Pass subprocess arguments as array to provide minio version command regression

Author: jonathanschlue-as

bin/check-minio-update.rb

@@ -73,7 +73,7 @@ def get_latest_version(checkurl, platform)
   end
 
   def get_local_version
-    stdout, stderr, status = Open3.capture3({'PATH' => '/usr/local/bin:/usr/bin:/bin'}, 'minio --version', :unsetenv_others => true)
+    stdout, stderr, status = Open3.capture3([{'PATH' => '/usr/local/bin:/usr/bin:/bin'}, 'minio --version', :unsetenv_others => true])
 
     raise IOError, "Unable to gather local minio version: #{stderr}" unless status.success?
 

spec/check-minio-update_spec.rb

@@ -9,7 +9,8 @@
   before do
     stub_checksum_request
     allow(check).to(receive(:output))
-    allow(Open3).to(receive(:capture3).and_return([stdout, stderr, double(:success? => success)]))
+    allow(Open3).to(receive(:capture3).with(array_including('minio --version'))
+                                      .and_return([stdout, stderr, double(:success? => success)]))
   end
 
   let(:checksum_request) do