amber: migrate to amberframework/amber

Closes #31159.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Formula/amber.rb

@@ -1,42 +0,0 @@
-class Amber < Formula
-  desc "CLI client for generating and scaffolding Amber web applications"
-  homepage "https://www.amberframework.org/"
-  url "https://github.com/amberframework/amber/archive/v0.8.0.tar.gz"
-  sha256 "d2706633fccfbce4102077b7455595d0935f5a542d85c68b744eb129edd64c6b"
-
-  bottle do
-    rebuild 1
-    sha256 "f24fc9f842200552ccb96f325736293a80c2ac641d17841bab6080523895f892" => :high_sierra
-    sha256 "2df68ee8f81181e2bd3ef81533be781156e7b57e1003d24c34c3efa84fbcb387" => :sierra
-    sha256 "37fc3b2e4f444f20c587e190850e460f0973a21125e813d1c3f9fc863caeae69" => :el_capitan
-  end
-
-  depends_on "crystal"
-
-  def install
-    system "shards", "install"
-    system "make", "install", "PREFIX=#{prefix}"
-  end
-
-  test do
-    output = shell_output("#{bin}/amber new test_app")
-    %w[
-      config/environments
-      amber.yml
-      shard.yml
-      public
-      src/controllers
-      src/views
-      src/assets
-      src/test_app.cr
-    ].each do |path|
-      assert_match path, output
-    end
-
-    cd "test_app" do
-      build_app = shell_output("shards build test_app")
-      assert_match "Building", build_app
-      assert_predicate testpath/"test_app/bin/test_app", :exist?
-    end
-  end
-end

tap_migrations.json

@@ -1,5 +1,6 @@
 {
   "adobe-air-sdk": "homebrew/cask",
+  "amber": "amberframework/amber",
   "android-ndk": "homebrew/cask",
   "android-platform-tools": "homebrew/cask",
   "android-sdk": "homebrew/cask",