stack.yaml: Added nix packages section.

Thanks, Sean T Parsons

CHANGELOG

@@ -5,6 +5,8 @@ git-annex (6.20171019) UNRELEASED; urgency=medium
   * Windows: Remove wget from bundle; it needs libraries that are not
     included, and git for windows includes curl which git-annex will use
     instead.
+  * stack.yaml: Added nix packages section.
+    Thanks, Sean T Parsons 
 
  -- Joey Hess <id@joeyh.name>  Tue, 24 Oct 2017 13:12:52 -0400
 

stack.yaml

@@ -24,3 +24,11 @@ extra-deps:
 explicit-setup-deps:
   git-annex: true
 resolver: lts-9.9
+nix:
+  packages:
+    - ncurses
+    - icu
+    - libcxx
+    - gcc
+    - zlib
+    - rsync