spiped 1.6.0

Closes #13123.

Signed-off-by: Alexander Hamann <neutric@users.noreply.github.com>

Formula/spiped.rb

@@ -1,8 +1,8 @@
 class Spiped < Formula
   desc "Secure pipe daemon"
   homepage "https://www.tarsnap.com/spiped.html"
-  url "https://www.tarsnap.com/spiped/spiped-1.5.0.tgz"
-  sha256 "b2f74b34fb62fd37d6e2bfc969a209c039b88847e853a49e91768dec625facd7"
+  url "https://www.tarsnap.com/spiped/spiped-1.6.0.tgz"
+  sha256 "e6f7f8f912172c3ad55638af8346ae7c4ecaa92aed6d3fb60f2bda4359cba1e4"
 
   bottle do
     cellar :any
@@ -19,6 +19,9 @@ class Spiped < Formula
   def install
     man1.mkpath
     system "bsdmake", "BINDIR_DEFAULT=#{bin}", "MAN1DIR=#{man1}", "install"
-    doc.install "spiped/README" => "README.spiped", "spipe/README" => "README.spipe"
+  end
+
+  test do
+    assert_match version.to_s, shell_output("#{bin}/spipe -v 2>&1")
   end
 end