kestrel: style cleanup

Formula/kestrel.rb

@@ -9,37 +9,33 @@ class Kestrel < Formula
   def install
     inreplace "scripts/kestrel.sh" do |s|
       s.change_make_var! "APP_HOME", libexec
-
       # Fix var paths.
-      s.gsub! "/var/", "/#{var}/"
-
+      s.gsub! "/var", var
       # Fix path to script in help message.
       s.gsub! "Usage: /etc/init.d/${APP_NAME}.sh", "Usage: kestrel"
-
       # Don't call ulimit as not root.
       s.gsub! "ulimit -", "# ulimit -"
     end
 
-    inreplace "config/production.scala" do |s|
-      # Fix var paths.
-      s.gsub! "/var/", "/#{var}/"
-    end
+    inreplace "config/production.scala", "/var", var
 
     libexec.install Dir["*"]
     (libexec/"scripts/kestrel.sh").chmod 0755
     (libexec/"scripts/devel.sh").chmod 0755
 
-    (var/"log/kestrel").mkpath
-    (var/"run/kestrel").mkpath
-    (var/"spool/kestrel").mkpath
-
     (bin/"kestrel").write <<-EOS.undent
       #!/bin/bash
       exec "#{libexec}/scripts/kestrel.sh" "$@"
     EOS
   end
 
+  def post_install
+    (var/"log/kestrel").mkpath
+    (var/"run/kestrel").mkpath
+    (var/"spool/kestrel").mkpath
+  end
+
   test do
-    system "#{bin}/kestrel", "status"
+    system bin/"kestrel", "status"
   end
 end