encfs: import from homebrew/fuse.

Formula/encfs.rb

@@ -0,0 +1,31 @@
+class Encfs < Formula
+  desc "Encrypted pass-through FUSE file system"
+  homepage "https://vgough.github.io/encfs/"
+  url "https://github.com/vgough/encfs/archive/v1.9.1.tar.gz"
+  sha256 "67203aeff7a06ce7be83df4948db296be89a00cffe1108a0a41c96d7481106a4"
+  head "https://github.com/vgough/encfs.git"
+
+  depends_on "cmake" => :build
+  depends_on "pkg-config" => :build
+  depends_on "boost"
+  depends_on "gettext"
+  depends_on "openssl"
+  depends_on :osxfuse
+
+  needs :cxx11
+
+  def install
+    ENV.cxx11
+
+    mkdir "build" do
+      system "cmake", "..", *std_cmake_args
+      system "make", "install"
+    end
+  end
+
+  test do
+    # Functional test violates sandboxing, so punt.
+    # Issue #50602; upstream issue vgough/encfs#151
+    assert_match version.to_s, shell_output("#{bin}/encfs 2>&1", 1)
+  end
+end