util: introduce common version() implementation and use it everywhere

This also allows us to drop build.h from a ton of files, hence do so.
Since we touched the #includes of those files, let's order them properly
according to CODING_STYLE.

1 files changed, 14 insertions, 16 deletions

diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index be52518161..efd6c5f4b0 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -19,31 +19,31 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <unistd.h>
 #include <errno.h>
-#include <string.h>
 #include <getopt.h>
 #include <locale.h>
+#include <string.h>
+#include <unistd.h>
 
 #include "sd-bus.h"
-#include "bus-util.h"
+
 #include "bus-error.h"
+#include "bus-util.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
 #include "log.h"
-#include "util.h"
+#include "logs-show.h"
 #include "macro.h"
 #include "pager.h"
-#include "build.h"
+#include "process-util.h"
+#include "signal-util.h"
+#include "spawn-polkit-agent.h"
 #include "strv.h"
-#include "unit-name.h"
 #include "sysfs-show.h"
-#include "logs-show.h"
-#include "cgroup-show.h"
-#include "cgroup-util.h"
-#include "spawn-polkit-agent.h"
-#include "verbs.h"
-#include "process-util.h"
 #include "terminal-util.h"
-#include "signal-util.h"
+#include "unit-name.h"
+#include "util.h"
+#include "verbs.h"
 
 static char **arg_property = NULL;
 static bool arg_all = false;
@@ -1416,9 +1416,7 @@ static int parse_argv(int argc, char *argv[]) {
                         return 0;
 
                 case ARG_VERSION:
-                        puts(PACKAGE_STRING);
-                        puts(SYSTEMD_FEATURES);
-                        return 0;
+                        return version();
 
                 case 'p': {
                         r = strv_extend(&arg_property, optarg);