add/remove: catch and report errors

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

dvc/command/add.py

@@ -1,8 +1,13 @@
+from dvc.exceptions import DvcException
 from dvc.command.common.base import CmdBase
 
 
 class CmdAdd(CmdBase):
     def run(self):
         for target in self.args.targets:
-            self.project.add(target)
+            try:
+                self.project.add(target)
+            except DvcException as ex:
+                self.project.logger.error('Failed to add {}: {}'.format(target, str(ex)))
+                return 1
         return 0

dvc/command/remove.py

@@ -1,8 +1,13 @@
+from dvc.exceptions import DvcException
 from dvc.command.common.base import CmdBase
 
 
 class CmdRemove(CmdBase):
     def run(self):
         for target in self.args.targets:
-            self.project.remove(target)
+            try:
+                self.project.remove(target)
+            except DvcException as ex:
+                self.project.logger.error('Failed to remove {}: {}'.format(target, str(ex)))
+                return 1
         return 0