terraform 0.7.6

Closes #5914.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/terraform.rb

@@ -3,8 +3,8 @@ require "language/go"
 class Terraform < Formula
   desc "Tool to build, change, and version infrastructure"
   homepage "https://www.terraform.io/"
-  url "https://github.com/hashicorp/terraform/archive/v0.7.5.tar.gz"
-  sha256 "996411c27c2754005583db2283762d66aa453e6d7b9f49a39db62660307a3a99"
+  url "https://github.com/hashicorp/terraform/archive/v0.7.6.tar.gz"
+  sha256 "549a983d248549d5ec4adb3224c27cc3e6fbe87e1654e6851fe6e92d1c953cb1"
   head "https://github.com/hashicorp/terraform.git"
 
   bottle do
@@ -17,8 +17,10 @@ class Terraform < Formula
   depends_on "go" => :build
 
   terraform_deps = %w[
-    github.com/mitchellh/gox 770c39f64e66797aa46b70ea953ff57d41658e40
+    github.com/mitchellh/gox c9740af9c6574448fd48eb30a71f964014c7a837
     github.com/mitchellh/iochan 87b45ffd0e9581375c491fef3d32130bb15c5bd7
+    github.com/kisielk/errcheck 9c1292e1c962175f76516859f4a88aabd86dc495
+    github.com/kisielk/gotool 5e136deb9b893bbe6c8f23236ff4378b7a8a0dbb
   ]
 
   terraform_deps.each_slice(2) do |x, y|
@@ -29,7 +31,7 @@ class Terraform < Formula
 
   go_resource "golang.org/x/tools" do
     url "https://go.googlesource.com/tools.git",
-        :revision => "977844c7af2aa555048a19d28e9fe6c392e7b8e9"
+        :revision => "26c35b4dcf6dfcb924e26828ed9f4d028c5ce05a"
   end
 
   def install
@@ -52,21 +54,27 @@ class Terraform < Formula
       buildpath.install "stringer"
     end
 
+    cd "src/github.com/kisielk/errcheck" do
+      system "go", "build"
+      buildpath.install "errcheck"
+    end
+
     cd terrapath do
       # v0.6.12 - source contains tests which fail if these environment variables are set locally.
       ENV.delete "AWS_ACCESS_KEY"
       ENV.delete "AWS_SECRET_KEY"
 
-      terraform_files = `go list ./...`.lines.map { |f| f.strip unless f.include? "/vendor/" }.compact
-      system "go", "test", *terraform_files
+      # Runs format check and test suite via makefile
+      ENV.deparallelize { system "make", "test", "vet" }
 
-      mkdir "bin"
+      # Generate release binary
       arch = MacOS.prefer_64_bit? ? "amd64" : "386"
-      system "gox",
-        "-arch", arch,
-        "-os", "darwin",
-        "-output", "bin/terraform-{{.Dir}}", *terraform_files
-      bin.install "bin/terraform-terraform" => "terraform"
+      ENV["XC_OS"] = "darwin"
+      ENV["XC_ARCH"] = arch
+      system "make", "bin"
+
+      # Install release binary
+      bin.install "pkg/darwin_#{arch}/terraform"
       zsh_completion.install "contrib/zsh-completion/_terraform"
     end
   end