Add gzrt package

Add pre-built binaries

packages/gzrt.rb

@@ -0,0 +1,37 @@
+require 'package'
+
+class Gzrt < Package
+  description 'The gzip Recovery Toolkit'
+  homepage 'https://www.urbanophile.com/arenn/hacking/gzrt/gzrt.html'
+  version '0.8'
+  source_url 'https://www.urbanophile.com/arenn/hacking/gzrt/gzrt-0.8.tar.gz'
+  source_sha256 'b0b7dc53dadd8309ad9f43d6d6be7ac502c68ef854f1f9a15bd7f543e4571fee'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/gzrt-0.8-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/gzrt-0.8-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/gzrt-0.8-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/gzrt-0.8-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '44e91f1d6773e9c0db2be22353d40507332514cb9315b16ccb25511ff06e04e4',
+     armv7l: '44e91f1d6773e9c0db2be22353d40507332514cb9315b16ccb25511ff06e04e4',
+       i686: '312e7643814a129065f2d03a49442283496142cc5c10dd7ec8bf90fdacc06b42',
+     x86_64: '1a929a0a227e7b9498d72db847efe801700074a7be34b31d83e40f65825ffad9',
+  })
+
+  def self.build
+    system 'make'
+  end
+
+  def self.install
+    system "install -Dm755 gzrecover #{CREW_DEST_PREFIX}/bin/gzrecover"
+    system "install -Dm644 gzrecover.1 #{CREW_DEST_PREFIX}/share/man/man1/gzrecover.1"
+  end
+
+  def self.postinstall
+    puts
+    puts "Type 'gzrecover -h' to get started.".lightblue
+    puts
+  end
+end