install systemd on clam and then reboot

Host/clam.hs

@@ -3,18 +3,21 @@ import qualified Property.Apt as Apt
 import qualified Property.Ssh as Ssh
 import qualified Property.User as User
 import qualified Property.GitHome as GitHome
+import qualified Property.Reboot as Reboot
 
 main = defaultMain
 	[ Apt.stdSourcesList Apt.Unstable `onChange` Apt.upgrade
 	, Apt.installed ["etckeeper"]
 	, Apt.installed ["ssh"]
 	, Apt.installed ["git", "myrepos"]
-	, GitHome.installed "root"
+	, GitHome.installedFor "root"
 	, check (Ssh.hasAuthorizedKeys "root") $
 		Ssh.passwordAuthentication False
 	, User.nonsystem "joey"
+	, Apt.installed ["sudo"]
 	, fileHasContent "/etc/sudoers" ["joey ALL=(ALL:ALL) ALL"]
-	, GitHome.installed "joey"
+	, GitHome.installedFor "joey"
 	, Apt.removed ["exim4"] `onChange` Apt.autoRemove
 	, Apt.installed ["tor"]
+	, Apt.installed ["systemd-sysv"] `onChange` Reboot.scheduled "+10"
 	]

Property/GitHome.hs

@@ -13,8 +13,8 @@ import Utility.Monad
 import Utility.Exception
 
 {- Clones Joey Hess's git home directory, and runs its fixups script. -}
-installed :: UserName -> Property
-installed user = check (not <$> hasGitDir user) $ 
+installedFor :: UserName -> Property
+installedFor user = check (not <$> hasGitDir user) $ 
 	IOProperty ("githome " ++ user) (go =<< homedir user)
   where
  	go Nothing = noChange

Property/Reboot.hs

@@ -0,0 +1,8 @@
+module Property.Reboot where
+
+import Property
+import Utility.SafeCommand
+
+{- Use eg, "+5" to reboot in 5 minutes. -}
+scheduled :: String -> Property
+scheduled rebootwhen = cmdProperty "shutdown" [ Param "-r", Param rebootwhen ]

TODO

@@ -0,0 +1,4 @@
+* Need a way to run an action when a property changes, but only
+  run it once for the whole. For example, may want to restart apache,
+  but only once despite many config changes being made to satisfy
+  properties. onChange is a poor substitute.