Update (periodic rebuild)

I originally meant to run this before adding haproxy, but accidentally
pushed that into my branch.  If you'd like to see that content, it's at
414ad25c3a.

ftplugin/nix.vim

@@ -11,7 +11,12 @@ endif
 let b:did_ftplugin = 1
 
 
-setlocal comments=:#
-setlocal commentstring=#\ %s
+setlocal
+    \ comments=:#
+    \ commentstring=#\ %s
+    \ shiftwidth=2
+    \ softtabstop=2
+    \ expandtab
+    \ iskeyword+=-
 
 endif