chisel 1.0.0

Closes Homebrew/homebrew#27271.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/chisel.rb

@@ -0,0 +1,25 @@
+require "formula"
+
+class Chisel < Formula
+  homepage "https://github.com/facebook/chisel"
+  url "https://github.com/facebook/chisel/archive/1.0.0.zip"
+  sha1 "78e1c10d6e1e625291377aac1b27487d210bb04e"
+
+  def install
+    libexec.install Dir["*.py", "commands"]
+    prefix.install "PATENTS"
+  end
+
+  def caveats; <<-EOS.undent
+    Add the following line to ~/.lldbinit to load chisel when Xcode launches:
+      command script import #{libexec}/fblldb.py
+    EOS
+  end
+
+  test do
+    xcode_path = `xcode-select --print-path`.strip
+    lldb_rel_path = "Contents/SharedFrameworks/LLDB.framework/Resources/Python"
+    ENV["PYTHONPATH"] = "#{xcode_path}/../../#{lldb_rel_path}"
+    system "python #{libexec}/fblldb.py"
+  end
+end