Allow remote tries to be ran w/ no patches.

BUG=None
TEST=manual

Change-Id: Ic5ac6fc40c14bb443b43f9b1a12b7a98ef83f0a1
Reviewed-on: https://gerrit.chromium.org/gerrit/37164
Tested-by: Brian Harring <ferringb@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Ryan Cui <rcui@chromium.org>
Commit-Ready: Brian Harring <ferringb@chromium.org>
diff --git a/scripts/cbuildbot.py b/scripts/cbuildbot.py
index 855904a..312848f 100644
--- a/scripts/cbuildbot.py
+++ b/scripts/cbuildbot.py
@@ -975,7 +975,10 @@
       cros_build_lib.Die('Cannot specify both --remote and --local')
 
     if not options.buildbot and not patches:
-      cros_build_lib.Die('Must provide patches when running with --remote.')
+      if not cros_build_lib.BooleanPrompt(
+          prompt="No patches were provided; are you sure you want to just "
+          "run a remote build of ToT?", default=False):
+        cros_build_lib.Die('Must provide patches when running with --remote.')
 
     # --debug needs to be explicitly passed through for remote invocations.
     release_mode_with_patches = (options.buildbot and patches and