terraform 0.11

- Also add alias for current version, terraform@0.12

Closes #40217.

Signed-off-by: Izaak Beekman <zbeekman@gmail.com>

Aliases/terraform@0.12

@@ -0,0 +1 @@
+../Formula/terraform.rb

Formula/terraform@0.11.rb

@@ -0,0 +1,65 @@
+class TerraformAT011 < Formula
+  desc "Tool to build, change, and version infrastructure"
+  homepage "https://www.terraform.io/"
+  url "https://github.com/hashicorp/terraform/archive/v0.11.14.tar.gz"
+  sha256 "50b75c94c4d3bfe44cfc12c740126747b6b34c014602777154356caa85a783f4"
+
+  keg_only :versioned_formula
+
+  depends_on "go" => :build
+  depends_on "gox" => :build
+
+  def install
+    ENV["GOPATH"] = buildpath
+    ENV.prepend_create_path "PATH", buildpath/"bin"
+
+    dir = buildpath/"src/github.com/hashicorp/terraform"
+    dir.install buildpath.children - [buildpath/".brew_home"]
+
+    cd dir 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"
+
+      ENV["XC_OS"] = "darwin"
+      ENV["XC_ARCH"] = "amd64"
+      system "make", "tools", "test", "bin"
+
+      bin.install "pkg/darwin_amd64/terraform"
+      prefix.install_metafiles
+    end
+  end
+
+  test do
+    minimal = testpath/"minimal.tf"
+    minimal.write <<~EOS
+      variable "aws_region" {
+          default = "us-west-2"
+      }
+
+      variable "aws_amis" {
+          default = {
+              eu-west-1 = "ami-b1cf19c6"
+              us-east-1 = "ami-de7ab6b6"
+              us-west-1 = "ami-3f75767a"
+              us-west-2 = "ami-21f78e11"
+          }
+      }
+
+      # Specify the provider and access details
+      provider "aws" {
+          access_key = "this_is_a_fake_access"
+          secret_key = "this_is_a_fake_secret"
+          region = "${var.aws_region}"
+      }
+
+      resource "aws_instance" "web" {
+        instance_type = "m1.small"
+        ami = "${lookup(var.aws_amis, var.aws_region)}"
+        count = 4
+      }
+    EOS
+    system "#{bin}/terraform", "init"
+    system "#{bin}/terraform", "graph"
+  end
+end