update homebrew formula to include sha256 digest

pup.rb

@@ -1,15 +1,15 @@
-# This file was generated by release.py
+# This file was generated by release.sh
 require 'formula'
 class Pup < Formula
-  homepage 'https://github.com/EricChiang/pup'
-  version '0.3.9'
+  homepage 'https://github.com/ericchiang/pup'
+  version '0.4.0'
 
   if Hardware.is_64_bit?
-    url 'https://github.com/EricChiang/pup/releases/download/v0.3.9/pup_darwin_amd64.zip'
-    sha1 'cc7cfc54567eb5b6d6ffdb1784e5c8e462845cca'
+    url 'https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_darwin_amd64.zip'
+    sha256 'c539a697efee2f8e56614a54cb3b215338e00de1f6a7c2fa93144ab6e1db8ebe'
   else
-    url 'https://github.com/EricChiang/pup/releases/download/v0.3.9/pup_darwin_386.zip'
-    sha1 'f83ddac28176bcaca8f80e8182064f7cef62595b'
+    url 'https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_darwin_386.zip'
+    sha256 '75c27caa0008a9cc639beb7506077ad9f32facbffcc4e815e999eaf9588a527e'
   end
 
   def install

release.sh

@@ -51,10 +51,10 @@ class Pup < Formula
   version '0.4.0'
 
   if Hardware.is_64_bit?
-    url 'https://github.com/ericchiang/pup/releases/download/${VERSION}/${DARWIN_AMD64}'
+    url 'https://github.com/ericchiang/pup/releases/download/v${VERSION}/${DARWIN_AMD64}'
     sha256 '$( sha256sum dist/${DARWIN_AMD64}  | awk '{ print $1 }' | xargs printf )'
   else
-    url 'https://github.com/ericchiang/pup/releases/download/${VERSION}/${DARWIN_386}'
+    url 'https://github.com/ericchiang/pup/releases/download/v${VERSION}/${DARWIN_386}'
     sha256 '$( sha256sum dist/${DARWIN_386}  | awk '{ print $1 }' | xargs printf )'
   end