New formula: ttylog

Closes Homebrew/homebrew#31985.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/ttylog.rb

@@ -0,0 +1,23 @@
+require "formula"
+
+class Ttylog < Formula
+  homepage "http://ttylog.sourceforge.net/"
+  url "https://downloads.sourceforge.net/project/ttylog/ttylog/0.25/ttylog-0.25.tar.gz"
+  sha1 "02bb49066d861690439b351f06b0c3bdb203f06b"
+
+  depends_on "cmake" => :build
+
+  def install
+    mkdir "build" do
+      system "cmake", "..", *std_cmake_args
+      system "make"
+      system "make install"
+
+      bin.install sbin/"ttylog"
+    end
+  end
+
+  test do
+    system "#{bin}/ttylog", "-h"
+  end
+end