Fixes xcode version finder

It was finding a beta version despite the release one being already available (11.4 beta instead of 11.4).
Now it tries to match the name first and when nothing matches it falls back to matching version.

Resolves xcpretty/xcode-install#381

Solution proposed here: xcpretty/xcode-install#381 (comment).

Author: robertwijas

lib/xcode/install.rb

@@ -168,8 +168,12 @@ def find_xcode_version(version)
 
       seedlist.each do |current_seed|
         return current_seed if current_seed.name == version
+      end
+
+      seedlist.each do |current_seed|
         return current_seed if parsed_version && current_seed.version == parsed_version
       end
+      
       nil
     end
 

spec/installer_spec.rb

@@ -98,4 +98,24 @@ module XcodeInstall
       percentages.count.should.be.close(8, 4)
     end
   end
+
+  describe '#find_xcode_version' do
+    it 'should find the one with the matching name' do
+      installer = Installer.new
+
+      xcodes = [
+        XcodeInstall::Xcode.new('name' => '11.4 beta 2',
+          'files' => [{
+            'remotePath' => '/Developer_Tools/Xcode_11.4_beta_2/Xcode_11.4_beta_2.xip'
+          }]),
+        XcodeInstall::Xcode.new('name' => '11.4',
+          'files' => [{
+            'remotePath' => '/Developer_Tools/Xcode_11.4/Xcode_11.4.xip'
+          }])
+      ]
+
+      installer.stubs(:fetch_seedlist).returns(xcodes)
+      installer.find_xcode_version("11.4").name.should.be.equal("11.4")
+    end
+  end
 end