
char timespan[FORMAT_TIMESPAN_MAX];
- printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0));
+ print_property(name, "%s", format_timespan(timespan, sizeof(timespan), u, 0));
} else
- printf("%s=%llu\n", name, (unsigned long long) u);
+ print_property(name, "%"PRIu64, u);
return 1;
}
@@ -792,7 +800,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (r < 0)
return r;
- printf("%s=%lld\n", name, (long long) i);
+ print_property(name, "%"PRIi64, i);
return 1;
}
@@ -805,9 +813,9 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
return r;
if (strstr(name, "UMask") || strstr(name, "Mode"))
- printf("%s=%04o\n", name, u);
+ print_property(name, "%04o", u);
else
- printf("%s=%u\n", name, (unsigned) u);
+ print_property(name, "%"PRIu32, u);
return 1;
}
@@ -819,7 +827,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (r < 0)
return r;
- printf("%s=%i\n", name, (int) i);
+ print_property(name, "%"PRIi32, i);
return 1;
}
@@ -830,7 +838,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (r < 0)
return r;
- printf("%s=%g\n", name, d);
+ print_property(name, "%g", d);
return 1;
}
@@ -846,7 +854,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
while ((r = sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) > 0) {
_cleanup_free_ char *escaped = NULL;
- if (first)
+ if (first && !value)
printf("%s=", name);
escaped = xescape(str, "\n ");
@@ -860,7 +868,7 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (r < 0)
return r;
- if (first && all)
+ if (first && all && !value)
printf("%s=", name);
if (!first || all)
puts("");
@@ -882,7 +890,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (all || n > 0) {
unsigned int i;
- printf("%s=", name);
+ if (!value)
+ printf("%s=", name);
for (i = 0; i < n; i++)
printf("%02x", u[i]);
@@ -903,7 +912,8 @@ int bus_print_property(const char *name, sd_bus_message *property, bool all) {
if (all || n > 0) {
unsigned int i;
- printf("%s=", name);
+ if (!value)
+ printf("%s=", name);
for (i = 0; i < n; i++)
printf("%08x", u[i]);
@@ -960,7 +970,7 @@ int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, ch
if (r < 0)
return r;
- r = bus_print_property(name, reply, all);
+ r = bus_print_property(name, reply, false, all);
if (r < 0)
return r;
if (r == 0) {
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h
index fcda1b2c6c..65eca9ac56 100644
--- a/src/shared/bus-util.h
+++ b/src/shared/bus-util.h
@@ -78,7 +78,7 @@ int bus_connect_user_systemd(sd_bus **_bus);
int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
int bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
-int bus_print_property(const char *name, sd_bus_message *property, bool all);
+int bus_print_property(const char *name, sd_bus_message *property, bool value, bool all);
int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all);
int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 180c8f9656..57e62a607b 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -103,6 +103,7 @@ static bool arg_no_pager = false;
static bool arg_no_wtmp = false;
static bool arg_no_wall = false;
static bool arg_no_reload = false;
+static bool arg_value = false;
static bool arg_show_types = false;
static bool arg_ignore_inhibitors = false;
static bool arg_dry = false;
@@ -4111,6 +4112,14 @@ skip:
return 0;
}
+#define print_prop(name, fmt, ...) \
+ do { \
+ if (arg_value) \
+ printf(fmt "\n", __VA_ARGS__); \
+ else \
+ printf("%s=" fmt "\n", name, __VA_ARGS__); \
+ } while(0)
+
static int print_property(const char *name, sd_bus_message *m, const char *contents) {
int r;
@@ -4138,9 +4147,9 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
if (u > 0)
- printf("%s=%"PRIu32"\n", name, u);
+ print_prop(name, "%"PRIu32, u);
else if (arg_all)
- printf("%s=\n", name);
+ print_prop(name, "%s", "");
return 0;
@@ -4152,7 +4161,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
if (arg_all || !isempty(s))
- printf("%s=%s\n", name, s);
+ print_prop(name, "%s", s);
return 0;
@@ -4164,7 +4173,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
if (arg_all || !isempty(a) || !isempty(b))
- printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
+ print_prop(name, "%s \"%s\"", strempty(a), strempty(b));
return 0;
} else if (streq_ptr(name, "SystemCallFilter")) {
@@ -4191,8 +4200,10 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
bool first = true;
char **i;
- fputs(name, stdout);
- fputc('=', stdout);
+ if (!arg_value) {
