install: various improvements

Rename --start to --realize, to make things less confusing when doing
"systemctl stop --realize foo.service".

Introduce --realize=reload.

Don't talk to systemd when run within a chroot, or when systemd isn't
running.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 5d51c07e2f..1a4c440ba5 100644
--- a/src/util.h
+++ b/src/util.h
@@ -330,6 +330,8 @@ void status_welcome(void);
 
 int columns(void);
 
+int running_in_chroot(void);
+
 const char *ioprio_class_to_string(int i);
 int ioprio_class_from_string(const char *s);