Update nano from 2.8.7 to 2.9.0

This is a bugfix and maintenance release.

Tested as working on Samsung Chromebook Plus (aarch64).

packages/nano.rb

@@ -3,33 +3,26 @@ require 'package'
 class Nano < Package
   description 'Nano\'s ANOther editor, an enhanced free Pico clone.'
   homepage 'https://www.nano-editor.org/'
-  version '2.8.7'
-  source_url 'https://www.nano-editor.org/dist/v2.8/nano-2.8.7.tar.xz'
-  source_sha256 'fbe31746958698d73c6726ee48ad8b0612697157961a2e9aaa83b4aa53d1165a'
+  version '2.9.0'
+  source_url 'https://www.nano-editor.org/dist/v2.9/nano-2.9.0.tar.xz'
+  source_sha256 'd2d30c39caef53aba1ec1b4baff4186d4496f35d2411b0848242a5f2e27e129e'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/nano-2.8.7-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/nano-2.8.7-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/nano-2.8.7-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/nano-2.8.7-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '742a93d42fd8f11ce1af41c4d09dc693c2837a6bda2cd6d1b31c9745e412acf6',
-     armv7l: '742a93d42fd8f11ce1af41c4d09dc693c2837a6bda2cd6d1b31c9745e412acf6',
-       i686: '6e146aad6426965477de0ff619d17cd764a59c806fd9dfb883a78d892ce1ef8f',
-     x86_64: 'b24e555f0d859c30deb50c2c1e754812dfbb790091d031a15c1defa8e71cd4e3',
   })
 
-  depends_on 'buildessential'
   depends_on 'ncurses'
   depends_on 'filecmd'
 
   def self.build
-    system "./configure CPPFLAGS=\"-I/usr/local/include/ncurses\""
-    system "make"
+    system "./configure \
+              --prefix=#{CREW_PREFIX} \
+              CPPFLAGS=\"-I#{CREW_PREFIX}/include/ncurses\""
+    system 'make'
   end
 
   def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
   end
 end