destroy: mention removing data files

Fixes #1000

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

dvc/cli.py

@@ -116,7 +116,8 @@ def parse_args(argv=None):
     init_parser.set_defaults(func=CmdInit)
 
     # Destroy
-    DESTROY_HELP = 'Destroy dvc.'
+    DESTROY_HELP = "Destroy dvc. Will remove all project's information, " \
+                   "data files and cache."
     destroy_parser = subparsers.add_parser(
                         'destroy',
                         parents=[parent_parser],

dvc/command/destroy.py

@@ -6,8 +6,8 @@ from dvc.exceptions import DvcException
 class CmdDestroy(CmdBase):
     def run_cmd(self):
         try:
-            msg = u'This will destroy all information about your pipelines ' \
-                  u'as well as cache in .dvc/cache.\n' \
+            msg = u'This will destroy all information about your pipelines, ' \
+                  u'all data files, as well as cache in .dvc/cache.\n' \
                   u'Are you sure you want to continue?'
 
             if not self.args.force and not prompt(msg, False):