systemctl: pretty-print ExtensionImages property

Complex type, so without explicit support 'systemctl show' just prints [unprintable]

(cherry picked from commit 60c16c5cf3458199646cbda9dfe7763b6ba8b62f)

1 files changed, 56 insertions, 0 deletions

diff --git a/src/systemctl/systemctl-show.c b/src/systemctl/systemctl-show.c
index 1f524626bf..3bc9fd4920 100644
--- a/src/systemctl/systemctl-show.c
+++ b/src/systemctl/systemctl-show.c
@@ -1694,6 +1694,62 @@ static int print_property(const char *name, const char *expected_value, sd_bus_m
 
                         return 1;
 
+                } else if (streq(name, "ExtensionImages")) {
+                        _cleanup_free_ char *paths = NULL;
+
+                        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sba(ss))");
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        for (;;) {
+                                _cleanup_free_ char *str = NULL;
+                                const char *source, *partition, *mount_options;
+                                int ignore_enoent;
+
+                                r = sd_bus_message_enter_container(m, 'r', "sba(ss)");
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+                                if (r == 0)
+                                        break;
+
+                                r = sd_bus_message_read(m, "sb", &source, &ignore_enoent);
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+
+                                str = strjoin(ignore_enoent ? "-" : "", source);
+                                if (!str)
+                                        return log_oom();
+
+                                r = sd_bus_message_enter_container(m, 'a', "(ss)");
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+
+                                while ((r = sd_bus_message_read(m, "(ss)", &partition, &mount_options)) > 0)
+                                        if (!strextend_with_separator(&str, ":", partition, mount_options))
+                                                return log_oom();
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+
+                                if (!strextend_with_separator(&paths, " ", str))
+                                        return log_oom();
+
+                                r = sd_bus_message_exit_container(m);
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+
+                                r = sd_bus_message_exit_container(m);
+                                if (r < 0)
+                                        return bus_log_parse_error(r);
+                        }
+
+                        r = sd_bus_message_exit_container(m);
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        bus_print_property_value(name, expected_value, flags, paths);
+
+                        return 1;
+
                 } else if (streq(name, "BPFProgram")) {
                         const char *a, *p;