Run apt-get update in initial bootstrap.

For eg, Linode, which brings up hosts that have not updated at all so
apt-get install doesn't work.

debian/changelog

@@ -1,3 +1,9 @@
+propellor (0.8.1) UNRELEASED; urgency=medium
+
+  * Run apt-get update in initial bootstrap.
+
+ -- Joey Hess <joeyh@debian.org>  Mon, 07 Jul 2014 02:03:46 -0400
+
 propellor (0.8.0) unstable; urgency=medium
 
   * Completely reworked privdata storage. There is now a single file,

src/Propellor/CmdLine.hs

@@ -210,7 +210,8 @@ spin hn hst = do
 	bootstrapcmd = shellWrap $ intercalate " ; "
 		[ "if [ ! -d " ++ localdir ++ " ]"
 		, "then " ++ intercalate " && "
-			[ "apt-get --no-install-recommends --no-upgrade -y install git make"
+			[ "apt-get update"
+			, "apt-get --no-install-recommends --no-upgrade -y install git make"
 			, "echo " ++ toMarked statusMarker (show NeedGitClone)
 			]
 		, "else " ++ intercalate " && "