+ fputs(name, stdout);
+ fputc('=', stdout);
+ }
if (!whitelist)
fputc('~', stdout);
@@ -4224,7 +4235,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
- printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
+ print_prop("EnvironmentFile", "%s (ignore_errors=%s)\n", path, yes_no(ignore));
if (r < 0)
return bus_log_parse_error(r);
@@ -4243,7 +4254,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
- printf("%s=%s\n", type, path);
+ print_prop(type, "%s", path);
if (r < 0)
return bus_log_parse_error(r);
@@ -4261,7 +4272,10 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
- printf("Listen%s=%s\n", type, path);
+ if (arg_value)
+ puts(path);
+ else
+ printf("Listen%s=%s\n", type, path);
if (r < 0)
return bus_log_parse_error(r);
@@ -4282,10 +4296,9 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) {
char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
- printf("%s={ value=%s ; next_elapse=%s }\n",
- base,
- format_timespan(timespan1, sizeof(timespan1), value, 0),
- format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
+ print_prop(base, "{ value=%s ; next_elapse=%s }",
+ format_timespan(timespan1, sizeof(timespan1), value, 0),
+ format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
}
if (r < 0)
return bus_log_parse_error(r);
@@ -4309,18 +4322,18 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
tt = strv_join(info.argv, " ");
- printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n",
- name,
- strna(info.path),
- strna(tt),
- yes_no(info.ignore),
- strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
- strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
- info.pid,
- sigchld_code_to_string(info.code),
- info.status,
- info.code == CLD_EXITED ? "" : "/",
- strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
+ print_prop(name,
+ "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
+ strna(info.path),
+ strna(tt),
+ yes_no(info.ignore),
+ strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+ strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+ info.pid,
+ sigchld_code_to_string(info.code),
+ info.status,
+ info.code == CLD_EXITED ? "" : "/",
+ strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
free(info.path);
strv_free(info.argv);
@@ -4341,7 +4354,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
- printf("%s=%s %s\n", name, strna(path), strna(rwm));
+ print_prop(name, "%s %s", strna(path), strna(rwm));
if (r < 0)
return bus_log_parse_error(r);
@@ -4360,7 +4373,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
- printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
+ print_prop(name, "%s %"PRIu64, strna(path), weight);
if (r < 0)
return bus_log_parse_error(r);
@@ -4379,7 +4392,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
- printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
+ print_prop(name, "%s %"PRIu64, strna(path), bandwidth);
if (r < 0)
return bus_log_parse_error(r);
@@ -4393,7 +4406,7 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
break;
}
- r = bus_print_property(name, m, arg_all);
+ r = bus_print_property(name, m, arg_value, arg_all);
if (r < 0)
return bus_log_parse_error(r);
@@ -6238,6 +6251,7 @@ static void systemctl_help(void) {
" --job-mode=MODE Specify how to deal with already queued jobs, when\n"
" queueing a new job\n"
" --show-types When showing sockets, explicitly show their type\n"
+ " --value When showing properties, only print the value\n"
" -i --ignore-inhibitors\n"
" When shutting down or sleeping, ignore inhibitors\n"
" --kill-who=WHO Who to send signal to\n"
@@ -6489,6 +6503,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
ARG_SHOW_TYPES,
ARG_IRREVERSIBLE,
ARG_IGNORE_DEPENDENCIES,
+ ARG_VALUE,
ARG_VERSION,
ARG_USER,
ARG_SYSTEM,
@@ -6530,6 +6545,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
{ "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
{ "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
{ "ignore-inhibitors", no_argument, NULL, 'i' },
+ { "value", no_argument, NULL, ARG_VALUE },
{ "user", no_argument, NULL, ARG_USER },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "global", no_argument, NULL, ARG_GLOBAL },
@@ -6681,6 +6697,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
arg_show_types = true;
break;
+ case ARG_VALUE:
+ arg_value = true;
+ break;
+
case ARG_JOB_MODE:
arg_job_mode = optarg;
break;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-08 16:52:19 +0000