dfix 0.2.2 (new formula)

Closes Homebrew/homebrew#42506.

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

Formula/dfix.rb

@@ -0,0 +1,29 @@
+class Dfix < Formula
+  desc "Auto-upgrade tool for D source code"
+  homepage "https://github.com/Hackerpilot/dfix"
+  url "https://github.com/Hackerpilot/dfix.git",
+      :tag => "v0.2.2",
+      :revision => "ee55825b695fce94a337ab6a2009366372649d46"
+
+  head "https://github.com/Hackerpilot/dfix.git", :shallow => false
+
+  depends_on "dmd" => :build
+
+  def install
+    system "make"
+    system "make", "test"
+    bin.install "bin/dfix"
+    pkgshare.install "test/testfile_expected.d", "test/testfile_master.d"
+  end
+
+  test do
+    system "#{bin}/dfix", "--help"
+
+    cp "#{pkgshare}/testfile_master.d", "testfile.d"
+    system "#{bin}/dfix", "testfile.d"
+    system "diff", "testfile.d", "#{pkgshare}/testfile_expected.d"
+    # Make sure that running dfix on the output of dfix changes nothing.
+    system "#{bin}/dfix", "testfile.d"
+    system "diff", "testfile.d", "#{pkgshare}/testfile_expected.d"
+  end
+end