From 29cccf1438c7891829cf3dd30911cb08ee9ec727 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Wed, 22 May 2019 02:47:51 -0300
Subject: Add formatNix subtask and use it as buildInput for test derivation

---
 default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/default.nix b/default.nix
index ae05252..9a8af74 100644
--- a/default.nix
+++ b/default.nix
@@ -63,6 +63,14 @@ with pkgs.stdenv; rec {
         touch $out
       '';
     });
+    formatNix = baseTask.overrideAttrs (baseAttrs: {
+      name = "${baseAttrs.name}-nixfmt";
+      buildInputs = baseAttrs.buildInputs ++ [nixfmt];
+      buildPhase = ''
+        diff <(nixfmt < default.nix) default.nix
+        touch $out
+      '';
+    });
     docs = baseTask.overrideAttrs (baseAttrs: {
       name = "${baseAttrs.name}-docs";
       buildInputs = [ websiteBuilder pandoc ];
@@ -86,6 +94,7 @@ with pkgs.stdenv; rec {
       subtasks.perlPodCheck
       subtasks.batsTest
       subtasks.perlInternalTest
+      subtasks.formatNix
     ];
     buildPhase = ''
       echo "Ran tests for:"
-- 
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