Use output filename as a default stage file name but do not change dir

dvc/cli.py

@@ -118,7 +118,6 @@ def parse_args(argv=None):
                         help='Lock data item - disable reproduction.')
     run_parser.add_argument('-f',
                         '--file',
-                        default=Stage.STAGE_FILE,
                         help='Specify name of the state file')
     run_parser.add_argument('-c',
                         '--cwd',

dvc/command/run.py

@@ -1,14 +1,35 @@
+import os
+
 from dvc.command.common.base import CmdBase
+from dvc.logger import Logger
+from dvc.stage import Stage
 
 
 class CmdRun(CmdBase):
     def run(self):
+        fname = self.get_stage_file(self.args.file, self.args.outs, self.args.outs_no_cache)
+
         self.project.run(cmd=' '.join(self.args.command),
                          outs=self.args.outs,
                          outs_no_cache=self.args.outs_no_cache,
                          deps=self.args.deps,
                          deps_no_cache=self.args.deps_no_cache,
                          locked=self.args.lock,
-                         fname=self.args.file,
+                         fname=fname,
                          cwd=self.args.cwd)
         return 0
+
+    @staticmethod
+    def get_stage_file(args_file, args_out, args_outs_no_cache):
+        if args_file:
+            return args_file
+
+        if args_out or args_outs_no_cache:
+            result = args_out[0] if args_out else args_outs_no_cache[0]
+            result = os.path.basename(result)
+            result += Stage.STAGE_FILE_SUFFIX
+        else:
+            result = Stage.STAGE_FILE
+
+        Logger.info(u'Using \'{}\' as a stage file'.format(result))
+        return result