Escape identify file path

templates/commands/ssh_config/config.erb

@@ -6,11 +6,7 @@ Host <%= host_key %>
   StrictHostKeyChecking no
   PasswordAuthentication no
 <% private_key_path.each do |path| %>
-<% if path.include?(" ") -%>
-  IdentityFile "<%= path %>"
-<% else -%>
-  IdentityFile <%= path %>
-<% end -%>
+  IdentityFile <%= path.inspect %>
 <% end -%>
   IdentitiesOnly yes
   LogLevel FATAL

test/unit/plugins/commands/ssh_config/command_test.rb

@@ -92,8 +92,8 @@ Host #{machine.name}
 
       subject.execute
 
-      expect(output).to include("IdentityFile foo")
-      expect(output).to include("IdentityFile bar")
+      expect(output).to include('IdentityFile "foo"')
+      expect(output).to include('IdentityFile "bar"')
     end
 
     it "puts quotes around an identityfile path if it has a space" do
@@ -107,5 +107,17 @@ Host #{machine.name}
 
       expect(output).to include('IdentityFile "with a space"')
     end
+
+    it "escapes special characters" do
+      allow(machine).to receive(:ssh_info) { ssh_info.merge(private_key_path: ['/private/tmp/test of "vagrant" plugin/']) }
+      output = ""
+      allow(subject).to receive(:safe_puts) do |data|
+        output += data if data
+      end
+
+      subject.execute
+
+      expect(output).to include('"/private/tmp/test of \"vagrant\" plugin/"')
+    end
   end
 end