Fix Osx Target to properly use buildozer.buildops

OSX Target was incorrectly using buildozer.buildops

buildozer/targets/osx.py

@@ -30,7 +30,7 @@ def ensure_sdk(self):
         self.logger.info('kivy-sdk-packager does not exist, clone it')
         platdir = self.buildozer.platform_dir
         buildops.download(
-            'https://github.com/kivy/kivy-sdk-packager/archive/master.zip',
+            'https://github.com/kivy/kivy-sdk-packager/archive/',
             'master.zip',
             cwd=platdir)
         buildops.file_extract(
@@ -48,7 +48,7 @@ def download_kivy(self, cwd):
                 self.logger.info('Downloading kivy...')
                 try:
                     buildops.download(
-                        f'https://kivy.org/downloads/{current_kivy_vers}/Kivy.dmg',
+                        f'https://kivy.org/downloads/{current_kivy_vers}/',
                         'Kivy.dmg',
                         cwd=cwd
                     )
@@ -63,8 +63,8 @@ def download_kivy(self, cwd):
 
             self.logger.info('Extracting and installing Kivy...')
             check_call(('hdiutil', 'attach', cwd + '/Kivy.dmg'))
-            buildops.file_copy(
-                '/Volumes/Kivy/Kivy.app', './Kivy.app', cwd=cwd)
+            buildops.file_copytree(
+                '/Volumes/Kivy/Kivy.app', cwd+'/Kivy.app')
 
     def ensure_kivyapp(self):
         self.logger.info('check if Kivy.app exists in local dir')
@@ -128,11 +128,13 @@ def build_package(self):
             cwd=cwd)
         self.logger.info('{}.dmg created'.format(package_name))
         self.logger.info('moving {}.dmg to bin.'.format(package_name))
+
+        package_name = package_name + '.dmg'
         binpath = join(
             self.buildozer.user_build_dir or
-            dirname(abspath(self.buildozer.specfilename)), 'bin')
-        buildops.file_copytree(
-            join(cwd, package_name + '.dmg'),
+            dirname(abspath(self.buildozer.specfilename)), 'bin') + '/' + package_name
+        buildops.file_copy(
+            join(cwd, package_name),
             binpath)
         self.logger.info('All Done!')