units: fix rescue.service race with plymouth

It was possible for the "ExecStartPre=-/bin/plymouth quit" to race
with plymouth-start.service which is pulled in indirectly by
basic.target -> sysinit.target.

The race left plymouth running on the terminal, making it unusable for
rescue purposes.

https://bugzilla.redhat.com/show_bug.cgi?id=710487

diff --git a/units/rescue.service.m4 b/units/rescue.service.m4
index 8f29de8a15c038471cec5921f311df433be74278..19b30d89f95f8714bfe7ea94d1fa9bab70b70f6a 100644 (file)
--- a/units/rescue.service.m4
+++ b/units/rescue.service.m4
@@ -11,7 +11,7 @@
 Description=Rescue Shell
 DefaultDependencies=no
 Conflicts=shutdown.target
-After=basic.target
+After=basic.target plymouth-start.service
 Before=shutdown.target
 
 [Service]