Improve mkdir so that permissions will be forced:

SFTP will honor umask on server side, and new directories won't get
expected permissions. We need to explicitly set permissions metadata for
new entries.

lib/producer/core/actions/mkdir.rb

@@ -9,10 +9,8 @@ module Producer
         def apply
           Pathname.new(path).descend do |p|
             next if fs.dir? p
-            case arguments.size
+            fs.mkdir p.to_s
-            when 1 then fs.mkdir p.to_s
+            fs.chmod p.to_s, mode if mode
-            when 2 then fs.mkdir p.to_s, mode
-            end
           end
         end
 

lib/producer/core/remote/fs.rb

@@ -20,6 +20,10 @@ module Producer
           false
         end
 
+        def chmod(path, mode)
+          sftp.setstat! path, permissions: mode
+        end
+
         def mkdir(path, mode = nil)
           options = mode ? { permissions: mode } : {}
           sftp.mkdir! path, options

spec/producer/core/actions/mkdir_spec.rb

@@ -19,8 +19,8 @@ module Producer::Core
         context 'when a mode was given' do
           subject(:mkdir) { Mkdir.new(env, path, 0700) }
 
-          it 'creates the directory with given mode' do
+          it 'changes the directory with given mode' do
-            expect(remote_fs).to receive(:mkdir).with(anything, 0700)
+            expect(remote_fs).to receive(:chmod).with(path, 0700)
             mkdir.apply
           end
         end