Add Haskell client library for MailGun

Whichever package is on nixpkgs right now is broken, so I'm using `fetchGit` and
`callCabal2nix`.

Create Email module exposing a simplifies `send` function that partially applies
some of the configuration options.

1 files changed, 6 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
index bd31438b1957..811061186e2e 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,10 @@
 let
   pkgs = import <nixpkgs> {};
+  hailgun-src = builtins.fetchGit {
+    url = "https://bitbucket.org/echo_rm/hailgun.git";
+    rev = "9d5da7c902b2399e0fcf3d494ee04cf2bbfe7c9e";
+  };
+  hailgun = pkgs.haskellPackages.callCabal2nix "hailgun" hailgun-src {};
 in pkgs.mkShell {
   buildInputs = with pkgs; [
     (haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
@@ -11,6 +16,7 @@ in pkgs.mkShell {
       hpkgs.cryptonite
       hpkgs.uuid
       hpkgs.envy
+      hailgun
     ]))
   ];
 }