output: drop update() method

Signed-off-by: Ruslan Kuprieiev <[email protected]>

dvc/output.py

@@ -90,7 +90,7 @@ class Dependency(object):
     def inode(self):
         return os.stat(self.path).st_ino
 
-    def update(self):
+    def save(self):
         if not os.path.exists(self.path):
             raise CmdOutputDoesNotExistError(self.rel_path)
 
@@ -239,17 +239,13 @@ class Output(Dependency):
             self.hardlink(cache, path)
 
     def save(self):
+        super(Output, self).save()
+
         if not self.use_cache:
             return
 
         self.project.logger.debug("Saving {} to {}".format(self.path, self.cache))
 
-        if not os.path.exists(self.path):
-            raise CmdOutputDoesNotExistError(self.rel_path)
-
-        if not os.path.isfile(self.path) and not os.path.isdir(self.path):
-            raise CmdOutputIsNotFileOrDirError(self.rel_path)
-
         if self.project.scm.is_tracked(self.path):
             raise CmdOutputAlreadyTrackedError(self.rel_path)
 

dvc/stage.py

@@ -149,10 +149,9 @@ class Stage(object):
 
     def save(self):
         for dep in self.deps:
-            dep.update()
+            dep.save()
 
         for out in self.outs:
-            out.update()
             out.save()
             if out.use_cache:
                 self.project.scm.ignore(out.path)