Add drafts

_drafts/homebrew-formula.md

@@ -0,0 +1,19 @@
+---
+title: Homebrew formula
+---
+
+brew create http://example.com/foo-0.1.tar.gz
+
+https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Formula-Cookbook.md#formula-cookbook
+
+  assert(this.ary.indexOf(zero) === two)
+
+
+```
+def install
+  system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
+  system "make", "install"
+  cd "build/cmake"
+  mv "a", "b"
+end
+```