Update flutter from 1.20.2 to 2.2.0 (#5805)

packages/flutter.rb

@@ -3,32 +3,48 @@ require 'package'
 class Flutter < Package
   description "Flutter is Google's UI toolkit for building beautiful, natively compiled applications for mobile, web, and desktop from a single codebase."
   homepage 'https://flutter.dev/'
-  version '1.20.2'
+  version '2.2.0'
   license 'BSD-3'
   compatibility 'all'
-  source_url 'https://github.com/flutter/flutter/archive/1.20.2.tar.gz'
-  source_sha256 'b4086649d29f85d035ec38c27e383f8989382241331d2e352f12cc00a6b8c96b'
+  source_url 'https://github.com/flutter/flutter.git'
+  git_hashtag version
 
   depends_on 'libglu'
 
+  def self.build
+    system 'bin/flutter'
+  end
+
   def self.install
-    system "git clone https://github.com/flutter/flutter.git -b #{version} --depth 1"
     FileUtils.mkdir_p CREW_DEST_HOME
     FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
-    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/share"
-    FileUtils.cp_r 'flutter/', "#{CREW_DEST_PREFIX}/share"
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/share/flutter"
+    FileUtils.cp_r Dir['.'], "#{CREW_DEST_PREFIX}/share/flutter"
     FileUtils.touch "#{CREW_DEST_HOME}/.flutter_tool_state"
+    unless File.exist? "#{CREW_PREFIX}/bin/dart"
       FileUtils.ln_sf "#{CREW_PREFIX}/share/flutter/bin/dart", "#{CREW_DEST_PREFIX}/bin/dart"
+    end
     FileUtils.ln_sf "#{CREW_PREFIX}/share/flutter/bin/flutter", "#{CREW_DEST_PREFIX}/bin/flutter"
   end
 
   def self.postinstall
-    puts
-    puts "Type 'flutter' to get started.".lightblue
-    puts
-    puts "To uninstall, execute the following:".lightblue
-    puts "crew remove flutter".lightblue
-    puts "rm -rf #{CREW_PREFIX}/share/flutter".lightblue
-    puts
+    puts "\nType 'flutter' to get started.\n".lightblue
+  end
+
+  def self.remove
+    print "Would you like to remove the config directories? [y/N] "
+    response = STDIN.getc
+    config_dirs = ["#{HOME}/.flutter", "#{CREW_PREFIX}/share/flutter"]
+    config_dirs.each { |config_dir|
+      if Dir.exists? config_dir
+        case response
+        when "y", "Y"
+          FileUtils.rm_rf config_dir
+          puts "#{config_dir} removed.".lightred
+        else
+          puts "#{config_dir} saved.".lightgreen
+        end
+      end
+    }
   end
 end